Core-Collapse Very Massive Stars:. Evolution, Explosion, and Nucleosynthesis of Population III 500 - 1000 M&sun; Stars

Details Core-Collapse Very Massive Stars:. Evolution, Explosion, and Nucleosynthesis of Population III 500 - 1000 M&sun; Stars Core-Collapse Very Massive Stars:. Evolution, Explosion, and Nucleosynthesis of Population III 500 - 1000 M&sun; Stars

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ebhe.conf..365o&link_type=abstract

ENERGY BUDGET IN THE HIGH ENERGY UNIVERSE . Proceedings of the International Workshop. Held 22-24 February 2006 in Kashiwa, Japa

Physics

Scientific paper

We calculate evolution, explosion, and nucleosynthesis of 500M&sun; and 1000M&sun; stars. Even such massive stars may explode at the end of their lives if they rotate. We use a 2 dimensional hydrodynamical code to take aspherisity into account. Our results show that (1) abundance pattern of ejected matter by explosion is consistent with observational data of intracluster medium gas, and M82 hot gas, (2) such massive stars can supply sufficient UV photons when one considers their contribution to the re-ionization of the universe with chemical evolution, and (3) final black hole mass is 500 solar-mass for 1000M&sun; star model, which is consistent of the mass scale of intermediate-mass black hole (IHBH) identified in M82.

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