The population of OB supergiants in the starburst cluster Westerlund 1*

Author： Negueruela I.   Clark J. S.   Ritchie B. W.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|516|issue|A78-A78

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.516, Iss.issue, 2010-07, pp. : A78-A78

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Abstract

Context. After leaving the main sequence, massive stars undergo complex evolution, a process that is still poorly understood. With a population of hundreds of OB stars, the starburst cluster Westerlund 1 offers an unparallelled environment to study their evolutionary tracks.

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