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Titolo:
BeppoSAX detection and follow-up of GRB 980425
Autore:
Pian, E; Amati, L; Antonelli, LA; Butler, RC; Costa, E; Cusumano, G; Danziger, J; Feroci, M; Fiore, F; Frontera, F; Giommi, P; Masetti, N; Muller, JM; Oosterbroek, T; Owens, A; Palazzi, E; Piro, L; Castro-Tirado, A; Coletta, A; Dal Fiume, D; Del Sordo, S; Heise, J; Nicastro, L; Orlandini, M; Parmar, A; Soffitta, P; Torroni, V; t Zand, JJMI;
Indirizzi:
CNR, Ist Te SRE, I-40129 Bologna, Italy CNR Bologna Italy I-40129CNR, Ist Te SRE, I-40129 Bologna, Italy Osservatorio Astron Roma, Sede Monteporzio Catone, I-00040 Monte Porzio Catone, Italy Osservatorio Astron Roma Monte Porzio Catone Italy I-00040 Catone, Italy Agenzia Spaziale Italiana, Rome, Italy Agenzia Spaziale Italiana Rome Italy zia Spaziale Italiana, Rome, Italy CNR, IAS, Area Ric Tor Vergata, I-00131 Rome, Italy CNR Rome Italy I-00131 R, IAS, Area Ric Tor Vergata, I-00131 Rome, Italy CNR, IFCAI, I-90146 Palermo, Italy CNR Palermo Italy I-90146CNR, IFCAI, I-90146 Palermo, Italy Osservatorio Astron Trieste, I-34131 Trieste, Italy Osservatorio Astron Trieste Trieste Italy I-34131 I-34131 Trieste, Italy BeppoSAX Sci Data Ctr, I-00131 Rome, Italy BeppoSAX Sci Data Ctr Rome Italy I-00131 i Data Ctr, I-00131 Rome, Italy Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy Univ Ferrara Ferrara Italy I-44100 artimento Fis, I-44100 Ferrara, Italy European Space Agcy, Estec, SSD, Div Astrophys, NL-2200 AG Noordwijk, Netherlands European Space Agcy Noordwijk Netherlands NL-2200 AG rdwijk, Netherlands INTA, LAEFF, Madrid, Spain INTA Madrid SpainINTA, LAEFF, Madrid, Spain CSIC, IAA, Granada, Spain CSIC Granada SpainCSIC, IAA, Granada, Spain Space Res Org Netherlands, NL-3584 CA Utrecht, Netherlands Space Res Org Netherlands Utrecht Netherlands NL-3584 CA ht, Netherlands
Titolo Testata:
ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
fascicolo: 3, volume: 138, anno: 1999,
pagine: 463 - 464
SICI:
0365-0138(199909)138:3<463:BDAFOG>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
GAMMA-RAY BURST; 25 APRIL 1998; UNUSUAL SUPERNOVA;
Keywords:
gamma-rays : bursts;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
10
Recensione:
Indirizzi per estratti:
Indirizzo: Pian, E CNR, Ist Te SRE, Via Gobetti 101, I-40129 Bologna, Italy CNR Via Gobetti 101 Bologna Italy I-40129 I-40129 Bologna, Italy
Citazione:
E. Pian et al., "BeppoSAX detection and follow-up of GRB 980425", ASTR AST SS, 138(3), 1999, pp. 463-464

Abstract

We present BeppoSAX GRBM and WFC light curves of GRB 980425 and NFI follow-up data taken in 1998 April, May, and November; The first NFI observation has detected within the 8' radius error box of the GRB an X-ray source positionally consistent with the supernova SN 1998bw, exploded within a day of GRB 980425, and a fainter X-ray source: not consistent with the position ofthe supernova. The former source is detected in the following NFI pointings and exhibits a decline of a factor of two in six months. If it is associated with SN 1998bw, this is the first detection of hard X-ray emission froma Type I supernova. The latter source exhibits only marginally significantvariability. Based on these data, it is not possible to select either source as a firm candidate for the GRB counterpart.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/05/13 alle ore 20:43:17