On the Progenitors of Long-GRBs and Hypernovae

Details On the Progenitors of Long-GRBs and Hypernovae On the Progenitors of Long-GRBs and Hypernovae

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1279..171u&link_type=abstract

DECIPHERING THE ANCIENT UNIVERSE WITH GAMMA-RAY BURSTS. AIP Conference Proceedings, Volume 1279, pp. 171-178 (2010).

Astronomy and Astrophysics

Astrophysics

Gamma-Ray Sources (Astronomical), Star Formation, Supernovae, Astrophysical Jets, Gamma-Ray, Star Formation, Supernovae, Jets And Bursts, Galactic Winds And Fountains

Scientific paper

Identifying progenitor is important in understanding the origin and the properties of GRBs. However, there are still various possibilities to be the GRB progenitors. We first briefly review the models of Long-GRB progenitors and their uncertainties. Then we show our recent calculations about the massive star evolution with special attention to the metallicity dependent ambiguity of mass-loss rates. We discuss the conditions for single non-rotating stars to be a Type Ic supernovae, especially to be the progenitor of extremely bright Type Ic SN2007bi.

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