Fermi-LAT Observations of the Gamma-Ray Burst GRB 130427A

被引:228
|
作者
Ackermann, M. [1 ]
Ajello, M. [2 ]
Asano, K. [3 ]
Atwood, W. B. [4 ,5 ]
Axelsson, M. [6 ,7 ,8 ]
Baldini, L. [9 ,10 ]
Ballet, J. [11 ]
Barbiellini, G. [12 ,13 ]
Baring, M. G. [14 ]
Bastieri, D. [15 ,16 ]
Bechtol, K. [17 ,18 ]
Bellazzini, R. [10 ]
Bissaldi, E. [19 ,20 ]
Bonamente, E. [21 ]
Bregeon, J. [10 ]
Brigida, M. [22 ,23 ,24 ]
Bruel, P. [25 ]
Buehler, R. [1 ]
Burgess, J. Michael [26 ]
Buson, S. [15 ,16 ]
Caliandro, G. A. [27 ]
Cameron, R. A. [17 ,18 ]
Caraveo, P. A. [28 ]
Cecchi, C. [21 ]
Chaplin, V. [26 ]
Charles, E. [17 ,18 ]
Chekhtman, A. [29 ,30 ]
Cheung, C. C. [31 ]
Chiang, J. [17 ,18 ]
Chiaro, G. [16 ]
Ciprini, S. [32 ,33 ]
Claus, R. [17 ,18 ]
Cleveland, W. [34 ]
Cohen-Tanugi, J. [35 ]
Collazzi, A. [36 ]
Cominsky, L. R. [37 ]
Connaughton, V. [26 ]
Conrad, J. [7 ,38 ,39 ]
Cutini, S. [32 ,33 ]
D'Ammando, F. [40 ]
de Angelis, A. [41 ,42 ]
DeKlotz, M. [43 ]
de Palma, F. [22 ,23 ,24 ]
Dermer, C. D. [31 ]
Desiante, R. [12 ]
Diekmann, A. [44 ]
Di Venere, L. [17 ,18 ]
Drell, P. S. [17 ,18 ]
Drlica-Wagner, A. [17 ,18 ]
Favuzzi, C. [22 ,23 ,24 ]
机构
[1] Deutsch Elektronen Synchrotron DESY, D-15738 Zeuthen, Germany
[2] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA
[3] Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan
[4] Univ Calif Santa Cruz, Dept Phys, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA
[5] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA
[6] Stockholm Univ, Dept Astron, SE-10691 Stockholm, Sweden
[7] AlbaNova, Oskar Klein Ctr Cosmoparticle Phys, SE-10691 Stockholm, Sweden
[8] AlbaNova, Royal Inst Technol KTH, Dept Phys, SE-10691 Stockholm, Sweden
[9] Univ Pisa, I-56127 Pisa, Italy
[10] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
[11] Univ Paris Diderot, CEA Saclay, Serv Astrophys, Lab AIM,CEA IRFU CNRS, F-91191 Gif Sur Yvette, France
[12] Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy
[13] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy
[14] Rice Univ, Dept Phys & Astron, Houston, TX 77251 USA
[15] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
[16] Univ Padua, Dipartimento Fis & Astron G Galilei, I-35131 Padua, Italy
[17] Kavli Inst Particle Astrophys & Cosmol, WW Hansen Expt Phys Lab, Dept Phys, Stanford, CA 94305 USA
[18] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
[19] Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy
[20] Univ Trieste, I-34127 Trieste, Italy
[21] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy
[22] Univ Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
[23] Politecn Bari, I-70126 Bari, Italy
[24] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
[25] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France
[26] Univ Alabama, Ctr Space Plasma & Aeronom Res, Huntsville, AL 35899 USA
[27] CSIC, Inst Ciencies Espai IEEE, Barcelona 08193, Spain
[28] INAF Ist Astrofis Spaziale & Fis Cosm, I-20133 Milan, Italy
[29] George Mason Univ, Coll Sci, Ctr Earth Observing & Space Res, Fairfax, VA 22030 USA
[30] Naval Res Lab, Washington, DC 20375 USA
[31] Naval Res Lab, Div Space Sci, Washington, DC 20375 USA
[32] Agenzia Spaziale Italiana Sci Data Ctr, I-00044 Rome, Italy
[33] Osserv Astron Roma, Ist Nazl Astrofis, I-00040 Rome, Italy
[34] Univ Space Res Assoc, Columbia, MD 21044 USA
[35] Univ Montpellier 2, CNRS, IN2P3, Lab Univers & Particules Montpellier, Montpellier, France
[36] NASA, Postdoctoral Program, Washington, DC USA
[37] Sonoma State Univ, Dept Phys & Astron, Rohnert Pk, CA 94928 USA
[38] Stockholm Univ, AlbaNova, Dept Phys, SE-10691 Stockholm, Sweden
[39] Royal Swedish Acad Sci, SE-10405 Stockholm, Sweden
[40] INAF Ist Radioastron, I-40129 Bologna, Italy
[41] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy
[42] Ist Nazl Fis Nucl, Sez Trieste, Grp Collegato Udine, I-33100 Udine, Italy
[43] Stellar Solut Inc, Palo Alto, CA 94306 USA
[44] Jacobs Technol, Huntsville, AL 35806 USA
[45] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[46] Univ Coll Dublin, Dublin 4, Ireland
[47] Hiroshima Univ, Dept Phys Sci, Hiroshima 7398526, Japan
[48] Open Univ Israel, Dept Nat Sci, IL-43537 Raanana, Israel
[49] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany
[50] Kyoto Univ, Grad Sch Sci, Dept Astron, Sakyo Ku, Kyoto 6068502, Japan
关键词
LARGE-AREA TELESCOPE; HIGH-ENERGY EMISSION; SPECTRAL COMPONENT; AFTERGLOW; PROMPT;
D O I
10.1126/science.1242353
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The observations of the exceptionally bright gamma-ray burst (GRB) 130427A by the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope provide constraints on the nature of these unique astrophysical sources. GRB 130427A had the largest fluence, highest-energy photon (95 GeV), longest gamma-ray duration (20 hours), and one of the largest isotropic energy releases ever observed from a GRB. Temporal and spectral analyses of GRB 130427A challenge the widely accepted model that the nonthermal high-energy emission in the afterglow phase of GRBs is synchrotron emission radiated by electrons accelerated at an external shock.
引用
收藏
页码:42 / 47
页数:6
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