FOUR HIGHLY DISPERSED MILLISECOND PULSARS DISCOVERED IN THE ARECIBO PALFA GALACTIC PLANE SURVEY
Identifieur interne : 005C60 ( Main/Exploration ); précédent : 005C59; suivant : 005C61FOUR HIGHLY DISPERSED MILLISECOND PULSARS DISCOVERED IN THE ARECIBO PALFA GALACTIC PLANE SURVEY
Auteurs : F. Crawford [États-Unis] ; K. Stovall [États-Unis] ; A. G. Lyne [Royaume-Uni] ; B. W. Stappers [Royaume-Uni] ; D. J. Nice [États-Unis] ; I. H. Stairs [Canada] ; P. Lazarus [Canada, Allemagne] ; J. W. T. Hessels [Pays-Bas] ; P. C. C. Freire [Allemagne] ; B. Allen [Allemagne, États-Unis] ; N. D. R. Bhat [Australie] ; S. Bogdanov [États-Unis] ; A. Brazier [États-Unis] ; F. Camilo [Australie, États-Unis] ; D. J. Champion [Allemagne] ; S. Chatterjee [États-Unis] ; I. Cognard [France] ; J. M. Cordes [États-Unis] ; J. S. Deneva [États-Unis] ; G. Desvignes [Allemagne, France] ; F. A. Jenet [États-Unis] ; V. M. Kaspi [Canada] ; B. Knispel [Allemagne] ; M. Kramer [Allemagne] ; J. Van Leeuwen [Pays-Bas] ; D. R. Lorimer [États-Unis] ; R. Lynch [Canada] ; M. A. Mclaughlin [États-Unis] ; S. M. Ransom [États-Unis] ; P. Scholz [Canada] ; X. Siemens [États-Unis] ; A. Venkataraman [États-Unis]Source :
- The Astrophysical journal [ 0004-637X ] ; 2012.
Descripteurs français
- Pascal (Inist)
English descriptors
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Abstract
We present the discovery and phase-coherent timing of four highly dispersed millisecond pulsars (MSPs) from the Arecibo PALFA Galactic plane survey: PSRs J1844+0115, J1850+0124, J1900+0308, and J1944+2236. Three of the four pulsars are in binary systems with low-mass companions, which are most likely white dwarfs, and which have orbital periods on the order of days. The fourth pulsar is isolated. All four pulsars have large dispersion measures (DM > 100 pc cm-3). are distant (?3.4 kpc), faint at 1.4 GHz (?0.2 mJy), and are fully recycled (with spin periods P between 3.5 and 4.9 ms). The three binaries also have very small orbital eccentricities, as expected for tidally circularized, fully recycled systems with low-mass companions. These four pulsars have DM/P ratios that are among the highest values for field MSPs in the Galaxy. These discoveries bring the total number of confirmed MSPs from the PALFA survey to 15. The discovery of these MSPs illustrates the power of PALFA for finding weak, distant MSPs at low-Galactic latitudes. This is important for accurate estimates of the Galactic MSP population and for the number of MSPs that the Square Kilometer Array can be expected to detect.
Affiliations:
- Allemagne, Australie, Canada, France, Pays-Bas, Royaume-Uni, États-Unis
- Angleterre, Basse-Saxe, Centre-Val de Loire, District de Cologne, Grand Manchester, Hollande-Septentrionale, Rhénanie-du-Nord-Westphalie, Région Centre, État de New York
- Amsterdam, Bonn, Hanovre, Ithaca (New York), Manchester, Nancay, New York, Orléans
- Université Columbia, Université Cornell, Université d'Amsterdam, Université d'Orléans, Université de Manchester
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Stovall</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Center for Gravitational Wave Astronomy, University of Texas at Brownsville</s1><s2>Brownsville, TX 78520</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Brownsville, TX 78520</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Physics and Astronomy. University of Texas at San Antonio</s1><s2>San Antonio, TX 78249</s2><s3>USA</s3><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Department of Physics and Astronomy. University of Texas at San Antonio</wicri:noRegion></affiliation></author><author><name sortKey="Lyne, A G" sort="Lyne, A G" uniqKey="Lyne A" first="A. G." last="Lyne">A. G. Lyne</name><affiliation wicri:level="4"><inist:fA14 i1="04"><s1>Jodrell Bank Centre for Astrophysics, University of Manchester</s1><s2>Manchester M 13 9PL</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Royaume-Uni</country><placeName><settlement type="city">Manchester</settlement><region type="nation">Angleterre</region><region nuts="2" type="region">Grand Manchester</region></placeName><orgName type="university">Université de Manchester</orgName></affiliation></author><author><name sortKey="Stappers, B W" sort="Stappers, B W" uniqKey="Stappers B" first="B. W." last="Stappers">B. W. Stappers</name><affiliation wicri:level="4"><inist:fA14 i1="04"><s1>Jodrell Bank Centre for Astrophysics, University of Manchester</s1><s2>Manchester M 13 9PL</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Royaume-Uni</country><placeName><settlement type="city">Manchester</settlement><region type="nation">Angleterre</region><region nuts="2" type="region">Grand Manchester</region></placeName><orgName type="university">Université de Manchester</orgName></affiliation></author><author><name sortKey="Nice, D J" sort="Nice, D J" uniqKey="Nice D" first="D. J." last="Nice">D. J. Nice</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Department of Physics, Lafayette College</s1><s2>Easton, PA 18042</s2><s3>USA</s3><sZ>5 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Easton, PA 18042</wicri:noRegion></affiliation></author><author><name sortKey="Stairs, I H" sort="Stairs, I H" uniqKey="Stairs I" first="I. H." last="Stairs">I. H. Stairs</name><affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road</s1><s2>Vancouver, BC V6T 1Z1</s2><s3>CAN</s3><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Vancouver, BC V6T 1Z1</wicri:noRegion></affiliation></author><author><name sortKey="Lazarus, P" sort="Lazarus, P" uniqKey="Lazarus P" first="P." last="Lazarus">P. Lazarus</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Department of Physics. McGill University, 3600 University Street</s1><s2>Montreal, QC H3A 2T8</s2><s3>CAN</s3><sZ>7 aut.