AustralieFrV1, Main, Exploration, bibRecord, 006C12

DISCOVERY OF TWO MILLISECOND PULSARS IN FERMI SOURCES WITH THE NANÇAY RADIO TELESCOPE

Identifieur interne : 006C12 ( Main/Exploration ); précédent : 006C11; suivant : 006C13

DISCOVERY OF TWO MILLISECOND PULSARS IN FERMI SOURCES WITH THE NANÇAY RADIO TELESCOPE

Auteurs : I. Cognard [France] ; L. Guillemot [Allemagne] ; T. J. Johnson [États-Unis] ; D. A. Smith [France] ; C. Venter [Afrique du Sud] ; A. K. Harding [États-Unis] ; M. T. Wolff [États-Unis] ; C. C. Cheung [États-Unis] ; D. Donato [États-Unis] ; A. A. Abdo [États-Unis] ; J. Ballet [France] ; F. Camilo [États-Unis] ; G. Desvignes [États-Unis] ; D. Dumora [France] ; E. C. Ferrara [États-Unis] ; P. C. C. Freire [Allemagne] ; J. E. Grove [États-Unis] ; S. Johnston [Australie] ; M. Keith [Australie] ; M. Kramer [Allemagne, Royaume-Uni] ; A. G. Lyne [Royaume-Uni] ; P. F. Michelson [États-Unis] ; D. Parent [États-Unis] ; S. M. Ransom [États-Unis] ; P. S. Ray [États-Unis] ; R. W. Romani [États-Unis] ; P. M. Saz Parkinson [États-Unis] ; B. W. Stappers [Royaume-Uni] ; G. Theureau [France] ; D. J. Thompson [États-Unis] ; P. Weltevrede [Royaume-Uni] ; K. S. Wood [États-Unis]

Source :

The Astrophysical journal [ 0004-637X ] ; 2011.

RBID : Pascal:11-0230069

Descripteurs français

Pascal (Inist)
- Pulsar milliseconde, Pulsation radio, Position, Excentricité, Orbite, Rayonnement gamma, Courbe lumière, Propriété spectrale, Modélisation, Emission gamma, Observation RX, Etoile neutron, Pulsar radio.

English descriptors

KwdEn :
- Eccentricity, Gamma emission, Gamma radiation, Light curves, Millisecond pulsar, Modelling, Neutron stars, Orbits, Positions, Radio pulsation, Radiopulsar, Spectral properties, X ray observation.

Abstract

We report the discovery of two millisecond pulsars in a search for radio pulsations at the positions of Fermi-Large Area Telescope sources with no previously known counterparts, using the Nançay Radio Telescope. The two millisecond pulsars, PSRs J2017+0603 and J2302+4442, have rotational periods of 2.896 and 5.192 ms and are both in binary systems with low-eccentricity orbits and orbital periods of 2.2 and 125.9 days, respectively, suggesting long recycling processes. Gamma-ray pulsations were subsequently detected for both objects, indicating that they power the associated Fermi sources in which they were found. The gamma-ray light curves and spectral properties are similar to those of previously detected gamma-ray millisecond pulsars. Detailed modeling of the observed radio and gamma-ray light curves shows that the gamma-ray emission seems to originate at high altitudes in their magnetospheres. Additionally, X-ray observations revealed the presence of an X-ray source at the position of PSR J2302+4442, consistent with thermal emission from a neutron star. These discoveries along with the numerous detections of radio-loud millisecond pulsars in gamma rays suggest that many Fermi sources with no known counterpart could be unknown millisecond pulsars.

Affiliations:

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Le document en format XML

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<author><name sortKey="Saz Parkinson, P M" sort="Saz Parkinson, P M" uniqKey="Saz Parkinson P" first="P. M." last="Saz Parkinson">P. M. Saz Parkinson</name>
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</placeName>
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<country>France</country>
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<sZ>1 aut.</sZ>
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<country>France</country>
<wicri:noRegion>18330 Nançay</wicri:noRegion>
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</affiliation>
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<country>États-Unis</country>
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</affiliation>
</author>
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</inist:fA14>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Manchester</settlement>
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</placeName>
<orgName type="university">Université de Manchester</orgName>
</affiliation>
</author>
<author><name sortKey="Wood, K S" sort="Wood, K S" uniqKey="Wood K" first="K. S." last="Wood">K. S. Wood</name>
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</titleStmt>
<publicationStmt><idno type="wicri:source">INIST</idno>
<idno type="inist">11-0230069</idno>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">DISCOVERY OF TWO MILLISECOND PULSARS IN FERMI SOURCES WITH THE NANÇAY RADIO TELESCOPE</title>
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<affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire de Physique et Chimie de l'Environnement et de l'Espace LPC2E CNRS-Université d'Orléans</s1>
<s2>45071 Orléans</s2>
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<sZ>1 aut.</sZ>
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</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">Orléans</settlement>
<settlement type="city">Orléans</settlement>
</placeName>
<orgName type="university">Université d'Orléans</orgName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Station de radioastronomie de Nançay, Observatoire de Paris, CNRS/INSU</s1>
<s2>18330 Nançay</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>29 aut.</sZ>
</inist:fA14>
<country>France</country>
<wicri:noRegion>18330 Nançay</wicri:noRegion>
<wicri:noRegion>CNRS/INSU</wicri:noRegion>
<wicri:noRegion>18330 Nançay</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Guillemot, L" sort="Guillemot, L" uniqKey="Guillemot L" first="L." last="Guillemot">L. Guillemot</name>
<affiliation wicri:level="3"><inist:fA14 i1="03"><s1>Max-Planck-Institut fur Radioastronomie, Auf dem Hügel 69</s1>
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</inist:fA14>
<country>Allemagne</country>
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</affiliation>
</author>
<author><name sortKey="Johnson, T J" sort="Johnson, T J" uniqKey="Johnson T" first="T. J." last="Johnson">T. J. Johnson</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>NASA Goddard Space Flight Center</s1>
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<sZ>3 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>30 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
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</affiliation>
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<sZ>3 aut.</sZ>
<sZ>9 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
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</placeName>
<orgName type="university">Université du Maryland</orgName>
</affiliation>
</author>
<author><name sortKey="Smith, D A" sort="Smith, D A" uniqKey="Smith D" first="D. A." last="Smith">D. A. Smith</name>
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<s2>33175 Gradignan</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>14 aut.</sZ>
</inist:fA14>
<country>France</country>
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</placeName>
</affiliation>
</author>
<author><name sortKey="Venter, C" sort="Venter, C" uniqKey="Venter C" first="C." last="Venter">C. Venter</name>
<affiliation wicri:level="1"><inist:fA14 i1="07"><s1>North-West University, Potchefstroom Campus</s1>
<s2>Potchefstroom 2520</s2>
<s3>ZAF</s3>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Afrique du Sud</country>
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</affiliation>
</author>
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<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>NASA Goddard Space Flight Center</s1>
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<s3>USA</s3>
<sZ>3 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>30 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
