AustralieFrV1, Main, Exploration, bibRecord, 006C14

DETECTION OF THE PULSAR WIND NEBULA HESS J1825-137 WITH THE FERMI LARGE AREA TELESCOPE

Identifieur interne : 006C14 ( Main/Exploration ); précédent : 006C13; suivant : 006C15

DETECTION OF THE PULSAR WIND NEBULA HESS J1825-137 WITH THE FERMI LARGE AREA TELESCOPE

Auteurs : M.-H. Grondin [France] ; S. Funk [États-Unis] ; M. Lemoine-Goumard [France] ; A. Van Etten [États-Unis] ; J. A. Hinton [Royaume-Uni] ; F. Camilo [États-Unis] ; I. Cognard [France] ; C. M. Esyinoza [Royaume-Uni] ; P. C. C. Freire [Allemagne] ; J. E. Grove [États-Unis] ; L. Guillemot [Allemagne] ; S. Johnston [Australie] ; M. Kramer [Royaume-Uni, Allemagne] ; J. Lande [États-Unis] ; P. Michelson [États-Unis] ; A. Possenti [Italie] ; R. W. Romani [États-Unis] ; J. L. Skilton [Royaume-Uni] ; G. Theureau [France] ; P. Weltevrede [Royaume-Uni]

Source :

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

RBID : Pascal:11-0411166

Descripteurs français

Pascal (Inist)
- Pulsar, Domaine énergie GeV, Rayonnement gamma, Emission gamma, Modèle, Loi puissance, Indice spectral, Incertitude, Analyse spectrale, Energétique, Champ magnétique, Domaine énergie TeV.

English descriptors

KwdEn :
- Energetics, Gamma emission, Gamma radiation, GeV range, Magnetic fields, Models, Power law, Pulsars, Spectral analysis, Spectral index, TeV range, Uncertainty.

Abstract

We announce the discovery of 1-100 GeV gamma-ray emission from the archetypal TeV pulsar wind nebula (PWN) HESS J 1825-137 using 20 months of survey data from the Fermi-Large Area Telescope (LAT). The gamma-ray emission detected by the LAT is significantly spatially extended, with a best-fit rms extension of σ = 0°.56±0°.07 for an assumed Gaussian model. The 1-100 GeV LAT spectrum of this source is well described by a power law with a spectral index of 1.38 ± 0.12 ± 0.16 and an integral flux above 1 GeV of (6.50 ± 0.21 ± 3.90) × 10^-9 cm^-2 s^-1. The first errors represent the statistical errors on the fit parameters, while the second ones are the systematic uncertainties. Detailed morphological and spectral analyses bring new constraints on the energetics and magnetic field of the PWN system. The spatial extent and hard spectrum of the GeV emission are consistent with the picture of an inverse Compton origin of the GeV-TeV emission in a cooling-limited nebula powered by the pulsar PSR J1826-1334.

Affiliations:

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Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">DETECTION OF THE PULSAR WIND NEBULA HESS J1825-137 WITH THE FERMI LARGE AREA TELESCOPE</title>
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<author><name sortKey="Cognard, I" sort="Cognard, I" uniqKey="Cognard I" first="I." last="Cognard">I. Cognard</name>
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<s2>18330 Nançay</s2>
<s3>FRA</s3>
<sZ>7 aut.</sZ>
<sZ>19 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">Nançay</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Esyinoza, C M" sort="Esyinoza, C M" uniqKey="Esyinoza C" first="C. M." last="Esyinoza">C. M. Esyinoza</name>
<affiliation wicri:level="4"><inist:fA14 i1="06"><s1>Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, The University of Manchester</s1>
<s2>M13 9PL</s2>
<s3>GBR</s3>
<sZ>8 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>20 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="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="07"><s1>Max-Planck-Institut fur Radioastronomie, Auf dem Hügel 69</s1>
<s2>53121 Bonn</s2>
<s3>DEU</s3>
<sZ>9 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 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="Grove, J E" sort="Grove, J E" uniqKey="Grove J" first="J. E." last="Grove">J. E. Grove</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>10 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Washington, DC 20375</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="07"><s1>Max-Planck-Institut fur Radioastronomie, Auf dem Hügel 69</s1>
<s2>53121 Bonn</s2>
<s3>DEU</s3>
<sZ>9 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 aut.</sZ>
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<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="Johnston, S" sort="Johnston, S" uniqKey="Johnston S" first="S." last="Johnston">S. Johnston</name>
<affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Australia Telescope National Facility, CSIRO</s1>
<s2>Epping, NSW 1710</s2>
<s3>AUS</s3>
<sZ>12 aut.</sZ>
</inist:fA14>
<country>Australie</country>
<wicri:noRegion>Epping, NSW 1710</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Kramer, M" sort="Kramer, M" uniqKey="Kramer M" first="M." last="Kramer">M. Kramer</name>
<affiliation wicri:level="4"><inist:fA14 i1="06"><s1>Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, The University of Manchester</s1>
<s2>M13 9PL</s2>
<s3>GBR</s3>
<sZ>8 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>20 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>
<affiliation wicri:level="3"><inist:fA14 i1="07"><s1>Max-Planck-Institut fur Radioastronomie, Auf dem Hügel 69</s1>
<s2>53121 Bonn</s2>
<s3>DEU</s3>
<sZ>9 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>13 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="Lande, J" sort="Lande, J" uniqKey="Lande J" first="J." last="Lande">J. Lande</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><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>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Stanford, CA 94305</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Michelson, P" sort="Michelson, P" uniqKey="Michelson P" first="P." last="Michelson">P. Michelson</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><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>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Stanford, CA 94305</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Possenti, A" sort="Possenti, A" uniqKey="Possenti A" first="A." last="Possenti">A. Possenti</name>
<affiliation wicri:level="1"><inist:fA14 i1="10"><s1>INAF-Cagliari Astronomical Observatory</s1>
<s2>09012 Capoterra (CA)</s2>
<s3>ITA</s3>
<sZ>16 aut.</sZ>
</inist:fA14>
<country>Italie</country>
<wicri:noRegion>INAF-Cagliari Astronomical Observatory</wicri:noRegion>
</affiliation>
</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="02"><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>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>Stanford, CA 94305</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Skilton, J L" sort="Skilton, J L" uniqKey="Skilton J" first="J. L." last="Skilton">J. L. Skilton</name>
<affiliation wicri:level="4"><inist:fA14 i1="11"><s1>School of Physics and Astronomy, University of Leeds</s1>
<s2>Leeds LS2 9JT</s2>
<s3>GBR</s3>
<sZ>18 aut.</sZ>
</inist:fA14>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Leeds</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Yorkshire-et-Humber</region>
</placeName>
<orgName type="university">Université de Leeds</orgName>
</affiliation>
</author>
<author><name sortKey="Theureau, G" sort="Theureau, G" uniqKey="Theureau G" first="G." last="Theureau">G. Theureau</name>
<affiliation wicri:level="3"><inist:fA14 i1="05"><s1>Laboratoire de Physique et Chimie de l'Environnement, LPCE UMR 6115 CNRS, F-45071 Orleans Cedex 02, and Station de radioastronomie de Nançay, Observatoire de Paris, CNRS/INSU</s1>
<s2>18330 Nançay</s2>
<s3>FRA</s3>
<sZ>7 aut.</sZ>
<sZ>19 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">Nançay</settlement>
</placeName>
</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="06"><s1>Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, The University of Manchester</s1>
<s2>M13 9PL</s2>
<s3>GBR</s3>
<sZ>8 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>20 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>