</sZ><sZ>22 aut.</sZ><sZ>27 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion></affiliation><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Max-Planck-Institut für Radioastronomie, auf dem Huegel 69</s1><s2>53121 Bonn</s2><s3>DEU</s3><sZ>7 aut.</sZ><sZ>9 aut.</sZ><sZ>15 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Bonn</settlement></placeName></affiliation></author><author><name sortKey="Hessels, J W T" sort="Hessels, J W T" uniqKey="Hessels J" first="J. W. T." last="Hessels">J. W. T. Hessels</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>ASTRON, The Netherlands Institute for Radio Astronomy, Postbus 2</s1><s2>7990 Dwingeloo</s2><s3>NLD</s3><sZ>8 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>7990 Dwingeloo</wicri:noRegion></affiliation><affiliation wicri:level="4"><inist:fA14 i1="10"><s1>Astronomical Institute "Anton Pannekoek," University of Amsterdam, Science Park 904</s1><s2>1098 Amsterdam</s2><s3>NLD</s3><sZ>8 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Pays-Bas</country><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region><settlement type="city">Amsterdam</settlement></placeName><orgName type="university">Université d'Amsterdam</orgName></affiliation></author><author><name sortKey="Freire, P C C" sort="Freire, P C C" uniqKey="Freire P" first="P. C. C." last="Freire">P. C. C. Freire</name><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Max-Planck-Institut für Radioastronomie, auf dem Huegel 69</s1><s2>53121 Bonn</s2><s3>DEU</s3><sZ>7 aut.</sZ><sZ>9 aut.</sZ><sZ>15 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Bonn</settlement></placeName></affiliation></author><author><name sortKey="Allen, B" sort="Allen, B" uniqKey="Allen B" first="B." last="Allen">B. Allen</name><affiliation wicri:level="3"><inist:fA14 i1="11"><s1>Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik</s1><s2>30167 Hannover</s2><s3>DEU</s3><sZ>10 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Hanovre</settlement></placeName></affiliation><affiliation wicri:level="3"><inist:fA14 i1="12"><s1>Institut für Gravitationsphysik, Leibniz Universität Hannover</s1><s2>30167 Hannover</s2><s3>DEU</s3><sZ>10 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Hanovre</settlement></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Physics Department, University of Wisconsin at Milwaukee</s1><s2>Milwaukee, WI 53211</s2><s3>USA</s3><sZ>10 aut.</sZ><sZ>31 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Milwaukee, WI 53211</wicri:noRegion></affiliation></author><author><name sortKey="Bhat, N D R" sort="Bhat, N D R" uniqKey="Bhat N" first="N. D. R." last="Bhat">N. D. R. Bhat</name><affiliation wicri:level="1"><inist:fA14 i1="14"><s1>Center for Astrophysics and Supercomputing, Swinburne University</s1><s2>Hawthorn, Victoria 3122</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>14 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Hawthorn, Victoria 3122</wicri:noRegion></affiliation></author><author><name sortKey="Bogdanov, S" sort="Bogdanov, S" uniqKey="Bogdanov S" first="S." last="Bogdanov">S. Bogdanov</name><affiliation wicri:level="4"><inist:fA14 i1="15"><s1>Columbia Astrophysics Laboratory, Columbia University</s1><s2>New York, NY 10027</s2><s3>USA</s3><sZ>12 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">New York</settlement><region type="state">État de New York</region></placeName><orgName type="university">Université Columbia</orgName></affiliation></author><author><name sortKey="Brazier, A" sort="Brazier, A" uniqKey="Brazier A" first="A." last="Brazier">A. Brazier</name><affiliation wicri:level="4"><inist:fA14 i1="16"><s1>Astronomy Department, Cornell University</s1><s2>Ithaca, NY 14853</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Ithaca (New York)</settlement><region type="state">État de New York</region></placeName><orgName type="university">Université Cornell</orgName></affiliation></author><author><name sortKey="Camilo, F" sort="Camilo, F" uniqKey="Camilo F" first="F." last="Camilo">F. Camilo</name><affiliation wicri:level="1"><inist:fA14 i1="14"><s1>Center for Astrophysics and Supercomputing, Swinburne University</s1><s2>Hawthorn, Victoria 3122</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>14 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Hawthorn, Victoria 3122</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>Arecibo Observatory, HC3 Box 53995</s1><s2>Arecibo, PR 00612</s2><s3>USA</s3><sZ>14 aut.</sZ><sZ>19 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Arecibo, PR 00612</wicri:noRegion></affiliation></author><author><name sortKey="Champion, D J" sort="Champion, D J" uniqKey="Champion D" first="D. J." last="Champion">D. J. Champion</name><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Max-Planck-Institut für Radioastronomie, auf dem Huegel 69</s1><s2>53121 Bonn</s2><s3>DEU</s3><sZ>7 aut.</sZ><sZ>9 aut.</sZ><sZ>15 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Bonn</settlement></placeName></affiliation></author><author><name sortKey="Chatterjee, S" sort="Chatterjee, S" uniqKey="Chatterjee S" first="S." last="Chatterjee">S. Chatterjee</name><affiliation wicri:level="4"><inist:fA14 i1="16"><s1>Astronomy Department, Cornell University</s1><s2>Ithaca, NY 14853</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Ithaca (New York)</settlement><region type="state">État de New York</region></placeName><orgName type="university">Université Cornell</orgName></affiliation></author><author><name sortKey="Cognard, I" sort="Cognard, I" uniqKey="Cognard I" first="I." last="Cognard">I. Cognard</name><affiliation wicri:level="4"><inist:fA14 i1="18"><s1>Laboratoire de Physique et Chimie de l'Environnement et de l'Espace, LPC2E, CNRS et Université d'Orléans, and Station de radioastronomie de Nançay, Observatoire de Paris</s1><s2>18330 Nancay</s2><s3>FRA</s3><sZ>17 aut.