AustralieFrV1, Main, Exploration, bibRecord, 005863

TWO MILLISECOND PULSARS DISCOVERED BY THE PALFA SURVEY AND A SHAPIRO DELAY MEASUREMENT

Identifieur interne : 005863 ( Main/Exploration ); précédent : 005862; suivant : 005864

TWO MILLISECOND PULSARS DISCOVERED BY THE PALFA SURVEY AND A SHAPIRO DELAY MEASUREMENT

Auteurs : J. S. Deneva [États-Unis] ; P. C. C. Freire [Allemagne] ; J. M. Cordes [États-Unis] ; A. G. Lyne [Royaume-Uni] ; S. M. Ransom [États-Unis] ; I. Cognard [France] ; F. Camilo [États-Unis] ; D. J. Nice [États-Unis] ; I. H. Stairs [Canada] ; B. Allen [Allemagne] ; N. D. R. Bhat [Australie] ; S. Bogdanov [États-Unis] ; A. Brazier [États-Unis] ; D. J. Champion [Allemagne] ; S. Chatterjee [États-Unis] ; F. Crawford [États-Unis] ; G. Desvignes [Allemagne] ; J. W. T. Hessels [Pays-Bas] ; F. A. Jenet [États-Unis] ; V. M. Kaspi [Canada] ; B. Knispel [Allemagne] ; M. Kramer [Allemagne] ; P. Lazarus [Allemagne, Canada] ; J. Van Leeuwen [Pays-Bas] ; D. R. Lorimer [États-Unis] ; R. S. Lynch [Canada] ; M. A. Mclaughlin [États-Unis] ; P. Scholz [Canada] ; X. Siemens [États-Unis] ; B. W. Stappers [Royaume-Uni] ; K. Stovall [États-Unis] ; A. Venkataraman [États-Unis]

Source :

The Astrophysical journal [ 0004-637X ] ; 2012.

RBID : Pascal:12-0384682

Descripteurs français

Pascal (Inist)
- Pulsar milliseconde, Plan galactique, Timing, Mouvement propre, Incertitude, Périastre, Mesure masse, Relativité générale.

English descriptors

KwdEn :
- Galactic planes, General relativity, Mass measurement, Millisecond pulsar, Periastron, Proper motion, Timing, Uncertainty.

Abstract

We present two millisecond pulsar discoveries from the PALFA survey of the Galactic plane with the Arecibo telescope. PSR J 1955+2527 is an isolated pulsar with a period of 4.87 ms, and PSR J1949+3106 has a period of 13.14 ms and is in a 1.9 day binary system with a massive companion. Their timing solutions, based on 4 years of timing measurements with the Arecibo, Green Bank, Nançay, and Jodrell Bank telescopes, allow precise determination of spin and astrometric parameters, including precise determinations of their proper motions. For PSR J1949+3106, we can clearly detect the Shapiro delay. From this we measure the pulsar mass to be 1.47^+0.43_-0.31 M_◦., the companion mass to be 0,85^+0.14_-0.11 M_◦., and the orbital inclination to be i = 79.9^-1.9_+1.6 deg, where uncertainties correspond to ±1σ confidence levels. With continued timing, we expect to also be able to detect the advance of periastron for the J 1949+3106 system. This effect, combined with the Shapiro delay, will eventually provide very precise mass measurements for this system and a test of general relativity.

Affiliations:

