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THE NUCLEAR CLUSTER OF THE MILKY-WAY - STAR-FORMATION AND VELOCITY DISPERSION IN THE CENTRAL 0.5 PARSEC

Abstract:

We report the first results of an extensive new study of the Galactic center stellar cluster. The central parsec is powered by a cluster of about two dozen luminous and helium-rich blue supergiants/Wolf-Rayet stars (Teff ∼ 20,000-30,000 K) with ZAMS masses up to ∼100 M⊙. The most likely scenario for the formation of the massive stars is a small star formation burst between 3 × 106 and 7 × 106 years ago. In this scenario the Galactic center is presently in a short-lived, post-main-sequence "wi...

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Publication status:
Published

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Authors


NAJARRO, F More by this author
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Journal:
ASTROPHYSICAL JOURNAL
Volume:
447
Issue:
2
Pages:
L95-L99
Publication date:
1995-07-10
EISSN:
1538-4357
ISSN:
0004-637X
URN:
uuid:869bc804-0821-4831-af0a-24bca450bae6
Source identifiers:
1855
Local pid:
pubs:1855

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