The Herschel* Exploitation of Local Galaxy Andromeda (HELGA) I. Global far-infrared and sub-mm morphology
Identifieur interne : 005847 ( Main/Exploration ); précédent : 005846; suivant : 005848The Herschel* Exploitation of Local Galaxy Andromeda (HELGA) I. Global far-infrared and sub-mm morphology
Auteurs : J. Fritz [Belgique] ; G. Gentile [Belgique] ; M. W. L. Smith [Royaume-Uni] ; W. K. Gear [Royaume-Uni] ; R. Braun [Australie] ; J. Roman Duval [États-Unis] ; G. J. Bendo [Royaume-Uni] ; M. Baes [Belgique] ; S. A. Eales [Royaume-Uni] ; J. Verstappen [Belgique] ; J. A. D. L. Blommaert [Belgique] ; M. Boquien [États-Unis, France] ; A. Boselli [France] ; D. Clements [Royaume-Uni] ; A. R. Cooray [États-Unis] ; L. Cortese [Allemagne] ; I. De Looze [Belgique] ; G. P. Ford [Royaume-Uni] ; F. Galliano [France] ; H. L. Gomez [Royaume-Uni] ; K. D. Gordon [Belgique, États-Unis] ; V. Lebouteiller [France] ; B. O'Halloran [Royaume-Uni] ; J. Kirk [Royaume-Uni] ; S. C. Madden [France] ; M. J. Page [Royaume-Uni] ; A. Remy [France] ; H. Roussel [France] ; L. Spinoglio [Italie] ; D. Thilker [États-Unis] ; M. Vaccari [Afrique du Sud] ; C. D. Wilson [Canada] ; C. Waelkens [Belgique]Source :
- Astronomy and astrophysics : (Berlin. Print) [ 0004-6361 ] ; 2012.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Context. We have obtained Herschel images at five wavelengths from 100 to 500 μm of a ∼5.5 x 2.5 degree area centred on the local galaxy M 31 (Andromeda), our nearest neighbour spiral galaxy, as part of the Herschel guaranteed time project "HELGA". The main goals of HELGA are to study the characteristics of the extended dust emission, focusing on larger scales than studied in previous observations of Andromeda at an increased spatial resolution, and the obscured star formation. Aims. In this paper we present data reduction and Herschel maps, and provide a description of the far-infrared morphology, comparing it with features seen at other wavelengths. Methods. We used high-resolution maps of the atomic hydrogen, fully covering our fields, to identify dust emission features that can be associated to M 31 with confidence, distinguishing them from emission coming from the foreground Galactic cirrus. Results. Thanks to the very large extension of our maps we detect, for the first time at far-infrared wavelengths, three arc-like structures extending out to ∼21, ∼26 and ∼31 kpc respectively, in the south-western part of M 31. The presence of these features, hosting ∼2.2 x 106 M◦. of dust, is safely confirmed by their detection in HI maps. Overall, we estimate a total dust mass of ∼5.8 x 107 M◦., about 78% of which is contained in the two main ring-like structures at 10 and 15 kpc, at an average temperature of 16.5 K. We find that the gas-to-dust ratio declines exponentially as a function of the galacto-centric distance, in agreement with the known metallicity gradient, with values ranging from 66 in the nucleus to ∼275 in the outermost region. Conclusions. Dust in M31 extends significantly beyond its optical radius (∼21 kpc) and what was previously mapped in the far-infrared. An annular-like segment, located approximately at R25, is clearly detected on both sides of the galaxy, and two other similar annular structures are undoubtedly detected on the south-west side even further out.
Affiliations:
- Afrique du Sud, Allemagne, Australie, Belgique, Canada, France, Italie, Royaume-Uni, États-Unis
- Angleterre, Grand Londres, Grand Manchester, Latium, Massachusetts, Ontario, Provence-Alpes-Côte d'Azur, Province de Flandre-Orientale, Province du Brabant flamand, Vienne (Autriche), Île-de-France
- Amherst (Massachusetts), Gand, Gif-sur-Yvette, Hamilton (Ontario), Heverlee, Londres, Louvain, Manchester, Marseille, Paris, Rome, Vienne (Autriche)
- University College de Londres, Université McMaster, Université de Gand, Université de Manchester, Université du Massachusetts
Links toward previous steps (curation, corpus...)
