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VHE $\gamma$-ray discovery and multiwavelength study of the blazar 1ES 2322−409

dc.contributor.authorABDALLA, H.
dc.contributor.authorAHARONIAN, F.
dc.contributor.authorBENKHALI, F. Ait
hal.structure.identifierCentre de Physique des Particules de Marseille [CPPM]
dc.contributor.authorANGÜNER, E.O.
dc.contributor.authorARAKAWA, M.
dc.contributor.authorARCARO, C.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorARMAND, C.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorARRIETA, M.
dc.contributor.authorBACKES, M.
dc.contributor.authorBARNARD, M.
dc.contributor.authorBECHERINI, Y.
dc.contributor.authorBECKER TJUS, J.
dc.contributor.authorBERGE, D.
dc.contributor.authorBERNHARD, S.
dc.contributor.authorBERNLÖHR, K.
dc.contributor.authorBLACKWELL, R.
dc.contributor.authorBÖTTCHER, M.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorBOISSON, C.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorBOLMONT, J.
dc.contributor.authorBONNEFOY, S.
dc.contributor.authorBORDAS, P.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorBREGEON, J.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorBRUN, F.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorBRUN, P.
dc.contributor.authorBRYAN, M.
dc.contributor.authorBÜCHELE, M.
dc.contributor.authorBULIK, T.
dc.contributor.authorBYLUND, T.
dc.contributor.authorCAPASSO, M.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorCAROFF, S.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorCAROSI, A.
dc.contributor.authorCASANOVA, S.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorCERRUTI, M.
dc.contributor.authorCHAKRABORTY, N.
dc.contributor.authorCHANDRA, S.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorCHAVES, R.C.G.
dc.contributor.authorCHEN, A.
dc.contributor.authorCOLAFRANCESCO, S.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorCONDON, B.
dc.contributor.authorDAVIDS, I.D.
dc.contributor.authorDEIL, C.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorDEVIN, J.
dc.contributor.authorDEWILT, P.
dc.contributor.authorDIRSON, L.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorDJANNATI-ATAÏ, A.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorDMYTRIIEV, A.
dc.contributor.authorDONATH, A.
dc.contributor.authorDRURY, L.O'C.
dc.contributor.authorDYKS, J.
dc.contributor.authorEGBERTS, K.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorEMERY, G.
hal.structure.identifierCentre de Physique des Particules de Marseille [CPPM]
dc.contributor.authorERNENWEIN, J.P.
dc.contributor.authorESCHBACH, S.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorFEGAN, S.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorFIASSON, A.
hal.structure.identifierCollège de France [CdF (institution)]
dc.contributor.authorFONTAINE, G.
dc.contributor.authorFUNK, S.
dc.contributor.authorFÜSSLING, M.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorGABICI, S.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorGALLANT, Y.A.
dc.contributor.authorGARRIGOUX, T.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorGATÉ, F.
dc.contributor.authorGIAVITTO, G.
dc.contributor.authorGLAWION, D.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorGLICENSTEIN, J.F.
dc.contributor.authorGOTTSCHALL, D.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorGRONDIN, M.H.
dc.contributor.authorHAHN, J.
dc.contributor.authorHAUPT, M.
dc.contributor.authorHEINZELMANN, G.
hal.structure.identifierInstitut de Planétologie et d'Astrophysique de Grenoble [IPAG]
dc.contributor.authorHENRI, G.
dc.contributor.authorHERMANN, G.
dc.contributor.authorHINTON, J.A.
dc.contributor.authorHOFMANN, W.
dc.contributor.authorHOISCHEN, C.
dc.contributor.authorHOLCH, T.L.
dc.contributor.authorHOLLER, M.
dc.contributor.authorHORNS, D.
dc.contributor.authorHUBER, D.
dc.contributor.authorIWASAKI, H.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorJACHOLKOWSKA, A.
dc.contributor.authorJAMROZY, M.
dc.contributor.authorJANKOWSKY, D.
dc.contributor.authorJANKOWSKY, F.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorJOUVIN, L.
dc.contributor.authorJUNG-RICHARDT, I.
dc.contributor.authorKASTENDIECK, M.A.
dc.contributor.authorKATARZYŃSKI, K.
dc.contributor.authorKATSURAGAWA, M.
dc.contributor.authorKATZ, U.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorKERSZBERG, D.
dc.contributor.authorKHANGULYAN, D.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorKHÉLIFI, B.
dc.contributor.authorKING, J.
dc.contributor.authorKLEPSER, S.
dc.contributor.authorKLUŹNIAK, W.
dc.contributor.authorKOMIN, Nu.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorKOSACK, K.
dc.contributor.authorKRAKAU, S.
dc.contributor.authorKRAUS, M.
dc.contributor.authorKRÜGER, P.P.
dc.contributor.authorLAMANNA, G.
