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An X-ray, IR, and Submillimeter Flare of Sagittarius A*
D. P. Marrone, F. K. Baganoff, M. R. Morris +14
Energetic flares are observed in the Galactic supermassive black hole Sagittarius A* from radio to X-ray wavelengths. On a few occasions, simultaneous flares have been detected in…
A Constant Spectral Index for Sagittarius A* During Infrared/X-ray Intensity Variations
S. D. Hornstein, K. Matthews, A. M. Ghez +5
We report the first time-series of broadband infrared (IR) color measurements of Sgr A*, the variable emission source associated with the supermassive black hole at the Galactic Ce…
The proper motion of the Arches cluster with Keck Laser-Guide Star Adaptive Optics
Andrea Stolte, Andrea M. Ghez, Mark Morris +3
We present the first measurement of the proper motion of the young, compact Arches cluster near the Galactic center from near-infrared adaptive optics (AO) data taken with the rece…