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      SN 2007bg: the complex circumstellar medium around one of the most radio-luminous broad-lined Type Ic supernovae

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      Monthly Notices of the Royal Astronomical Society

      Oxford University Press (OUP)

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          Most cited references 38

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          An unusual supernova in the error box of the γ-ray burst of 25 April 1998

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

            Over the past five years evidence has mounted that long-duration (>2 s) gamma-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.
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              Spectroscopic Discovery of the Supernova 2003dh Associated with GRB 030329

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                Author and article information

                Journal
                Monthly Notices of the Royal Astronomical Society
                Oxford University Press (OUP)
                1365-2966
                0035-8711
                January 11 2013
                January 11 2013
                October 26 2012
                January 11 2013
                January 11 2013
                October 26 2012
                : 428
                : 2
                : 1207-1217
                Article
                10.1093/mnras/sts104
                © 2012

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