HESS and Fermi-LAT discovery of γ-rays from the blazar 1ES 1312−423

Collaboration, H. E. S. S.; Abramowski, A.; Acero, F.; Aharonian, Felix; Akhperjanian, A. G.; Angüner, E.; Anton, G.; Balenderan, S.; Balzer, A.; Barnacka, A.; Becherini, Y.; Tjus, J. Becker; Bernlöhr, Konrad; Birsin, E.; Bissaldi, E.; Biteau, J.; Boisson, C.; Bolmont, J.; Bordas, P.; Brucker, J.; Brun, Francois; Brun, P.; Bulik, T.; Carrigan, Svenja; Casanova, Sabrina; Cerruti, M.; Chadwick, P. M.; Chalme-Calvet, R.; Chaves, R. C. G.; Cheesebrough, A.; Chrétien, M.; Colafrancesco, S.; Cologna, G.; Conrad, J.; Couturier, C.; Dalton, M.; Daniel, M. K.; Davids, I. D.; Degrange, B.; Deil, Christoph; deWilt, P.; Dickinson, H. J.; Djannati-Ataï, A.; Domainko, Wilfried; Drury, L. O'C.; Dubus, G.; Dutson, K.; Dyks, J.; Dyrda, M.; Edwards, Tanya; Egberts, K.; Eger, Peter; Espigat, P.; Farnier, C.; Fegan, S.; Feinstein, F.; Fernandes, M. V.; Fernandez, D.; Fiasson, A.; Fontaine, G.; Förster, Andreas; Füßling, M.; Gajdus, M.; Gallant, Y. A.; Garrigoux, T.; Gast, Henning; Giebels, B.; Glicenstein, J. F.; Göring, D.; Grondin, M. -H.; Grudzińska, M.; Häffner, S.; Hague, John Douglas; Hahn, Joachim; Harris, J.; Heinzelmann, G.; Henri, G.; Hermann, German; Hervet, O.; Hillert, Andreas; Hinton, J. A.; Hofmann, Werner; Hofverberg, Petter; Holler, M.; Horns, D.; Jacholkowska, A.; Jahn, C.; Jamrozy, M.; Janiak, M.; Jankowsky, F.; Jung, I.; Kastendieck, M. A.; Katarzyński, K.; Katz, U.; Kaufmann, S.; Khélifi, B.; Kieffer, M.; Klepser, S.; Klochkov, D.; Kluźniak, W.; Kneiske, T.; Kolitzus, D.; Komin, Nu.; Kosack, K.; Krakau, S.; Krayzel, F.; Krüger, P. P.; Laffon, H.; Lamanna, G.; Lefaucheur, J.; Lemoine-Goumard, M.; Lenain, J. -P.; Lennarz, D.; Lohse, T.; Lopatin, A.; Lu, Chia-Chun; Marandon, Vincent; Marcowith, A.; Maurin, G.; Maxted, N.; Mayer, M.; McComb, T. J. L.; Medina, M. C.; Méhault, J.; Menzler, U.; Meyer, M.; Moderski, R.; Mohamed, M.; Moulin, E.; Murach, T.; Naumann, C. L.; de Naurois, M.; Nedbal, D.; Niemiec, J.; Nolan, S. J.; Oakes, L.; Ohm, S.; de Ona Wilhelmi, Emma; Opitz, B.; Ostrowski, M.; Oya, I.; Arribas, M. Paz; Panter, M.; Parsons, R. D.; Pekeur, N. W.; Pelletier, G.; Perez, J.; Petrucci, P. -O.; Peyaud, B.; Pita, S.; Poon, Helen; Pühlhofer, G.; Punch, M.; Quirrenbach, A.; Raab, S.; Raue, M.; Reimer, A.; Reimer, O.; Renaud, M.; De los Reyes, Raquel; Rieger, Frank; Rob, L.; Rosier-Lees, S.; Rowell, G.; Rudak, B.; Rulten, C. B.; Sahakian, V.; Sanchez, David; Santangelo, A.; Schlickeiser, R.; Schüssler, F.; Schulz, A.; Schwanke, U.; Schwarzburg, S.; Schwemmer, S.; Sol, H.; Spengler, G.; Spieß, F.; Stawarz, {Ł. }; Steenkamp, R.; Stegmann, C.; Stinzing, F.; Stycz, K.; Sushch, I.; Szostek, A.; Tavernet, J. -P.; Terrier, R.; Tluczykont, M.; Trichard, C.; Valerius, K.; van Eldik, C.; Vasileiadis, G.; Venter, C.; Viana, A.; Vincent, P.; Völk, Heinrich J.; Volpe, Francesca; Vorster, M.; Wagner, S. J.; Wagner, P.; Ward, M.; Weidinger, M.; White, R.; Wierzcholska, A.; Willmann, P.; Wörnlein, A.; Wouters, D.; Zacharias, M.; Zajczyk, A.; Zdziarski, A. A.; Zech, A.; Zechlin, H. -S.; Perkins, J. S.; Ojha, R.; Stevens, J.; Edwards, P. G.; Kadler, M.

