Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cha%26a..32...23w&link_type=abstract
Chinese Astronomy and Astrophysics, Volume 32, Issue 1, p. 23-32.
Astronomy and Astrophysics
Astrophysics
Scientific paper
A peak exists in the distribution of observed black hole masses and no satisfactory explanation has been forthcoming so far. Here, we attempt an interpretation. We first establish a link between the helium core mass and the initial black hole mass, based on the result of 2-dimensional simulation of stellar core collapse by Fryer et al. Then the helium core masses are computed by using the PPE stellar evolution code, and the distribution of initial black hole masses for black hole binaries in stellar populations II and I is obtained. These are then compared with observations.
Han Zhan-Wen
Meng Xiang-Cun
Wu Bin
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