dc.contributor.authorLAU, J.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorLEFAUCHEUR, J.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorLEMIÈRE, A.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorLEMOINE-GOUMARD, M.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorLENAIN, J.P.
dc.contributor.authorLESER, E.
dc.contributor.authorLOHSE, T.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorLORENTZ, M.
dc.contributor.authorLÓPEZ-COTO, R.
dc.contributor.authorLYPOVA, I.
dc.contributor.authorMALYSHEV, D.
dc.contributor.authorMARANDON, V.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorMARCOWITH, Alexandre
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorMARIAUD, C.
dc.contributor.authorMARTÍ-DEVESA, G. Guillem
dc.contributor.authorMARX, R.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorMAURIN, G.
dc.contributor.authorMEINTJES, P.J.
dc.contributor.authorMITCHELL, A.M.W.
dc.contributor.authorMODERSKI, R.
dc.contributor.authorMOHAMED, M.
dc.contributor.authorMOHRMANN, L.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorMOULIN, E.
dc.contributor.authorMURACH, T.
dc.contributor.authorNAKASHIMA, S.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorDE NAUROIS, M.
dc.contributor.authorNDIYAVALA, H.
dc.contributor.authorNIEDERWANGER, F.
dc.contributor.authorNIEMIEC, J.
dc.contributor.authorOAKES, L.
dc.contributor.authorO'BRIEN, P.
dc.contributor.authorODAKA, H.
dc.contributor.authorOHM, S.
dc.contributor.authorOSTROWSKI, M.
dc.contributor.authorOYA, I.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorPADOVANI, M.
dc.contributor.authorPANTER, M.
dc.contributor.authorPARSONS, R.D.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorPERENNES, C.
hal.structure.identifierInstitut de Planétologie et d'Astrophysique de Grenoble [IPAG]
dc.contributor.authorPETRUCCI, P.O.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorPEYAUD, B.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorPIEL, Q.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorPITA, S.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorPOIREAU, V.
dc.contributor.authorNOEL, A. Priyana
dc.contributor.authorPROKHOROV, D.A.
dc.contributor.authorPROKOPH, H.
dc.contributor.authorPÜHLHOFER, G.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorPUNCH, M.
dc.contributor.authorQUIRRENBACH, A.
dc.contributor.authorRAAB, S.
dc.contributor.authorRAUTH, R.
dc.contributor.authorREIMER, A.
dc.contributor.authorREIMER, O.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorRENAUD, Matthieu
dc.contributor.authorRIEGER, F.
hal.structure.identifierDépartement d'Astrophysique (ex SAP) [DAP]
dc.contributor.authorRINCHIUSO, L.
dc.contributor.authorROMOLI, C.
dc.contributor.authorROWELL, G.
dc.contributor.authorRUDAK, B.
dc.contributor.authorRUIZ-VELASCO, E.
dc.contributor.authorSAHAKIAN, V.
dc.contributor.authorSAITO, S.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorSANCHEZ, D.A.
dc.contributor.authorSANTANGELO, A.
dc.contributor.authorSASAKI, M.
dc.contributor.authorSCHLICKEISER, R.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorSCHÜSSLER, F.
dc.contributor.authorSCHULZ, A.
dc.contributor.authorSCHWANKE, U.
dc.contributor.authorSCHWEMMER, S.
dc.contributor.authorSEGLAR-ARROYO, M.
dc.contributor.authorSENNIAPPAN, M.
dc.contributor.authorSEYFFERT, A.S.
dc.contributor.authorSHAFI, N.
dc.contributor.authorSHILON, I.
dc.contributor.authorSHININGAYAMWE, K.
dc.contributor.authorSIMONI, R.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorSINHA, A.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorSOL, H.
dc.contributor.authorSPANIER, F.
dc.contributor.authorSPECOVIUS, A.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorSPIR-JACOB, M.
dc.contributor.authorSTAWARZ, Ł.
dc.contributor.authorSTEENKAMP, R.
dc.contributor.authorSTEGMANN, C.
dc.contributor.authorSTEPPA, C.
dc.contributor.authorSUSHCH, I.
dc.contributor.authorTAKAHASHI, T.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorTAVERNET, J.P.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorTAVERNIER, T.
dc.contributor.authorTAYLOR, A.M.
hal.structure.identifierCollège de France [CdF (institution)]
dc.contributor.authorTERRIER, R.
dc.contributor.authorTIBALDO, L.
dc.contributor.authorTIZIANI, D.
dc.contributor.authorTLUCZYKONT, M.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorTRICHARD, C.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorTSIROU, M.
dc.contributor.authorTSUJI, N.
dc.contributor.authorTUFFS, R.
dc.contributor.authorUCHIYAMA, Y.
dc.contributor.authorVAN DER WALT, D.J.
dc.contributor.authorVAN ELDIK, C.
