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GRB 990123
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The optical afterglow of gamma-ray burst GRB-990123 was imaged on January 23, 1999. Astronomers obtained a visible-light image of GRB 990123 as it occurred on January 23, 1999, using the ROTSE-I telescope, sited in Los Alamos, New Mexico. The robotic telescope was fully automated, responding to...
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GRB 670702
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The Vela 4 satellite detected the first gamma-ray burst (GRB 670702) on July 2, 1967 Read more (PDF) The Very First Gamma-Ray Burst Read more (PDF) GRB 670702 1 ,the rst detected GRB,showed two peaks in burst activity over a period of seconds.The rst peak lasted for about an eighth of a second and the...
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MAXI J1659-152
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Title: The identification of MAXI J1659-152 as a black hole candidate Authors: M. Kalamkar, J. Homan, D. Altamirano, M. van der Klis, P. Casella, M. Linares We report on the analysis of all 65 pointed Rossi X-ray Timing Explorer observations of the recently discovered soft X-ray transient MAXI J16...
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GRB 121027A
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Title: Giant X-ray Bump in GRB 121027A: Evidence for Fall-back Disk Accretion Authors: Xue-Feng Wu, Shu-Jin Hou, Wei-Hua Lei The most interesting discovery in GRB 121027A is the giant X-ray bump detected by Swift/XRT. The X-ray afterglow re-brightens sharply at ~ 1000 s since the trigger by more t...
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GRB 930131
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The gamma-ray burst of 1993 January 31 (GRB 930131, the so-called Superbowl burst) was the highest peak count GRB recorded by BATSE [the Compton Gamma-Ray Observatory] in the third catalogue (Kouveliotou et al. 1994a; Meegan et al. 1996). It was a rare GRB in which very high energy (GeV) photons w...
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GRB 080407
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Title: GRB 080407: an ultra-long burst discovered by the IPN Authors: V. Pal'shin, K. Hurley, J. Goldsten, I. G. Mitrofanov, W. Boynton, A. von Kienlin, J. Cummings, M. Feroci, R. Aptekar, D. Frederiks, S. Golenetskii, E. Mazets, D. Svinkin, D. Golovin, M. L. Litvak, A. B. Sanin, C. Fellows, K. Hars...
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GRB 110731a
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Title: Two distinct phases in the first 13 seconds of GRB110731a prompt emission Authors: Mohammad A. F. Basha In this work, the time-resolved BAT/GBM/LAT joint spectral analysis of GRB110731A during the prompt phase from GBM trigger and up to 13 seconds showed that, at the very early phase of prom...
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GRB 110721A
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Title: GRB110721A: An extreme peak energy and signatures of the photosphere Authors: The Fermi LAT Collaboration, the GBM Collaboration, A. Pe'er GRB110721A was observed by the Fermi Gamma-ray Space Telescope using its two instruments the Large Area Telescope (LAT) and the Gamma-ray Burst Mon...
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First Observed Gamma-Ray Burst
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In 1969, while looking back over Vela 4 data just prior to the launch of Vela 5 satellite, Ray Klebesadel and Roy Olsen found an event recorded by Vela 4a,b on July 2, 1967 which also triggered the still operational Vela 3 satellites. The event appeared to be a cosmic gamma-ray burst but at the time the co...
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GRB 100814A
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Title: GRB100814A as a member of the growing set of bursts with sudden optical rebrightening Authors: Massimiliano De Pasquale, N. P. Kuin, S. Oates, M. Page, S. Zane, C. Saxton, S. Schulze, Z. Cano, C. Guidorzi, P. Chandra, D. Frail, P. Evans, A. Beardmore, A. Castro-Tirado, J. Gorosabel, T. Fatkh...
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GRB 100219A
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Title: GRB 100219A with X-shooter - abundances in a galaxy at z = 4.7 Authors: C. C. Thoene, J. P. U. Fynbo, P. Goldoni, A. de Ugarte Postigo, S. Campana, S. D. Vergani, S. Covino, T. Kruehler, L. Kaper, N. Tanvir, T. Zafar, V. D'Elia, J. Gorosabel, J. Greiner, P. Groot, F. Hammer, P. Jakobsson, S. Klose,...
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GRB 120422A
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Title: GRB 120422A: A Low-luminosity Gamma-ray Burst Driven by Central Engine Authors: Bin-Bin Zhang, Yi-Zhong Fan, Rong-Feng Shen, Dong Xu, Fu-Wen Zhang, Da-Ming Wei, David N. Burrows, Bing Zhang GRB 120422A is a low-luminosity Gamma-ray burst (GRB) associated with a bright supernova, which...
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GRB 090227B
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Title: GRB 090227B: the missing link between the genuine short and disguised short GRBs Authors: Marco Muccino, Remo Ruffini, Carlo Luciano Bianco, Luca Izzo, Ana Virginia Penacchioni The observational progress obtained by Fermi-GBM and Konus-Wind satellites is used to identify the new class...
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GRB 980923
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Title: GRB980923. A burst with a short duration high energy component Authors: M. M. Gonzalez, J. R. Sacahui, J. L. Ramirez, B. Patricelli, Y. Kaneko The prompt emission of Gamma Ray Bursts (GRBs) is usually well described by the Band function: two power-laws joined smoothly at a given break energy...
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GRB 091208B
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Title: Early Optical Polarisation of Forward Shock Afterglow of GRB 091208B Authors: T. Uehara, K. Toma, K. S. Kawabata, S. Chiyonobu, Y. Fukazawa, Y. Ikejiri, T. Inoue, R. Itoh, T. Komatsu, H. Miyamoto, T. Mizuno, O. Nagae, H. Nakaya, T. Ohsugi, K. Sakimoto, M. Sasada, H. Tanaka, M. Uemura, M. Yama...
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