</sZ><sZ>20 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Centre-Val de Loire</region><region type="old region" nuts="2">Région Centre</region><settlement type="city">Nancay</settlement><settlement type="city">Orléans</settlement></placeName><orgName type="university">Université d'Orléans</orgName></affiliation></author><author><name sortKey="Cordes, J M" sort="Cordes, J M" uniqKey="Cordes J" first="J. M." last="Cordes">J. M. Cordes</name><affiliation wicri:level="4"><inist:fA14 i1="16"><s1>Astronomy Department, Cornell University</s1><s2>Ithaca, NY 14853</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Ithaca (New York)</settlement><region type="state">État de New York</region></placeName><orgName type="university">Université Cornell</orgName></affiliation></author><author><name sortKey="Deneva, J S" sort="Deneva, J S" uniqKey="Deneva J" first="J. S." last="Deneva">J. S. Deneva</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>Arecibo Observatory, HC3 Box 53995</s1><s2>Arecibo, PR 00612</s2><s3>USA</s3><sZ>14 aut.</sZ><sZ>19 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Arecibo, PR 00612</wicri:noRegion></affiliation></author><author><name sortKey="Desvignes, G" sort="Desvignes, G" uniqKey="Desvignes G" first="G." last="Desvignes">G. Desvignes</name><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Max-Planck-Institut für Radioastronomie, auf dem Huegel 69</s1><s2>53121 Bonn</s2><s3>DEU</s3><sZ>7 aut.</sZ><sZ>9 aut.</sZ><sZ>15 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Bonn</settlement></placeName></affiliation><affiliation wicri:level="4"><inist:fA14 i1="18"><s1>Laboratoire de Physique et Chimie de l'Environnement et de l'Espace, LPC2E, CNRS et Université d'Orléans, and Station de radioastronomie de Nançay, Observatoire de Paris</s1><s2>18330 Nancay</s2><s3>FRA</s3><sZ>17 aut.</sZ><sZ>20 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>18330 Nancay</wicri:noRegion><wicri:noRegion>Observatoire de Paris</wicri:noRegion><wicri:noRegion>18330 Nancay</wicri:noRegion><orgName type="university">Université d'Orléans</orgName><placeName><settlement type="city">Orléans</settlement><region type="old region" nuts="2">Région Centre</region><region type="region" nuts="2">Centre-Val de Loire</region></placeName></affiliation></author><author><name sortKey="Jenet, F A" sort="Jenet, F A" uniqKey="Jenet F" first="F. A." last="Jenet">F. A. Jenet</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Center for Gravitational Wave Astronomy, University of Texas at Brownsville</s1><s2>Brownsville, TX 78520</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Brownsville, TX 78520</wicri:noRegion></affiliation></author><author><name sortKey="Kaspi, V M" sort="Kaspi, V M" uniqKey="Kaspi V" first="V. M." last="Kaspi">V. M. Kaspi</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Department of Physics. McGill University, 3600 University Street</s1><s2>Montreal, QC H3A 2T8</s2><s3>CAN</s3><sZ>7 aut.</sZ><sZ>22 aut.</sZ><sZ>27 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion></affiliation></author><author><name sortKey="Knispel, B" sort="Knispel, B" uniqKey="Knispel B" first="B." last="Knispel">B. Knispel</name><affiliation wicri:level="3"><inist:fA14 i1="11"><s1>Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik</s1><s2>30167 Hannover</s2><s3>DEU</s3><sZ>10 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Hanovre</settlement></placeName></affiliation><affiliation wicri:level="3"><inist:fA14 i1="12"><s1>Institut für Gravitationsphysik, Leibniz Universität Hannover</s1><s2>30167 Hannover</s2><s3>DEU</s3><sZ>10 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Hanovre</settlement></placeName></affiliation></author><author><name sortKey="Kramer, M" sort="Kramer, M" uniqKey="Kramer M" first="M." last="Kramer">M. Kramer</name><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Max-Planck-Institut für Radioastronomie, auf dem Huegel 69</s1><s2>53121 Bonn</s2><s3>DEU</s3><sZ>7 aut.</sZ><sZ>9 aut.</sZ><sZ>15 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Bonn</settlement></placeName></affiliation></author><author><name sortKey="Van Leeuwen, J" sort="Van Leeuwen, J" uniqKey="Van Leeuwen J" first="J." last="Van Leeuwen">J. Van Leeuwen</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>ASTRON, The Netherlands Institute for Radio Astronomy, Postbus 2</s1><s2>7990 Dwingeloo</s2><s3>NLD</s3><sZ>8 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>7990 Dwingeloo</wicri:noRegion></affiliation><affiliation wicri:level="4"><inist:fA14 i1="10"><s1>Astronomical Institute "Anton Pannekoek," University of Amsterdam, Science Park 904</s1><s2>1098 Amsterdam</s2><s3>NLD</s3><sZ>8 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Pays-Bas</country><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region><settlement type="city">Amsterdam</settlement></placeName><orgName type="university">Université d'Amsterdam</orgName></affiliation></author><author><name sortKey="Lorimer, D R" sort="Lorimer, D R" uniqKey="Lorimer D" first="D. R." last="Lorimer">D. R. Lorimer</name><affiliation wicri:level="1"><inist:fA14 i1="19"><s1>Department of Physics, West Virginia University</s1><s2>Morgantown, WV 26506</s2><s3>USA</s3><sZ>26 aut.