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most citedA Constant Spectral Index for Sagittarius A* During Infrared/X-ray Intensity Variations

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astro-ph2005

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…