The XMM-Newton serendipitous survey. IV. Optical identification of the XMM-Newton medium sensitivity survey (XMS)
Identifieur interne : 009311 ( Main/Exploration ); précédent : 009310; suivant : 009312The XMM-Newton serendipitous survey. IV. Optical identification of the XMM-Newton medium sensitivity survey (XMS)
Auteurs : X. Barcons [Espagne] ; F. J. Carrera [Espagne] ; M. T. Ceballos [Espagne] ; M. J. Page [Royaume-Uni] ; J. Bussons-Gordo [Espagne] ; A. Corral [Espagne] ; J. Ebrero [Espagne] ; S. Mateos [Espagne, Royaume-Uni] ; J. A. Tedds [Royaume-Uni] ; M. G. Watson [Royaume-Uni] ; D. Baskill [Royaume-Uni] ; M. Birkinshaw [Royaume-Uni] ; T. Boller [Allemagne] ; N. Borisov [Russie] ; M. Bremer [Royaume-Uni] ; G. E. Bromage [Royaume-Uni] ; H. Brunner [Allemagne] ; A. Caccianiga [Italie] ; C. S. Crawford [Royaume-Uni] ; M. S. Cropper [Royaume-Uni] ; R. Della Ceca [Italie] ; P. Derry [Royaume-Uni] ; A. C. Fabian [Royaume-Uni] ; P. Guillout [France] ; Y. Hashimoto [Allemagne] ; G. Hasinger [Allemagne] ; B. J. M. Hassall [Royaume-Uni] ; G. Lamer [Allemagne] ; N. S. Loaring [Royaume-Uni, Afrique du Sud] ; T. Maccacaro [Italie] ; K. O. Mason [Royaume-Uni] ; R. G. Mcmahon [Royaume-Uni] ; L. Mirioni [France] ; J. P. D. Mittaz [Royaume-Uni] ; C. Motch [France] ; I. Negueruela [France, Espagne] ; J. P. Osborne [Royaume-Uni] ; F. Panessa [Espagne] ; I. Perez-Foumon [Espagne] ; J. P. Pye [Royaume-Uni] ; T. P. Roberts [Royaume-Uni] ; S. Rosen [Royaume-Uni] ; N. Schartel [Espagne] ; N. Schurch [Royaume-Uni] ; A. Schwope [Allemagne] ; P. Severgnin [Espagne] ; R. Sharp [Royaume-Uni, Australie] ; G. C. Stewart [Royaume-Uni] ; G. Szokoly [Allemagne] ; A. Ullan [Espagne] ; M. J. Ward [Royaume-Uni] ; R. S. Warwick [Royaume-Uni] ; P. J. Wheatley [Royaume-Uni] ; N. A. Webb [France] ; D. Worrall [Royaume-Uni] ; W. Yuan [Royaume-Uni, République populaire de Chine] ; H. Ziaeepour [Royaume-Uni]Source :
- Astronomy and astrophysics : (Berlin. Print) [ 0004-6361 ] ; 2007.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Aims. X-ray sources at intermediate fluxes (a few ×10-14 erg cm-2 s-1) with a sky density of ∼100 deg-2 2 are responsible for a significant fraction of the cosmic X-ray background at various energies below 10 keV. The aim of this paper is to provide an unbiased and quantitative description of the X-ray source population at these fluxes and in various X-ray energy bands. Methods. We present the XMM-Newton Medium sensitivity Survey (XMS), including a total of 318 X-ray sources found among the serendipitous content of 25 XMM-Newton target fields. The XMS comprises four largely overlapping source samples selected at soft (0.5-2 keV), intermediate (0.5-4.5 keV), hard (2-10 keV) and ultra-hard (4.5-7.5 keV) bands, the first three of them being flux-limited. Results. We report on the optical identification of the XMS samples, complete to 85-95%. At the flux levels sampled by the XMS we find that the X-ray sky is largely dominated by Active Galactic Nuclei. The fraction of stars in soft X-ray selected samples is below 10%, and only a few per cent for hard selected samples. We find that the fraction of optically obscured objects in the AGN population stays constant at around 15-20% for soft and intermediate band selected X-ray sources, over 2 decades of flux. The fraction of obscured objects amongst the AGN population is larger (∼35-45%) in the hard or ultra-hard selected samples, and constant across a similarly wide flux range. The distribution in X-ray-to-optical flux ratio is a strong function of the selection band, with a larger fraction of sources with high values in hard selected samples. Sources with X-ray-to-optical flux ratios in excess of 10 are dominated by obscured AGN, but with a significant contribution from unobscured AGN.
Affiliations:
- Afrique du Sud, Allemagne, Australie, Espagne, France, Italie, Royaume-Uni, Russie, République populaire de Chine
- Alsace (région administrative), Angleterre, Brandebourg, Canaries, Cantabrie, Communauté de Madrid, Communauté valencienne, Grand Est, Grand Londres, Midi-Pyrénées, Occitanie (région administrative)
- Alicante, Londres, Potsdam, Strasbourg, Toulouse
- University College de Londres, Université d'Alicante
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Wills Physics Laboratory, University of Bristol, Tyndall Avenue</s1><s2>Bristol BS8 1TL</s2><s3>GBR</s3><sZ>12 aut.</sZ><sZ>15 aut.</sZ><sZ>55 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Bristol BS8 1TL</wicri:noRegion></affiliation></author><author><name sortKey="Boller, T" sort="Boller, T" uniqKey="Boller T" first="T." last="Boller">T. Boller</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Max-Planck-Institut für Extraterrestrische Physik, Giessen-bachstrasse</s1><s2>85740 Garching</s2><s3>DEU</s3><sZ>13 aut.</sZ><sZ>17 aut.</sZ><sZ>25 aut.</sZ><sZ>26 aut.</sZ><sZ>49 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85740 Garching</wicri:noRegion><wicri:noRegion>Giessen-bachstrasse</wicri:noRegion><wicri:noRegion>85740 Garching</wicri:noRegion></affiliation></author><author><name sortKey="Borisov, N" sort="Borisov, N" uniqKey="Borisov N" first="N." last="Borisov">N. 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Bromage</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Centre for Astrophysics, University of Central Lancashire</s1><s2>Preston PRI 2HE</s2><s3>GBR</s3><sZ>16 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Preston PRI 2HE</wicri:noRegion></affiliation></author><author><name sortKey="Brunner, H" sort="Brunner, H" uniqKey="Brunner H" first="H." last="Brunner">H. Brunner</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Max-Planck-Institut für Extraterrestrische Physik, Giessen-bachstrasse</s1><s2>85740 Garching</s2><s3>DEU</s3><sZ>13 aut.</sZ><sZ>17 aut.</sZ><sZ>25 aut.</sZ><sZ>26 aut.</sZ><sZ>49 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85740 Garching</wicri:noRegion><wicri:noRegion>Giessen-bachstrasse</wicri:noRegion><wicri:noRegion>85740 Garching</wicri:noRegion></affiliation></author><author><name sortKey="Caccianiga, A" sort="Caccianiga, A" uniqKey="Caccianiga A" first="A." last="Caccianiga">A. Caccianiga</name><affiliation wicri:level="1"><inist:fA14 i1="08"><s1>INAF -Osservatorio Astronomico di Brera, via Brera 28</s1><s2>20121 Milano</s2><s3>ITA</s3><sZ>18 aut.</sZ><sZ>21 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Italie</country><wicri:noRegion>20121 Milano</wicri:noRegion></affiliation></author><author><name sortKey="Crawford, C S" sort="Crawford, C S" uniqKey="Crawford C" first="C. S." last="Crawford">C. S. Crawford</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Institute of Astronomy, Madingley Road</s1><s2>Cambridge CB3 0HA</s2><s3>GBR</s3><sZ>19 aut.</sZ><sZ>23 aut.</sZ><sZ>32 aut.</sZ><sZ>47 aut.