</sZ><sZ>28 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Morgantown, WV 26506</wicri:noRegion></affiliation></author><author><name sortKey="Lynch, R" sort="Lynch, R" uniqKey="Lynch R" first="R." last="Lynch">R. Lynch</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Department of Physics. McGill University, 3600 University Street</s1><s2>Montreal, QC H3A 2T8</s2><s3>CAN</s3><sZ>7 aut.</sZ><sZ>22 aut.</sZ><sZ>27 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion></affiliation></author><author><name sortKey="Mclaughlin, M A" sort="Mclaughlin, M A" uniqKey="Mclaughlin M" first="M. A." last="Mclaughlin">M. A. Mclaughlin</name><affiliation wicri:level="1"><inist:fA14 i1="19"><s1>Department of Physics, West Virginia University</s1><s2>Morgantown, WV 26506</s2><s3>USA</s3><sZ>26 aut.</sZ><sZ>28 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Morgantown, WV 26506</wicri:noRegion></affiliation></author><author><name sortKey="Ransom, S M" sort="Ransom, S M" uniqKey="Ransom S" first="S. M." last="Ransom">S. M. Ransom</name><affiliation wicri:level="1"><inist:fA14 i1="20"><s1>National Radio Astronomy Observatory, 520 Edgemont Road</s1><s2>Charlottesville. VA 22903</s2><s3>USA</s3><sZ>29 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Charlottesville. VA 22903</wicri:noRegion></affiliation></author><author><name sortKey="Scholz, P" sort="Scholz, P" uniqKey="Scholz P" first="P." last="Scholz">P. Scholz</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Department of Physics. McGill University, 3600 University Street</s1><s2>Montreal, QC H3A 2T8</s2><s3>CAN</s3><sZ>7 aut.</sZ><sZ>22 aut.</sZ><sZ>27 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion></affiliation></author><author><name sortKey="Siemens, X" sort="Siemens, X" uniqKey="Siemens X" first="X." last="Siemens">X. Siemens</name><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Physics Department, University of Wisconsin at Milwaukee</s1><s2>Milwaukee, WI 53211</s2><s3>USA</s3><sZ>10 aut.</sZ><sZ>31 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Milwaukee, WI 53211</wicri:noRegion></affiliation></author><author><name sortKey="Venkataraman, A" sort="Venkataraman, A" uniqKey="Venkataraman A" first="A." last="Venkataraman">A. Venkataraman</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>Arecibo Observatory, HC3 Box 53995</s1><s2>Arecibo, PR 00612</s2><s3>USA</s3><sZ>14 aut.</sZ><sZ>19 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Arecibo, PR 00612</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">12-0384685</idno><date when="2012">2012</date><idno type="stanalyst">PASCAL 12-0384685 INIST</idno><idno type="RBID">Pascal:12-0384685</idno><idno type="wicri:Area/PascalFrancis/Corpus">000F70</idno><idno type="wicri:Area/PascalFrancis/Curation">004F48</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">001131</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">001131</idno><idno type="wicri:doubleKey">0004-637X:2012:Crawford F:four:highly:dispersed</idno><idno type="wicri:Area/Main/Merge">005F66</idno><idno type="wicri:Area/Main/Curation">005C60</idno><idno type="wicri:Area/Main/Exploration">005C60</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">FOUR HIGHLY DISPERSED MILLISECOND PULSARS DISCOVERED IN THE ARECIBO PALFA GALACTIC PLANE SURVEY</title><author><name sortKey="Crawford, F" sort="Crawford, F" uniqKey="Crawford F" first="F." last="Crawford">F. Crawford</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Physics and Astronomy, Franklin and Marshall College, P.O. Box 3003</s1><s2>Lancaster, PA 17604</s2><s3>USA</s3><sZ>1 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Lancaster, PA 17604</wicri:noRegion></affiliation></author><author><name sortKey="Stovall, K" sort="Stovall, K" uniqKey="Stovall K" first="K." last="Stovall">K. Stovall</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Center for Gravitational Wave Astronomy, University of Texas at Brownsville</s1><s2>Brownsville, TX 78520</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Brownsville, TX 78520</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Physics and Astronomy. University of Texas at San Antonio</s1><s2>San Antonio, TX 78249</s2><s3>USA</s3><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Department of Physics and Astronomy. University of Texas at San Antonio</wicri:noRegion></affiliation></author><author><name sortKey="Lyne, A G" sort="Lyne, A G" uniqKey="Lyne A" first="A. G." last="Lyne">A. G. Lyne</name><affiliation wicri:level="4"><inist:fA14 i1="04"><s1>Jodrell Bank Centre for Astrophysics, University of Manchester</s1><s2>Manchester M 13 9PL</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Royaume-Uni</country><placeName><settlement type="city">Manchester</settlement><region type="nation">Angleterre</region><region nuts="2" type="region">Grand Manchester</region></placeName><orgName type="university">Université de Manchester</orgName></affiliation></author><author><name sortKey="Stappers, B W" sort="Stappers, B W" uniqKey="Stappers B" first="B. W." last="Stappers">B. W. Stappers</name><affiliation wicri:level="4"><inist:fA14 i1="04"><s1>Jodrell Bank Centre for Astrophysics, University of Manchester</s1><s2>Manchester M 13 9PL</s2><s3>GBR</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Royaume-Uni</country><placeName><settlement type="city">Manchester</settlement><region type="nation">Angleterre</region><region nuts="2" type="region">Grand Manchester</region></placeName><orgName type="university">Université de Manchester</orgName></affiliation></author><author><name sortKey="Nice, D J" sort="Nice, D J" uniqKey="Nice