Astronomy and Astrophysics – Astronomy
Scientific paper
May 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...192.4301s&link_type=abstract
American Astronomical Society, 192nd AAS Meeting, #43.01; Bulletin of the American Astronomical Society, Vol. 30, p.873
Astronomy and Astrophysics
Astronomy
Scientific paper
We propose that Gamma-Ray Bursts (GRBs) are related to the formation of supermassive black holes at centers of quasars and galaxies. The formation events associated with these black holes have a much higher gravitational energy release than conventional solar mass scale GRB candidates. They therefore can easily meet the energetic requirement of the observed GRBs. To yield the observed GRB event rate, the amount of baryons incorporated into the progenitors of these black holes as a fraction of the total baryons in our universe is about 10(-4) . This fraction roughly matches the masses of supermassive black holes at the centers of galaxies as a fraction of the total baryonic mass of the host galaxies. If the progenitors are relativistic star clusters, as commonly proposed, star collisions during the formation of the supermassive black holes may give rises to the rich and bursty time structure observed in GRB events.
Fuller George M.
Shi Xiangdong
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