SN 2003lw and GRB 031203: a Bright Supernova for a Faint Gamma-ray Burst

Details SN 2003lw and GRB 031203: a Bright Supernova for a Faint Gamma-ray Burst SN 2003lw and GRB 031203: a Bright Supernova for a Faint Gamma-ray Burst

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..342..321m&link_type=abstract

1604-2004: Supernovae as Cosmological Lighthouses, ASP Conference Series, Vol. 342, Proceedings of the conference held 15-19 Jun

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We report photometry and spectroscopy of the bright SN 2003lw, associated with GRB 031203 at a redshift z = 0.1055. The spectra show a pronounced similarity with those of SN 1998bw and SN 2003dh, associated with GRB 980425 and GRB 030329 respectively. Therefore, the three best-confirmed GRB/SN associations involve a hypernova. The gamma-ray and afterglow properties of GRB 031203 are quite different from those of most GRBs, but are broadly similar to those of the nearby GRB 980425. It is therefore remarkable that the associated SNe are quite homogeneous in all these events.

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