D" first="D. J." last="Nice">D. J. Nice</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Department of Physics, Lafayette College</s1><s2>Easton, PA 18042</s2><s3>USA</s3><sZ>5 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Easton, PA 18042</wicri:noRegion></affiliation></author><author><name sortKey="Stairs, I H" sort="Stairs, I H" uniqKey="Stairs I" first="I. H." last="Stairs">I. H. Stairs</name><affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road</s1><s2>Vancouver, BC V6T 1Z1</s2><s3>CAN</s3><sZ>6 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Vancouver, BC V6T 1Z1</wicri:noRegion></affiliation></author><author><name sortKey="Lazarus, P" sort="Lazarus, P" uniqKey="Lazarus P" first="P." last="Lazarus">P. Lazarus</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Department of Physics. McGill University, 3600 University Street</s1><s2>Montreal, QC H3A 2T8</s2><s3>CAN</s3><sZ>7 aut.</sZ><sZ>22 aut.</sZ><sZ>27 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion></affiliation><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Max-Planck-Institut für Radioastronomie, auf dem Huegel 69</s1><s2>53121 Bonn</s2><s3>DEU</s3><sZ>7 aut.</sZ><sZ>9 aut.</sZ><sZ>15 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Bonn</settlement></placeName></affiliation></author><author><name sortKey="Hessels, J W T" sort="Hessels, J W T" uniqKey="Hessels J" first="J. W. T." last="Hessels">J. W. T. Hessels</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>ASTRON, The Netherlands Institute for Radio Astronomy, Postbus 2</s1><s2>7990 Dwingeloo</s2><s3>NLD</s3><sZ>8 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>7990 Dwingeloo</wicri:noRegion></affiliation><affiliation wicri:level="4"><inist:fA14 i1="10"><s1>Astronomical Institute "Anton Pannekoek," University of Amsterdam, Science Park 904</s1><s2>1098 Amsterdam</s2><s3>NLD</s3><sZ>8 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Pays-Bas</country><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region><settlement type="city">Amsterdam</settlement></placeName><orgName type="university">Université d'Amsterdam</orgName></affiliation></author><author><name sortKey="Freire, P C C" sort="Freire, P C C" uniqKey="Freire P" first="P. C. C." last="Freire">P. C. C. Freire</name><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Max-Planck-Institut für Radioastronomie, auf dem Huegel 69</s1><s2>53121 Bonn</s2><s3>DEU</s3><sZ>7 aut.</sZ><sZ>9 aut.</sZ><sZ>15 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Bonn</settlement></placeName></affiliation></author><author><name sortKey="Allen, B" sort="Allen, B" uniqKey="Allen B" first="B." last="Allen">B. Allen</name><affiliation wicri:level="3"><inist:fA14 i1="11"><s1>Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik</s1><s2>30167 Hannover</s2><s3>DEU</s3><sZ>10 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Hanovre</settlement></placeName></affiliation><affiliation wicri:level="3"><inist:fA14 i1="12"><s1>Institut für Gravitationsphysik, Leibniz Universität Hannover</s1><s2>30167 Hannover</s2><s3>DEU</s3><sZ>10 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Hanovre</settlement></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Physics Department, University of Wisconsin at Milwaukee</s1><s2>Milwaukee, WI 53211</s2><s3>USA</s3><sZ>10 aut.</sZ><sZ>31 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Milwaukee, WI 53211</wicri:noRegion></affiliation></author><author><name sortKey="Bhat, N D R" sort="Bhat, N D R" uniqKey="Bhat N" first="N. D. R." last="Bhat">N. D. R. Bhat</name><affiliation wicri:level="1"><inist:fA14 i1="14"><s1>Center for Astrophysics and Supercomputing, Swinburne University</s1><s2>Hawthorn, Victoria 3122</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>14 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Hawthorn, Victoria 3122</wicri:noRegion></affiliation></author><author><name sortKey="Bogdanov, S" sort="Bogdanov, S" uniqKey="Bogdanov S" first="S." last="Bogdanov">S. Bogdanov</name><affiliation wicri:level="4"><inist:fA14 i1="15"><s1>Columbia Astrophysics Laboratory, Columbia University</s1><s2>New York, NY 10027</s2><s3>USA</s3><sZ>12 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">New York</settlement><region type="state">État de New York</region></placeName><orgName type="university">Université Columbia</orgName></affiliation></author><author><name sortKey="Brazier, A" sort="Brazier, A" uniqKey="Brazier A" first="A." last="Brazier">A. Brazier</name><affiliation wicri:level="4"><inist:fA14 i1="16"><s1>Astronomy Department, Cornell University</s1><s2>Ithaca, NY 14853</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Ithaca (New York)</settlement><region type="state">État de New York</region></placeName><orgName type="university">Université Cornell</orgName></affiliation></author><author><name sortKey="Camilo, F" sort="Camilo, F" uniqKey="Camilo F" first="F." last="Camilo">F. Camilo</name><affiliation wicri:level="1"><inist:fA14 i1="14"><s1>Center for Astrophysics and Supercomputing, Swinburne University</s1><s2>Hawthorn, Victoria 3122</s2><s3>AUS</s3><sZ>11 aut.</sZ><sZ>14 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Hawthorn, Victoria 3122</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>Arecibo Observatory, HC3 Box 53995</s1><s2>Arecibo, PR 00612</s2><s3>USA</s3><sZ>14 aut.</sZ><sZ>19 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Arecibo, PR 00612</wicri:noRegion></affiliation></author><author><name sortKey="Champion, D J" sort="Champion, D J" uniqKey="Champion D" first="D. J." last="Champion">D. J. Champion</name><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Max-Planck-Institut für Radioastronomie, auf dem Huegel 69</s1><s2>53121 Bonn</s2><s3>DEU</s3><sZ>7 aut.