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Titolo:
Broad-band spectral evolution of GRB afterglows
Autore:
Masetti, N; Pian, E; Palazzi, E; Amati, L; Galama, TJ; Nicastro, L; Vreeswijk, PM; Frontera, F; van Paradijs, J;
Indirizzi:
CNR, Ist Te SRE, I-40129 Bologna, Italy CNR Bologna Italy I-40129CNR, Ist Te SRE, I-40129 Bologna, Italy Univ Amsterdam, Astron Inst Anton Pannekoek, NL-1098 SJ Amsterdam, Netherlands Univ Amsterdam Amsterdam Netherlands NL-1098 SJ J Amsterdam, Netherlands CNR, IFCAI, I-90146 Palermo, Italy CNR Palermo Italy I-90146CNR, IFCAI, I-90146 Palermo, Italy
Titolo Testata:
ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
fascicolo: 3, volume: 138, anno: 1999,
pagine: 453 - 454
SICI:
0365-0138(199909)138:3<453:BSEOGA>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
GAMMA-RAY BURST; OPTICAL-EMISSION; LIGHT CURVES; PHOTOMETRY; GRB-970508; REMNANT; GALAXY; COLORS;
Keywords:
methods : data analysis; gamma-rays : bursts;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Masetti, N CNR, Ist Te SRE, Via Gobetti 101, I-40129 Bologna, Italy CNR Via Gobetti 101 Bologna Italy I-40129 40129 Bologna, Italy
Citazione:
N. Masetti et al., "Broad-band spectral evolution of GRB afterglows", ASTR AST SS, 138(3), 1999, pp. 453-454

Abstract

Quasi-simultaneous Spectral Energy Distributions (SEDs) at different epochs of four among the most intensively observed Gamma-Ray Burst (GRB) afterglows have been constructed in order to investigate and compare the temporal evolution of their multiwave-length emission. The data suggest that generally the peak frequency moves toward lower frequencies with time. SED local maxima in the optical/IR range are present in some cases, possibly due to dust absorption within the host galaxy.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/09/17 alle ore 11:08:11