- to stream PascalFrancis, to step Corpus: 000D14
- to stream PascalFrancis, to step Curation: 005150
- to stream PascalFrancis, to step Checkpoint: 000C91
- to stream Main, to step Merge: 005B26
- to stream Main, to step Curation: 005847
Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">The Herschel<sup>*</sup> Exploitation of Local Galaxy Andromeda (HELGA) I. Global far-infrared and sub-mm morphology</title><author><name sortKey="Fritz, J" sort="Fritz, J" uniqKey="Fritz J" first="J." last="Fritz">J. Fritz</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation></author><author><name sortKey="Gentile, G" sort="Gentile, G" uniqKey="Gentile G" first="G." last="Gentile">G. Gentile</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation><affiliation wicri:level="3"><inist:fA14 i1="19"><s1>Astrophysical Institute, Vrije Universiteit Brussel, Pleinlaan 2</s1><s2>1050 Brussels</s2><s3>BEL</s3><sZ>2 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="land" nuts="2">Vienne (Autriche)</region><settlement type="city">Vienne (Autriche)</settlement></placeName></affiliation></author><author><name sortKey="Smith, M W L" sort="Smith, M W L" uniqKey="Smith M" first="M. W. L." last="Smith">M. W. L. Smith</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Gear, W K" sort="Gear, W K" uniqKey="Gear W" first="W. K." last="Gear">W. K. Gear</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Braun, R" sort="Braun, R" uniqKey="Braun R" first="R." last="Braun">R. Braun</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1><s2>Epping, NSW 1710</s2><s3>AUS</s3><sZ>5 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Epping, NSW 1710</wicri:noRegion></affiliation></author><author><name sortKey="Duval, J Roman" sort="Duval, J Roman" uniqKey="Duval J" first="J. Roman" last="Duval">J. Roman Duval</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Space Telescope Science Institute, 3700 San Martin Drive</s1><s2>Baltimore, MD 21218</s2><s3>USA</s3><sZ>6 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Baltimore, MD 21218</wicri:noRegion></affiliation></author><author><name sortKey="Bendo, G J" sort="Bendo, G J" uniqKey="Bendo G" first="G. J." last="Bendo">G. J. Bendo</name><affiliation wicri:level="4"><inist:fA14 i1="05"><s1>UK ALMA Regional Centre Node, Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road</s1><s2>Manchester M13 9PL</s2><s3>GBR</s3><sZ>7 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Manchester M13 9PL</wicri:noRegion><orgName type="university">Université de Manchester</orgName><placeName><settlement type="city">Manchester</settlement><region type="nation">Angleterre</region><region nuts="2" type="region">Grand Manchester</region></placeName></affiliation></author><author><name sortKey="Baes, M" sort="Baes, M" uniqKey="Baes M" first="M." last="Baes">M. Baes</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation></author><author><name sortKey="Eales, S A" sort="Eales, S A" uniqKey="Eales S" first="S. A." last="Eales">S. A. Eales</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Verstappen, J" sort="Verstappen, J" uniqKey="Verstappen J" first="J." last="Verstappen">J. Verstappen</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation></author><author><name sortKey="Blommaert, J A D L" sort="Blommaert, J A D L" uniqKey="Blommaert J" first="J. A. D. L." last="Blommaert">J. A. D. L. Blommaert</name><affiliation wicri:level="3"><inist:fA14 i1="06"><s1>Instituut voor Sterrenkunde, KU Leuven, Celestijnenlaan 200D</s1><s2>3001 Leuven</s2><s3>BEL</s3><sZ>11 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province du Brabant flamand</region><settlement type="town">Heverlee</settlement><settlement type="city">Louvain</settlement></placeName></affiliation></author><author><name sortKey="Boquien, M" sort="Boquien, M" uniqKey="Boquien M" first="M." last="Boquien">M. Boquien</name><affiliation wicri:level="4"><inist:fA14 i1="07"><s1>University of Massachusetts, Department of Astronomy, LGRT-B 619E</s1><s2>Amherst, MA 01003</s2><s3>USA</s3><sZ>12 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Amherst, MA 01003</wicri:noRegion><orgName type="university">Université du Massachusetts</orgName><placeName><settlement type="city">Amherst (Massachusetts)</settlement><region type="state">Massachusetts</region></placeName></affiliation><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Laboratoire d'Astrophysique de Marseille, UMR 6110 CNRS, 38 rue F. Joliot-Curie</s1><s2>13388 Marseille</s2><s3>FRA</s3><sZ>12 aut.</sZ><sZ>13 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Provence-Alpes-Côte d'Azur</region><settlement type="city">Marseille</settlement></placeName></affiliation></author><author><name sortKey="Boselli, A" sort="Boselli, A" uniqKey="Boselli A" first="A." last="Boselli">A. Boselli</name><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Laboratoire d'Astrophysique de Marseille, UMR 6110 CNRS, 38 rue F. Joliot-Curie</s1><s2>13388 Marseille</s2><s3>FRA</s3><sZ>12 aut.