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</affiliation>
</author>
<author><name sortKey="Wolff, M T" sort="Wolff, M T" uniqKey="Wolff M" first="M. T." last="Wolff">M. T. Wolff</name>
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<sZ>25 aut.</sZ>
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</inist:fA14>
<country>États-Unis</country>
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</affiliation>
</author>
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<sZ>8 aut.</sZ>
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</inist:fA14>
<country>États-Unis</country>
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</affiliation>
</author>
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<sZ>3 aut.</sZ>
<sZ>9 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
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</placeName>
<orgName type="university">Université du Maryland</orgName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Center for Research and Exploration in Space Science and Technology (CRESST) and NASA Goddard Space Flight Center</s1>
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<s3>USA</s3>
<sZ>9 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
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</affiliation>
</author>
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<sZ>8 aut.</sZ>
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</inist:fA14>
<country>États-Unis</country>
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</affiliation>
</author>
<author><name sortKey="Ballet, J" sort="Ballet, J" uniqKey="Ballet J" first="J." last="Ballet">J. Ballet</name>
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<s2>91191 Gif sur Yvette</s2>
<s3>FRA</s3>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>France</country>
<wicri:noRegion>91191 Gif sur Yvette</wicri:noRegion>
<wicri:noRegion>CEA Saclay</wicri:noRegion>
<wicri:noRegion>91191 Gif sur Yvette</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Camilo, F" sort="Camilo, F" uniqKey="Camilo F" first="F." last="Camilo">F. Camilo</name>
<affiliation wicri:level="4"><inist:fA14 i1="12"><s1>Columbia Astrophysics Laboratory, Columbia University</s1>
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<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="Desvignes, G" sort="Desvignes, G" uniqKey="Desvignes G" first="G." last="Desvignes">G. Desvignes</name>
<affiliation wicri:level="3"><inist:fA14 i1="13"><s1>Department of Astronomy, University of California, Berkeley</s1>
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<s3>USA</s3>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
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</placeName>
</affiliation>
<affiliation wicri:level="3"><inist:fA14 i1="14"><s1>Radio Astronomy Laboratory, University of California, Berkeley</s1>
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<sZ>13 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<placeName><settlement type="city">Berkeley (Californie)</settlement>
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</placeName>
</affiliation>
</author>
<author><name sortKey="Dumora, D" sort="Dumora, D" uniqKey="Dumora D" first="D." last="Dumora">D. Dumora</name>
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<s2>33175 Gradignan</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>14 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region>
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</placeName>
</affiliation>
</author>
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<sZ>3 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>30 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
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</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>
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<sZ>16 aut.</sZ>
<sZ>20 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
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</placeName>
</affiliation>
</author>
<author><name sortKey="Grove, J E" sort="Grove, J E" uniqKey="Grove J" first="J. E." last="Grove">J. E. Grove</name>
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<sZ>7 aut.</sZ>
<sZ>17 aut.</sZ>
<sZ>25 aut.</sZ>
<sZ>32 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Washington, DC 20375</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Johnston, S" sort="Johnston, S" uniqKey="Johnston S" first="S." last="Johnston">S. Johnston</name>
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<sZ>18 aut.</sZ>
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</inist:fA14>
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</affiliation>
</author>
