Astronomy and Astrophysics – Astrophysics
Scientific paper
2004-07-09
Astronomy and Astrophysics
Astrophysics
12 pages, 12 figures (14 eps files), to appear in "Young Local Universe", Proceedings of XXXIXth Rencontres de Moriond, La Thu
Scientific paper
The few central parsecs of the Galaxy are known to contain a surprising population of early-type stars, including at least 30 Wolf-Rayet stars and luminous blue variables (LBV), identified thanks to their strong emission lines. Despite the presence of emission from ionised interstellar material in the same lines, the latest advances in spectro-imaging have made it possible to use the absorption lines of the OB stars to characterise them as well. This stellar population is particularly intriguing in the deep potential well of the 4 million solar mass black hole Sgr A*. We will review the properties of these early-type stars known from spectro-imagery, and discuss possible formation scenarios.
Abuter Robert
Eisenhauer Frank
Genzel Reinhard
Maillard Jean Pierre
Morris Marita
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