</sZ><sZ>9 aut.</sZ><sZ>15 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Bonn</settlement></placeName></affiliation></author><author><name sortKey="Chatterjee, S" sort="Chatterjee, S" uniqKey="Chatterjee S" first="S." last="Chatterjee">S. Chatterjee</name><affiliation wicri:level="4"><inist:fA14 i1="16"><s1>Astronomy Department, Cornell University</s1><s2>Ithaca, NY 14853</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Ithaca (New York)</settlement><region type="state">État de New York</region></placeName><orgName type="university">Université Cornell</orgName></affiliation></author><author><name sortKey="Cognard, I" sort="Cognard, I" uniqKey="Cognard I" first="I." last="Cognard">I. Cognard</name><affiliation wicri:level="4"><inist:fA14 i1="18"><s1>Laboratoire de Physique et Chimie de l'Environnement et de l'Espace, LPC2E, CNRS et Université d'Orléans, and Station de radioastronomie de Nançay, Observatoire de Paris</s1><s2>18330 Nancay</s2><s3>FRA</s3><sZ>17 aut.</sZ><sZ>20 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Centre-Val de Loire</region><region type="old region" nuts="2">Région Centre</region><settlement type="city">Nancay</settlement><settlement type="city">Orléans</settlement></placeName><orgName type="university">Université d'Orléans</orgName></affiliation></author><author><name sortKey="Cordes, J M" sort="Cordes, J M" uniqKey="Cordes J" first="J. M." last="Cordes">J. M. Cordes</name><affiliation wicri:level="4"><inist:fA14 i1="16"><s1>Astronomy Department, Cornell University</s1><s2>Ithaca, NY 14853</s2><s3>USA</s3><sZ>13 aut.</sZ><sZ>16 aut.</sZ><sZ>18 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Ithaca (New York)</settlement><region type="state">État de New York</region></placeName><orgName type="university">Université Cornell</orgName></affiliation></author><author><name sortKey="Deneva, J S" sort="Deneva, J S" uniqKey="Deneva J" first="J. S." last="Deneva">J. S. Deneva</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>Arecibo Observatory, HC3 Box 53995</s1><s2>Arecibo, PR 00612</s2><s3>USA</s3><sZ>14 aut.</sZ><sZ>19 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Arecibo, PR 00612</wicri:noRegion></affiliation></author><author><name sortKey="Desvignes, G" sort="Desvignes, G" uniqKey="Desvignes G" first="G." last="Desvignes">G. Desvignes</name><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Max-Planck-Institut für Radioastronomie, auf dem Huegel 69</s1><s2>53121 Bonn</s2><s3>DEU</s3><sZ>7 aut.</sZ><sZ>9 aut.</sZ><sZ>15 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Bonn</settlement></placeName></affiliation><affiliation wicri:level="4"><inist:fA14 i1="18"><s1>Laboratoire de Physique et Chimie de l'Environnement et de l'Espace, LPC2E, CNRS et Université d'Orléans, and Station de radioastronomie de Nançay, Observatoire de Paris</s1><s2>18330 Nancay</s2><s3>FRA</s3><sZ>17 aut.</sZ><sZ>20 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>18330 Nancay</wicri:noRegion><wicri:noRegion>Observatoire de Paris</wicri:noRegion><wicri:noRegion>18330 Nancay</wicri:noRegion><orgName type="university">Université d'Orléans</orgName><placeName><settlement type="city">Orléans</settlement><region type="old region" nuts="2">Région Centre</region><region type="region" nuts="2">Centre-Val de Loire</region></placeName></affiliation></author><author><name sortKey="Jenet, F A" sort="Jenet, F A" uniqKey="Jenet F" first="F. A." last="Jenet">F. A. Jenet</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Center for Gravitational Wave Astronomy, University of Texas at Brownsville</s1><s2>Brownsville, TX 78520</s2><s3>USA</s3><sZ>2 aut.</sZ><sZ>21 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Brownsville, TX 78520</wicri:noRegion></affiliation></author><author><name sortKey="Kaspi, V M" sort="Kaspi, V M" uniqKey="Kaspi V" first="V. M." last="Kaspi">V. M. Kaspi</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Department of Physics. McGill University, 3600 University Street</s1><s2>Montreal, QC H3A 2T8</s2><s3>CAN</s3><sZ>7 aut.</sZ><sZ>22 aut.</sZ><sZ>27 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion></affiliation></author><author><name sortKey="Knispel, B" sort="Knispel, B" uniqKey="Knispel B" first="B." last="Knispel">B. Knispel</name><affiliation wicri:level="3"><inist:fA14 i1="11"><s1>Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik</s1><s2>30167 Hannover</s2><s3>DEU</s3><sZ>10 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Hanovre</settlement></placeName></affiliation><affiliation wicri:level="3"><inist:fA14 i1="12"><s1>Institut für Gravitationsphysik, Leibniz Universität Hannover</s1><s2>30167 Hannover</s2><s3>DEU</s3><sZ>10 aut.</sZ><sZ>23 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Hanovre</settlement></placeName></affiliation></author><author><name sortKey="Kramer, M" sort="Kramer, M" uniqKey="Kramer M" first="M." last="Kramer">M. Kramer</name><affiliation wicri:level="3"><inist:fA14 i1="08"><s1>Max-Planck-Institut für Radioastronomie, auf dem Huegel 69</s1><s2>53121 Bonn</s2><s3>DEU</s3><sZ>7 aut.</sZ><sZ>9 aut.</sZ><sZ>15 aut.</sZ><sZ>20 aut.</sZ><sZ>24 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Bonn</settlement></placeName></affiliation></author><author><name sortKey="Van Leeuwen, J" sort="Van Leeuwen, J" uniqKey="Van Leeuwen J" first="J." last="Van Leeuwen">J. Van Leeuwen</name><affiliation wicri:level="1"><inist:fA14 i1="09"><s1>ASTRON, The Netherlands Institute for Radio Astronomy, Postbus 2</s1><s2>7990 Dwingeloo</s2><s3>NLD</s3><sZ>8 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>7990 Dwingeloo</wicri:noRegion></affiliation><affiliation wicri:level="4"><inist:fA14 i1="10"><s1>Astronomical Institute "Anton Pannekoek," University of Amsterdam, Science Park 904</s1><s2>1098 Amsterdam</s2><s3>NLD</s3><sZ>8 aut.