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Le document en format XML

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</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="18"><s1>Department of Physics, West Virginia University</s1>
<s2>Morgantown, WV 26506</s2>
<s3>USA</s3>
<sZ>25 aut.</sZ>
<sZ>27 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Morgantown, WV 26506</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="4"><inist:fA14 i1="17"><s1>Department of Physics, McGill University, 3600 rue Universite</s1>
<s2>Montreal, QC H3A 2T8</s2>
<s3>CAN</s3>
<sZ>20 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>26 aut.</sZ>
<sZ>28 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion>
<orgName type="university">Université McGill</orgName>
<placeName><settlement type="city">Montréal</settlement>
<region type="state">Québec</region>
</placeName>
</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="19"><s1>Physics Department. University of Wisconsin at Milwaukee</s1>
<s2>Milwaukee, WI 53211</s2>
<s3>USA</s3>
<sZ>29 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Physics Department. University of Wisconsin at Milwaukee</wicri:noRegion>
</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>4 aut.</sZ>
<sZ>30 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="Stovall, K" sort="Stovall, K" uniqKey="Stovall K" first="K." last="Stovall">K. Stovall</name>
<affiliation wicri:level="1"><inist:fA14 i1="16"><s1>Center for Gravitational Wave Astronomy. University of Texas at Brownsville</s1>
<s2>Brownsville, TX 78520</s2>
<s3>USA</s3>
<sZ>19 aut.</sZ>
<sZ>31 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Center for Gravitational Wave Astronomy. University of Texas at Brownsville</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="01"><s1>Arecibo Observatory, HC3 Box 53995</s1>
<s2>Arecibo, PR 00612</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>7 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">12-0384682</idno>
<date when="2012">2012</date>
<idno type="stanalyst">PASCAL 12-0384682 INIST</idno>
<idno type="RBID">Pascal:12-0384682</idno>
<idno type="wicri:Area/PascalFrancis/Corpus">000F71</idno>
<idno type="wicri:Area/PascalFrancis/Curation">004F47</idno>
<idno type="wicri:Area/PascalFrancis/Checkpoint">000D11</idno>
<idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000D11</idno>
<idno type="wicri:doubleKey">0004-637X:2012:Deneva J:two:millisecond:pulsars</idno>
<idno type="wicri:Area/Main/Merge">005B46</idno>
<idno type="wicri:Area/Main/Curation">005863</idno>
<idno type="wicri:Area/Main/Exploration">005863</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">TWO MILLISECOND PULSARS DISCOVERED BY THE PALFA SURVEY AND A SHAPIRO DELAY MEASUREMENT</title>
<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="01"><s1>Arecibo Observatory, HC3 Box 53995</s1>
<s2>Arecibo, PR 00612</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>32 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Arecibo, PR 00612</wicri:noRegion>
</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="02"><s1>Max-Planck-Institut fiir Radioastronomie</s1>
<s2>53121 Bonn</s2>
<s3>DEU</s3>
<sZ>2 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>17 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>23 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="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="03"><s1>Astronomy Department, Cornell University</s1>
<s2>Ithaca, NY 14853</s2>
<s3>USA</s3>
<sZ>3 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>15 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="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>4 aut.</sZ>
<sZ>30 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="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="05"><s1>National Radio Astronomy Observatory</s1>
<s2>Charlottesville, VA 22903</s2>
<s3>USA</s3>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>National Radio Astronomy Observatory</wicri:noRegion>
</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="06"><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</s1>
<s2>Observatoire de Paris</s2>
<s3>FRA</s3>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>France</country>
<wicri:noRegion>Observatoire de Paris</wicri:noRegion>
<wicri:noRegion>and Station de radioastronomie de Nançay</wicri:noRegion>
<wicri:noRegion>Observatoire de Paris</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="Camilo, F" sort="Camilo, F" uniqKey="Camilo F" first="F." last="Camilo">F. Camilo</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Arecibo Observatory, HC3 Box 53995</s1>
<s2>Arecibo, PR 00612</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>32 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Arecibo, PR 00612</wicri:noRegion>
</affiliation>
<affiliation wicri:level="4"><inist:fA14 i1="07"><s1>Columbia Astrophysics Laboratory, Columbia University</s1>
<s2>New York, NY 10027</s2>
<s3>USA</s3>
<sZ>7 aut.</sZ>
<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="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="08"><s1>Department of Physics. Lafayette College</s1>
<s2>Easton, PA 18042</s2>
<s3>USA</s3>
<sZ>8 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Department of Physics. Lafayette College</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="09"><s1>Department of Physics and Astronomy, University of British Columbia. 6224 Agricultural Road</s1>
<s2>Vancouver, BC V6T 1Z1</s2>
<s3>CAN</s3>
<sZ>9 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Vancouver, BC V6T 1Z1</wicri:noRegion>
</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="10"><s1>Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik</s1>
<s2>30167 Hannover</s2>
<s3>DEU</s3>
<sZ>10 aut.</sZ>