</sZ><sZ>13 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Provence-Alpes-Côte d'Azur</region><settlement type="city">Marseille</settlement></placeName></affiliation></author><author><name sortKey="Clements, D" sort="Clements, D" uniqKey="Clements D" first="D." last="Clements">D. Clements</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Astrophysics Group, Imperial College, Blackett Laboratory, Prince Consort Road</s1><s2>London SW7 2AZ</s2><s3>GBR</s3><sZ>14 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>London SW7 2AZ</wicri:noRegion></affiliation></author><author><name sortKey="Cooray, A R" sort="Cooray, A R" uniqKey="Cooray A" first="A. R." last="Cooray">A. R. Cooray</name><affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Center for Cosmology and the Department of Physics & Astronomy, University of California</s1><s2>Irvine, CA 92697</s2><s3>USA</s3><sZ>15 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Irvine, CA 92697</wicri:noRegion></affiliation></author><author><name sortKey="Cortese, L" sort="Cortese, L" uniqKey="Cortese L" first="L." last="Cortese">L. Cortese</name><affiliation wicri:level="1"><inist:fA14 i1="11"><s1>European Southern Observatory, Karl-Schwarzschild Str. 2</s1><s2>85748 Garching bei Muenchen</s2><s3>DEU</s3><sZ>16 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85748 Garching bei Muenchen</wicri:noRegion><wicri:noRegion>Karl-Schwarzschild Str. 2</wicri:noRegion><wicri:noRegion>85748 Garching bei Muenchen</wicri:noRegion></affiliation></author><author><name sortKey="De Looze, I" sort="De Looze, I" uniqKey="De Looze I" first="I." last="De Looze">I. De Looze</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation></author><author><name sortKey="Ford, G P" sort="Ford, G P" uniqKey="Ford G" first="G. P." last="Ford">G. P. Ford</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Galliano, F" sort="Galliano, F" uniqKey="Galliano F" first="F." last="Galliano">F. Galliano</name><affiliation wicri:level="3"><inist:fA14 i1="12"><s1>AIM, CEA/Saclay, Orme des Merisiers, bâtiment 709</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Gif-sur-Yvette</settlement></placeName></affiliation></author><author><name sortKey="Gomez, H L" sort="Gomez, H L" uniqKey="Gomez H" first="H. L." last="Gomez">H. L. Gomez</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Gordon, K D" sort="Gordon, K D" uniqKey="Gordon K" first="K. D." last="Gordon">K. D. Gordon</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Space Telescope Science Institute, 3700 San Martin Drive</s1><s2>Baltimore, MD 21218</s2><s3>USA</s3><sZ>6 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Baltimore, MD 21218</wicri:noRegion></affiliation></author><author><name sortKey="Lebouteiller, V" sort="Lebouteiller, V" uniqKey="Lebouteiller V" first="V." last="Lebouteiller">V. Lebouteiller</name><affiliation wicri:level="3"><inist:fA14 i1="12"><s1>AIM, CEA/Saclay, Orme des Merisiers, bâtiment 709</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Gif-sur-Yvette</settlement></placeName></affiliation></author><author><name sortKey="O Halloran, B" sort="O Halloran, B" uniqKey="O Halloran B" first="B." last="O'Halloran">B. O'Halloran</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Astrophysics Group, Imperial College, Blackett Laboratory, Prince Consort Road</s1><s2>London SW7 2AZ</s2><s3>GBR</s3><sZ>14 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>London SW7 2AZ</wicri:noRegion></affiliation></author><author><name sortKey="Kirk, J" sort="Kirk, J" uniqKey="Kirk J" first="J." last="Kirk">J. Kirk</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Madden, S C" sort="Madden, S C" uniqKey="Madden S" first="S. C." last="Madden">S. C. Madden</name><affiliation wicri:level="3"><inist:fA14 i1="12"><s1>AIM, CEA/Saclay, Orme des Merisiers, bâtiment 709</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Gif-sur-Yvette</settlement></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="13"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary</s1><s2>Dorking, Surrey RH5 6NT</s2><s3>GBR</s3><sZ>26 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Dorking, 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="Remy, A" sort="Remy, A" uniqKey="Remy A" first="A." last="Remy">A. Remy</name><affiliation wicri:level="3"><inist:fA14 i1="12"><s1>AIM, CEA/Saclay, Orme des Merisiers, bâtiment 709</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Gif-sur-Yvette</settlement></placeName></affiliation></author><author><name sortKey="Roussel, H" sort="Roussel, H" uniqKey="Roussel H" first="H." last="Roussel">H. Roussel</name><affiliation wicri:level="3"><inist:fA14 i1="14"><s1>Institut d'Astrophysique de Paris, UMR 7095 CNRS, Université Pierre & Marie Curie, 98bis boulevard Arago</s1><s2>75014 Paris</s2><s3>FRA</s3><sZ>28 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Paris</settlement></placeName></affiliation></author><author><name sortKey="Spinoglio, L" sort="Spinoglio, L" uniqKey="Spinoglio L" first="L." last="Spinoglio">L. Spinoglio</name><affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Istituto di Fisica dello Spazio Interplanetario, INAF, via Fosso del Cavaliere 100</s1><s2>00133 Roma</s2><s3>ITA</s3><sZ>29 aut.