</sZ><sZ>25 aut.</sZ></inist:fA14><country>Pays-Bas</country><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region><settlement type="city">Amsterdam</settlement></placeName><orgName type="university">Université d'Amsterdam</orgName></affiliation></author><author><name sortKey="Lorimer, D R" sort="Lorimer, D R" uniqKey="Lorimer D" first="D. R." last="Lorimer">D. R. Lorimer</name><affiliation wicri:level="1"><inist:fA14 i1="19"><s1>Department of Physics, West Virginia University</s1><s2>Morgantown, WV 26506</s2><s3>USA</s3><sZ>26 aut.</sZ><sZ>28 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Morgantown, WV 26506</wicri:noRegion></affiliation></author><author><name sortKey="Lynch, R" sort="Lynch, R" uniqKey="Lynch R" first="R." last="Lynch">R. Lynch</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Department of Physics. McGill University, 3600 University Street</s1><s2>Montreal, QC H3A 2T8</s2><s3>CAN</s3><sZ>7 aut.</sZ><sZ>22 aut.</sZ><sZ>27 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion></affiliation></author><author><name sortKey="Mclaughlin, M A" sort="Mclaughlin, M A" uniqKey="Mclaughlin M" first="M. A." last="Mclaughlin">M. A. Mclaughlin</name><affiliation wicri:level="1"><inist:fA14 i1="19"><s1>Department of Physics, West Virginia University</s1><s2>Morgantown, WV 26506</s2><s3>USA</s3><sZ>26 aut.</sZ><sZ>28 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Morgantown, WV 26506</wicri:noRegion></affiliation></author><author><name sortKey="Ransom, S M" sort="Ransom, S M" uniqKey="Ransom S" first="S. M." last="Ransom">S. M. Ransom</name><affiliation wicri:level="1"><inist:fA14 i1="20"><s1>National Radio Astronomy Observatory, 520 Edgemont Road</s1><s2>Charlottesville. VA 22903</s2><s3>USA</s3><sZ>29 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Charlottesville. VA 22903</wicri:noRegion></affiliation></author><author><name sortKey="Scholz, P" sort="Scholz, P" uniqKey="Scholz P" first="P." last="Scholz">P. Scholz</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Department of Physics. McGill University, 3600 University Street</s1><s2>Montreal, QC H3A 2T8</s2><s3>CAN</s3><sZ>7 aut.</sZ><sZ>22 aut.</sZ><sZ>27 aut.</sZ><sZ>30 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion></affiliation></author><author><name sortKey="Siemens, X" sort="Siemens, X" uniqKey="Siemens X" first="X." last="Siemens">X. Siemens</name><affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Physics Department, University of Wisconsin at Milwaukee</s1><s2>Milwaukee, WI 53211</s2><s3>USA</s3><sZ>10 aut.</sZ><sZ>31 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Milwaukee, WI 53211</wicri:noRegion></affiliation></author><author><name sortKey="Venkataraman, A" sort="Venkataraman, A" uniqKey="Venkataraman A" first="A." last="Venkataraman">A. Venkataraman</name><affiliation wicri:level="1"><inist:fA14 i1="17"><s1>Arecibo Observatory, HC3 Box 53995</s1><s2>Arecibo, PR 00612</s2><s3>USA</s3><sZ>14 aut.</sZ><sZ>19 aut.</sZ><sZ>32 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Arecibo, PR 00612</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">The Astrophysical journal</title><title level="j" type="abbreviated">Astrophys. j.</title><idno type="ISSN">0004-637X</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">The Astrophysical journal</title><title level="j" type="abbreviated">Astrophys. j.</title><idno type="ISSN">0004-637X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Dispersion measure</term><term>Eccentricity</term><term>Galactic planes</term><term>Galaxies</term><term>Millisecond pulsar</term><term>Timing</term><term>White dwarf stars</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Pulsar milliseconde</term><term>Plan galactique</term><term>Timing</term><term>Naine blanche</term><term>Mesure dispersion</term><term>Excentricité</term><term>Galaxies</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We present the discovery and phase-coherent timing of four highly dispersed millisecond pulsars (MSPs) from the Arecibo PALFA Galactic plane survey: PSRs J1844+0115, J1850+0124, J1900+0308, and J1944+2236. Three of the four pulsars are in binary systems with low-mass companions, which are most likely white dwarfs, and which have orbital periods on the order of days. The fourth pulsar is isolated. All four pulsars have large dispersion measures (DM > 100 pc cm<sup>-3</sup>). are distant (?3.4 kpc), faint at 1.4 GHz (?0.2 mJy), and are fully recycled (with spin periods P between 3.5 and 4.9 ms). The three binaries also have very small orbital eccentricities, as expected for tidally circularized, fully recycled systems with low-mass companions. These four pulsars have DM/P ratios that are among the highest values for field MSPs in the Galaxy. These discoveries bring the total number of confirmed MSPs from the PALFA survey to 15. The discovery of these MSPs illustrates the power of PALFA for finding weak, distant MSPs at low-Galactic latitudes. This is important for accurate estimates of the Galactic MSP population and for the number of MSPs that the Square Kilometer Array can be expected to detect.