</sZ><sZ>56 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation></author><author><name sortKey="Cropper, M S" sort="Cropper, M S" uniqKey="Cropper M" first="M. S." last="Cropper">M. S. Cropper</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author><author><name sortKey="Ceca, R Della" sort="Ceca, R Della" uniqKey="Ceca R" first="R. Della" last="Ceca">R. Della Ceca</name><affiliation wicri:level="1"><inist:fA14 i1="08"><s1>INAF -Osservatorio Astronomico di Brera, via Brera 28</s1><s2>20121 Milano</s2><s3>ITA</s3><sZ>18 aut.</sZ><sZ>21 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Italie</country><wicri:noRegion>20121 Milano</wicri:noRegion></affiliation></author><author><name sortKey="Derry, P" sort="Derry, P" uniqKey="Derry P" first="P." last="Derry">P. Derry</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Fabian, A C" sort="Fabian, A C" uniqKey="Fabian A" first="A. C." last="Fabian">A. C. Fabian</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Institute of Astronomy, Madingley Road</s1><s2>Cambridge CB3 0HA</s2><s3>GBR</s3><sZ>19 aut.</sZ><sZ>23 aut.</sZ><sZ>32 aut.</sZ><sZ>47 aut.</sZ><sZ>56 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation></author><author><name sortKey="Guillout, P" sort="Guillout, P" uniqKey="Guillout P" first="P." last="Guillout">P. Guillout</name><affiliation wicri:level="3"><inist:fA14 i1="10"><s1>Observatoire Astronomique de Strasbourg, 11 rue de l'Université</s1><s2>67000 Strasbourg</s2><s3>FRA</s3><sZ>24 aut.</sZ><sZ>33 aut.</sZ><sZ>35 aut.</sZ><sZ>36 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region><settlement type="city">Strasbourg</settlement></placeName></affiliation></author><author><name sortKey="Hashimoto, Y" sort="Hashimoto, Y" uniqKey="Hashimoto Y" first="Y." last="Hashimoto">Y. Hashimoto</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Max-Planck-Institut für Extraterrestrische Physik, Giessen-bachstrasse</s1><s2>85740 Garching</s2><s3>DEU</s3><sZ>13 aut.</sZ><sZ>17 aut.</sZ><sZ>25 aut.</sZ><sZ>26 aut.</sZ><sZ>49 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85740 Garching</wicri:noRegion><wicri:noRegion>Giessen-bachstrasse</wicri:noRegion><wicri:noRegion>85740 Garching</wicri:noRegion></affiliation></author><author><name sortKey="Hasinger, G" sort="Hasinger, G" uniqKey="Hasinger G" first="G." last="Hasinger">G. Hasinger</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Max-Planck-Institut für Extraterrestrische Physik, Giessen-bachstrasse</s1><s2>85740 Garching</s2><s3>DEU</s3><sZ>13 aut.</sZ><sZ>17 aut.</sZ><sZ>25 aut.</sZ><sZ>26 aut.</sZ><sZ>49 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85740 Garching</wicri:noRegion><wicri:noRegion>Giessen-bachstrasse</wicri:noRegion><wicri:noRegion>85740 Garching</wicri:noRegion></affiliation></author><author><name sortKey="Hassall, B J M" sort="Hassall, B J M" uniqKey="Hassall B" first="B. J. M." last="Hassall">B. J. M. Hassall</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Centre for Astrophysics, University of Central Lancashire</s1><s2>Preston PRI 2HE</s2><s3>GBR</s3><sZ>16 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Preston PRI 2HE</wicri:noRegion></affiliation></author><author><name sortKey="Lamer, G" sort="Lamer, G" uniqKey="Lamer G" first="G." last="Lamer">G. Lamer</name><affiliation wicri:level="3"><inist:fA14 i1="11"><s1>Astrophysikalisches Institut Potsdam, An der Sternwarte 16</s1><s2>144482, Potsdam</s2><s3>DEU</s3><sZ>28 aut.</sZ><sZ>45 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Brandebourg</region><settlement type="city">Potsdam</settlement></placeName></affiliation></author><author><name sortKey="Loaring, N S" sort="Loaring, N S" uniqKey="Loaring N" first="N. S." last="Loaring">N. S. Loaring</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="12"><s1>South African Large Telescope, PO Box 9</s1><s2>Observatory, 7935</s2><s3>ZAF</s3><sZ>29 aut.</sZ></inist:fA14><country>Afrique du Sud</country><wicri:noRegion>Observatory, 7935</wicri:noRegion></affiliation></author><author><name sortKey="Maccacaro, T" sort="Maccacaro, T" uniqKey="Maccacaro T" first="T." last="Maccacaro">T. Maccacaro</name><affiliation wicri:level="1"><inist:fA14 i1="08"><s1>INAF -Osservatorio Astronomico di Brera, via Brera 28</s1><s2>20121 Milano</s2><s3>ITA</s3><sZ>18 aut.</sZ><sZ>21 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Italie</country><wicri:noRegion>20121 Milano</wicri:noRegion></affiliation></author><author><name sortKey="Mason, K O" sort="Mason, K O" uniqKey="Mason K" first="K. O." last="Mason">K. O. Mason</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author><author><name sortKey="Mcmahon, R G" sort="Mcmahon, R G" uniqKey="Mcmahon R" first="R. G." last="Mcmahon">R. G. Mcmahon</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Institute of Astronomy, Madingley Road</s1><s2>Cambridge CB3 0HA</s2><s3>GBR</s3><sZ>19 aut.</sZ><sZ>23 aut.</sZ><sZ>32 aut.</sZ><sZ>47 aut.</sZ><sZ>56 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation></author><author><name sortKey="Mirioni, L" sort="Mirioni, L" uniqKey="Mirioni L" first="L." last="Mirioni">L. Mirioni</name><affiliation wicri:level="3"><inist:fA14 i1="10"><s1>Observatoire Astronomique de Strasbourg, 11 rue de l'Université</s1><s2>67000 Strasbourg</s2><s3>FRA</s3><sZ>24 aut.</sZ><sZ>33 aut.</sZ><sZ>35 aut.</sZ><sZ>36 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region><settlement type="city">Strasbourg</settlement></placeName></affiliation></author><author><name sortKey="Mittaz, J P D" sort="Mittaz, J P D" uniqKey="Mittaz J" first="J. P. D." last="Mittaz">J. P. D. Mittaz</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author><author><name sortKey="Motch, C" sort="Motch, C" uniqKey="Motch C" first="C." last="Motch">C. Motch</name><affiliation wicri:level="3"><inist:fA14 i1="10"><s1>Observatoire Astronomique de Strasbourg, 11 rue de l'Université</s1><s2>67000 Strasbourg</s2><s3>FRA</s3><sZ>24 aut.</sZ><sZ>33 aut.</sZ><sZ>35 aut.</sZ><sZ>36 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region><settlement type="city">Strasbourg</settlement></placeName></affiliation></author><author><name sortKey="Negueruela, I" sort="Negueruela, I" uniqKey="Negueruela I" first="I." last="Negueruela">I. Negueruela</name><affiliation wicri:level="3"><inist:fA14 i1="10"><s1>Observatoire Astronomique de Strasbourg, 11 rue de l'Université</s1><s2>67000 Strasbourg</s2><s3>FRA</s3><sZ>24 aut.</sZ><sZ>33 aut.</sZ><sZ>35 aut.