</sZ></inist:fA14><country>Italie</country><placeName><settlement type="city">Rome</settlement><region nuts="2">Latium</region></placeName></affiliation></author><author><name sortKey="Thilker, D" sort="Thilker, D" uniqKey="Thilker D" first="D." last="Thilker">D. Thilker</name><affiliation wicri:level="1"><inist:fA14 i1="16"><s1>Dept. of Physics & Astronomy, Johns Hopkins University, 3400 N. Charles St.</s1><s2>Baltimore, MD 21218</s2><s3>USA</s3><sZ>30 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Baltimore, MD 21218</wicri:noRegion></affiliation></author><author><name sortKey="Vaccari, M" sort="Vaccari, M" uniqKey="Vaccari M" first="M." last="Vaccari">M. Vaccari</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>University of the Western Cape Private Bag X17</s1><s2>Bellville, 7535 Cape Town</s2><s3>ZAF</s3><sZ>31 aut.</sZ></inist:fA14><country>Afrique du Sud</country><wicri:noRegion>University of the Western Cape Private Bag X17</wicri:noRegion></affiliation></author><author><name sortKey="Wilson, C D" sort="Wilson, C D" uniqKey="Wilson C" first="C. D." last="Wilson">C. D. Wilson</name><affiliation wicri:level="4"><inist:fA14 i1="18"><s1>Department of Physics & Astronomy, McMaster University</s1><s2>Hamilton, Ontario L8S 4M1</s2><s3>CAN</s3><sZ>32 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Hamilton (Ontario)</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université McMaster</orgName></affiliation></author><author><name sortKey="Waelkens, C" sort="Waelkens, C" uniqKey="Waelkens C" first="C." last="Waelkens">C. Waelkens</name><affiliation wicri:level="3"><inist:fA14 i1="06"><s1>Instituut voor Sterrenkunde, KU Leuven, Celestijnenlaan 200D</s1><s2>3001 Leuven</s2><s3>BEL</s3><sZ>11 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province du Brabant flamand</region><settlement type="town">Heverlee</settlement><settlement type="city">Louvain</settlement></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">13-0044989</idno><date when="2012">2012</date><idno type="stanalyst">PASCAL 13-0044989 INIST</idno><idno type="RBID">Pascal:13-0044989</idno><idno type="wicri:Area/PascalFrancis/Corpus">000D14</idno><idno type="wicri:Area/PascalFrancis/Curation">005150</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000C91</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000C91</idno><idno type="wicri:Area/Main/Merge">005B26</idno><idno type="wicri:Area/Main/Curation">005847</idno><idno type="wicri:Area/Main/Exploration">005847</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">The Herschel<sup>*</sup> Exploitation of Local Galaxy Andromeda (HELGA) I. Global far-infrared and sub-mm morphology</title><author><name sortKey="Fritz, J" sort="Fritz, J" uniqKey="Fritz J" first="J." last="Fritz">J. Fritz</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation></author><author><name sortKey="Gentile, G" sort="Gentile, G" uniqKey="Gentile G" first="G." last="Gentile">G. Gentile</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation><affiliation wicri:level="3"><inist:fA14 i1="19"><s1>Astrophysical Institute, Vrije Universiteit Brussel, Pleinlaan 2</s1><s2>1050 Brussels</s2><s3>BEL</s3><sZ>2 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="land" nuts="2">Vienne (Autriche)</region><settlement type="city">Vienne (Autriche)</settlement></placeName></affiliation></author><author><name sortKey="Smith, M W L" sort="Smith, M W L" uniqKey="Smith M" first="M. W. L." last="Smith">M. W. L. Smith</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Gear, W K" sort="Gear, W K" uniqKey="Gear W" first="W. K." last="Gear">W. K. Gear</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Braun, R" sort="Braun, R" uniqKey="Braun R" first="R." last="Braun">R. Braun</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1><s2>Epping, NSW 1710</s2><s3>AUS</s3><sZ>5 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Epping, NSW 1710</wicri:noRegion></affiliation></author><author><name sortKey="Duval, J Roman" sort="Duval, J Roman" uniqKey="Duval J" first="J. Roman" last="Duval">J. Roman Duval</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Space Telescope Science Institute, 3700 San Martin Drive</s1><s2>Baltimore, MD 21218</s2><s3>USA</s3><sZ>6 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Baltimore, MD 21218</wicri:noRegion></affiliation></author><author><name sortKey="Bendo, G J" sort="Bendo, G J" uniqKey="Bendo G" first="G. J." last="Bendo">G. J. Bendo</name><affiliation wicri:level="4"><inist:fA14 i1="05"><s1>UK ALMA Regional Centre Node, Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road</s1><s2>Manchester