Details

Autor(en) / Beteiligte

• Hjorth, Jens
• Sollerman, Jesper
• Møller, Palle
• Fynbo, Johan P. U
• Woosley, Stan E
• Kouveliotou, Chryssa
• Tanvir, Nial R
• Greiner, Jochen
• Andersen, Michael I
• Castro-Tirado, Alberto J
• Castro Cerón, José María
• Fruchter, Andrew S
• Gorosabel, Javier
• Jakobsson, Páll
• Kaper, Lex
• Klose, Sylvio
• Masetti, Nicola
• Pedersen, Holger
• Pedersen, Kristian
• Pian, Elena
• Palazzi, Eliana
• Rhoads, James E
• Rol, Evert
• van den Heuvel, Edward P. J
• Vreeswijk, Paul M
• Watson, Darach
• Wijers, Ralph A. M. J

Titel

A very energetic supernova associated with the γ-ray burst of 29 March 2003

Ist Teil von

• Nature (London), 2003-06, Vol.423 (6942), p.847-850

Ort / Verlag

London: Nature Publishing

Erscheinungsjahr

2003

Quelle

EBSCOhost Psychology and Behavioral Sciences Collection

Beschreibungen/Notizen

• Over the past five years evidence has mounted that long-duration (>2 s) γ-ray bursts (GRBs)-the most luminous of all astronomical explosions-signal the collapse of massive stars in our Universe. This evidence was originally based on the probable association of one unusual GRB with a supernova, but now includes the association of GRBs with regions of massive star formation in distant galaxies, the appearance of supernova-like 'bumps' in the optical afterglow light curves of several bursts and lines of freshly synthesized elements in the spectra of a few X-ray afterglows. These observations support, but do not yet conclusively demonstrate, the idea that long-duration GRBs are associated with the deaths of massive stars, presumably arising from core collapse. Here we report evidence that a very energetic supernova (a hypernova) was temporally and spatially coincident with a GRB at redshift z = 0.1685. The timing of the supernova indicates that it exploded within a few days of the GRB, strongly suggesting that core-collapse events can give rise to GRBs, thereby favouring the 'collapsar' model.