Stellar and wind properties of massive stars in the central parsec of the Galaxy

Details Stellar and wind properties of massive stars in the central parsec of the Galaxy Stellar and wind properties of massive stars in the central parsec of the Galaxy

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jphcs..54..266m&link_type=abstract

"Journal of Physics: Conference Series, Volume 54, Proceedings of "The Universe Under the Microscope - Astrophysics at High Angu

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

We present a detailed spectroscopic analysis of the massive stars in the central parsec of the Galaxy. Non-LTE atmosphere models including winds and line-blanketing are computed and used to derive stellar and wind properties. The evolutionary status of the stars is discussed, and we show due to the age of the population, the most massive stars (M > 60 Modot) have disappeared. We estimate the total H and He I ionising fluxes emitted by these young stars and show that they are able to account for the nebular observed emission. Finally, we discuss the spectral properties of the S - stars.

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