Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010scchg..53s.117l&link_type=abstract
Science China Physics, Mechanics and Astronomy, Volume 53, Issue 1, pp.117-119
Astronomy and Astrophysics
Astronomy
Gamma Rays: Bursts, Grb080503, Grb060614-Type
Scientific paper
In this paper, we critically assess GRB080503, a short gamma-ray burst with very bright extended emission (about 30 times the gamma-ray fluence of the initial spike). The light curve of the prompt γ-ray emission of GRB080503 resembles that of GRB 060614 which has been suggested to be due to an event from an intermediate mass black hole (IMBH) preying on a star. We therefore propose that GRB080503 is also due to a similar event; the mass of the IMBH is estimated to be about 4.6×104 solar masses, and the engulfed star had about the same mass and size as the Sun. We also estimate that the total burst energy is about 7.67 × 1050 ergs.
Gao He
Lu Ye
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