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Observations of the Large Magellanic Cloud with Fermi

dc.contributor.authorABDO, A.A.
dc.contributor.authorACKERMANN, Markus
dc.contributor.authorAJELLO, Marco
dc.contributor.authorB. ATWOOD, W.
dc.contributor.authorBALDINI, Luca
hal.structure.identifierAstrophysique Interprétation Modélisation [AIM (UMR7158 / UMR_E_9005 / UM_112)]
dc.contributor.authorBALLET, Jean
dc.contributor.authorBARBIELLINI, Guido
dc.contributor.authorBASTIERI, D.
dc.contributor.authorM. BAUGHMAN, B.
dc.contributor.authorBECHTOL, K.
hal.structure.identifierAstrophysique Interprétation Modélisation [AIM (UMR7158 / UMR_E_9005 / UM_112)]
dc.contributor.authorBELLAZZINI, R.
dc.contributor.authorBERENJI, B.
dc.contributor.authorD. BLANDFORD, R.
dc.contributor.authorD. BLOOM, E.
dc.contributor.authorBONAMENTE, E.
dc.contributor.authorW. BORGLAND, A.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorBREGEON, J.
dc.contributor.authorBREZ, A.
dc.contributor.authorBRIGIDA, M.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorBRUEL, Pascal
dc.contributor.authorH. BURNETT, T.
dc.contributor.authorBUSON, S.
dc.contributor.authorA. CALIANDRO, G.
dc.contributor.authorA. CAMERON, R.
dc.contributor.authorCARAVEO, P. A.
hal.structure.identifierAstrophysique Interprétation Modélisation [AIM (UMR7158 / UMR_E_9005 / UM_112)]
dc.contributor.authorM. CASANDJIAN, J.
dc.contributor.authorCECCHI, C.
dc.contributor.authorÇELIK, Ö.
dc.contributor.authorCHEKHTMAN, A.
dc.contributor.authorC. CHEUNG, C.
dc.contributor.authorCHIANG, J.
dc.contributor.authorCIPRINI, S.
dc.contributor.authorCLAUS, R.
dc.contributor.authorCOHEN-TANUGI, J.
dc.contributor.authorR. COMINSKY, L.
dc.contributor.authorCONRAD, J.
dc.contributor.authorCUTINI, S.
dc.contributor.authorD. DERMER, C.
dc.contributor.authorDE ANGELIS, A.
dc.contributor.authorDE PALMA, F.
dc.contributor.authorW. DIGEL, S.
dc.contributor.authorDO COUTO E SILVA, E.
dc.contributor.authorS. DRELL, P.
dc.contributor.authorDUBOIS, R.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorDUMORA, D.
dc.contributor.authorFARNIER, C.
dc.contributor.authorFAVUZZI, C.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorJ. FEGAN, S.
dc.contributor.authorB. FOCKE, W.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorFORTIN, P.
dc.contributor.authorFRAILIS, M.
dc.contributor.authorFUKAZAWA, Y.
dc.contributor.authorFUSCO, P.
dc.contributor.authorGARGANO, F.
dc.contributor.authorGASPARRINI, D.
dc.contributor.authorGEHRELS, N.
dc.contributor.authorGERMANI, S.
dc.contributor.authorGIAVITTO, G.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorGIEBELS, B.
dc.contributor.authorGIGLIETTO, N.
dc.contributor.authorGIORDANO, F.
dc.contributor.authorGLANZMAN, T.
dc.contributor.authorGODFREY, G.
dc.contributor.authorV. GOTTHELF, E.
hal.structure.identifierAstrophysique Interprétation Modélisation [AIM (UMR7158 / UMR_E_9005 / UM_112)]
dc.contributor.authorA. GRENIER, I.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorGRONDIN, M.-H.
dc.contributor.authorE. GROVE, J.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorGUILLEMOT, L.
dc.contributor.authorGUIRIEC, S.
dc.contributor.authorHANABATA, Y.
dc.contributor.authorK. HARDING, A.
dc.contributor.authorHAYASHIDA, M.