</sZ><sZ>36 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region><settlement type="city">Strasbourg</settlement></placeName></affiliation><affiliation wicri:level="4"><inist:fA14 i1="13"><s1>Departamento de Física, Ingeniería de Sistemas y Teoría de la Serial, Universidad de Alicante</s1><s2>03080 Alicante</s2><s3>ESP</s3><sZ>36 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté valencienne</region><settlement type="city">Alicante</settlement></placeName><orgName type="university">Université d'Alicante</orgName></affiliation></author><author><name sortKey="Osborne, J P" sort="Osborne, J P" uniqKey="Osborne J" first="J. P." last="Osborne">J. P. Osborne</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Panessa, F" sort="Panessa, F" uniqKey="Panessa F" first="F." last="Panessa">F. Panessa</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Instituto de Física de Cantabria (CSIC-UC)</s1><s2>39005 Santander</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>38 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Cantabrie</region></placeName></affiliation></author><author><name sortKey="Perez Foumon, I" sort="Perez Foumon, I" uniqKey="Perez Foumon I" first="I." last="Perez-Foumon">I. Perez-Foumon</name><affiliation wicri:level="2"><inist:fA14 i1="14"><s1>Instituto de Astrofísica de Canarias</s1><s2>38200 La Laguna</s2><s3>ESP</s3><sZ>39 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Canaries</region></placeName></affiliation></author><author><name sortKey="Pye, J P" sort="Pye, J P" uniqKey="Pye J" first="J. P." last="Pye">J. P. Pye</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Roberts, T P" sort="Roberts, T P" uniqKey="Roberts T" first="T. P." last="Roberts">T. P. Roberts</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Department of Physics, University of Durham, South Road</s1><s2>Durham DH1 3LE</s2><s3>GBR</s3><sZ>41 aut.</sZ><sZ>44 aut.</sZ><sZ>51 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Durham DH1 3LE</wicri:noRegion></affiliation></author><author><name sortKey="Rosen, S" sort="Rosen, S" uniqKey="Rosen S" first="S." last="Rosen">S. Rosen</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Schartel, N" sort="Schartel, N" uniqKey="Schartel N" first="N." last="Schartel">N. Schartel</name><affiliation wicri:level="2"><inist:fA14 i1="16"><s1>European Space Astronomy Centre</s1><s2>Apartado 50727, 28080 Madrid</s2><s3>ESP</s3><sZ>43 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Schurch, N" sort="Schurch, N" uniqKey="Schurch N" first="N." last="Schurch">N. Schurch</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Department of Physics, University of Durham, South Road</s1><s2>Durham DH1 3LE</s2><s3>GBR</s3><sZ>41 aut.</sZ><sZ>44 aut.</sZ><sZ>51 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Durham DH1 3LE</wicri:noRegion></affiliation></author><author><name sortKey="Schwope, A" sort="Schwope, A" uniqKey="Schwope A" first="A." last="Schwope">A. Schwope</name><affiliation wicri:level="3"><inist:fA14 i1="11"><s1>Astrophysikalisches Institut Potsdam, An der Sternwarte 16</s1><s2>144482, Potsdam</s2><s3>DEU</s3><sZ>28 aut.</sZ><sZ>45 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Brandebourg</region><settlement type="city">Potsdam</settlement></placeName></affiliation></author><author><name sortKey="Severgnin, P" sort="Severgnin, P" uniqKey="Severgnin P" first="P." last="Severgnin">P. Severgnin</name><affiliation wicri:level="2"><inist:fA14 i1="17"><s1>Centro de Astrobiología (CSIC-INTA), PO Box 50727</s1><s2>28080 Madrid</s2><s3>ESP</s3><sZ>46 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Sharp, R" sort="Sharp, R" uniqKey="Sharp R" first="R." last="Sharp">R. Sharp</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Institute of Astronomy, Madingley Road</s1><s2>Cambridge CB3 0HA</s2><s3>GBR</s3><sZ>19 aut.</sZ><sZ>23 aut.</sZ><sZ>32 aut.</sZ><sZ>47 aut.</sZ><sZ>56 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="18"><s1>Anglo-Australian Observatory, PO Box 296</s1><s2>Epping, NSW 1710</s2><s3>AUS</s3><sZ>47 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Epping, NSW 1710</wicri:noRegion></affiliation></author><author><name sortKey="Stewart, G C" sort="Stewart, G C" uniqKey="Stewart G" first="G. C." last="Stewart">G. C. Stewart</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Szokoly, G" sort="Szokoly, G" uniqKey="Szokoly G" first="G." last="Szokoly">G. Szokoly</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Max-Planck-Institut für Extraterrestrische Physik, Giessen-bachstrasse</s1><s2>85740 Garching</s2><s3>DEU</s3><sZ>13 aut.</sZ><sZ>17 aut.</sZ><sZ>25 aut.</sZ><sZ>26 aut.</sZ><sZ>49 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85740 Garching</wicri:noRegion><wicri:noRegion>Giessen-bachstrasse</wicri:noRegion><wicri:noRegion>85740 Garching</wicri:noRegion></affiliation></author><author><name sortKey="Ullan, A" sort="Ullan, A" uniqKey="Ullan A" first="A." last="Ullan">A. Ullan</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Instituto de Física de Cantabria (CSIC-UC)</s1><s2>39005 Santander</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>38 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Cantabrie</region></placeName></affiliation><affiliation wicri:level="2"><inist:fA14 i1="17"><s1>Centro de Astrobiología (CSIC-INTA), PO Box 50727</s1><s2>28080 Madrid</s2><s3>ESP</s3><sZ>46 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Ward, M J" sort="Ward, M J" uniqKey="Ward M" first="M. J." last="Ward">M. J. Ward</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Department of Physics, University of Durham, South Road</s1><s2>Durham DH1 3LE</s2><s3>GBR</s3><sZ>41 aut.</sZ><sZ>44 aut.</sZ><sZ>51 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Durham DH1 3LE</wicri:noRegion></affiliation></author><author><name sortKey="Warwick, R S" sort="Warwick, R S" uniqKey="Warwick R" first="R. S." last="Warwick">R. S. Warwick</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Wheatley, P J" sort="Wheatley, P J" uniqKey="Wheatley P" first="P. J." last="Wheatley">P. J. Wheatley</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="19"><s1>Department of Physics, University of Warwick</s1><s2>Coventry CV4 7AL</s2><s3>GBR</s3><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Coventry CV4 7AL</wicri:noRegion></affiliation></author><author><name sortKey="Webb, N A" sort="Webb, N A" uniqKey="Webb N" first="N. A." last="Webb">N. A. Webb</name><affiliation wicri:level="3"><inist:fA14 i1="20"><s1>Centre d'Étude Spatiale des Rayonnements, CNRS/UPS, 9 avenue du Colonel Roche</s1><s2>31028 Toulouse</s2><s3>FRA</s3><sZ>54 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Midi-Pyrénées</region><settlement type="city">Toulouse</settlement></placeName></affiliation></author><author><name sortKey="Worrall, D" sort="Worrall, D" uniqKey="Worrall D" first="D." last="Worrall">D. Worrall</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>H.H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue</s1><s2>Bristol BS8 1TL</s2><s3>GBR</s3><sZ>12 aut.</sZ><sZ>15 aut.</sZ><sZ>55 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Bristol BS8 1TL</wicri:noRegion></affiliation></author><author><name sortKey="Yuan, W" sort="Yuan, W" uniqKey="Yuan W" first="W." last="Yuan">W. Yuan</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Institute of Astronomy, Madingley Road</s1><s2>Cambridge CB3 0HA</s2><s3>GBR</s3><sZ>19 aut.</sZ><sZ>23 aut.</sZ><sZ>32 aut.</sZ><sZ>47 aut.