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AGILE Detection of ...
AGILE Detection of Delayed Gamma-ray Emission From the Short Gamma-Ray Burst GRB 090510
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Giuliani, A. (author)
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Fuschino, F. (author)
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Vianello, G. (author)
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show more...
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Marisaldi, M. (author)
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Mereghetti, S. (author)
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Tavani, M. (author)
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Cutini, S. (author)
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Barbiellini, G. (author)
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Longo, F. (author)
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- Moretti, Elena, 1982- (author)
- University and INFN of Trieste
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Feroci, M. (author)
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Del Monte, E. (author)
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Argan, A. (author)
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Bulgarelli, A. (author)
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Caraveo, P. (author)
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Cattaneo, P. W. (author)
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Chen, A. W. (author)
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Contessi, T. (author)
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D’Ammando, F. (author)
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Costa, E. (author)
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De Paris, G. (author)
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Di Cocco, G. (author)
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Donnarumma, I. (author)
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Evangelista, Y. (author)
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Ferrari, A. (author)
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Fiorini, M. (author)
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Galli, M. (author)
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Gianotti, F. (author)
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Labanti, C. (author)
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Lapshov, I. (author)
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Lazzarotto, F. (author)
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Lipari, P. (author)
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Morselli, A. (author)
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Pacciani, L. (author)
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Pellizzoni, A. (author)
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Perotti, F. (author)
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Piano, G. (author)
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Picozza, P. (author)
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Pilia, M. (author)
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Pucella, G. (author)
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Prest, M. (author)
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Rapisarda, M. (author)
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Rappoldi, A. (author)
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Rubini, A. (author)
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Sabatini, S. (author)
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Scalise, E. (author)
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Striani, E. (author)
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Soffitta, P. (author)
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Trifoglio, M. (author)
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Trois, A. (author)
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Vallazza, E. (author)
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Vercellone, S. (author)
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Vittorini, V. (author)
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Zambra, A. (author)
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Zanello, D. (author)
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Pittori, C. (author)
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Verrecchia, F. (author)
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Santolamazza, P. (author)
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Giommi, P. (author)
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Colafrancesco, S. (author)
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Antonelli, L. A. (author)
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Salotti, L. (author)
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(creator_code:org_t)
- 2010
- 2010
- English.
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In: Astrophysical Journal Letters. - 2041-8205. ; 708:2, s. L84-L88
- Related links:
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https://urn.kb.se/re...
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show more...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- Short gamma-ray bursts (GRBs), typically lasting less than 2 s, are a special class of GRBs of great interest. We report the detection by the AGILE satellite of the short GRB 090510 which shows two clearly distinct emission phases: a prompt phase lasting similar to 200 ms and a second phase lasting tens of seconds. The prompt phase is relatively intense in the 0.3-10 MeV range with a spectrum characterized by a large peak/cutoff energy near 3 MeV; in this phase, no significant high-energy gamma-ray emission is detected. At the end of the prompt phase, intense gamma-ray emission above 30 MeV is detected showing a power-law time decay of the flux of the type t(-1.3) and a broadband spectrum remarkably different from that of the prompt phase. It extends from sub-MeV to hundreds of MeV energies with a photon index alpha similar or equal to 1.5. GRB 090510 provides the first case of a short GRB with delayed gamma-ray emission. We present the timing and spectral data of GRB 090510 and briefly discuss its remarkable properties within the current models of gamma-ray emission of short GRBs.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- gamma rays: bursts
Publication and Content Type
- ref (subject category)
- art (subject category)
Find in a library
To the university's database
- By the author/editor
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Giuliani, A.
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Fuschino, F.
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Vianello, G.
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Marisaldi, M.
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Mereghetti, S.
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Tavani, M.
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show more...
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Cutini, S.
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Barbiellini, G.
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Longo, F.
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Moretti, Elena, ...
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Feroci, M.
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Del Monte, E.
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Argan, A.
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Bulgarelli, A.
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Caraveo, P.
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Cattaneo, P. W.
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Chen, A. W.
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Contessi, T.
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D’Ammando, F.
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Costa, E.
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De Paris, G.
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Di Cocco, G.
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Donnarumma, I.
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Evangelista, Y.
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Ferrari, A.
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Fiorini, M.
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Galli, M.
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Gianotti, F.
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Labanti, C.
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Lapshov, I.
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Lazzarotto, F.
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Lipari, P.
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Morselli, A.
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Pacciani, L.
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Pellizzoni, A.
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Perotti, F.
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Piano, G.
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Picozza, P.
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Pilia, M.
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Pucella, G.
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Prest, M.
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Rapisarda, M.
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Rappoldi, A.
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Rubini, A.
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Sabatini, S.
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Scalise, E.
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Striani, E.
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Soffitta, P.
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Trifoglio, M.
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Trois, A.
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Vallazza, E.
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Vercellone, S.
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Vittorini, V.
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Zambra, A.
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Zanello, D.
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Pittori, C.
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Verrecchia, F.
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Santolamazza, P.
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Giommi, P.
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Colafrancesco, S ...
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Antonelli, L. A.
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Salotti, L.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
- Articles in the publication
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Astrophysical Jo ...
- By the university
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Royal Institute of Technology