M13 9PL</s2><s3>GBR</s3><sZ>7 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Manchester M13 9PL</wicri:noRegion><orgName type="university">Université de Manchester</orgName><placeName><settlement type="city">Manchester</settlement><region type="nation">Angleterre</region><region nuts="2" type="region">Grand Manchester</region></placeName></affiliation></author><author><name sortKey="Baes, M" sort="Baes, M" uniqKey="Baes M" first="M." last="Baes">M. Baes</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation></author><author><name sortKey="Eales, S A" sort="Eales, S A" uniqKey="Eales S" first="S. A." last="Eales">S. A. Eales</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Verstappen, J" sort="Verstappen, J" uniqKey="Verstappen J" first="J." last="Verstappen">J. Verstappen</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation></author><author><name sortKey="Blommaert, J A D L" sort="Blommaert, J A D L" uniqKey="Blommaert J" first="J. A. D. L." last="Blommaert">J. A. D. L. Blommaert</name><affiliation wicri:level="3"><inist:fA14 i1="06"><s1>Instituut voor Sterrenkunde, KU Leuven, Celestijnenlaan 200D</s1><s2>3001 Leuven</s2><s3>BEL</s3><sZ>11 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province du Brabant flamand</region><settlement type="town">Heverlee</settlement><settlement type="city">Louvain</settlement></placeName></affiliation></author><author><name sortKey="Boquien, M" sort="Boquien, M" uniqKey="Boquien M" first="M." last="Boquien">M. Boquien</name><affiliation wicri:level="4"><inist:fA14 i1="07"><s1>University of Massachusetts, Department of Astronomy, LGRT-B 619E</s1><s2>Amherst, MA 01003</s2><s3>USA</s3><sZ>12 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Amherst, MA 01003</wicri:noRegion><orgName type="university">Université du Massachusetts</orgName><placeName><settlement type="city">Amherst (Massachusetts)</settlement><region type="state">Massachusetts</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="08"><s1>Laboratoire d'Astrophysique de Marseille, UMR 6110 CNRS, 38 rue F. Joliot-Curie</s1><s2>13388 Marseille</s2><s3>FRA</s3><sZ>12 aut.</sZ><sZ>13 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>13388 Marseille</wicri:noRegion><placeName><settlement type="city">Marseille</settlement><region type="région" nuts="2">Provence-Alpes-Côte d'Azur</region></placeName></affiliation></author><author><name sortKey="Boselli, A" sort="Boselli, A" uniqKey="Boselli A" first="A." last="Boselli">A. Boselli</name><affiliation wicri:level="1"><inist:fA14 i1="08"><s1>Laboratoire d'Astrophysique de Marseille, UMR 6110 CNRS, 38 rue F. Joliot-Curie</s1><s2>13388 Marseille</s2><s3>FRA</s3><sZ>12 aut.</sZ><sZ>13 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>13388 Marseille</wicri:noRegion><placeName><settlement type="city">Marseille</settlement><region type="région" nuts="2">Provence-Alpes-Côte d'Azur</region></placeName></affiliation></author><author><name sortKey="Clements, D" sort="Clements, D" uniqKey="Clements D" first="D." last="Clements">D. Clements</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Astrophysics Group, Imperial College, Blackett Laboratory, Prince Consort Road</s1><s2>London SW7 2AZ</s2><s3>GBR</s3><sZ>14 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>London SW7 2AZ</wicri:noRegion></affiliation></author><author><name sortKey="Cooray, A R" sort="Cooray, A R" uniqKey="Cooray A" first="A. R." last="Cooray">A. R. Cooray</name><affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Center for Cosmology and the Department of Physics & Astronomy, University of California</s1><s2>Irvine, CA 92697</s2><s3>USA</s3><sZ>15 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Irvine, CA 92697</wicri:noRegion></affiliation></author><author><name sortKey="Cortese, L" sort="Cortese, L" uniqKey="Cortese L" first="L." last="Cortese">L. Cortese</name><affiliation wicri:level="1"><inist:fA14 i1="11"><s1>European Southern Observatory, Karl-Schwarzschild Str. 2</s1><s2>85748 Garching bei Muenchen</s2><s3>DEU</s3><sZ>16 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>85748 Garching bei Muenchen</wicri:noRegion><wicri:noRegion>Karl-Schwarzschild Str. 2</wicri:noRegion><wicri:noRegion>85748 Garching bei Muenchen</wicri:noRegion></affiliation></author><author><name sortKey="De Looze, I" sort="De Looze, I" uniqKey="De Looze I" first="I." last="De Looze">I. De Looze</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation></author><author><name sortKey="Ford, G P" sort="Ford, G P" uniqKey="Ford G" first="G. P." last="Ford">G. P. Ford</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Galliano, F" sort="Galliano, F" uniqKey="Galliano F" first="F." last="Galliano">F. Galliano</name><affiliation wicri:level="1"><inist:fA14 i1="12"><s1>AIM, CEA/Saclay, Orme des Merisiers, bâtiment 709</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>91191 Gif-sur-Yvette</wicri:noRegion><wicri:noRegion>bâtiment 709</wicri:noRegion><wicri:noRegion>91191 Gif-sur-Yvette</wicri:noRegion></affiliation></author><author><name sortKey="Gomez, H L" sort="Gomez, H L" uniqKey="Gomez H" first="H. L." last="Gomez">H. L. Gomez</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Gordon, K D" sort="Gordon, K D" uniqKey="Gordon K" first="K. D." last="Gordon">K. D. Gordon</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281</s1><s2>9000 Gent</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>8 aut.