<author><name sortKey="Keith, M" sort="Keith, M" uniqKey="Keith M" first="M." last="Keith">M. Keith</name>
<affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Australia Telescope National Facility, CSIRO</s1>
<s2>Epping, NSW 1710</s2>
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<sZ>18 aut.</sZ>
<sZ>19 aut.</sZ>
</inist:fA14>
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</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="03"><s1>Max-Planck-Institut fur Radioastronomie, Auf dem Hügel 69</s1>
<s2>53121 Bonn</s2>
<s3>DEU</s3>
<sZ>2 aut.</sZ>
<sZ>16 aut.</sZ>
<sZ>20 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="16"><s1>Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, The University of Manchester</s1>
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<sZ>20 aut.</sZ>
<sZ>21 aut.</sZ>
<sZ>28 aut.</sZ>
<sZ>31 aut.</sZ>
</inist:fA14>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Manchester</settlement>
<region type="nation">Angleterre</region>
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</placeName>
<orgName type="university">Université de Manchester</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>
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<s3>GBR</s3>
<sZ>20 aut.</sZ>
<sZ>21 aut.</sZ>
<sZ>28 aut.</sZ>
<sZ>31 aut.</sZ>
</inist:fA14>
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</placeName>
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</author>
<author><name sortKey="Michelson, P F" sort="Michelson, P F" uniqKey="Michelson P" first="P. F." last="Michelson">P. F. Michelson</name>
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</affiliation>
</author>
<author><name sortKey="Parent, D" sort="Parent, D" uniqKey="Parent D" first="D." last="Parent">D. Parent</name>
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<s2>Fairfax, VA 22030</s2>
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<country>États-Unis</country>
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<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="19"><s1>National Radio Astronomy Observatory (NRAO)</s1>
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<sZ>24 aut.</sZ>
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<country>États-Unis</country>
<wicri:noRegion>National Radio Astronomy Observatory (NRAO)</wicri:noRegion>
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<author><name sortKey="Ray, P S" sort="Ray, P S" uniqKey="Ray P" first="P. S." last="Ray">P. S. Ray</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>Space Science Division, Naval Research Laboratory</s1>
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<s3>USA</s3>
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<sZ>25 aut.</sZ>
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<country>États-Unis</country>
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</author>
<author><name sortKey="Romani, R W" sort="Romani, R W" uniqKey="Romani R" first="R. W." last="Romani">R. W. Romani</name>
<affiliation wicri:level="1"><inist:fA14 i1="17"><s1>W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory. Stanford University</s1>
<s2>Stanford, CA 94305</s2>
<s3>USA</s3>
<sZ>22 aut.</sZ>
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<country>États-Unis</country>
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</author>
<author><name sortKey="Saz Parkinson, P M" sort="Saz Parkinson, P M" uniqKey="Saz Parkinson P" first="P. M." last="Saz Parkinson">P. M. Saz Parkinson</name>
<affiliation wicri:level="1"><inist:fA14 i1="20"><s1>Santa Cruz Institute for Particle Physics, Department of Physics and Department of Astronomy and Astrophysics, University of California at Santa Cruz</s1>
<s2>Santa Cruz, CA 95064</s2>
<s3>USA</s3>
<sZ>27 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Santa Cruz, CA 95064</wicri:noRegion>
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</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="16"><s1>Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, The University of Manchester</s1>
<s2>M13 9PL</s2>
<s3>GBR</s3>
<sZ>20 aut.</sZ>
<sZ>21 aut.</sZ>
<sZ>28 aut.</sZ>
<sZ>31 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="Theureau, G" sort="Theureau, G" uniqKey="Theureau G" first="G." last="Theureau">G. Theureau</name>
<affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire de Physique et Chimie de l'Environnement et de l'Espace LPC2E CNRS-Université d'Orléans</s1>
<s2>45071 Orléans</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>29 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">Orléans</settlement>
<settlement type="city">Orléans</settlement>
</placeName>
<orgName type="university">Université d'Orléans</orgName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Station de radioastronomie de Nançay, Observatoire de Paris, CNRS/INSU</s1>