</sZ><sZ>56 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="21"><s1>National Astronomical Observatories of China/Yunnan Observatory, Phoenix Hill, PO Box 110</s1><s2>Kunming, Yunnan</s2><s3>CHN</s3><sZ>56 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Kunming, Yunnan</wicri:noRegion></affiliation></author><author><name sortKey="Ziaeepour, H" sort="Ziaeepour, H" uniqKey="Ziaeepour H" first="H." last="Ziaeepour">H. Ziaeepour</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">08-0035961</idno><date when="2007">2007</date><idno type="stanalyst">PASCAL 08-0035961 INIST</idno><idno type="RBID">Pascal:08-0035961</idno><idno type="wicri:Area/PascalFrancis/Corpus">003803</idno><idno type="wicri:Area/PascalFrancis/Curation">002836</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">003584</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">003584</idno><idno type="wicri:doubleKey">0004-6361:2007:Barcons X:the:xmm:newton</idno><idno type="wicri:Area/Main/Merge">009C96</idno><idno type="wicri:Area/Main/Curation">009311</idno><idno type="wicri:Area/Main/Exploration">009311</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">The XMM-Newton serendipitous survey. IV. Optical identification of the XMM-Newton medium sensitivity survey (XMS)</title><author><name sortKey="Barcons, X" sort="Barcons, X" uniqKey="Barcons X" first="X." last="Barcons">X. Barcons</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Instituto de Física de Cantabria (CSIC-UC)</s1><s2>39005 Santander</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>38 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Cantabrie</region></placeName></affiliation></author><author><name sortKey="Carrera, F J" sort="Carrera, F J" uniqKey="Carrera F" first="F. J." last="Carrera">F. J. Carrera</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Instituto de Física de Cantabria (CSIC-UC)</s1><s2>39005 Santander</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>38 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Cantabrie</region></placeName></affiliation></author><author><name sortKey="Ceballos, M T" sort="Ceballos, M T" uniqKey="Ceballos M" first="M. T." last="Ceballos">M. T. Ceballos</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Instituto de Física de Cantabria (CSIC-UC)</s1><s2>39005 Santander</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>38 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Cantabrie</region></placeName></affiliation></author><author><name sortKey="Page, M J" sort="Page, M J" uniqKey="Page M" first="M. J." last="Page">M. J. Page</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author><author><name sortKey="Bussons Gordo, J" sort="Bussons Gordo, J" uniqKey="Bussons Gordo J" first="J." last="Bussons-Gordo">J. Bussons-Gordo</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Instituto de Física de Cantabria (CSIC-UC)</s1><s2>39005 Santander</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>38 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Cantabrie</region></placeName></affiliation></author><author><name sortKey="Corral, A" sort="Corral, A" uniqKey="Corral A" first="A." last="Corral">A. Corral</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Instituto de Física de Cantabria (CSIC-UC)</s1><s2>39005 Santander</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>38 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Cantabrie</region></placeName></affiliation></author><author><name sortKey="Ebrero, J" sort="Ebrero, J" uniqKey="Ebrero J" first="J." last="Ebrero">J. Ebrero</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Instituto de Física de Cantabria (CSIC-UC)</s1><s2>39005 Santander</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>38 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Cantabrie</region></placeName></affiliation></author><author><name sortKey="Mateos, S" sort="Mateos, S" uniqKey="Mateos S" first="S." last="Mateos">S. Mateos</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Instituto de Física de Cantabria (CSIC-UC)</s1><s2>39005 Santander</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>38 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Cantabrie</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Tedds, J A" sort="Tedds, J A" uniqKey="Tedds J" first="J. A." last="Tedds">J. A. Tedds</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Watson, M G" sort="Watson, M G" uniqKey="Watson M" first="M. G." last="Watson">M. G. Watson</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Baskill, D" sort="Baskill, D" uniqKey="Baskill D" first="D." last="Baskill">D. Baskill</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Birkinshaw, M" sort="Birkinshaw, M" uniqKey="Birkinshaw M" first="M." last="Birkinshaw">M. Birkinshaw</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>H.H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue</s1><s2>Bristol BS8 1TL</s2><s3>GBR</s3><sZ>12 aut.</sZ><sZ>15 aut.</sZ><sZ>55 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Bristol BS8 1TL</wicri:noRegion></affiliation></author><author><name sortKey="Boller, T" sort="Boller, T" uniqKey="Boller T" first="T." last="Boller">T. Boller</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Max-Planck-Institut für Extraterrestrische Physik, Giessen-bachstrasse</s1><s2>85740 Garching</s2><s3>DEU</s3><sZ>13 aut.</sZ><sZ>17 aut.</sZ><sZ>25 aut.</sZ><sZ>26 aut.</sZ><sZ>49 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85740 Garching</wicri:noRegion><wicri:noRegion>Giessen-bachstrasse</wicri:noRegion><wicri:noRegion>85740 Garching</wicri:noRegion></affiliation></author><author><name sortKey="Borisov, N" sort="Borisov, N" uniqKey="Borisov N" first="N." last="Borisov">N. Borisov</name><affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Special Astrophysical Observatory</s1><s2>369167 Nizhnij Arkhyz</s2><s3>RUS</s3><sZ>14 aut.</sZ></inist:fA14><country>Russie</country><wicri:noRegion>Special Astrophysical Observatory</wicri:noRegion></affiliation></author><author><name sortKey="Bremer, M" sort="Bremer, M" uniqKey="Bremer M" first="M." last="Bremer">M. Bremer</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>H.H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue</s1><s2>Bristol BS8 1TL</s2><s3>GBR</s3><sZ>12 aut.</sZ><sZ>15 aut.</sZ><sZ>55 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Bristol BS8 1TL</wicri:noRegion></affiliation></author><author><name sortKey="Bromage, G E" sort="Bromage, G E" uniqKey="Bromage G" first="G. E." last="Bromage">G. E. Bromage</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Centre for Astrophysics, University of Central Lancashire</s1><s2>Preston PRI 2HE</s2><s3>GBR</s3><sZ>16 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Preston PRI 2HE</wicri:noRegion></affiliation></author><author><name sortKey="Brunner, H" sort="Brunner, H" uniqKey="Brunner H" first="H." last="Brunner">H. Brunner</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Max-Planck-Institut für Extraterrestrische Physik, Giessen-bachstrasse</s1><s2>85740 Garching</s2><s3>DEU</s3><sZ>13 aut.</sZ><sZ>17 aut.</sZ><sZ>25 aut.</sZ><sZ>26 aut.