</sZ><sZ>10 aut.</sZ><sZ>17 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province de Flandre-Orientale</region><settlement type="city">Gand</settlement><settlement type="city">Gand</settlement></placeName><orgName type="university">Université de Gand</orgName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Space Telescope Science Institute, 3700 San Martin Drive</s1><s2>Baltimore, MD 21218</s2><s3>USA</s3><sZ>6 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Baltimore, MD 21218</wicri:noRegion></affiliation></author><author><name sortKey="Lebouteiller, V" sort="Lebouteiller, V" uniqKey="Lebouteiller V" first="V." last="Lebouteiller">V. Lebouteiller</name><affiliation wicri:level="1"><inist:fA14 i1="12"><s1>AIM, CEA/Saclay, Orme des Merisiers, bâtiment 709</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>91191 Gif-sur-Yvette</wicri:noRegion><wicri:noRegion>bâtiment 709</wicri:noRegion><wicri:noRegion>91191 Gif-sur-Yvette</wicri:noRegion></affiliation></author><author><name sortKey="O Halloran, B" sort="O Halloran, B" uniqKey="O Halloran B" first="B." last="O'Halloran">B. O'Halloran</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Astrophysics Group, Imperial College, Blackett Laboratory, Prince Consort Road</s1><s2>London SW7 2AZ</s2><s3>GBR</s3><sZ>14 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>London SW7 2AZ</wicri:noRegion></affiliation></author><author><name sortKey="Kirk, J" sort="Kirk, J" uniqKey="Kirk J" first="J." last="Kirk">J. Kirk</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade</s1><s2>Cardiff CF24 3AA</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>18 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Cardiff CF24 3AA</wicri:noRegion></affiliation></author><author><name sortKey="Madden, S C" sort="Madden, S C" uniqKey="Madden S" first="S. C." last="Madden">S. C. Madden</name><affiliation wicri:level="1"><inist:fA14 i1="12"><s1>AIM, CEA/Saclay, Orme des Merisiers, bâtiment 709</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>91191 Gif-sur-Yvette</wicri:noRegion><wicri:noRegion>bâtiment 709</wicri:noRegion><wicri:noRegion>91191 Gif-sur-Yvette</wicri:noRegion></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="13"><s1>Mullard Space Science Laboratory, University College London, Holmbury St. Mary</s1><s2>Dorking, Surrey RH5 6NT</s2><s3>GBR</s3><sZ>26 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Dorking, 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="Remy, A" sort="Remy, A" uniqKey="Remy A" first="A." last="Remy">A. Remy</name><affiliation wicri:level="3"><inist:fA14 i1="12"><s1>AIM, CEA/Saclay, Orme des Merisiers, bâtiment 709</s1><s2>91191 Gif-sur-Yvette</s2><s3>FRA</s3><sZ>19 aut.</sZ><sZ>22 aut.</sZ><sZ>25 aut.</sZ><sZ>27 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Gif-sur-Yvette</settlement></placeName></affiliation></author><author><name sortKey="Roussel, H" sort="Roussel, H" uniqKey="Roussel H" first="H." last="Roussel">H. Roussel</name><affiliation wicri:level="3"><inist:fA14 i1="14"><s1>Institut d'Astrophysique de Paris, UMR 7095 CNRS, Université Pierre & Marie Curie, 98bis boulevard Arago</s1><s2>75014 Paris</s2><s3>FRA</s3><sZ>28 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Paris</settlement></placeName></affiliation></author><author><name sortKey="Spinoglio, L" sort="Spinoglio, L" uniqKey="Spinoglio L" first="L." last="Spinoglio">L. Spinoglio</name><affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Istituto di Fisica dello Spazio Interplanetario, INAF, via Fosso del Cavaliere 100</s1><s2>00133 Roma</s2><s3>ITA</s3><sZ>29 aut.</sZ></inist:fA14><country>Italie</country><placeName><settlement type="city">Rome</settlement><region nuts="2">Latium</region></placeName></affiliation></author><author><name sortKey="Thilker, D" sort="Thilker, D" uniqKey="Thilker D" first="D." last="Thilker">D. Thilker</name><affiliation wicri:level="1"><inist:fA14 i1="16"><s1>Dept. of Physics & Astronomy, Johns Hopkins University, 3400 N. Charles St.</s1><s2>Baltimore, MD 21218</s2><s3>USA</s3><sZ>30 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Baltimore, MD 21218</wicri:noRegion></affiliation></author><author><name sortKey="Vaccari, M" sort="Vaccari, M" uniqKey="Vaccari M" first="M." last="Vaccari">M. Vaccari</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>University of the Western Cape Private Bag X17</s1><s2>Bellville, 7535 Cape Town</s2><s3>ZAF</s3><sZ>31 aut.