Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jphcs..54..243a&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
3
Scientific paper
The relative proximity of the Galactic massive black hole (MBH) offers a unique opportunity to study from up close the various modes in which stars in the high density cusp around the MBH interact with it and with each other. Extensive, well documented observational efforts are directed at using stellar dynamics to determine the primary parameters of the central dark object, its mass, size, location, motion and nature. In this brief overview I will focus on other aspects of stellar processes near SgrA*: (1) The extreme conditions in the inner Galactic center (GC): high density, strong tidal fields and high velocities, and their implications for the stars there, specifically star-star interactions and mass segregation. (2) The prospects of probing post-Newtonian (PN) physics by high precision orbital solutions and by gravitational lensing effects. (3) The different modes of strong interactions of stars with the MBH and their observable consequences, and the important role of accelerated relaxation mechanisms.
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