doi:10.1093/mnras/stt1081

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HESS and Fermi-LAT discovery of γ-rays from the blazar 1ES 1312−423

Collaboration, H. E. S. S., Abramowski, A., Acero, F., Aharonian, F., Akhperjanian, A. G., Angüner, E., et al. (2013). HESS and Fermi-LAT discovery of γ-rays from the blazar 1ES 1312−423. Monthly Notices of the Royal Astronomical Society, 434(3), 1889-1901. doi:10.1093/mnras/stt1081.

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Collaboration, H. E. S. S., Author
Abramowski, A., Author
Acero, F., Author
Aharonian, Felix¹, Author
Akhperjanian, A. G., Author
Angüner, E., Author
Anton, G., Author
Balenderan, S., Author
Balzer, A., Author
Barnacka, A., Author
Becherini, Y., Author
Tjus, J. Becker, Author
Bernlöhr, Konrad¹, Author
Birsin, E., Author
Bissaldi, E., Author
Biteau, J., Author
Boisson, C., Author
Bolmont, J., Author
Bordas, P., Author
Brucker, J., Author
Brun, Francois¹, Author         Brun, P., AuthorBulik, T., AuthorCarrigan, Svenja¹, Author         Casanova, Sabrina¹, Author         Cerruti, M., AuthorChadwick, P. M., AuthorChalme-Calvet, R., AuthorChaves, R. C. G., AuthorCheesebrough, A., AuthorChrétien, M., AuthorColafrancesco, S., AuthorCologna, G., AuthorConrad, J., AuthorCouturier, C., AuthorDalton, M., AuthorDaniel, M. K., AuthorDavids, I. D., AuthorDegrange, B., AuthorDeil, Christoph¹, Author         deWilt, P., AuthorDickinson, H. J., AuthorDjannati-Ataï, A., AuthorDomainko, Wilfried¹, Author         Drury, L. O'C., AuthorDubus, G., AuthorDutson, K., AuthorDyks, J., AuthorDyrda, M., AuthorEdwards, Tanya¹, Author         Egberts, K., AuthorEger, Peter¹, Author         Espigat, P., AuthorFarnier, C., AuthorFegan, S., AuthorFeinstein, F., AuthorFernandes, M. V., AuthorFernandez, D., AuthorFiasson, A., AuthorFontaine, G., AuthorFörster, Andreas¹, Author         Füßling, M., AuthorGajdus, M., AuthorGallant, Y. A., AuthorGarrigoux, T., AuthorGast, Henning¹, Author         Giebels, B., AuthorGlicenstein, J. F., AuthorGöring, D., AuthorGrondin, M. -H., AuthorGrudzińska, M., AuthorHäffner, S., AuthorHague, John Douglas¹, Author         Hahn, Joachim¹, Author         Harris, J., AuthorHeinzelmann, G., AuthorHenri, G., AuthorHermann, German¹, Author         Hervet, O., AuthorHillert, Andreas¹, Author         Hinton, J. A., AuthorHofmann, Werner¹, Author         Hofverberg, Petter¹, Author         Holler, M., AuthorHorns, D., AuthorJacholkowska, A., AuthorJahn, C., AuthorJamrozy, M., AuthorJaniak, M., AuthorJankowsky, F., AuthorJung, I., AuthorKastendieck, M. A., AuthorKatarzyński, K., AuthorKatz, U., AuthorKaufmann, S., AuthorKhélifi, B., AuthorKieffer, M., AuthorKlepser, S., AuthorKlochkov, D., AuthorKluźniak, W., AuthorKneiske, T., AuthorKolitzus, D., AuthorKomin, Nu., AuthorKosack, K., AuthorKrakau, S., AuthorKrayzel, F., AuthorKrüger, P. P., AuthorLaffon, H., AuthorLamanna, G., AuthorLefaucheur, J., AuthorLemoine-Goumard, M., AuthorLenain, J. -P., AuthorLennarz, D., AuthorLohse, T., AuthorLopatin, A., AuthorLu, Chia-Chun¹, Author         Marandon, Vincent¹, Author         Marcowith, A., AuthorMaurin, G., AuthorMaxted, N., AuthorMayer, M., AuthorMcComb, T. J. L., AuthorMedina, M. C., AuthorMéhault, J., AuthorMenzler, U., AuthorMeyer, M., AuthorModerski, R., AuthorMohamed, M., AuthorMoulin, E., AuthorMurach, T., AuthorNaumann, C. L., Authorde Naurois, M., AuthorNedbal, D., AuthorNiemiec, J., AuthorNolan, S. J., AuthorOakes, L., AuthorOhm, S., Authorde Ona Wilhelmi, Emma¹, Author         Opitz, B., AuthorOstrowski, M., AuthorOya, I., AuthorArribas, M. Paz, AuthorPanter, M.¹, Author         Parsons, R. D.¹, Author         Pekeur, N. W., AuthorPelletier, G., AuthorPerez, J., AuthorPetrucci, P. -O., AuthorPeyaud, B., AuthorPita, S., AuthorPoon, Helen¹, Author         Pühlhofer, G., AuthorPunch, M., AuthorQuirrenbach, A., AuthorRaab, S., AuthorRaue, M., AuthorReimer, A., AuthorReimer, O., AuthorRenaud, M., AuthorDe los Reyes, Raquel¹, Author         Rieger, Frank¹, Author         Rob, L., AuthorRosier-Lees, S., AuthorRowell, G., AuthorRudak, B., AuthorRulten, C. B., AuthorSahakian, V., AuthorSanchez, David¹, Author         Santangelo, A., AuthorSchlickeiser, R., AuthorSchüssler, F., AuthorSchulz, A., AuthorSchwanke, U., AuthorSchwarzburg, S., AuthorSchwemmer, S., AuthorSol, H., AuthorSpengler, G., AuthorSpieß, F., AuthorStawarz, {Ł. }, AuthorSteenkamp, R., AuthorStegmann, C., AuthorStinzing, F., AuthorStycz, K., AuthorSushch, I., AuthorSzostek, A., AuthorTavernet, J. -P., AuthorTerrier, R., AuthorTluczykont, M., AuthorTrichard, C., AuthorValerius, K., Authorvan Eldik, C., AuthorVasileiadis, G., AuthorVenter, C., AuthorViana, A., AuthorVincent, P., AuthorVölk, Heinrich J.², Author         Volpe, Francesca¹, Author         Vorster, M., AuthorWagner, S. J., AuthorWagner, P., AuthorWard, M., AuthorWeidinger, M., AuthorWhite, R., AuthorWierzcholska, A., AuthorWillmann, P., AuthorWörnlein, A., AuthorWouters, D., AuthorZacharias, M., AuthorZajczyk, A., AuthorZdziarski, A. A., AuthorZech, A., AuthorZechlin, H. -S., AuthorPerkins, J. S., AuthorOjha, R., AuthorStevens, J., AuthorEdwards, P. G., AuthorKadler, M., Author more..