</sZ></inist:fA14><country>Afrique du Sud</country><wicri:noRegion>University of the Western Cape Private Bag X17</wicri:noRegion></affiliation></author><author><name sortKey="Wilson, C D" sort="Wilson, C D" uniqKey="Wilson C" first="C. D." last="Wilson">C. D. Wilson</name><affiliation wicri:level="4"><inist:fA14 i1="18"><s1>Department of Physics & Astronomy, McMaster University</s1><s2>Hamilton, Ontario L8S 4M1</s2><s3>CAN</s3><sZ>32 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Hamilton (Ontario)</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université McMaster</orgName></affiliation></author><author><name sortKey="Waelkens, C" sort="Waelkens, C" uniqKey="Waelkens C" first="C." last="Waelkens">C. Waelkens</name><affiliation wicri:level="3"><inist:fA14 i1="06"><s1>Instituut voor Sterrenkunde, KU Leuven, Celestijnenlaan 200D</s1><s2>3001 Leuven</s2><s3>BEL</s3><sZ>11 aut.</sZ><sZ>33 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="province" nuts="2">Province du Brabant flamand</region><settlement type="town">Heverlee</settlement><settlement type="city">Louvain</settlement></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="2012">2012</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>Data reduction</term><term>Gas to dust ratio</term><term>Metallicity</term><term>Morphology</term><term>Nearest neighbour</term><term>Ring structure</term><term>Spiral galaxies</term><term>Star formation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Galaxies spirales</term><term>Morphologie</term><term>Plus proche voisin</term><term>Formation stellaire</term><term>Réduction donnée</term><term>Structure annulaire</term><term>Rapport gaz poussière</term><term>Métallicité</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Context. We have obtained Herschel images at five wavelengths from 100 to 500 μm of a ∼5.5 x 2.5 degree area centred on the local galaxy M 31 (Andromeda), our nearest neighbour spiral galaxy, as part of the Herschel guaranteed time project "HELGA". The main goals of HELGA are to study the characteristics of the extended dust emission, focusing on larger scales than studied in previous observations of Andromeda at an increased spatial resolution, and the obscured star formation. Aims. In this paper we present data reduction and Herschel maps, and provide a description of the far-infrared morphology, comparing it with features seen at other wavelengths. Methods. We used high-resolution maps of the atomic hydrogen, fully covering our fields, to identify dust emission features that can be associated to M 31 with confidence, distinguishing them from emission coming from the foreground Galactic cirrus. Results. Thanks to the very large extension of our maps we detect, for the first time at far-infrared wavelengths, three arc-like structures extending out to ∼21, ∼26 and ∼31 kpc respectively, in the south-western part of M 31. The presence of these features, hosting ∼2.2 x 10<sup>6</sup> M<sub>◦.</sub> of dust, is safely confirmed by their detection in HI maps. Overall, we estimate a total dust mass of ∼5.8 x 10<sup>7</sup> M<sub>◦.</sub>, about 78% of which is contained in the two main ring-like structures at 10 and 15 kpc, at an average temperature of 16.5 K. We find that the gas-to-dust ratio declines exponentially as a function of the galacto-centric distance, in agreement with the known metallicity gradient, with values ranging from 66 in the nucleus to ∼275 in the outermost region. Conclusions. Dust in M31 extends significantly beyond its optical radius (∼21 kpc) and what was previously mapped in the far-infrared. An annular-like segment, located approximately at R<sub>25</sub>, is clearly detected on both sides of the galaxy, and two other similar annular structures are undoubtedly detected on the south-west side even further out.</div></front></TEI><affiliations><list><country><li>Afrique du Sud</li><li>Allemagne</li><li>Australie</li><li>Belgique</li><li>Canada</li><li>France</li><li>Italie</li><li>Royaume-Uni</li><li>États-Unis</li></country><region><li>Angleterre</li><li>Grand Londres</li><li>Grand Manchester</li><li>Latium</li><li>Massachusetts</li><li>Ontario</li><li>Provence-Alpes-Côte d'Azur</li><li>Province de Flandre-Orientale</li><li>Province du Brabant flamand</li><li>Vienne (Autriche)</li><li>Île-de-France</li></region><settlement><li>Amherst (Massachusetts)</li><li>Gand</li><li>Gif-sur-Yvette</li><li>Hamilton (Ontario)</li><li>Heverlee</li><li>Londres</li><li>Louvain</li><li>Manchester</li><li>Marseille</li><li>Paris</li><li>Rome</li><li>Vienne (Autriche)</li></settlement><orgName><li>University College de Londres</li><li>Université McMaster</li><li>Université de Gand</li><li>Université de Manchester</li><li>Université du Massachusetts</li></orgName></list><tree><country name="Belgique"><region name="Province de Flandre-Orientale"><name sortKey="Fritz, J" sort="Fritz, J" uniqKey="Fritz J" first="J." last="Fritz">J. Fritz</name></region><name