dc.contributor.authorHAYS, E.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorHORAN, D.
dc.contributor.authorE. HUGHES, R.
dc.contributor.authorS. JACKSON, M.
dc.contributor.authorJEAN, P.
dc.contributor.authorJÓHANNESSON, G.
dc.contributor.authorS. JOHNSON, A.
dc.contributor.authorP. JOHNSON, R.
dc.contributor.authorJ. JOHNSON, T.
dc.contributor.authorN. JOHNSON, W.
dc.contributor.authorKAMAE, T.
dc.contributor.authorKATAGIRI, H.
dc.contributor.authorKATAOKA, J.
dc.contributor.authorKAWAI, N.
dc.contributor.authorKERR, M.
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
dc.contributor.authorKNÖDLSEDER, Jürgen
dc.contributor.authorL. KOCIAN, M.
dc.contributor.authorKUSS, M.
dc.contributor.authorLANDE, J.
dc.contributor.authorLATRONICO, L.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorLEMOINE-GOUMARD, M.
dc.contributor.authorLONGO, F.
dc.contributor.authorLOPARCO, F.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorLOTT, B.
dc.contributor.authorN. LOVELLETTE, M.
dc.contributor.authorLUBRANO, P.
dc.contributor.authorM. MADEJSKI, G.
dc.contributor.authorMAKEEV, A.
dc.contributor.authorMARSHALL, F.
dc.contributor.authorMARTIN, P.
dc.contributor.authorN. MAZZIOTTA, M.
dc.contributor.authorMCCONVILLE, W.
dc.contributor.authorE. MCENERY, J.
dc.contributor.authorMEURER, C.
dc.contributor.authorF. MICHELSON, P.
dc.contributor.authorMITTHUMSIRI, W.
dc.contributor.authorMIZUNO, T.
dc.contributor.authorA. MOISEEV, A.
dc.contributor.authorMONTE, C.
dc.contributor.authorE. MONZANI, M.
dc.contributor.authorMORSELLI, A.
dc.contributor.authorV. MOSKALENKO, I.
dc.contributor.authorMURGIA, S.
dc.contributor.authorL. NOLAN, P.
dc.contributor.authorP. NORRIS, J.
dc.contributor.authorNUSS, E.
dc.contributor.authorOHSUGI, T.
dc.contributor.authorOMODEI, N.
dc.contributor.authorORLANDO, E.
dc.contributor.authorF. ORMES, J.
dc.contributor.authorPANEQUE, D.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorPARENT, D.
dc.contributor.authorPELASSA, V.
dc.contributor.authorPEPE, M.
dc.contributor.authorPESCE-ROLLINS, M.
dc.contributor.authorPIRON, F.
dc.contributor.authorPORTER, T.A.
dc.contributor.authorRAINÒ, S.
dc.contributor.authorRANDO, R.
dc.contributor.authorRAZZANO, M.
dc.contributor.authorREIMER, A.
dc.contributor.authorREIMER, O.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorREPOSEUR, T.
dc.contributor.authorRITZ, S.
dc.contributor.authorY. RODRIGUEZ, A.
dc.contributor.authorW. ROMANI, R.
dc.contributor.authorROTH, M.
dc.contributor.authorRYDE, F.
dc.contributor.authorF.-W. SADROZINSKI, H.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorSANCHEZ, D.
dc.contributor.authorSANDER, A.
dc.contributor.authorM. SAZ PARKINSON, P.
hal.structure.identifierAstrophysique Interprétation Modélisation [AIM (UMR7158 / UMR_E_9005 / UM_112)]
dc.contributor.authorD. SCARGLE, J.
dc.contributor.authorSELLERHOLM, A.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorSGRÒ, C.
dc.contributor.authorJ. SISKIND, E.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorSMITH, David Stanley
dc.contributor.authorD. SMITH, P.
dc.contributor.authorSPANDRE, G.
dc.contributor.authorSPINELLI, P.
hal.structure.identifierAstrophysique Interprétation Modélisation [AIM (UMR7158 / UMR_E_9005 / UM_112)]
dc.contributor.authorSTARCK, Jean-Luc
dc.contributor.authorS. STRICKMAN, M.
