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- Ackermann, M. (author)
FERMI OBSERVATIONS OF HIGH-ENERGY GAMMA-RAY EMISSION FROM GRB 090217A
- Article/chapterEnglish2010
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- 2010
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:kth-27249
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-27249URI
- https://doi.org/10.1088/2041-8205/717/2/L127DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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- QC 20101229
- The Fermi observatory is advancing our knowledge of gamma-ray bursts (GRBs) through pioneering observations at high energies, covering more than seven decades in energy with the two on-board detectors, the Large Area Telescope (LAT) and the Gamma-ray Burst Monitor (GBM). Here, we report on the observation of the long GRB 090217A which triggered the GBM and has been detected by the LAT with a significance greater than 9 sigma. We present the GBM and LAT observations and on-ground analyses, including the time-resolved spectra and the study of the temporal profile from 8 keV up to similar to 1 GeV. All spectra are well reproduced by a Band model. We compare these observations to the first two LAT-detected, long bursts GRB 080825C and GRB 080916C. These bursts were found to have time-dependent spectra and exhibited a delayed onset of the high-energy emission, which are not observed in the case of GRB 090217A. We discuss some theoretical implications for the high-energy emission of GRBs.
Subject headings and genre
- NATURVETENSKAP Fysik Astronomi, astrofysik och kosmologi hsv//swe
- NATURAL SCIENCES Physical Sciences Astronomy, Astrophysics and Cosmology hsv//eng
- gamma-ray burst: individual (GRB090217A)
- Astronomy and astrophysics
- Astronomi och astrofysik
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- Ajello, M. (author)
- Baldini, L. (author)
- Ballet, J. (author)
- Barbiellini, G. (author)
- Baring, M. G. (author)
- Bastieri, D. (author)
- Bechtol, K. (author)
- Bellazzini, R. (author)
- Berenji, B. (author)
- Bhat, P. N. (author)
- Bissaldi, E. (author)
- Blandford, R. D. (author)
- Bonamente, E. (author)
- Borgland, A. W. (author)
- Bouvier, A. (author)
- Bregeon, J. (author)
- Brez, A. (author)
- Briggs, M. S. (author)
- Brigida, M. (author)
- Bruel, P. (author)
- Buehler, R. (author)
- Buson, S. (author)
- Caliandro, G. A. (author)
- Cameron, R. A. (author)
- Caraveo, P. A. (author)
- Carrigan, S. (author)
- Casandjian, J. M. (author)
- Cecchi, C. (author)
- Celik, Oe (author)
- Charles, E. (author)
- Chekhtman, A. (author)
- Chiang, J. (author)
- Ciprini, S. (author)
- Claus, R. (author)
- Cohen-Tanugi, J. (author)
- Connaughton, V. (author)
- Conrad, J. (author)
- Cutini, S. (author)
- Dermer, C. D. (author)
- de Angelis, A. (author)
- de Palma, F. (author)
- Digel, S. W. (author)
- do Couto e Silva, E. (author)
- Drell, P. S. (author)
- Dubois, R. (author)
- Favuzzi, C. (author)
- Fegan, S. J. (author)
- Ferrara, E. C. (author)
- Frailis, M. (author)
- Fukazawa, Y. (author)
- Fusco, P. (author)
- Gargano, F. (author)
- Gasparrini, D. (author)
- Gehrels, N. (author)
- Germani, S. (author)
- Giglietto, N. (author)
- Giommi, P. (author)
- Giordano, F. (author)
- Giroletti, M. (author)
- Glanzman, T. (author)
- Godfrey, G. (author)
- Granot, J. (author)
- Grenier, I. A. (author)
- Grove, J. E. (author)
- Guillemot, L. (author)
- Guiriec, S. (author)
- Hadasch, D. (author)
- Hays, E. (author)
- Horan, D. (author)
- Hughes, R. E. (author)
- Johannesson, G. (author)
- Johnson, A. S. (author)
- Johnson, W. N. (author)
- Kamae, T. (author)
- Katagiri, H. (author)
- Kippen, R. M. (author)
- Knoedlseder, J. (author)
- Kocevski, D. (author)
- Kuss, M. (author)
- Lande, J. (author)
- Latronico, L. (author)
- Lee, S. -H (author)
- Garde, M. Llena (author)
- Longo, F. (author)
- Loparco, F. (author)
- Lovellette, M. N. (author)
- Lubrano, P. (author)
- Makeev, A. (author)
- Mazziotta, M. N. (author)
- McBreen, S. (author)
- McEnery, J. E. (author)
- McGlynn, S. (author)
- Meegan, C. (author)
- Mehault, J. (author)
- Meszaros, P. (author)
- Michelson, P. F. (author)
- Mizuno, T. (author)
- Moiseev, A. A. (author)
- Monte, C. (author)
- Monzani, M. E. (author)
- Moretti, Elena,1982-University and INFN of Trieste(Swepub:kth)u1t69eg4 (author)
- Morselli, A. (author)
- Moskalenko, I. V. (author)
- Murgia, S. (author)
- Nakajima, H. (author)
- Nakamori, T. (author)
- Naumann-Godo, M. (author)
- Nolan, P. L. (author)
- Norris, J. P. (author)
- Nuss, E. (author)
- Ohno, M. (author)
- Ohsugi, T. (author)
- Okumura, A. (author)
- Omodei, N. (author)
- Orlando, E. (author)
- Ormes, J. F. (author)
- Ozaki, M. (author)
- Paciesas, W. S. (author)
- Paneque, D. (author)
- Panetta, J. H. (author)
- Parent, D. (author)
- Pelassa, V. (author)
- Pepe, M. (author)
- Pesce-Rollins, M. (author)
- Petrosian, V. (author)
- Piron, F. (author)
- Porter, T. A. (author)
- Preece, R. (author)
- Racusin, J. L. (author)
- Raino, S. (author)
- Rando, R. (author)
- Rau, A. (author)
- Razzano, M. (author)
- Razzaque, S. (author)
- Reimer, A. (author)
- Reimer, O. (author)
- Ripken, J. (author)
- Roth, M. (author)
- Ryde, FelixKTH,Partikel- och astropartikelfysik(Swepub:kth)u1tlyg6w (author)
- Sadrozinski, H. F. -W (author)
- Sander, A. (author)
- Scargle, J. D. (author)
- Schalk, T. L. (author)
- Sgro, C. (author)
- Siskind, E. J. (author)
- Smith, P. D. (author)
- Spandre, G. (author)
- Spinelli, P. (author)
- Stamatikos, M. (author)
- Strickman, M. S. (author)
- Suson, D. J. (author)
- Tajima, H. (author)
- Takahashi, H. (author)
- Tanaka, T. (author)
- Thayer, J. B. (author)
- Thayer, J. G. (author)
- Tibaldo, L. (author)
- Torres, D. F. (author)
- Tosti, G. (author)
- Tramacere, A. (author)
- Uehara, T. (author)
- Usher, T. L. (author)
- Vandenbroucke, J. (author)
- van der Horst, A. J. (author)
- Vasileiou, V. (author)
- Vilchez, N. (author)
- Vitale, V. (author)
- von Kienlin, A. (author)
- Waite, A. P. (author)
- Wang, P. (author)
- Wilson-Hodge, C. (author)
- Winer, B. L. (author)
- Wood, K. S. (author)
- Wu, X. F. (author)
- Yamazaki, R. (author)
- Yang, Z. (author)
- Ylinen, TomiKTH,Fysik(Swepub:kth)u1vmovqg (author)
- Ziegler, M. (author)
- University and INFN of TriestePartikel- och astropartikelfysik (creator_code:org_t)
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