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Coordinated multi-wavelength observations of Sgr A*
A. Eckart, R. Schoedel, F. K. Baganoff +26
We report on recent near-infrared (NIR) and X-ray observations of Sagittarius A* (Sgr A*), the electromagnetic manifestation of the ~4x10^6 solar masses super-massive black hole (S…
A Catalog of X-ray Point Sources from Two Megaseconds of Chandra Observations of the Galactic Center
M. P. Muno, F. E. Bauer, F. K. Baganoff +23
We present a catalog of 9017 X-ray sources identified in Chandra observations of a 2 by 0.8 degree field around the Galactic center. We increase the number of known X-ray sources i…
Spitzer Space Telescope Observations of the Magnetic Cataclysmic Variable AE Aqr
G. Dubus, R. E. Taam, C. Hull +2
The magnetic cataclysmic variable AE Aquarii hosts a rapidly rotating white dwarf which is thought to expel most of the material streaming onto it. Observations of AE Aqr have been…
Discovery of hot supergiant stars near the Galactic center
Jon C. Mauerhan, Michael P. Muno, Mark Morris
We report new results of a campaign to find Wolf-Rayet and O (WR/O) stars and high-mass X-ray binaries (HMXBs) in the Galactic center. We searched for candidates by cross-correlati…
Mid-Infrared Emission from Dust around Quiescent Low-Mass X-ray Binaries
M. P. Muno, J. Mauerhan
We report the discovery of excess 4.5 and 8 micron emission from three quiescent black hole low-mass X-ray binaries, A 0620-00, GS 2023+338, and XTE J1118+480. The mid-infrared emi…
Intra-day Variability of Sagittarius A* at 3 Millimeters
Jon C. Mauerhan, Mark Morris, Fabian Walter +1
We report observations and analysis of flux monitoring of Sagittarius A* at 3-mm wavelength using the OVRO millimeter interferometer over a period of eight days (2002 May 23-30). F…