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The First Laser Guide Star Adaptive Optics Observations of the Galactic Center: Sgr A*'s Infrared Color and the Extended Red Emission in its Vicinity
A. M. Ghez, S. D. Hornstein, J. Lu +14
(Abridged) We present the first Laser Guide Star Adaptive Optics (LGS-AO) observations of the Galactic center. LGS-AO has dramatically improved the quality, robustness, and versati…
IRS 16SW - A New Comoving Group of Young Stars in the Central Parsec of the Milky Way
J. R. Lu, A. M. Ghez, S. D. Hornstein +2
One of the most perplexing problems associated with the supermassive black hole at the center of our Galaxy is the origin of the young stars in its close vicinity. Using proper mot…
A Remarkable Low-Mass X-ray Binary within 0.1 pc of the Galactic Center
M. P. Muno, J. R. Lu, F. K. Baganoff +5
Recent X-ray and radio observations have identified a transient low-mass X-ray binary (LMXB) located only 0.1 pc in projection from the Galactic center, CXOGC J174540.0-290031. In…
A contemporaneous infrared flash from a long gamma-ray burst: an echo from the central engine
C. H. Blake, J. S. Bloom, D. L. Starr +25
The explosion that results in a cosmic gamma-ray burst (GRB) is thought to produce emission from two physical processes -- the activity of the central engine gives rise to the high…