</sZ><sZ>49 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85740 Garching</wicri:noRegion><wicri:noRegion>Giessen-bachstrasse</wicri:noRegion><wicri:noRegion>85740 Garching</wicri:noRegion></affiliation></author><author><name sortKey="Caccianiga, A" sort="Caccianiga, A" uniqKey="Caccianiga A" first="A." last="Caccianiga">A. Caccianiga</name><affiliation wicri:level="1"><inist:fA14 i1="08"><s1>INAF -Osservatorio Astronomico di Brera, via Brera 28</s1><s2>20121 Milano</s2><s3>ITA</s3><sZ>18 aut.</sZ><sZ>21 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Italie</country><wicri:noRegion>20121 Milano</wicri:noRegion></affiliation></author><author><name sortKey="Crawford, C S" sort="Crawford, C S" uniqKey="Crawford C" first="C. S." last="Crawford">C. S. Crawford</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Institute of Astronomy, Madingley Road</s1><s2>Cambridge CB3 0HA</s2><s3>GBR</s3><sZ>19 aut.</sZ><sZ>23 aut.</sZ><sZ>32 aut.</sZ><sZ>47 aut.</sZ><sZ>56 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation></author><author><name sortKey="Cropper, M S" sort="Cropper, M S" uniqKey="Cropper M" first="M. S." last="Cropper">M. S. Cropper</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author><author><name sortKey="Ceca, R Della" sort="Ceca, R Della" uniqKey="Ceca R" first="R. Della" last="Ceca">R. Della Ceca</name><affiliation wicri:level="1"><inist:fA14 i1="08"><s1>INAF -Osservatorio Astronomico di Brera, via Brera 28</s1><s2>20121 Milano</s2><s3>ITA</s3><sZ>18 aut.</sZ><sZ>21 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Italie</country><wicri:noRegion>20121 Milano</wicri:noRegion></affiliation></author><author><name sortKey="Derry, P" sort="Derry, P" uniqKey="Derry P" first="P." last="Derry">P. Derry</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Fabian, A C" sort="Fabian, A C" uniqKey="Fabian A" first="A. C." last="Fabian">A. C. Fabian</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Institute of Astronomy, Madingley Road</s1><s2>Cambridge CB3 0HA</s2><s3>GBR</s3><sZ>19 aut.</sZ><sZ>23 aut.</sZ><sZ>32 aut.</sZ><sZ>47 aut.</sZ><sZ>56 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation></author><author><name sortKey="Guillout, P" sort="Guillout, P" uniqKey="Guillout P" first="P." last="Guillout">P. Guillout</name><affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Observatoire Astronomique de Strasbourg, 11 rue de l'Université</s1><s2>67000 Strasbourg</s2><s3>FRA</s3><sZ>24 aut.</sZ><sZ>33 aut.</sZ><sZ>35 aut.</sZ><sZ>36 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>67000 Strasbourg</wicri:noRegion><placeName><settlement type="city">Strasbourg</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region></placeName></affiliation></author><author><name sortKey="Hashimoto, Y" sort="Hashimoto, Y" uniqKey="Hashimoto Y" first="Y." last="Hashimoto">Y. Hashimoto</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Max-Planck-Institut für Extraterrestrische Physik, Giessen-bachstrasse</s1><s2>85740 Garching</s2><s3>DEU</s3><sZ>13 aut.</sZ><sZ>17 aut.</sZ><sZ>25 aut.</sZ><sZ>26 aut.</sZ><sZ>49 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85740 Garching</wicri:noRegion><wicri:noRegion>Giessen-bachstrasse</wicri:noRegion><wicri:noRegion>85740 Garching</wicri:noRegion></affiliation></author><author><name sortKey="Hasinger, G" sort="Hasinger, G" uniqKey="Hasinger G" first="G." last="Hasinger">G. Hasinger</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Max-Planck-Institut für Extraterrestrische Physik, Giessen-bachstrasse</s1><s2>85740 Garching</s2><s3>DEU</s3><sZ>13 aut.</sZ><sZ>17 aut.</sZ><sZ>25 aut.</sZ><sZ>26 aut.</sZ><sZ>49 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85740 Garching</wicri:noRegion><wicri:noRegion>Giessen-bachstrasse</wicri:noRegion><wicri:noRegion>85740 Garching</wicri:noRegion></affiliation></author><author><name sortKey="Hassall, B J M" sort="Hassall, B J M" uniqKey="Hassall B" first="B. J. M." last="Hassall">B. J. M. Hassall</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Centre for Astrophysics, University of Central Lancashire</s1><s2>Preston PRI 2HE</s2><s3>GBR</s3><sZ>16 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Preston PRI 2HE</wicri:noRegion></affiliation></author><author><name sortKey="Lamer, G" sort="Lamer, G" uniqKey="Lamer G" first="G." last="Lamer">G. Lamer</name><affiliation wicri:level="3"><inist:fA14 i1="11"><s1>Astrophysikalisches Institut Potsdam, An der Sternwarte 16</s1><s2>144482, Potsdam</s2><s3>DEU</s3><sZ>28 aut.</sZ><sZ>45 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Brandebourg</region><settlement type="city">Potsdam</settlement></placeName></affiliation></author><author><name sortKey="Loaring, N S" sort="Loaring, N S" uniqKey="Loaring N" first="N. S." last="Loaring">N. S. Loaring</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="12"><s1>South African Large Telescope, PO Box 9</s1><s2>Observatory, 7935</s2><s3>ZAF</s3><sZ>29 aut.</sZ></inist:fA14><country>Afrique du Sud</country><wicri:noRegion>Observatory, 7935</wicri:noRegion></affiliation></author><author><name sortKey="Maccacaro, T" sort="Maccacaro, T" uniqKey="Maccacaro T" first="T." last="Maccacaro">T. Maccacaro</name><affiliation wicri:level="1"><inist:fA14 i1="08"><s1>INAF -Osservatorio Astronomico di Brera, via Brera 28</s1><s2>20121 Milano</s2><s3>ITA</s3><sZ>18 aut.</sZ><sZ>21 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Italie</country><wicri:noRegion>20121 Milano</wicri:noRegion></affiliation></author><author><name sortKey="Mason, K O" sort="Mason, K O" uniqKey="Mason K" first="K. O." last="Mason">K. O. Mason</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author><author><name sortKey="Mcmahon, R G" sort="Mcmahon, R G" uniqKey="Mcmahon R" first="R. G." last="Mcmahon">R. G. Mcmahon</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Institute of Astronomy, Madingley Road</s1><s2>Cambridge CB3 0HA</s2><s3>GBR</s3><sZ>19 aut.</sZ><sZ>23 aut.</sZ><sZ>32 aut.</sZ><sZ>47 aut.</sZ><sZ>56 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation></author><author><name sortKey="Mirioni, L" sort="Mirioni, L" uniqKey="Mirioni L" first="L." last="Mirioni">L. Mirioni</name><affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Observatoire Astronomique de Strasbourg, 11 rue de l'Université</s1><s2>67000 Strasbourg</s2><s3>FRA</s3><sZ>24 aut.</sZ><sZ>33 aut.</sZ><sZ>35 aut.</sZ><sZ>36 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>67000 Strasbourg</wicri:noRegion><placeName><settlement type="city">Strasbourg</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region></placeName></affiliation></author><author><name sortKey="Mittaz, J P D" sort="Mittaz, J P D" uniqKey="Mittaz J" first="J. P. D." last="Mittaz">J. P. D. Mittaz</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author><author><name sortKey="Motch, C" sort="Motch, C" uniqKey="Motch C" first="C." last="Motch">C. Motch</name><affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Observatoire Astronomique de Strasbourg, 11 rue de l'Université</s1><s2>67000 Strasbourg</s2><s3>FRA</s3><sZ>24 aut.</sZ><sZ>33 aut.</sZ><sZ>35 aut.