2013MNRAS.434.1889H


C.D.S. - SIMBAD4 rel 1.7 - 2021.02.25CET18:04:54

2013MNRAS.434.1889H - Mon. Not. R. Astron. Soc., 434, 1889-1901 (2013/September-3)

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

HESS C., ABRAMOWSKI A., ACERO F., AHARONIAN F., AKHPERJANIAN A.G., ANGUNER E., ANTON G., BALENDERAN S., BALZER A., BARNACKA A., BECHERINI Y., BECKER TJUS J., BERNLOHR K., BIRSIN E., BISSALDI E., BITEAU J., BOISSON C., BOLMONT J., BORDAS P., BRUCKER J., BRUN F., BRUN P., BULIK T., CARRIGAN S., CASANOVA S., CERRUTI M., CHADWICK P.M., CHALME-CALVET R., CHAVES R.C.G., CHEESEBROUGH A., CHRETIEN M., COLAFRANCESCO S., COLOGNA G., CONRAD J., COUTURIER C., DALTON M., DANIEL M.K., DAVIDS I.D., DEGRANGE B., DEIL C., DEWILT P., DICKINSON H.J., DJANNATI-ATAI A., DOMAINKO W., DRURY L.O'C., DUBUS G., DUTSON K., DYKS J., DYRDA M., EDWARDS T., EGBERTS K., EGER P., ESPIGAT P., FARNIER C., FEGAN S., FEINSTEIN F., FERNANDES M.V., FERNANDEZ D., FIASSON A., FONTAINE G., FORSTER A., FUSSLING M., GAJDUS M., GALLANT Y.A., GARRIGOUX T., GAST H., GIEBELS B., GLICENSTEIN J.F., GORING D., GRONDIN M.-H., GRUDZINSKA M., HAFFNER S., HAGUE J.D., HAHN J., HARRIS J., HEINZELMANN G., HENRI G., HERMANN G., HERVET O., HILLERT A., HINTON J.A., HOFMANN W., HOFVERBERG P., HOLLER M., HORNS D., JACHOLKOWSKA A., JAHN C., JAMROZY M., JANIAK M., JANKOWSKY F., JUNG I., KASTENDIECK M.A., KATARZYNSKI K., KATZ U., KAUFMANN S., KHELIFI B., KIEFFER M., KLEPSER S., KLOCHKOV D., KLUZNIAK W., KNEISKE T., KOLITZUS D., KOMIN NU., KOSACK K., KRAKAU S., KRAYZEL F., KRUGER P.P., LAFFON H., LAMANNA G., LEFAUCHEUR J., LEMOINE-GOUMARD M., LENAIN J.-P., LENNARZ D., LOHSE T., LOPATIN A., LU C.-C., MARANDON V., MARCOWITH A., MAURIN G., MAXTED N., MAYER M., McCOMB T.J.L., MEDINA M.C., MEHAULT 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 E., OPITZ B., OSTROWSKI M., OYA I., PANTER M., PARSONS R.D., PAZ ARRIBAS M., PEKEUR N.W., PELLETIER G., PEREZ J., PETRUCCI P.-O., PEYAUD B., PITA S., POON H., PUHLHOFER G., PUNCH M., QUIRRENBACH A., RAAB S., RAUE M., REIMER A., REIMER O., RENAUD M., DE LOS REYES R., RIEGER F., ROB L., ROSIER-LEES S., ROWELL G., RUDAK B., RULTEN C.B., SAHAKIAN V., SANCHEZ D.A., SANTANGELO A., SCHLICKEISER R., SCHUSSLER F., SCHULZ A., SCHWANKE U., SCHWARZBURG S., SCHWEMMER S., SOL H., SPENGLER G., SPIESS F., STAWARZ L., 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., VOLK H.J., VOLPE F., VORSTER M., WAGNER S.J., WAGNER P., WARD M., WEIDINGER M., WHITE R., WIERZCHOLSKA A., WILLMANN P., WORNLEIN 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. and KADLER M.

Abstract (from CDS):

A deep observation campaign carried out by the High Energy Stereoscopic System (HESS) on Centaurus A enabled the discovery of γ-rays from the blazar 1ES 1312-423, 2° away from the radio galaxy. With a differential flux at 1 TeV of φ(1TeV) = (1.9±0.6stat±0.4sys)x10–13/cm2/s/TeV corresponding to 0.5percent of the Crab nebula differential flux and a spectral index Γ = 2.9±0.5stat±0.2sys, 1ES 1312-423 is one of the faintest sources ever detected in the very high energy (E > 100GeV) extragalactic sky. A careful analysis using three and a half years of Fermi Large Area Telescope (Fermi-LAT) data allows the discovery at high energies (E > 100MeV) of a hard spectrum (Γ = 1.4±0.4stat±0.2sys) 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 blackbody spectrum for the optical emission from the host galaxy.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): radiation mechanisms: non-thermal - galaxies: active - BL Lacertae objects: individual: 1ES 1312-423 - galaxies: jets - gamma-rays: galaxies

Simbad objects: 7

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Number of rows : 7

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 M 1 SNR 05 34 31.94 +22 00 52.2           ~ 5702 4
2 Mrk 421 BLL 11 04 27.3139210166 +38 12 31.798324828   13.50 12.90 8.31   ~ 2426 1
3 2MASX J13150336-4236500 BLL 13 15 03.3899187349 -42 36 49.750831008   18.07 16.6 16.59   ~ 88 0
4 NAME Centaurus A Sy2 13 25 27.61509104 -43 01 08.8056025   8.18 6.84 6.66   ~ 4075 3
5 4C 39.49 BLL 16 53 52.21668494 +39 45 36.6089458 14.09 14.15 13.29 8.26   ~ 1954 2
6 ICRF J193925.0-634245 Sy2 19 39 25.02671 -63 42 45.6255   18.87 18.37 17.64   ~ 993 1
7 QSO B2155-304 BLL 21 58 52.0651817803 -30 13 32.120657891   13.36 13.09 12.62   ~ 1591 1

    Equat.    Gal    SGal    Ecl

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2021.02.25-18:04:54

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