</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>Energetics</term>
<term>Gamma emission</term>
<term>Gamma radiation</term>
<term>GeV range</term>
<term>Magnetic fields</term>
<term>Models</term>
<term>Power law</term>
<term>Pulsars</term>
<term>Spectral analysis</term>
<term>Spectral index</term>
<term>TeV range</term>
<term>Uncertainty</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Pulsar</term>
<term>Domaine énergie GeV</term>
<term>Rayonnement gamma</term>
<term>Emission gamma</term>
<term>Modèle</term>
<term>Loi puissance</term>
<term>Indice spectral</term>
<term>Incertitude</term>
<term>Analyse spectrale</term>
<term>Energétique</term>
<term>Champ magnétique</term>
<term>Domaine énergie TeV</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">We announce the discovery of 1-100 GeV gamma-ray emission from the archetypal TeV pulsar wind nebula (PWN) HESS J 1825-137 using 20 months of survey data from the Fermi-Large Area Telescope (LAT). The gamma-ray emission detected by the LAT is significantly spatially extended, with a best-fit rms extension of σ = 0°.56±0°.07 for an assumed Gaussian model. The 1-100 GeV LAT spectrum of this source is well described by a power law with a spectral index of 1.38 ± 0.12 ± 0.16 and an integral flux above 1 GeV of (6.50 ± 0.21 ± 3.90) × 10<sup>-9</sup>
 cm<sup>-2</sup>
 s<sup>-1</sup>
. The first errors represent the statistical errors on the fit parameters, while the second ones are the systematic uncertainties. Detailed morphological and spectral analyses bring new constraints on the energetics and magnetic field of the PWN system. The spatial extent and hard spectrum of the GeV emission are consistent with the picture of an inverse Compton origin of the GeV-TeV emission in a cooling-limited nebula powered by the pulsar PSR J1826-1334.</div>
</front>
</TEI>
<affiliations><list><country><li>Allemagne</li>
<li>Australie</li>
<li>France</li>
<li>Italie</li>
<li>Royaume-Uni</li>
<li>États-Unis</li>
</country>
<region><li>Angleterre</li>
<li>Aquitaine</li>
<li>Centre-Val de Loire</li>
<li>District de Cologne</li>
<li>Grand Manchester</li>
<li>Nouvelle-Aquitaine</li>
<li>Rhénanie-du-Nord-Westphalie</li>
<li>Région Centre</li>
<li>Yorkshire-et-Humber</li>
<li>État de New York</li>
</region>
<settlement><li>Bonn</li>
<li>Gradignan</li>
<li>Leeds</li>
<li>Manchester</li>
<li>Nançay</li>
<li>New York</li>
</settlement>
<orgName><li>Université Columbia</li>
<li>Université de Leeds</li>
<li>Université de Manchester</li>
</orgName>
</list>
<tree><country name="France"><region name="Nouvelle-Aquitaine"><name sortKey="Grondin, M H" sort="Grondin, M H" uniqKey="Grondin M" first="M.-H." last="Grondin">M.-H. Grondin</name>
</region>
<name sortKey="Cognard, I" sort="Cognard, I" uniqKey="Cognard I" first="I." last="Cognard">I. Cognard</name>
<name sortKey="Lemoine Goumard, M" sort="Lemoine Goumard, M" uniqKey="Lemoine Goumard M" first="M." last="Lemoine-Goumard">M. Lemoine-Goumard</name>
<name sortKey="Theureau, G" sort="Theureau, G" uniqKey="Theureau G" first="G." last="Theureau">G. Theureau</name>
</country>
<country name="États-Unis"><noRegion><name sortKey="Funk, S" sort="Funk, S" uniqKey="Funk S" first="S." last="Funk">S. Funk</name>
</noRegion>
<name sortKey="Camilo, F" sort="Camilo, F" uniqKey="Camilo F" first="F." last="Camilo">F. Camilo</name>
<name sortKey="Grove, J E" sort="Grove, J E" uniqKey="Grove J" first="J. E." last="Grove">J. E. Grove</name>
<name sortKey="Lande, J" sort="Lande, J" uniqKey="Lande J" first="J." last="Lande">J. Lande</name>
<name sortKey="Michelson, P" sort="Michelson, P" uniqKey="Michelson P" first="P." last="Michelson">P. Michelson</name>
<name sortKey="Romani, R W" sort="Romani, R W" uniqKey="Romani R" first="R. W." last="Romani">R. W. Romani</name>
<name sortKey="Van Etten, A" sort="Van Etten, A" uniqKey="Van Etten A" first="A." last="Van Etten">A. Van Etten</name>
</country>
<country name="Royaume-Uni"><noRegion><name sortKey="Hinton, J A" sort="Hinton, J A" uniqKey="Hinton J" first="J. A." last="Hinton">J. A. Hinton</name>
</noRegion>
<name sortKey="Esyinoza, C M" sort="Esyinoza, C M" uniqKey="Esyinoza C" first="C. M." last="Esyinoza">C. M. Esyinoza</name>
<name sortKey="Kramer, M" sort="Kramer, M" uniqKey="Kramer M" first="M." last="Kramer">M. Kramer</name>
<name sortKey="Skilton, J L" sort="Skilton, J L" uniqKey="Skilton J" first="J. L." last="Skilton">J. L. Skilton</name>
<name sortKey="Weltevrede, P" sort="Weltevrede, P" uniqKey="Weltevrede P" first="P." last="Weltevrede">P. Weltevrede</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="Guillemot, L" sort="Guillemot, L" uniqKey="Guillemot L" first="L." last="Guillemot">L. Guillemot</name>
<name sortKey="Kramer, M" sort="Kramer, M" uniqKey="Kramer M" first="M." last="Kramer">M. Kramer</name>
</country>
<country name="Australie"><noRegion><name sortKey="Johnston, S" sort="Johnston, S" uniqKey="Johnston S" first="S." last="Johnston">S. Johnston</name>
</noRegion>
</country>
<country name="Italie"><noRegion><name sortKey="Possenti, A" sort="Possenti, A" uniqKey="Possenti A" first="A." last="Possenti">A. Possenti</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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DETECTION OF THE PULSAR WIND NEBULA HESS J1825-137 WITH THE FERMI LARGE AREA TELESCOPE

DETECTION OF THE PULSAR WIND NEBULA HESS J1825-137 WITH THE FERMI LARGE AREA TELESCOPE

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