</sZ><sZ>36 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>67000 Strasbourg</wicri:noRegion><placeName><settlement type="city">Strasbourg</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region></placeName></affiliation></author><author><name sortKey="Negueruela, I" sort="Negueruela, I" uniqKey="Negueruela I" first="I." last="Negueruela">I. Negueruela</name><affiliation wicri:level="3"><inist:fA14 i1="10"><s1>Observatoire Astronomique de Strasbourg, 11 rue de l'Université</s1><s2>67000 Strasbourg</s2><s3>FRA</s3><sZ>24 aut.</sZ><sZ>33 aut.</sZ><sZ>35 aut.</sZ><sZ>36 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region><settlement type="city">Strasbourg</settlement></placeName></affiliation><affiliation wicri:level="4"><inist:fA14 i1="13"><s1>Departamento de Física, Ingeniería de Sistemas y Teoría de la Serial, Universidad de Alicante</s1><s2>03080 Alicante</s2><s3>ESP</s3><sZ>36 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté valencienne</region><settlement type="city">Alicante</settlement></placeName><orgName type="university">Université d'Alicante</orgName></affiliation></author><author><name sortKey="Osborne, J P" sort="Osborne, J P" uniqKey="Osborne J" first="J. P." last="Osborne">J. P. Osborne</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Panessa, F" sort="Panessa, F" uniqKey="Panessa F" first="F." last="Panessa">F. Panessa</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Instituto de Física de Cantabria (CSIC-UC)</s1><s2>39005 Santander</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>38 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Cantabrie</region></placeName></affiliation></author><author><name sortKey="Perez Foumon, I" sort="Perez Foumon, I" uniqKey="Perez Foumon I" first="I." last="Perez-Foumon">I. Perez-Foumon</name><affiliation wicri:level="2"><inist:fA14 i1="14"><s1>Instituto de Astrofísica de Canarias</s1><s2>38200 La Laguna</s2><s3>ESP</s3><sZ>39 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Canaries</region></placeName></affiliation></author><author><name sortKey="Pye, J P" sort="Pye, J P" uniqKey="Pye J" first="J. P." last="Pye">J. P. Pye</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Roberts, T P" sort="Roberts, T P" uniqKey="Roberts T" first="T. P." last="Roberts">T. P. Roberts</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Department of Physics, University of Durham, South Road</s1><s2>Durham DH1 3LE</s2><s3>GBR</s3><sZ>41 aut.</sZ><sZ>44 aut.</sZ><sZ>51 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Durham DH1 3LE</wicri:noRegion></affiliation></author><author><name sortKey="Rosen, S" sort="Rosen, S" uniqKey="Rosen S" first="S." last="Rosen">S. Rosen</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Schartel, N" sort="Schartel, N" uniqKey="Schartel N" first="N." last="Schartel">N. Schartel</name><affiliation wicri:level="2"><inist:fA14 i1="16"><s1>European Space Astronomy Centre</s1><s2>Apartado 50727, 28080 Madrid</s2><s3>ESP</s3><sZ>43 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Schurch, N" sort="Schurch, N" uniqKey="Schurch N" first="N." last="Schurch">N. Schurch</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Department of Physics, University of Durham, South Road</s1><s2>Durham DH1 3LE</s2><s3>GBR</s3><sZ>41 aut.</sZ><sZ>44 aut.</sZ><sZ>51 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Durham DH1 3LE</wicri:noRegion></affiliation></author><author><name sortKey="Schwope, A" sort="Schwope, A" uniqKey="Schwope A" first="A." last="Schwope">A. Schwope</name><affiliation wicri:level="3"><inist:fA14 i1="11"><s1>Astrophysikalisches Institut Potsdam, An der Sternwarte 16</s1><s2>144482, Potsdam</s2><s3>DEU</s3><sZ>28 aut.</sZ><sZ>45 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Brandebourg</region><settlement type="city">Potsdam</settlement></placeName></affiliation></author><author><name sortKey="Severgnin, P" sort="Severgnin, P" uniqKey="Severgnin P" first="P." last="Severgnin">P. Severgnin</name><affiliation wicri:level="2"><inist:fA14 i1="17"><s1>Centro de Astrobiología (CSIC-INTA), PO Box 50727</s1><s2>28080 Madrid</s2><s3>ESP</s3><sZ>46 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Sharp, R" sort="Sharp, R" uniqKey="Sharp R" first="R." last="Sharp">R. Sharp</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Institute of Astronomy, Madingley Road</s1><s2>Cambridge CB3 0HA</s2><s3>GBR</s3><sZ>19 aut.</sZ><sZ>23 aut.</sZ><sZ>32 aut.</sZ><sZ>47 aut.</sZ><sZ>56 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="18"><s1>Anglo-Australian Observatory, PO Box 296</s1><s2>Epping, NSW 1710</s2><s3>AUS</s3><sZ>47 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Epping, NSW 1710</wicri:noRegion></affiliation></author><author><name sortKey="Stewart, G C" sort="Stewart, G C" uniqKey="Stewart G" first="G. C." last="Stewart">G. C. Stewart</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Szokoly, G" sort="Szokoly, G" uniqKey="Szokoly G" first="G." last="Szokoly">G. Szokoly</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Max-Planck-Institut für Extraterrestrische Physik, Giessen-bachstrasse</s1><s2>85740 Garching</s2><s3>DEU</s3><sZ>13 aut.</sZ><sZ>17 aut.</sZ><sZ>25 aut.</sZ><sZ>26 aut.</sZ><sZ>49 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85740 Garching</wicri:noRegion><wicri:noRegion>Giessen-bachstrasse</wicri:noRegion><wicri:noRegion>85740 Garching</wicri:noRegion></affiliation></author><author><name sortKey="Ullan, A" sort="Ullan, A" uniqKey="Ullan A" first="A." last="Ullan">A. Ullan</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Instituto de Física de Cantabria (CSIC-UC)</s1><s2>39005 Santander</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>38 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Cantabrie</region></placeName></affiliation><affiliation wicri:level="2"><inist:fA14 i1="17"><s1>Centro de Astrobiología (CSIC-INTA), PO Box 50727</s1><s2>28080 Madrid</s2><s3>ESP</s3><sZ>46 aut.</sZ><sZ>50 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Ward, M J" sort="Ward, M J" uniqKey="Ward M" first="M. J." last="Ward">M. J. Ward</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Department of Physics, University of Durham, South Road</s1><s2>Durham DH1 3LE</s2><s3>GBR</s3><sZ>41 aut.</sZ><sZ>44 aut.</sZ><sZ>51 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Durham DH1 3LE</wicri:noRegion></affiliation></author><author><name sortKey="Warwick, R S" sort="Warwick, R S" uniqKey="Warwick R" first="R. S." last="Warwick">R. S. Warwick</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation></author><author><name sortKey="Wheatley, P J" sort="Wheatley, P J" uniqKey="Wheatley P" first="P. J." last="Wheatley">P. J. Wheatley</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>X-ray and Observational Astronomy Group, Department of Physics and Astronomy, Leicester University</s1><s2>Leicester LEI 7RH</s2><s3>GBR</s3><sZ>8 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ><sZ>11 aut.</sZ><sZ>22 aut.</sZ><sZ>37 aut.</sZ><sZ>40 aut.</sZ><sZ>41 aut.</sZ><sZ>42 aut.</sZ><sZ>44 aut.