dc.contributor.authorW. STRONG, A.
dc.contributor.authorJ. SUSON, D.
dc.contributor.authorTAJIMA, H.
dc.contributor.authorTAKAHASHI, H.
dc.contributor.authorTANAKA, T.
dc.contributor.authorB. THAYER, J.
dc.contributor.authorG. THAYER, J.
dc.contributor.authorJ. THOMPSON, D.
hal.structure.identifierAstrophysique Interprétation Modélisation [AIM (UMR7158 / UMR_E_9005 / UM_112)]
dc.contributor.authorTIBALDO, L.
dc.contributor.authorF. TORRES, D.
dc.contributor.authorTOSTI, G.
dc.contributor.authorTRAMACERE, A.
dc.contributor.authorUCHIYAMA, Y.
dc.contributor.authorL. USHER, T.
dc.contributor.authorVASILEIOU, V.
dc.contributor.authorVENTER, C.
hal.structure.identifierCentre d'étude spatiale des rayonnements [CESR]
dc.contributor.authorVILCHEZ, N.
dc.contributor.authorVITALE, V.
dc.contributor.authorP. WAITE, A.
dc.contributor.authorWANG, P.
dc.contributor.authorWELTEVREDE, P.
dc.contributor.authorL. WINER, B.
dc.contributor.authorS. WOOD, K.
dc.contributor.authorYLINEN, T.
dc.contributor.authorZIEGLER, M.
dc.date.issued2010-03
dc.identifier.issn0004-6361
dc.description.abstractEnContext: The Large Magellanic Cloud (LMC) is to date the only normal external galaxy that has been detected in high-energy gamma rays. High-energy gamma rays trace particle acceleration processes and gamma-ray observations allow the nature and sites of acceleration to be studied. Aims: We characterise the distribution and sources of cosmic rays in the LMC from analysis of gamma-ray observations. Methods: We analyse 11 months of continuous sky-survey observations obtained with the Large Area Telescope aboard the Fermi Gamma-Ray Space Telescope and compare it to tracers of the interstellar medium and models of the gamma-ray sources in the LMC. Results: The LMC is detected at 33 sigma significance. The integrated >100 MeV photon flux of the LMC amounts to (2.6 +/- 0.2) * 10^-7 ph/cm2/s which corresponds to an energy flux of (1.6 +/- 0.1) * 10^-10 erg/cm2/s, with additional systematic uncertainties of ~16%. The analysis reveals the massive star forming region 30 Doradus as a bright source of gamma-ray emission in the LMC in addition to fainter emission regions found in the northern part of the galaxy. The gamma-ray emission from the LMC shows very little correlation with gas density and is rather correlated to tracers of massive star forming regions. The close confinement of gamma-ray emission to star forming regions suggests a relatively short GeV cosmic-ray proton diffusion length. Conclusions: The close correlation between cosmic-ray density and massive star tracers supports the idea that cosmic rays are accelerated in massive star forming regions as a result of the large amounts of kinetic energy that are input by the stellar winds and supernova explosions of massive stars into the interstellar medium.
dc.language.isoen
dc.publisherEDP Sciences
dc.subject.enacceleration of particles
dc.subject.encosmic rays
dc.subject.enMagellanic Clouds
dc.subject.engamma rays: galaxies
dc.title.enObservations of the Large Magellanic Cloud with Fermi
dc.typeArticle de revue
dc.identifier.doi10.1051/0004-6361/200913474
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Phénomènes cosmiques de haute energie [astro-ph.HE]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Phénomènes cosmiques de haute energie [astro-ph.HE]
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Astrophysique galactique [astro-ph.GA]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Astrophysique galactique [astro-ph.GA]
dc.identifier.arxiv1001.3298
bordeaux.journalAstronomy and Astrophysics - A&A
bordeaux.pageA7
bordeaux.volume512
bordeaux.peerReviewedoui
hal.identifierin2p3-00482693
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//in2p3-00482693v1
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