GRB 130925A: an ultralong gamma ray burst with a dust-echo afterglow, and implications for the origin of the ultralong GRBs

GRB 130925A was an unusual gamma ray burst (GRB), consisting of three distinct episodes of high-energy emission spanning ∼20 ks, making it a member of the proposed category of ‘ultralong’ bursts. It was also unusual in that its late-time X-ray emission observed by Swift was very soft, and showed a s...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2014-10, Vol.444 (1), p.250-267
Hauptverfasser:	Evans, P. A., Willingale, R., Osborne, J. P., O'Brien, P. T., Tanvir, N. R., Frederiks, D. D., Pal'shin, V. D., Svinkin, D. S., Lien, A., Cummings, J., Xiong, S., Zhang, B.-B., Götz, D., Savchenko, V., Negoro, H., Nakahira, S., Suzuki, K., Wiersema, K., Starling, R. L. C., Castro-Tirado, A. J., Beardmore, A. P., Sánchez-Ramírez, R., Gorosabel, J., Jeong, S., Kennea, J. A., Burrows, D. N., Gehrels, N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics Gamma ray astronomy Physics Star & galaxy formation Starbursts
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