</sZ><sZ>48 aut.</sZ><sZ>51 aut.</sZ><sZ>52 aut.</sZ><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Leicester LEI 7RH</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="19"><s1>Department of Physics, University of Warwick</s1><s2>Coventry CV4 7AL</s2><s3>GBR</s3><sZ>53 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Coventry CV4 7AL</wicri:noRegion></affiliation></author><author><name sortKey="Webb, N A" sort="Webb, N A" uniqKey="Webb N" first="N. A." last="Webb">N. A. Webb</name><affiliation wicri:level="3"><inist:fA14 i1="20"><s1>Centre d'Étude Spatiale des Rayonnements, CNRS/UPS, 9 avenue du Colonel Roche</s1><s2>31028 Toulouse</s2><s3>FRA</s3><sZ>54 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Midi-Pyrénées</region><settlement type="city">Toulouse</settlement></placeName></affiliation></author><author><name sortKey="Worrall, D" sort="Worrall, D" uniqKey="Worrall D" first="D." last="Worrall">D. Worrall</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>H.H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue</s1><s2>Bristol BS8 1TL</s2><s3>GBR</s3><sZ>12 aut.</sZ><sZ>15 aut.</sZ><sZ>55 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Bristol BS8 1TL</wicri:noRegion></affiliation></author><author><name sortKey="Yuan, W" sort="Yuan, W" uniqKey="Yuan W" first="W." last="Yuan">W. Yuan</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Institute of Astronomy, Madingley Road</s1><s2>Cambridge CB3 0HA</s2><s3>GBR</s3><sZ>19 aut.</sZ><sZ>23 aut.</sZ><sZ>32 aut.</sZ><sZ>47 aut.</sZ><sZ>56 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="21"><s1>National Astronomical Observatories of China/Yunnan Observatory, Phoenix Hill, PO Box 110</s1><s2>Kunming, Yunnan</s2><s3>CHN</s3><sZ>56 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Kunming, Yunnan</wicri:noRegion></affiliation></author><author><name sortKey="Ziaeepour, H" sort="Ziaeepour, H" uniqKey="Ziaeepour H" first="H." last="Ziaeepour">H. Ziaeepour</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking</s1><s2>Surrey RH5 6NT</s2><s3>GBR</s3><sZ>4 aut.</sZ><sZ>20 aut.</sZ><sZ>29 aut.</sZ><sZ>31 aut.</sZ><sZ>34 aut.</sZ><sZ>42 aut.</sZ><sZ>57 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Surrey RH5 6NT</wicri:noRegion><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Astronomy and astrophysics : (Berlin. Print)</title><title level="j" type="abbreviated">Astron. astrophys. : (Berl., Print)</title><idno type="ISSN">0004-6361</idno><imprint><date when="2007">2007</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Astronomy and astrophysics : (Berlin. Print)</title><title level="j" type="abbreviated">Astron. astrophys. : (Berl., Print)</title><idno type="ISSN">0004-6361</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Active galaxies</term><term>Active galaxy nuclei</term><term>Cosmic radiation</term><term>Cosmic x-ray sources</term><term>Galaxy nuclei</term><term>Selection function</term><term>Soft X radiation</term><term>X-ray galaxies</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Rayonnement cosmique</term><term>Noyau galactique actif</term><term>Rayon X mou</term><term>Fonction sélection</term><term>Galaxies RX</term><term>Galaxies actives</term><term>Noyau galaxies</term><term>Source RX cosmique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Aims. X-ray sources at intermediate fluxes (a few ×10<sup>-14</sup> erg cm<sup>-2</sup> s<sup>-1</sup>) with a sky density of ∼100 deg<sup>-2</sup> 2 are responsible for a significant fraction of the cosmic X-ray background at various energies below 10 keV. The aim of this paper is to provide an unbiased and quantitative description of the X-ray source population at these fluxes and in various X-ray energy bands. Methods. We present the XMM-Newton Medium sensitivity Survey (XMS), including a total of 318 X-ray sources found among the serendipitous content of 25 XMM-Newton target fields. The XMS comprises four largely overlapping source samples selected at soft (0.5-2 keV), intermediate (0.5-4.5 keV), hard (2-10 keV) and ultra-hard (4.5-7.5 keV) bands, the first three of them being flux-limited. Results. We report on the optical identification of the XMS samples, complete to 85-95%. At the flux levels sampled by the XMS we find that the X-ray sky is largely dominated by Active Galactic Nuclei. The fraction of stars in soft X-ray selected samples is below 10%, and only a few per cent for hard selected samples. We find that the fraction of optically obscured objects in the AGN population stays constant at around 15-20% for soft and intermediate band selected X-ray sources, over 2 decades of flux. The fraction of obscured objects amongst the AGN population is larger (∼35-45%) in the hard or ultra-hard selected samples, and constant across a similarly wide flux range. The distribution in X-ray-to-optical flux ratio is a strong function of the selection band, with a larger fraction of sources with high values in hard selected samples. Sources with X-ray-to-optical flux ratios in excess of 10 are dominated by obscured AGN, but with a significant contribution from unobscured AGN.</div></front></TEI><affiliations><list><country><li>Afrique du Sud</li><li>Allemagne</li><li>Australie</li><li>Espagne</li><li>France</li><li>Italie</li><li>Royaume-Uni</li><li>Russie</li><li>République populaire de Chine</li></country><region><li>Alsace (région administrative)</li><li>Angleterre</li><li>Brandebourg</li><li>Canaries</li><li>Cantabrie</li><li>Communauté de Madrid</li><li>Communauté valencienne</li><li>Grand Est</li><li>Grand Londres</li><li>Midi-Pyrénées</li><li>Occitanie (région administrative)</li></region><settlement><li>Alicante</li><li>Londres</li><li>Potsdam</li><li>Strasbourg</li><li>Toulouse</li></settlement><orgName><li>University College de Londres</li><li>Université d'Alicante</li></orgName></list><tree><country name="Espagne"><region name="Cantabrie"><name sortKey="Barcons, X" sort="Barcons, X" uniqKey="Barcons X" first="X." last="Barcons">X. Barcons</name></region><name sortKey="Bussons Gordo, J" sort="Bussons Gordo, J" uniqKey="Bussons Gordo J" first="J." last="Bussons-Gordo">J. Bussons-Gordo</name><name sortKey="Carrera, F J" sort="Carrera, F J" uniqKey="Carrera F" first="F. J." last="Carrera">F. J. Carrera</name><name sortKey="Ceballos, M T" sort="Ceballos, M T" uniqKey="Ceballos M" first="M. T." last="Ceballos">M. T. Ceballos</name><name sortKey="Corral, A" sort="Corral, A" uniqKey="Corral A" first="A." last="Corral">A. Corral</name><name sortKey="Ebrero, J" sort="Ebrero, J" uniqKey="Ebrero J" first="J." last="Ebrero">J. Ebrero</name><name sortKey="Mateos, S" sort="Mateos, S" uniqKey="Mateos S" first="S." last="Mateos">S. Mateos</name><name sortKey="Negueruela, I" sort="Negueruela, I" uniqKey="Negueruela I" first="I." last="Negueruela">I. Negueruela</name><name sortKey="Panessa, F" sort="Panessa, F" uniqKey="Panessa F" first="F." last="Panessa">F. Panessa</name><name sortKey="Perez Foumon, I" sort="Perez Foumon, I" uniqKey="Perez Foumon