GRB 130427A: A Nearby Ordinary Monster

Long-duration gamma-ray bursts (GRBs) are an extremely rare outcome of the collapse of massive stars and are typically found in the distant universe. Because of its intrinsic luminosity (L ~ 3 × 10⁵³ ergs per second) and its relative proximity (z = 0.34), GRB 130427A reached the highest fluence obse...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 2014-01, Vol.343 (6166), p.48-51
Hauptverfasser:	Maselli, A., Melandri, A., Nava, L., Mundell, C. G., Kawai, N., Campana, S., Covino, S., Cummings, J. R., Cusumano, G., Evans, P. A., Ghirlanda, G., Ghisellini, G., Guidorzi, C., Kobayashi, S., Kuin, P., La Parola, V., Mangano, V., Oates, S., Sakamoto, T., Serino, M., Virgili, F., Zhang, B.-B., Barthelmy, S., Beardmore, A., Bernardini, M. G., Bersier, D., Burrows, D., Calderone, G., Capalbi, M., Chiang, J., D'Avanzo, P., D'Elia, V., De Pasquale, M., Fugazza, D., Gehrels, N., Gomboc, A., Harrison, R., Hanayama, H., Japelj, J., Kennea, J., Kopac, D., Kouveliotou, C., Kuroda, D., Levan, A., Malesani, D., Marshall, F., Nousek, J., O'Brien, P., Osborne, J. P., Pagani, C., Page, K. L., Page, M., Perri, M., Pritchard, T., Romano, P., Saito, Y., Sbarufatti, B., Salvaterra, R., Steele, I., Tanvir, N., Vianello, G., Weigand, B., Wiersema, K., Yatsu, Y., Yoshii, T., Tagliaferri, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomical cosmology Astronomy Astrophysics Doppler effect Emission spectra Fluence Gamma rays Ionization afterglow Light curves Physics Space research Spectral energy distribution Studies Supernovae Telescopes
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Zusammenfassung:	Long-duration gamma-ray bursts (GRBs) are an extremely rare outcome of the collapse of massive stars and are typically found in the distant universe. Because of its intrinsic luminosity (L ~ 3 × 10⁵³ ergs per second) and its relative proximity (z = 0.34), GRB 130427A reached the highest fluence observed in the γ-ray band. Here, we present a comprehensive multiwavelength view of GRB 130427A with Swift, the 2-meter Liverpool and Faulkes telescopes, and by other ground-based facilities, highlighting the evolution of the burst emission from the prompt to the afterglow phase. The properties of GRB 130427A are similar to those of the most luminous, high-redshift GRBs, suggesting that a common central engine is responsible for producing GRBs in both the contemporary and the early universe and over the full range of GRB isotropie energies.
ISSN:	0036-8075 1095-9203
DOI:	10.1126/science.1242279