<s2>18330 Nançay</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>29 aut.</sZ>
</inist:fA14>
<country>France</country>
<wicri:noRegion>18330 Nançay</wicri:noRegion>
<wicri:noRegion>CNRS/INSU</wicri:noRegion>
<wicri:noRegion>18330 Nançay</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Thompson, D J" sort="Thompson, D J" uniqKey="Thompson D" first="D. J." last="Thompson">D. J. Thompson</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>NASA Goddard Space Flight Center</s1>
<s2>Greenbelt, MD 20771</s2>
<s3>USA</s3>
<sZ>3 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>30 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>NASA Goddard Space Flight Center</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Weltevrede, P" sort="Weltevrede, P" uniqKey="Weltevrede P" first="P." last="Weltevrede">P. Weltevrede</name>
<affiliation wicri:level="4"><inist:fA14 i1="16"><s1>Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, The University of Manchester</s1>
<s2>M13 9PL</s2>
<s3>GBR</s3>
<sZ>20 aut.</sZ>
<sZ>21 aut.</sZ>
<sZ>28 aut.</sZ>
<sZ>31 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="Wood, K S" sort="Wood, K S" uniqKey="Wood K" first="K. S." last="Wood">K. S. Wood</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>Space Science Division, Naval Research Laboratory</s1>
<s2>Washington, DC 20375</s2>
<s3>USA</s3>
<sZ>7 aut.</sZ>
<sZ>17 aut.</sZ>
<sZ>25 aut.</sZ>
<sZ>32 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Washington, DC 20375</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="2011">2011</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>Eccentricity</term>
<term>Gamma emission</term>
<term>Gamma radiation</term>
<term>Light curves</term>
<term>Millisecond pulsar</term>
<term>Modelling</term>
<term>Neutron stars</term>
<term>Orbits</term>
<term>Positions</term>
<term>Radio pulsation</term>
<term>Radiopulsar</term>
<term>Spectral properties</term>
<term>X ray observation</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Pulsar milliseconde</term>
<term>Pulsation radio</term>
<term>Position</term>
<term>Excentricité</term>
<term>Orbite</term>
<term>Rayonnement gamma</term>
<term>Courbe lumière</term>
<term>Propriété spectrale</term>
<term>Modélisation</term>
<term>Emission gamma</term>
<term>Observation RX</term>
<term>Etoile neutron</term>
<term>Pulsar radio</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">We report the discovery of two millisecond pulsars in a search for radio pulsations at the positions of Fermi-Large Area Telescope sources with no previously known counterparts, using the Nançay Radio Telescope. The two millisecond pulsars, PSRs J2017+0603 and J2302+4442, have rotational periods of 2.896 and 5.192 ms and are both in binary systems with low-eccentricity orbits and orbital periods of 2.2 and 125.9 days, respectively, suggesting long recycling processes. Gamma-ray pulsations were subsequently detected for both objects, indicating that they power the associated Fermi sources in which they were found. The gamma-ray light curves and spectral properties are similar to those of previously detected gamma-ray millisecond pulsars. Detailed modeling of the observed radio and gamma-ray light curves shows that the gamma-ray emission seems to originate at high altitudes in their magnetospheres. Additionally, X-ray observations revealed the presence of an X-ray source at the position of PSR J2302+4442, consistent with thermal emission from a neutron star. These discoveries along with the numerous detections of radio-loud millisecond pulsars in gamma rays suggest that many Fermi sources with no known counterpart could be unknown millisecond pulsars.</div>
</front>
</TEI>
<affiliations><list><country><li>Afrique du Sud</li>
<li>Allemagne</li>
<li>Australie</li>
<li>France</li>
<li>Royaume-Uni</li>
<li>États-Unis</li>
</country>
<region><li>Angleterre</li>
<li>Aquitaine</li>
<li>Californie</li>
<li>Centre-Val de Loire</li>
<li>District de Cologne</li>
<li>Grand Manchester</li>
<li>Maryland</li>
<li>Nouvelle-Aquitaine</li>
<li>Rhénanie-du-Nord-Westphalie</li>
<li>Région Centre</li>
<li>État de New York</li>
</region>
<settlement><li>Berkeley (Californie)</li>
<li>Bonn</li>
<li>College Park (Maryland)</li>
<li>Gradignan</li>
<li>Manchester</li>
<li>New York</li>
<li>Orléans</li>
</settlement>
<orgName><li>Université Columbia</li>
<li>Université d'Orléans</li>
<li>Université de Manchester</li>
<li>Université du Maryland</li>
</orgName>
</list>
<tree><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="Ballet, J" sort="Ballet, J" uniqKey="Ballet J" first="J." last="Ballet">J. Ballet</name>
<name sortKey="Cognard, I" sort="Cognard, I" uniqKey="Cognard I" first="I." last="Cognard">I. Cognard</name>