Affiliations:
1Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, ou_904550
2Prof. Heinrich J. Völk, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907548

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE

Abstract: A deep observation campaign carried out by the High Energy Stereoscopic System (H.E.S.S.) on Centaurus A enabled the discovery of gamma rays from the blazar 1ES 1312-423, two degrees away from the radio galaxy. With a differential flux at 1 TeV of (1.9 +/-0.6(stat) +/-0.4(sys)) x 10^{-13} /cm^2 /s /TeV corresponding to 0.5% of the Crab nebula differential flux and a spectral index of 2.9 +/- 0.5 (stat) +/- 0.2 (sys), 1ES 1312-423 is one of the faintest sources ever detected in the very high energy (E>100 GeV) extragalactic sky. A careful analysis using three and a half years of Fermi-LAT data allows the discovery at high energies (E>100 MeV) of a hard spectrum (index of 1.4 +/- 0.4 (stat) +/- 0.2 (sys)) source coincident with 1ES 1312-423. Radio, optical, UV and X-ray observations complete the spectral energy distribution of this blazar, now covering 16 decades in energy. The emission is successfully fitted with a synchrotron self Compton model for the non-thermal component, combined with a black-body spectrum for the optical emission from the host galaxy.

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Dates: Published Online: 2013-08-01

Publication Status: Published online

Pages: 12 pages, 10 figures, accepted in MNRAS

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Identifiers: arXiv: 1306.3186
DOI: 10.1093/mnras/stt1081
URI: http://arxiv.org/abs/1306.3186

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Title: Monthly Notices of the Royal Astronomical Society

Source Genre: Journal

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Publ. Info: Oxford : Blackwell Science

Pages: - Volume / Issue: 434 (3) Sequence Number: - Start / End Page: 1889 - 1901 Identifier: ISSN: 1365-8711
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000024150