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Australie</li><li>Canada</li><li>France</li><li>Pays-Bas</li><li>Royaume-Uni</li><li>États-Unis</li></country><region><li>Angleterre</li><li>Basse-Saxe</li><li>Centre-Val de Loire</li><li>District de Cologne</li><li>Grand Manchester</li><li>Hollande-Septentrionale</li><li>Rhénanie-du-Nord-Westphalie</li><li>Région Centre</li><li>État de New York</li></region><settlement><li>Amsterdam</li><li>Bonn</li><li>Hanovre</li><li>Ithaca (New York)</li><li>Manchester</li><li>Nancay</li><li>New York</li><li>Orléans</li></settlement><orgName><li>Université Columbia</li><li>Université Cornell</li><li>Université d'Amsterdam</li><li>Université d'Orléans</li><li>Université de Manchester</li></orgName></list><tree><country name="États-Unis"><noRegion><name sortKey="Crawford, F" sort="Crawford, F" uniqKey="Crawford F" first="F." last="Crawford">F. Crawford</name></noRegion><name sortKey="Allen, B" sort="Allen, B" uniqKey="Allen B" first="B." last="Allen">B. Allen</name><name sortKey="Bogdanov, S" sort="Bogdanov, S" uniqKey="Bogdanov S" first="S." last="Bogdanov">S. Bogdanov</name><name sortKey="Brazier, A" sort="Brazier, A" uniqKey="Brazier A" first="A." last="Brazier">A. Brazier</name><name sortKey="Camilo, F" sort="Camilo, F" uniqKey="Camilo F" first="F." last="Camilo">F. Camilo</name><name sortKey="Chatterjee, S" sort="Chatterjee, S" uniqKey="Chatterjee S" first="S." last="Chatterjee">S. Chatterjee</name><name sortKey="Cordes, J M" sort="Cordes, J M" uniqKey="Cordes J" first="J. M." last="Cordes">J. M. Cordes</name><name sortKey="Deneva, J S" sort="Deneva, J S" uniqKey="Deneva J" first="J. S." last="Deneva">J. S. Deneva</name><name sortKey="Jenet, F A" sort="Jenet, F A" uniqKey="Jenet F" first="F. A." last="Jenet">F. A. Jenet</name><name sortKey="Lorimer, D R" sort="Lorimer, D R" uniqKey="Lorimer D" first="D. R." last="Lorimer">D. R. Lorimer</name><name sortKey="Mclaughlin, M A" sort="Mclaughlin, M A" uniqKey="Mclaughlin M" first="M. A." last="Mclaughlin">M. A. Mclaughlin</name><name sortKey="Nice, D J" sort="Nice, D J" uniqKey="Nice D" first="D. J." last="Nice">D. J. Nice</name><name sortKey="Ransom, S M" sort="Ransom, S M" uniqKey="Ransom S" first="S. M." last="Ransom">S. M. Ransom</name><name sortKey="Siemens, X" sort="Siemens, X" uniqKey="Siemens X" first="X." last="Siemens">X. Siemens</name><name sortKey="Stovall, K" sort="Stovall, K" uniqKey="Stovall K" first="K." last="Stovall">K. Stovall</name><name sortKey="Stovall, K" sort="Stovall, K" uniqKey="Stovall K" first="K." last="Stovall">K. Stovall</name><name sortKey="Venkataraman, A" sort="Venkataraman, A" uniqKey="Venkataraman A" first="A." last="Venkataraman">A. Venkataraman</name></country><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Lyne, A G" sort="Lyne, A G" uniqKey="Lyne A" first="A. G." last="Lyne">A. G. Lyne</name></region><name sortKey="Stappers, B W" sort="Stappers, B W" uniqKey="Stappers B" first="B. W." last="Stappers">B. W. Stappers</name></country><country name="Canada"><noRegion><name sortKey="Stairs, I H" sort="Stairs, I H" uniqKey="Stairs I" first="I. H." last="Stairs">I. H. Stairs</name></noRegion><name sortKey="Kaspi, V M" sort="Kaspi, V M" uniqKey="Kaspi V" first="V. M." last="Kaspi">V. M. Kaspi</name><name sortKey="Lazarus, P" sort="Lazarus, P" uniqKey="Lazarus P" first="P." last="Lazarus">P. Lazarus</name><name sortKey="Lynch, R" sort="Lynch, R" uniqKey="Lynch R" first="R." last="Lynch">R. Lynch</name><name sortKey="Scholz, P" sort="Scholz, P" uniqKey="Scholz P" first="P." last="Scholz">P. Scholz</name></country><country name="Allemagne"><region name="Rhénanie-du-Nord-Westphalie"><name sortKey="Lazarus, P" sort="Lazarus, P" uniqKey="Lazarus P" first="P." last="Lazarus">P. Lazarus</name></region><name sortKey="Allen, B" sort="Allen, B" uniqKey="Allen B" first="B." last="Allen">B. Allen</name><name sortKey="Allen, B" sort="Allen, B" uniqKey="Allen B" first="B." last="Allen">B. Allen</name><name sortKey="Champion, D J" sort="Champion, D J" uniqKey="Champion D" first="D. J." last="Champion">D. J. Champion</name><name sortKey="Desvignes, G" sort="Desvignes, G" uniqKey="Desvignes G" first="G." last="Desvignes">G. Desvignes</name><name sortKey="Freire, P C C" sort="Freire, P C C" uniqKey="Freire P" first="P. C. C." last="Freire">P. C. C. Freire</name><name sortKey="Knispel, B" sort="Knispel, B" uniqKey="Knispel B" first="B." last="Knispel">B. Knispel</name><name sortKey="Knispel, B" sort="Knispel, B" uniqKey="Knispel B" first="B." last="Knispel">B. Knispel</name><name sortKey="Kramer, M" sort="Kramer, M" uniqKey="Kramer M" first="M." last="Kramer">M. Kramer</name></country><country name="Pays-Bas"><noRegion><name sortKey="Hessels, J W T" sort="Hessels, J W T" uniqKey="Hessels J" first="J. W. T." last="Hessels">J. W. T. Hessels</name></noRegion><name sortKey="Hessels, J W T" sort="Hessels, J W T" uniqKey="Hessels J" first="J. W. T." last="Hessels">J. W. T. Hessels</name><name sortKey="Van Leeuwen, J" sort="Van Leeuwen, J" uniqKey="Van Leeuwen J" first="J." last="Van Leeuwen">J. Van Leeuwen</name><name sortKey="Van Leeuwen, J" sort="Van Leeuwen, J" uniqKey="Van Leeuwen J" first="J." last="Van Leeuwen">J. Van Leeuwen</name></country><country name="Australie"><noRegion><name sortKey="Bhat, N D R" sort="Bhat, N D R" uniqKey="Bhat N" first="N. D. R." last="Bhat">N. D. R. Bhat</name></noRegion><name sortKey="Camilo, F" sort="Camilo, F" uniqKey="Camilo F" first="F." last="Camilo">F. Camilo</name></country><country name="France"><region name="Centre-Val de Loire"><name sortKey="Cognard, I" sort="Cognard, I" uniqKey="Cognard I" first="I." last="Cognard">I. Cognard</name></region><name sortKey="Desvignes, G" sort="Desvignes, G" uniqKey="Desvignes G" first="G." last="Desvignes">G. Desvignes</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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