Origin of Young Stars in GC and in M31

Details Origin of Young Stars in GC and in M31 Origin of Young Stars in GC and in M31

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21424003l&link_type=abstract

American Astronomical Society, AAS Meeting #214, #240.03; Bulletin of the American Astronomical Society, Vol. 41, p.743

Physics

Optics

Scientific paper

In the center of the Milky Way and M31, the supermassive black hole is surrounded by a population of massive young stars. The origins of these young stars are puzzling given that current gas densities in the central parsec of both galaxies are orders of magnitude too low to overcome the strong tidal forces and collapse to form stars. We present high spatial resolution kinematic observations, both astrometric and spectroscopic, obtained with the Keck adaptive optics system and used to investigate the origins of the young stars. We use stellar kinematics to explore whether sufficient gas streamed into the nucleus at earlier times to form the stars in situ in a massive self-gravitating disk similar to those found around AGN.

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