FERMI OBSERVATIONS OF HIGH-ENERGY GAMMA-RAY EMISSION FROM GRB 080825C

被引：62

作者：

Abdo, A. A. ^{[1
,2
]}

Ackermann, M. ^{[3
,4
]}

Asano, K. ^{[5
,6
]}

Atwood, W. B. ^{[7
,8
]}

Axelsson, M. ^{[9
,10
]}

Baldini, L. ^{[11
]}

Ballet, J. ^{[12
]}

Band, D. L. ^{[13
]}

Barbiellini, G. ^{[14
,15
]}

Bastieri, D. ^{[16
,17
]}

Bechtol, K. ^{[3
,4
]}

Bellazzini, R. ^{[11
]}

Berenji, B. ^{[3
,4
]}

Bhat, P. N. ^{[18
]}

Bissaldi, E. ^{[19
]}

Bloom, E. D. ^{[3
,4
]}

Bonamente, E. ^{[20
,21
]}

Borgland, A. W. ^{[3
,4
]}

Bouvier, A. ^{[3
,4
]}

Bregeon, J. ^{[11
]}

Brez, A. ^{[11
]}

Briggs, M. S. ^{[18
]}

Brigida, M. ^{[22
,23
]}

Bruel, P. ^{[24
]}

Burnett, T. H. ^{[25
]}

Caliandro, G. A. ^{[22
,23
]}

Cameron, R. A. ^{[3
,4
]}

Caraveo, P. A. ^{[26
]}

Casandjian, J. M. ^{[12
]}

Cecchi, C. ^{[20
,21
]}

Chaplin, V. ^{[18
]}

Chekhtman, A. ^{[1
,27
]}

Cheung, C. C.

Chiang, J. ^{[3
,4
]}

Ciprini, S. ^{[20
,21
]}

Claus, R. ^{[3
,4
]}

Cohen-Tanugi, J. ^{[28
]}

Cominsky, L. R. ^{[29
]}

Connaughton, V. ^{[18
]}

Conrad, J. ^{[10
,30
,31
]}

Cutini, S. ^{[32
]}

Dermer, C. D. ^{[1
]}

de Angelis, A. ^{[33
,34
]}

de Palma, F. ^{[22
,23
]}

Digel, S. W. ^{[3
,4
]}

do Couto e Silva, E. ^{[3
,4
]}

Drell, P. S. ^{[3
,4
]}

Dubois, R. ^{[3
,4
]}

Dumora, D. ^{[35
,36
]}

Farnier, C. ^{[28
]}

机构：

[1] USN, Div Space Sci, Res Lab, Washington, DC 20375 USA

[2] Natl Acad Sci, Natl Res Council Res Associate, Washington, DC 20001 USA

[3] Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA

[4] Stanford Univ, SLAC, Natl Accelerator Lab, Stanford, CA 94305 USA

[5] Tokyo Inst Technol, Dept Phys, Meguro, Tokyo 1528551, Japan

[6] Tokyo Inst Technol, Interact Res Ctr Sci, Meguro, Tokyo 1528551, Japan

[7] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Dept Phys, Santa Cruz, CA 95064 USA

[8] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA

[9] Stockholm Univ, Dept Astron, SE-10691 Stockholm, Sweden

[10] Oskar Klein Ctr Cosmo Particle Phys, SE-10691 Stockholm, Sweden

[11] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy

[12] Univ Paris Diderot, CNRS, CEA Saclay, Lab AIM,CEA IRFU,Serv Astrophys, F-91191 Gif Sur Yvette, France

[13] NASA, Goddard Space Flight Ctr, CRESST, Greenbelt, MD 20771 USA

[14] Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy

[15] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy

[16] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

[17] Univ Padua, Dipartimento Fis G Galilei, I-35131 Padua, Italy

[18] Univ Alabama, Huntsville, AL 35899 USA

[19] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany

[20] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy

[21] Univ Perugia, Dipartimento Fis, I-06123 Perugia, Italy

[22] Univ & Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy

[23] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy

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

[25] Univ Washington, Dept Phys, Seattle, WA 98195 USA

[26] Ist Astrofis Spaziale & Fis Cosm, INAF, I-20133 Milan, Italy

[27] George Mason Univ, Fairfax, VA 22030 USA

[28] Univ Montpellier 2, CNRS, IN2P3, Lab Phys Theor & Astroparticules, Montpellier, France

[29] Sonoma State Univ, Dept Phys & Astron, Rohnert Pk, CA 94928 USA

[30] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden

[31] Royal Inst Technol KTH, Dept Phys, SE-10691 Stockholm, Sweden

[32] Agenzia Spaziale Italiana Sci Data Ctr, I-00044 Frascati, Roma, Italy

[33] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy

[34] Ist Nazl Fis Nucl, Sez Trieste, Grp Collegato Udine, I-33100 Udine, Italy

[35] Univ Bordeaux, Ctr Etud Nucl Bordeaux Gradignan, UMR 5797, F-33175 Gradignan, France

[36] CEN Bordeaux Gradignan, IN2P3, CNRS, UMR 5797, F-33175 Gradignan, France

[37] Hiroshima Univ, Dept Phys Sci, Hiroshima 7398526, Japan

[38] Univ Maryland, College Pk, MD 20742 USA

[39] Sci Applicat Int Corp, Huntsville, AL 35899 USA

[40] Univ Hertfordshire, Ctr Astrophys Res, Hatfield AL10 9AB, Herts, England

[41] Ohio State Univ, Dept Phys, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA

[42] Waseda Univ, Shinjuku Ku, Tokyo 1698050, Japan

[43] RIKEN, Cosm Radiat Lab, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan

[44] UPS, CNRS, Ctr Etud Spatiale Rayonnements, F-31028 Toulouse 4, France

[45] NASA, George C Marshall Space Flight Ctr, Huntsville, AL 35812 USA

[46] Natl Univ Ireland Univ Coll Dublin, Dublin 4, Ireland

[47] Univ Space Res Assoc, Columbia, MD 21044 USA

[48] Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy

[49] Univ Trieste, I-34127 Trieste, Italy

[50] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy

来源：

ASTROPHYSICAL JOURNAL | 2009年 / 707卷 / 01期

关键词：

gamma rays: bursts; SPECTRAL COMPONENT; COMPTON EMISSION; BURST; LIMITS;

D O I：

10.1088/0004-637X/707/1/580

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Fermi Gamma-ray Space Telescope has opened a new high-energy window in the study of gamma-ray bursts (GRBs). Here we present a thorough analysis of GRB 080825C, which triggered the Fermi Gamma-ray Burst Monitor (GBM), and was the first firm detection of a GRB by the Fermi Large Area Telescope (LAT). We discuss the LAT event selections, background estimation, significance calculations, and localization for Fermi GRBs in general and GRB 080825C in particular. We show the results of temporal and time-resolved spectral analysis of the GBM and LAT data. We also present some theoretical interpretation of GRB 080825C observations as well as some common features observed in other LAT GRBs.

引用

页码：580 / 592

页数：13

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