dc.contributor.authorVAN RENSBURG, C.
dc.contributor.authorVAN SOELEN, B.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorVASILEIADIS, George
dc.contributor.authorVEH, J.
dc.contributor.authorVENTER, C.
dc.contributor.authorVIANA, A.
hal.structure.identifierCommissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information [CEA-LETI]
dc.contributor.authorVINCENT, P.
dc.contributor.authorVINK, J.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorVOISIN, F.
dc.contributor.authorVÖLK, H.J.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorVUILLAUME, T.
dc.contributor.authorWADIASINGH, Z.
dc.contributor.authorWAGNER, S.J.
dc.contributor.authorWAGNER, P.
dc.contributor.authorWAGNER, R.M.
dc.contributor.authorWHITE, R.
dc.contributor.authorWIERZCHOLSKA, A.
dc.contributor.authorWÖRNLEIN, A.
dc.contributor.authorYANG, R.
hal.structure.identifierCentre de Physique des Particules de Marseille [CPPM]
dc.contributor.authorZABOROV, D.
dc.contributor.authorZACHARIAS, M.
dc.contributor.authorZANIN, R.
dc.contributor.authorZDZIARSKI, A.A.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorZECH, A.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorZEFI, F.
dc.contributor.authorZIEGLER, A.
dc.contributor.authorZORN, J.
dc.contributor.authorŻYWUCKA, N.
dc.date.issued2019
dc.identifier.issn0035-8711
dc.description.abstractEnA hotspot at a position compatible with the BL Lac object 1ES 2322−409 was serendipitously detected with H.E.S.S. during observations performed in 2004 and 2006 on the blazar PKS 2316−423. Additional data on 1ES 2322−409 were taken in 2011 and 2012, leading to a total live-time of 22.3 h. Point-like very-high-energy (VHE; |$E\gt 100\, \mathrm{GeV}$|⁠) γ-ray emission is detected from a source centred on the 1ES 2322−409 position, with an excess of 116.7 events at a significance of 6.0σ. The average VHE γ-ray spectrum is well described with a power law with a photon index Γ = 3.40 ± 0.66_stat ± 0.20_sys and an integral flux |$\Phi (E\gt 200\, \mathrm{GeV}) = (3.11\pm 0.71_{\rm stat}\pm 0.62_{\rm sys})\times 10^{-12} \, \mathrm{cm}^{-2} \, \mathrm{s}^{-1}$|⁠, which corresponds to 1.1 |${{\ \rm per\ cent}}$| of the Crab nebula flux above |$200\, \mathrm{GeV}$|⁠. Multiwavelength data obtained with Fermi LAT, Swift XRT and UVOT, RXTE PCA, ATOM, and additional data from WISE, GROND, and Catalina are also used to characterize the broad-band non-thermal emission of 1ES 2322−409. The multiwavelength behaviour indicates day-scale variability. Swift UVOT and XRT data show strong variability at longer scales. A spectral energy distribution (SED) is built from contemporaneous observations obtained around a high state identified in Swift data. A modelling of the SED is performed with a stationary homogeneous one-zone synchrotron-self-Compton leptonic model. The redshift of the source being unknown, two plausible values were tested for the modelling. A systematic scan of the model parameters space is performed, resulting in a well-constrained combination of values providing a good description of the broad-band behaviour of 1ES 2322−409.
dc.language.isoen
dc.publisherOxford University Press (OUP): Policy P - Oxford Open Option A
dc.subject.enradiation mechanisms: non-thermal
dc.subject.engalaxies: active
dc.subject.enBL Lacertae objects: individual: 1ES 2322−409
dc.subject.engamma-rays: galaxies
dc.subject.enmodel: leptonic
dc.subject.engamma ray: VHE
dc.subject.engamma ray: energy spectrum
dc.subject.enblazar
dc.subject.enenergy: flux
dc.subject.enprincipal component analysis
dc.subject.enspectral
dc.subject.enredshift
dc.subject.enphoton: flux
dc.subject.enGLAST
dc.subject.enHESS
dc.subject.enMAGIC
dc.subject.enX-ray
dc.subject.enoptical
dc.subject.enbackground
dc.subject.enpixel
dc.subject.endensity
dc.subject.enultraviolet
dc.subject.enradio wave
dc.subject.eninfrared
dc.subject.enproton synchrotron
dc.subject.ensynchrotron radiation
dc.title.enVHE $\gamma$-ray discovery and multiwavelength study of the blazar 1ES 2322−409
dc.typeArticle de revue
dc.identifier.doi10.1093/mnras/sty2686
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]
dc.identifier.arxiv1810.04641
bordeaux.journalMonthly Notices of the Royal Astronomical Society
bordeaux.page3011-3022
bordeaux.volume482
bordeaux.issue3
bordeaux.peerReviewedoui
hal.identifierhal-01921605
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01921605v1
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