<sZ>21 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="11"><s1>Institut für Gravitationsphysik, Leibniz Universitat Hannover</s1>
<s2>30167 Hannover</s2>
<s3>DEU</s3>
<sZ>10 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="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="12"><s1>Center for Astrophysics and Supercomputing, Swinburne University</s1>
<s2>Hawthorn, Victoria 3122</s2>
<s3>AUS</s3>
<sZ>11 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="07"><s1>Columbia Astrophysics Laboratory, Columbia University</s1>
<s2>New York, NY 10027</s2>
<s3>USA</s3>
<sZ>7 aut.</sZ>
<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="03"><s1>Astronomy Department, Cornell University</s1>
<s2>Ithaca, NY 14853</s2>
<s3>USA</s3>
<sZ>3 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>15 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="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="02"><s1>Max-Planck-Institut fiir Radioastronomie</s1>
<s2>53121 Bonn</s2>
<s3>DEU</s3>
<sZ>2 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>17 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>23 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="03"><s1>Astronomy Department, Cornell University</s1>
<s2>Ithaca, NY 14853</s2>
<s3>USA</s3>
<sZ>3 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>15 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="Crawford, F" sort="Crawford, F" uniqKey="Crawford F" first="F." last="Crawford">F. Crawford</name>
<affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Department of Physics and Astronomy, Franklin and Marshall College, P.O. Box 3003</s1>
<s2>Lancaster, PA 17604</s2>
<s3>USA</s3>
<sZ>16 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Lancaster, PA 17604</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="02"><s1>Max-Planck-Institut fiir Radioastronomie</s1>
<s2>53121 Bonn</s2>
<s3>DEU</s3>
<sZ>2 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>17 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>23 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="14"><s1>ASTRON. The Netherlands Institute for Radio Astronomy, Postbus 2</s1>
<s2>7990 AA Dwingeloo</s2>
<s3>NLD</s3>
<sZ>18 aut.</sZ>
<sZ>24 aut.</sZ>
</inist:fA14>
<country>Pays-Bas</country>
<wicri:noRegion>7990 AA Dwingeloo</wicri:noRegion>
</affiliation>
<affiliation wicri:level="4"><inist:fA14 i1="15"><s1>Astronomical Institute "Anton Pannekoek," University of Amsterdam, Science Park 904</s1>
<s2>1098 XH Amsterdam</s2>
<s3>NLD</s3>
<sZ>18 aut.</sZ>
</inist:fA14>
<country>Pays-Bas</country>
<wicri:noRegion>1098 XH Amsterdam</wicri:noRegion>
<orgName type="university">Université d'Amsterdam</orgName>
<placeName><settlement type="city">Amsterdam</settlement>
<region>Hollande-Septentrionale</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="16"><s1>Center for Gravitational Wave Astronomy. University of Texas at Brownsville</s1>
<s2>Brownsville, TX 78520</s2>
<s3>USA</s3>
<sZ>19 aut.</sZ>
<sZ>31 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Center for Gravitational Wave Astronomy. University of Texas at Brownsville</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="4"><inist:fA14 i1="17"><s1>Department of Physics, McGill University, 3600 rue Universite</s1>
<s2>Montreal, QC H3A 2T8</s2>
<s3>CAN</s3>
<sZ>20 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>26 aut.</sZ>
<sZ>28 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion>
<orgName type="university">Université McGill</orgName>
<placeName><settlement type="city">Montréal</settlement>
<region type="state">Québec</region>
</placeName>
</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="10"><s1>Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik</s1>
<s2>30167 Hannover</s2>
<s3>DEU</s3>
<sZ>10 aut.</sZ>
<sZ>21 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="02"><s1>Max-Planck-Institut fiir Radioastronomie</s1>
<s2>53121 Bonn</s2>
<s3>DEU</s3>
<sZ>2 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>17 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>23 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="Lazarus, P" sort="Lazarus, P" uniqKey="Lazarus P" first="P." last="Lazarus">P. Lazarus</name>
<affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Max-Planck-Institut fiir Radioastronomie</s1>
<s2>53121 Bonn</s2>
<s3>DEU</s3>
<sZ>2 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>17 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>23 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="17"><s1>Department of Physics, McGill University, 3600 rue Universite</s1>
<s2>Montreal, QC H3A 2T8</s2>
<s3>CAN</s3>
<sZ>20 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>26 aut.</sZ>
<sZ>28 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion>
<orgName type="university">Université McGill</orgName>
<placeName><settlement type="city">Montréal</settlement>
<region type="state">Québec</region>
</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="14"><s1>ASTRON. The Netherlands Institute for Radio Astronomy, Postbus 2</s1>
<s2>7990 AA Dwingeloo</s2>
<s3>NLD</s3>
<sZ>18 aut.</sZ>
<sZ>24 aut.</sZ>
</inist:fA14>
<country>Pays-Bas</country>
<wicri:noRegion>7990 AA Dwingeloo</wicri:noRegion>
</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="18"><s1>Department of Physics, West Virginia University</s1>
<s2>Morgantown, WV 26506</s2>
<s3>USA</s3>
<sZ>25 aut.</sZ>
<sZ>27 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Morgantown, WV 26506</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Lynch, R S" sort="Lynch, R S" uniqKey="Lynch R" first="R. S." last="Lynch">R. S. Lynch</name>
<affiliation wicri:level="4"><inist:fA14 i1="17"><s1>Department of Physics, McGill University, 3600 rue Universite</s1>
<s2>Montreal, QC H3A 2T8</s2>
<s3>CAN</s3>
<sZ>20 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>26 aut.</sZ>
