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Title:
Environments of massive stars and the upper mass limit
Authors:
Crowther, Paul A.
Affiliation:
AA( Department of Physics and Astronomy, University of Sheffield, Hounsfield Road, Sheffield, United Kingdom, S3 7RH )
Publication:
Death of Massive Stars: Supernovae and Gamma-Ray Bursts, Proceedings of the International Astronomical Union, IAU Symposium, Volume 279, p. 9-17
Publication Date:
09/2012
Origin:
CUP
Keywords:
stars: early-type, stars: supernovae: general, stars: Wolf-Rayet, ISM: HII regions, galaxies: star clusters, galaxies: ISM,
Abstract Copyright:
(c) 2012: Copyright © International Astronomical Union 2012
DOI:
10.1017/S1743921312012616
Bibliographic Code:
2012IAUS..279....9C

Abstract

The locations of massive stars (>= 8M &sun;) within their host galaxies is reviewed. These range from distributed OB associations to dense star clusters within giant Hii regions. A comparison between massive stars and the environments of core-collapse supernovae and long duration Gamma Ray Bursts is made, both at low and high redshift. We also address the question of the upper stellar mass limit, since very massive stars (VMS, M init >> 100M &sun;) may produce exceptionally bright core-collapse supernovae or pair instability supernovae.

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