<name sortKey="Dumora, D" sort="Dumora, D" uniqKey="Dumora D" first="D." last="Dumora">D. Dumora</name>
<name sortKey="Smith, D A" sort="Smith, D A" uniqKey="Smith D" first="D. A." last="Smith">D. A. Smith</name>
<name sortKey="Theureau, G" sort="Theureau, G" uniqKey="Theureau G" first="G." last="Theureau">G. Theureau</name>
<name sortKey="Theureau, G" sort="Theureau, G" uniqKey="Theureau G" first="G." last="Theureau">G. Theureau</name>
</country>
<country name="Allemagne"><region name="Rhénanie-du-Nord-Westphalie"><name sortKey="Guillemot, L" sort="Guillemot, L" uniqKey="Guillemot L" first="L." last="Guillemot">L. Guillemot</name>
</region>
<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="Kramer, M" sort="Kramer, M" uniqKey="Kramer M" first="M." last="Kramer">M. Kramer</name>
</country>
<country name="États-Unis"><noRegion><name sortKey="Johnson, T J" sort="Johnson, T J" uniqKey="Johnson T" first="T. J." last="Johnson">T. J. Johnson</name>
</noRegion>
<name sortKey="Abdo, A A" sort="Abdo, A A" uniqKey="Abdo A" first="A. A." last="Abdo">A. A. Abdo</name>
<name sortKey="Camilo, F" sort="Camilo, F" uniqKey="Camilo F" first="F." last="Camilo">F. Camilo</name>
<name sortKey="Cheung, C C" sort="Cheung, C C" uniqKey="Cheung C" first="C. C." last="Cheung">C. C. Cheung</name>
<name sortKey="Desvignes, G" sort="Desvignes, G" uniqKey="Desvignes G" first="G." last="Desvignes">G. Desvignes</name>
<name sortKey="Desvignes, G" sort="Desvignes, G" uniqKey="Desvignes G" first="G." last="Desvignes">G. Desvignes</name>
<name sortKey="Donato, D" sort="Donato, D" uniqKey="Donato D" first="D." last="Donato">D. Donato</name>
<name sortKey="Donato, D" sort="Donato, D" uniqKey="Donato D" first="D." last="Donato">D. Donato</name>
<name sortKey="Ferrara, E C" sort="Ferrara, E C" uniqKey="Ferrara E" first="E. C." last="Ferrara">E. C. Ferrara</name>
<name sortKey="Grove, J E" sort="Grove, J E" uniqKey="Grove J" first="J. E." last="Grove">J. E. Grove</name>
<name sortKey="Harding, A K" sort="Harding, A K" uniqKey="Harding A" first="A. K." last="Harding">A. K. Harding</name>
<name sortKey="Johnson, T J" sort="Johnson, T J" uniqKey="Johnson T" first="T. J." last="Johnson">T. J. Johnson</name>
<name sortKey="Michelson, P F" sort="Michelson, P F" uniqKey="Michelson P" first="P. F." last="Michelson">P. F. Michelson</name>
<name sortKey="Parent, D" sort="Parent, D" uniqKey="Parent D" first="D." last="Parent">D. Parent</name>
<name sortKey="Ransom, S M" sort="Ransom, S M" uniqKey="Ransom S" first="S. M." last="Ransom">S. M. Ransom</name>
<name sortKey="Ray, P S" sort="Ray, P S" uniqKey="Ray P" first="P. S." last="Ray">P. S. Ray</name>
<name sortKey="Romani, R W" sort="Romani, R W" uniqKey="Romani R" first="R. W." last="Romani">R. W. Romani</name>
<name sortKey="Saz Parkinson, P M" sort="Saz Parkinson, P M" uniqKey="Saz Parkinson P" first="P. M." last="Saz Parkinson">P. M. Saz Parkinson</name>
<name sortKey="Thompson, D J" sort="Thompson, D J" uniqKey="Thompson D" first="D. J." last="Thompson">D. J. Thompson</name>
<name sortKey="Wolff, M T" sort="Wolff, M T" uniqKey="Wolff M" first="M. T." last="Wolff">M. T. Wolff</name>
<name sortKey="Wood, K S" sort="Wood, K S" uniqKey="Wood K" first="K. S." last="Wood">K. S. Wood</name>
</country>
<country name="Afrique du Sud"><noRegion><name sortKey="Venter, C" sort="Venter, C" uniqKey="Venter C" first="C." last="Venter">C. Venter</name>
</noRegion>
</country>
<country name="Australie"><noRegion><name sortKey="Johnston, S" sort="Johnston, S" uniqKey="Johnston S" first="S." last="Johnston">S. Johnston</name>
</noRegion>
<name sortKey="Keith, M" sort="Keith, M" uniqKey="Keith M" first="M." last="Keith">M. Keith</name>
</country>
<country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Kramer, M" sort="Kramer, M" uniqKey="Kramer M" first="M." last="Kramer">M. Kramer</name>
</region>
<name sortKey="Lyne, A G" sort="Lyne, A G" uniqKey="Lyne A" first="A. G." last="Lyne">A. G. Lyne</name>
<name sortKey="Stappers, B W" sort="Stappers, B W" uniqKey="Stappers B" first="B. W." last="Stappers">B. W. Stappers</name>
<name sortKey="Weltevrede, P" sort="Weltevrede, P" uniqKey="Weltevrede P" first="P." last="Weltevrede">P. Weltevrede</name>
</country>
</tree>
</affiliations>
</record>

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	Serveur d'exploration sur les relations entre la France et l'Australie
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Serveur d'exploration sur les relations entre la France et l'Australie

DISCOVERY OF TWO MILLISECOND PULSARS IN FERMI SOURCES WITH THE NANÇAY RADIO TELESCOPE

DISCOVERY OF TWO MILLISECOND PULSARS IN FERMI SOURCES WITH THE NANÇAY RADIO TELESCOPE

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