Detection of very high energy radiation from HESS J1908+063 confirms the Milagro unidentified source MGRO J1908+06

被引：68

作者：

Aharonian, F. ^{[1
,21
]}

Akhperjanian, A. G. ^{[2
]}

Anton, G. ^{[18
]}

de Almeida, U. Barres ^{[23
]}

Bazer-Bachi, A. R. ^{[3
]}

Becherini, Y. ^{[27
,28
]}

Behera, B. ^{[20
]}

Benbow, W. ^{[1
]}

Bernloehr, K. ^{[1
,5
]}

Boisson, C. ^{[6
]}

Bochow, A. ^{[1
]}

Borrel, V. ^{[3
]}

Braun, I. ^{[1
]}

Brion, E. ^{[22
]}

Brucker, J. ^{[18
]}

Brun, P. ^{[22
]}

Buehler, R. ^{[1
]}

Bulik, T. ^{[11
]}

Buesching, I. ^{[24
]}

Boutelier, T. ^{[29
]}

Carrigan, S. ^{[1
]}

Chadwick, P. M. ^{[23
]}

Charbonnier, A. ^{[30
]}

Chaves, R. C. G. ^{[1
]}

Cheesebrough, A. ^{[23
]}

Chounet, L. -M. ^{[25
]}

Clapson, A. C. ^{[1
]}

Coignet, G. ^{[26
]}

Dalton, M. ^{[5
]}

Daniel, M. K. ^{[23
]}

Degrange, B. ^{[25
]}

Deil, C. ^{[1
]}

Dickinson, H. J. ^{[23
]}

Djannati-Atai, A. ^{[27
,28
]}

Domainko, W. ^{[1
]}

Drury, L. O'C. ^{[21
]}

Dubois, F. ^{[26
]}

Dubus, G. ^{[29
]}

Dyks, J. ^{[11
]}

Dyrda, M. ^{[8
]}

Egberts, K. ^{[1
]}

Emmanoulopoulos, D. ^{[20
]}

Espigat, P. ^{[27
,28
]}

Farnier, C. ^{[19
]}

Feinstein, F. ^{[19
]}

Fiasson, A. ^{[19
]}

Foerster, A. ^{[1
]}

Fontaine, G. ^{[25
]}

Fuessling, M. ^{[5
]}

Gabici, S. ^{[21
]}

机构：

[1] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany

[2] Yerevan Phys Inst, Yerevan 375036, Armenia

[3] Ctr Etud Spatiale Rayonnements, CNRS, UPS, F-31029 Toulouse 4, France

[4] Univ Hamburg, Inst Expt Phys, D-22761 Hamburg, Germany

[5] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[6] Univ Paris Diderot, CNRS, Observ Paris, LUTH, F-92190 Meudon, France

[7] Stanford Univ, HEPL & KIPAC, Stanford, CA 94305 USA

[8] Inst Fizyki Jadrowej PAN, PL-31342 Krakow, Poland

[9] Nicholas Copernicus Univ, Torun Ctr Astron, PL-87100 Torun, Poland

[10] Univ Adelaide, Sch Chem & Phys, Adelaide, SA 5005, Australia

[11] Nicolaus Copernicus Astron Ctr, PL-00716 Warsaw, Poland

[12] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England

[13] Uniwersytet Jagiellonski, Obserwatorium Astron, PL-30244 Krakow, Poland

[14] Univ Namibia, Windhoek, Namibia

[15] Ruhr Univ Bochum, Inst Theoret Phys, Lehrstuhl Weltraum & Astrophys 4, D-44780 Bochum, Germany

[16] Charles Univ Prague, Inst Particle & Nucl Phys, CR-18000 Prague 8, Czech Republic

[17] Univ Tubingen, Inst Astron & Astrophys, D-72076 Tubingen, Germany

[18] Univ Erlangen Nurnberg, Inst Phys, D-91058 Erlangen, Germany

[19] Univ Montpellier 2, CNRS, IN2P3, Lab Phys Theor & Astroparticules, F-34095 Montpellier 5, France

[20] Heidelberg Univ, D-69117 Heidelberg, Germany

[21] Dublin Inst Adv Studies, Dublin 2, Ireland

[22] CE Saclay, IRFU DSM CEA, F-91191 Gif Sur Yvette, France

[23] Univ Durham, Dept Phys, Durham DH1 3LE, England

[24] North West Univ, Unit Space Phys, ZA-2520 Potchefstroom, South Africa

[25] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France

[26] Lab Annecy Le Vieux Phys Particules, CNRS, IN2P3, F-74941 Annecy Le Vieux, France

[27] Univ Paris 07, CNRS, Astroparticule & Cosmol APC, F-75205 Paris 13, France

[28] Univ Paris 07, CNRS, Observ Paris, CEA,UMR 7164, F-75205 Paris 13, France

[29] Univ Grenoble 1, CNRS, INSU, Lab Astrophys Grenoble, F-38041 Grenoble 9, France

[30] Univ Paris 07, Univ Paris 06, LPNHE, CNRS IN2P3, F-75252 Paris 5, France

来源：

ASTRONOMY & ASTROPHYSICS | 2009年 / 499卷 / 03期

基金：

英国科学技术设施理事会; 新加坡国家研究基金会;

关键词：

gamma rays: observations; GAMMA-RAY EMISSION; MOLECULAR CLOUDS; DISCOVERY; COINCIDENT; REMNANT; CATALOG; SYSTEM;

D O I：

10.1051/0004-6361/200811357

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Aims. Detection of gamma-ray source above 300 GeV is reported, confirming the unidentified source MGRO J1908+06, discovered by the Milagro collaboration at a median energy of 20 TeV. Methods. The source was observed during 27 h as part of the extension of the HESS Galactic plane survey to longitudes > 30 degrees. Results. HESS J1908+063 is detected at a significance level of 10.9 sigma with an integral flux above 1 TeV of (3.76 +/- 0.29 (stat) +/- 0.75(sys)) x 10(-12) ph cm(-2) s(-1), and a spectral photon index Gamma = 2.10 +/- 0.07 (stat) +/- 0.2(sys). The positions and fluxes of HESS J1908+063 and MGRO J1908+06 are in good agreement. Possible counterparts at other wavelengths and the origin of the gamma-ray emission are discussed. The nearby unidentified GeV source, GRO J1908+0556 (GeV) which also remains unidentified and the new Fermi pulsar 0FGL J1907.5+0617, may be connected to the TeV source.

引用

页码：723 / 728

页数：6

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