Gamma-Ray Bursts with and Without Supernova Fireworks

Details Gamma-Ray Bursts with and Without Supernova Fireworks Gamma-Ray Bursts with and Without Supernova Fireworks

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008mgm..conf..736d&link_type=abstract

"THE ELEVENTH MARCEL GROSSMANN MEETING On Recent Developments in Theoretical and Experimental General Relativity, Gravitation an

Computer Science

Supernovae, Gamma-Ray Bursts

Scientific paper

We review the observational status of the Supernova/Gamma-Ray Burst connection. Multiwavelengths observations of long duration Gamma-ray bursts obtained in the last decade suggest that a significant fraction of them (but not all) are associated with bright SNe of type Ib/c. Current estimates of the SN and GRB rates indicate that the ratio GRB/SNe-Ibc is in the range ~ 0.4% - 3%. An analysis of the association GRB 060218/SN 2006aj finds that the SN and the GRB are coeval events within ~ 0.1 days and the size of the progenitor is consistent with the dimensions of a Wolf-Rayet star. Recent observations of GRB 060614 point out the existence of a new class of long-duration Gamma-ray Burst not accompanied by a bright supernova.

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