<sZ>28 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion>
<orgName type="university">Université McGill</orgName>
<placeName><settlement type="city">Montréal</settlement>
<region type="state">Québec</region>
</placeName>
</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="18"><s1>Department of Physics, West Virginia University</s1>
<s2>Morgantown, WV 26506</s2>
<s3>USA</s3>
<sZ>25 aut.</sZ>
<sZ>27 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Morgantown, WV 26506</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="4"><inist:fA14 i1="17"><s1>Department of Physics, McGill University, 3600 rue Universite</s1>
<s2>Montreal, QC H3A 2T8</s2>
<s3>CAN</s3>
<sZ>20 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>26 aut.</sZ>
<sZ>28 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Montreal, QC H3A 2T8</wicri:noRegion>
<orgName type="university">Université McGill</orgName>
<placeName><settlement type="city">Montréal</settlement>
<region type="state">Québec</region>
</placeName>
</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="19"><s1>Physics Department. University of Wisconsin at Milwaukee</s1>
<s2>Milwaukee, WI 53211</s2>
<s3>USA</s3>
<sZ>29 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Physics Department. University of Wisconsin at Milwaukee</wicri:noRegion>
</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>4 aut.</sZ>
<sZ>30 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="Stovall, K" sort="Stovall, K" uniqKey="Stovall K" first="K." last="Stovall">K. Stovall</name>
<affiliation wicri:level="1"><inist:fA14 i1="16"><s1>Center for Gravitational Wave Astronomy. University of Texas at Brownsville</s1>
<s2>Brownsville, TX 78520</s2>
<s3>USA</s3>
<sZ>19 aut.</sZ>
<sZ>31 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Center for Gravitational Wave Astronomy. University of Texas at Brownsville</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="01"><s1>Arecibo Observatory, HC3 Box 53995</s1>
<s2>Arecibo, PR 00612</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>7 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>Galactic planes</term>
<term>General relativity</term>
<term>Mass measurement</term>
<term>Millisecond pulsar</term>
<term>Periastron</term>
<term>Proper motion</term>
<term>Timing</term>
<term>Uncertainty</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Pulsar milliseconde</term>
<term>Plan galactique</term>
<term>Timing</term>
<term>Mouvement propre</term>
<term>Incertitude</term>
<term>Périastre</term>
<term>Mesure masse</term>
<term>Relativité générale</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">We present two millisecond pulsar discoveries from the PALFA survey of the Galactic plane with the Arecibo telescope. PSR J 1955+2527 is an isolated pulsar with a period of 4.87 ms, and PSR J1949+3106 has a period of 13.14 ms and is in a 1.9 day binary system with a massive companion. Their timing solutions, based on 4 years of timing measurements with the Arecibo, Green Bank, Nançay, and Jodrell Bank telescopes, allow precise determination of spin and astrometric parameters, including precise determinations of their proper motions. For PSR J1949+3106, we can clearly detect the Shapiro delay. From this we measure the pulsar mass to be 1.47<sup>+0.43</sup>
<sub>-0.31</sub>
 M<sub>◦.</sub>
, the companion mass to be 0,85<sup>+0.14</sup>
<sub>-0.11</sub>
 M<sub>◦.</sub>
, and the orbital inclination to be i = 79.9<sup>-1.9</sup>
<sub>+1.6</sub>
 deg, where uncertainties correspond to ±1σ confidence levels. With continued timing, we expect to also be able to detect the advance of periastron for the J 1949+3106 system. This effect, combined with the Shapiro delay, will eventually provide very precise mass measurements for this system and a test of general relativity.</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>Québec</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>Montréal</li>
<li>New York</li>
<li>Orléans</li>
</settlement>
<orgName><li>Université Columbia</li>
<li>Université Cornell</li>
<li>Université McGill</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="Deneva, J S" sort="Deneva, J S" uniqKey="Deneva J" first="J. S." last="Deneva">J. S. Deneva</name>
</noRegion>
<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="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="Crawford, F" sort="Crawford, F" uniqKey="Crawford F" first="F." last="Crawford">F. Crawford</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="Venkataraman, A" sort="Venkataraman, A" uniqKey="Venkataraman A" first="A." last="Venkataraman">A. Venkataraman</name>
</country>
<country name="Allemagne"><region name="Rhénanie-du-Nord-Westphalie"><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>
</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="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>
<name sortKey="Lazarus, P" sort="Lazarus, P" uniqKey="Lazarus P" first="P." last="Lazarus">P. Lazarus</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="France"><region name="Région Centre"><name sortKey="Cognard, I" sort="Cognard, I" uniqKey="Cognard I" first="I." last="Cognard">I. Cognard</name>
</region>
</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 S" sort="Lynch, R S" uniqKey="Lynch R" first="R. S." last="Lynch">R. S. Lynch</name>
<name sortKey="Scholz, P" sort="Scholz, P" uniqKey="Scholz P" first="P." last="Scholz">P. Scholz</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>
</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>
</country>
</tree>
</affiliations>
</record>

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TWO MILLISECOND PULSARS DISCOVERED BY THE PALFA SURVEY AND A SHAPIRO DELAY MEASUREMENT

TWO MILLISECOND PULSARS DISCOVERED BY THE PALFA SURVEY AND A SHAPIRO DELAY MEASUREMENT

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