Physics – Optics
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21310801g&link_type=abstract
American Astronomical Society, AAS Meeting #213, #108.01; Bulletin of the American Astronomical Society, Vol. 41, p.404
Physics
Optics
Scientific paper
The proximity of our Galaxy's center presents a unique opportunity to study a massive black hole and its environs with much higher spatial resolution than can be brought to bear on any other galaxy. After more than a decade of astrometry from diffraction-limited speckle imaging at Keck and NTT/VLT, the case for a supermassive black hole at the Galactic center has dramatically improved, thanks to the recent determinations of individual stellar orbits. The advent of adaptive optics technology has further revolutionized our studies of the Galactic center. In this talk, I will present the results of several new adaptive optics studies on (1) our current understanding of the galaxy's central gravitational potential, (2) the puzzling problem of how young stars form in the immediate vicinity of the central black hole (3) the characteristics of the under-luminous emission associated with the central black hole (L = 10-9 Led), and (4) the role of future large ground-based telescope to these studies.
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