sortKey="Baes, M" sort="Baes, M" uniqKey="Baes M" first="M." last="Baes">M. Baes</name><name sortKey="Blommaert, J A D L" sort="Blommaert, J A D L" uniqKey="Blommaert J" first="J. A. D. L." last="Blommaert">J. A. D. L. Blommaert</name><name sortKey="De Looze, I" sort="De Looze, I" uniqKey="De Looze I" first="I." last="De Looze">I. De Looze</name><name sortKey="Gentile, G" sort="Gentile, G" uniqKey="Gentile G" first="G." last="Gentile">G. Gentile</name><name sortKey="Gentile, G" sort="Gentile, G" uniqKey="Gentile G" first="G." last="Gentile">G. Gentile</name><name sortKey="Gordon, K D" sort="Gordon, K D" uniqKey="Gordon K" first="K. D." last="Gordon">K. D. Gordon</name><name sortKey="Verstappen, J" sort="Verstappen, J" uniqKey="Verstappen J" first="J." last="Verstappen">J. Verstappen</name><name sortKey="Waelkens, C" sort="Waelkens, C" uniqKey="Waelkens C" first="C." last="Waelkens">C. Waelkens</name></country><country name="Royaume-Uni"><noRegion><name sortKey="Smith, M W L" sort="Smith, M W L" uniqKey="Smith M" first="M. W. L." last="Smith">M. W. L. Smith</name></noRegion><name sortKey="Bendo, G J" sort="Bendo, G J" uniqKey="Bendo G" first="G. J." last="Bendo">G. J. Bendo</name><name sortKey="Clements, D" sort="Clements, D" uniqKey="Clements D" first="D." last="Clements">D. Clements</name><name sortKey="Eales, S A" sort="Eales, S A" uniqKey="Eales S" first="S. A." last="Eales">S. A. Eales</name><name sortKey="Ford, G P" sort="Ford, G P" uniqKey="Ford G" first="G. P." last="Ford">G. P. Ford</name><name sortKey="Gear, W K" sort="Gear, W K" uniqKey="Gear W" first="W. K." last="Gear">W. K. Gear</name><name sortKey="Gomez, H L" sort="Gomez, H L" uniqKey="Gomez H" first="H. L." last="Gomez">H. L. Gomez</name><name sortKey="Kirk, J" sort="Kirk, J" uniqKey="Kirk J" first="J." last="Kirk">J. Kirk</name><name sortKey="O Halloran, B" sort="O Halloran, B" uniqKey="O Halloran B" first="B." last="O'Halloran">B. O'Halloran</name><name sortKey="Page, M J" sort="Page, M J" uniqKey="Page M" first="M. J." last="Page">M. J. Page</name></country><country name="Australie"><noRegion><name sortKey="Braun, R" sort="Braun, R" uniqKey="Braun R" first="R." last="Braun">R. Braun</name></noRegion></country><country name="États-Unis"><noRegion><name sortKey="Duval, J Roman" sort="Duval, J Roman" uniqKey="Duval J" first="J. Roman" last="Duval">J. Roman Duval</name></noRegion><name sortKey="Boquien, M" sort="Boquien, M" uniqKey="Boquien M" first="M." last="Boquien">M. Boquien</name><name sortKey="Cooray, A R" sort="Cooray, A R" uniqKey="Cooray A" first="A. R." last="Cooray">A. R. Cooray</name><name sortKey="Gordon, K D" sort="Gordon, K D" uniqKey="Gordon K" first="K. D." last="Gordon">K. D. Gordon</name><name sortKey="Thilker, D" sort="Thilker, D" uniqKey="Thilker D" first="D." last="Thilker">D. Thilker</name></country><country name="France"><region name="Provence-Alpes-Côte d'Azur"><name sortKey="Boquien, M" sort="Boquien, M" uniqKey="Boquien M" first="M." last="Boquien">M. Boquien</name></region><name sortKey="Boselli, A" sort="Boselli, A" uniqKey="Boselli A" first="A." last="Boselli">A. Boselli</name><name sortKey="Galliano, F" sort="Galliano, F" uniqKey="Galliano F" first="F." last="Galliano">F. Galliano</name><name sortKey="Lebouteiller, V" sort="Lebouteiller, V" uniqKey="Lebouteiller V" first="V." last="Lebouteiller">V. Lebouteiller</name><name sortKey="Madden, S C" sort="Madden, S C" uniqKey="Madden S" first="S. C." last="Madden">S. C. Madden</name><name sortKey="Remy, A" sort="Remy, A" uniqKey="Remy A" first="A." last="Remy">A. Remy</name><name sortKey="Roussel, H" sort="Roussel, H" uniqKey="Roussel H" first="H." last="Roussel">H. Roussel</name></country><country name="Allemagne"><noRegion><name sortKey="Cortese, L" sort="Cortese, L" uniqKey="Cortese L" first="L." last="Cortese">L. Cortese</name></noRegion></country><country name="Italie"><region name="Latium"><name sortKey="Spinoglio, L" sort="Spinoglio, L" uniqKey="Spinoglio L" first="L." last="Spinoglio">L. Spinoglio</name></region></country><country name="Afrique du Sud"><noRegion><name sortKey="Vaccari, M" sort="Vaccari, M" uniqKey="Vaccari M" first="M." last="Vaccari">M. Vaccari</name></noRegion></country><country name="Canada"><region name="Ontario"><name sortKey="Wilson, C D" sort="Wilson, C D" uniqKey="Wilson C" first="C. D." last="Wilson">C. D. Wilson</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Wicri/Asie/explor/AustralieFrV1/Data/Main/Exploration
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 005847 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd -nk 005847 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien
|wiki= Wicri/Asie
|area= AustralieFrV1
|flux= Main
|étape= Exploration
|type= RBID
|clé= Pascal:13-0044989
|texte= The Herschel* Exploitation of Local Galaxy Andromeda (HELGA) I. Global far-infrared and sub-mm morphology
}}
| This area was generated with Dilib version V0.6.33. |  |