I" first="I." last="Perez-Foumon">I. Perez-Foumon</name><name sortKey="Schartel, N" sort="Schartel, N" uniqKey="Schartel N" first="N." last="Schartel">N. Schartel</name><name sortKey="Severgnin, P" sort="Severgnin, P" uniqKey="Severgnin P" first="P." last="Severgnin">P. Severgnin</name><name sortKey="Ullan, A" sort="Ullan, A" uniqKey="Ullan A" first="A." last="Ullan">A. Ullan</name><name sortKey="Ullan, A" sort="Ullan, A" uniqKey="Ullan A" first="A." last="Ullan">A. Ullan</name></country><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Page, M J" sort="Page, M J" uniqKey="Page M" first="M. J." last="Page">M. J. Page</name></region><name sortKey="Baskill, D" sort="Baskill, D" uniqKey="Baskill D" first="D." last="Baskill">D. Baskill</name><name sortKey="Birkinshaw, M" sort="Birkinshaw, M" uniqKey="Birkinshaw M" first="M." last="Birkinshaw">M. Birkinshaw</name><name sortKey="Bremer, M" sort="Bremer, M" uniqKey="Bremer M" first="M." last="Bremer">M. Bremer</name><name sortKey="Bromage, G E" sort="Bromage, G E" uniqKey="Bromage G" first="G. E." last="Bromage">G. E. Bromage</name><name sortKey="Crawford, C S" sort="Crawford, C S" uniqKey="Crawford C" first="C. S." last="Crawford">C. S. Crawford</name><name sortKey="Cropper, M S" sort="Cropper, M S" uniqKey="Cropper M" first="M. S." last="Cropper">M. S. Cropper</name><name sortKey="Derry, P" sort="Derry, P" uniqKey="Derry P" first="P." last="Derry">P. Derry</name><name sortKey="Fabian, A C" sort="Fabian, A C" uniqKey="Fabian A" first="A. C." last="Fabian">A. C. Fabian</name><name sortKey="Hassall, B J M" sort="Hassall, B J M" uniqKey="Hassall B" first="B. J. M." last="Hassall">B. J. M. Hassall</name><name sortKey="Loaring, N S" sort="Loaring, N S" uniqKey="Loaring N" first="N. S." last="Loaring">N. S. Loaring</name><name sortKey="Mason, K O" sort="Mason, K O" uniqKey="Mason K" first="K. O." last="Mason">K. O. Mason</name><name sortKey="Mateos, S" sort="Mateos, S" uniqKey="Mateos S" first="S." last="Mateos">S. Mateos</name><name sortKey="Mcmahon, R G" sort="Mcmahon, R G" uniqKey="Mcmahon R" first="R. G." last="Mcmahon">R. G. Mcmahon</name><name sortKey="Mittaz, J P D" sort="Mittaz, J P D" uniqKey="Mittaz J" first="J. P. D." last="Mittaz">J. P. D. Mittaz</name><name sortKey="Osborne, J P" sort="Osborne, J P" uniqKey="Osborne J" first="J. P." last="Osborne">J. P. Osborne</name><name sortKey="Pye, J P" sort="Pye, J P" uniqKey="Pye J" first="J. P." last="Pye">J. P. Pye</name><name sortKey="Roberts, T P" sort="Roberts, T P" uniqKey="Roberts T" first="T. P." last="Roberts">T. P. Roberts</name><name sortKey="Roberts, T P" sort="Roberts, T P" uniqKey="Roberts T" first="T. P." last="Roberts">T. P. Roberts</name><name sortKey="Rosen, S" sort="Rosen, S" uniqKey="Rosen S" first="S." last="Rosen">S. Rosen</name><name sortKey="Rosen, S" sort="Rosen, S" uniqKey="Rosen S" first="S." last="Rosen">S. Rosen</name><name sortKey="Schurch, N" sort="Schurch, N" uniqKey="Schurch N" first="N." last="Schurch">N. Schurch</name><name sortKey="Schurch, N" sort="Schurch, N" uniqKey="Schurch N" first="N." last="Schurch">N. Schurch</name><name sortKey="Sharp, R" sort="Sharp, R" uniqKey="Sharp R" first="R." last="Sharp">R. Sharp</name><name sortKey="Stewart, G C" sort="Stewart, G C" uniqKey="Stewart G" first="G. C." last="Stewart">G. C. Stewart</name><name sortKey="Tedds, J A" sort="Tedds, J A" uniqKey="Tedds J" first="J. A." last="Tedds">J. A. Tedds</name><name sortKey="Ward, M J" sort="Ward, M J" uniqKey="Ward M" first="M. J." last="Ward">M. J. Ward</name><name sortKey="Ward, M J" sort="Ward, M J" uniqKey="Ward M" first="M. J." last="Ward">M. J. Ward</name><name sortKey="Warwick, R S" sort="Warwick, R S" uniqKey="Warwick R" first="R. S." last="Warwick">R. S. Warwick</name><name sortKey="Watson, M G" sort="Watson, M G" uniqKey="Watson M" first="M. G." last="Watson">M. G. Watson</name><name sortKey="Wheatley, P J" sort="Wheatley, P J" uniqKey="Wheatley P" first="P. J." last="Wheatley">P. J. Wheatley</name><name sortKey="Wheatley, P J" sort="Wheatley, P J" uniqKey="Wheatley P" first="P. J." last="Wheatley">P. J. Wheatley</name><name sortKey="Worrall, D" sort="Worrall, D" uniqKey="Worrall D" first="D." last="Worrall">D. Worrall</name><name sortKey="Yuan, W" sort="Yuan, W" uniqKey="Yuan W" first="W." last="Yuan">W. Yuan</name><name sortKey="Ziaeepour, H" sort="Ziaeepour, H" uniqKey="Ziaeepour H" first="H." last="Ziaeepour">H. Ziaeepour</name></country><country name="Allemagne"><noRegion><name sortKey="Boller, T" sort="Boller, T" uniqKey="Boller T" first="T." last="Boller">T. Boller</name></noRegion><name sortKey="Brunner, H" sort="Brunner, H" uniqKey="Brunner H" first="H." last="Brunner">H. Brunner</name><name sortKey="Hashimoto, Y" sort="Hashimoto, Y" uniqKey="Hashimoto Y" first="Y." last="Hashimoto">Y. Hashimoto</name><name sortKey="Hasinger, G" sort="Hasinger, G" uniqKey="Hasinger G" first="G." last="Hasinger">G. Hasinger</name><name sortKey="Lamer, G" sort="Lamer, G" uniqKey="Lamer G" first="G." last="Lamer">G. Lamer</name><name sortKey="Schwope, A" sort="Schwope, A" uniqKey="Schwope A" first="A." last="Schwope">A. Schwope</name><name sortKey="Szokoly, G" sort="Szokoly, G" uniqKey="Szokoly G" first="G." last="Szokoly">G. Szokoly</name></country><country name="Russie"><noRegion><name sortKey="Borisov, N" sort="Borisov, N" uniqKey="Borisov N" first="N." last="Borisov">N. Borisov</name></noRegion></country><country name="Italie"><noRegion><name sortKey="Caccianiga, A" sort="Caccianiga, A" uniqKey="Caccianiga A" first="A." last="Caccianiga">A. Caccianiga</name></noRegion><name sortKey="Ceca, R Della" sort="Ceca, R Della" uniqKey="Ceca R" first="R. Della" last="Ceca">R. Della Ceca</name><name sortKey="Maccacaro, T" sort="Maccacaro, T" uniqKey="Maccacaro T" first="T." last="Maccacaro">T. Maccacaro</name></country><country name="France"><region name="Grand Est"><name sortKey="Guillout, P" sort="Guillout, P" uniqKey="Guillout P" first="P." last="Guillout">P. Guillout</name></region><name sortKey="Mirioni, L" sort="Mirioni, L" uniqKey="Mirioni L" first="L." last="Mirioni">L. Mirioni</name><name sortKey="Motch, C" sort="Motch, C" uniqKey="Motch C" first="C." last="Motch">C. Motch</name><name sortKey="Negueruela, I" sort="Negueruela, I" uniqKey="Negueruela I" first="I." last="Negueruela">I. Negueruela</name><name sortKey="Webb, N A" sort="Webb, N A" uniqKey="Webb N" first="N. A." last="Webb">N. A. Webb</name></country><country name="Afrique du Sud"><noRegion><name sortKey="Loaring, N S" sort="Loaring, N S" uniqKey="Loaring N" first="N. S." last="Loaring">N. S. Loaring</name></noRegion></country><country name="Australie"><noRegion><name sortKey="Sharp, R" sort="Sharp, R" uniqKey="Sharp R" first="R." last="Sharp">R. Sharp</name></noRegion></country><country name="République populaire de Chine"><noRegion><name sortKey="Yuan, W" sort="Yuan, W" uniqKey="Yuan W" first="W." last="Yuan">W. Yuan</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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