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Chandra HRC Localization of the Low Mass X-ray Binaries X1624-490 and X1702-429: The Infrared Counterparts
S. Wachter, J. W. Wellhouse, S. K. Patel +3
We report on the precise localization of the low mass X-ray binaries X1624-490 and X1702-429 with the Chandra HRC-I. We determine the best positions to be 16:28:02.825 -49:11:54.61…
Star Formation in the W49A Molecular Cloud: Birth of a Massive Star Cluster
N. L. Homeier, J. Alves
The W49A star-forming region is embedded in a 10^6 solar mass molecular cloud, one of the most massive in our Galaxy. It has been long known as one of the most luminous radio HII r…
Discovery of a Dusty Ring in the Coalsack: A Dense Core Caught in the Act of Formation?
Charles J. Lada, Tracy L. Huard, Lionel J. Crews +1
We present a new infrared extinction study of Globule 2, the most opaque molecular cloud core in the Coalsack complex. Using deep near-infrared imaging observations obtained with t…
Search for substellar companions using AO - first results obtained with NAOS-CONICA
M. Mugrauer, R. Neuhäuser, E. Guenther +3
We present first results of our NAOS-CONICA search for close substellar companions around young nearby stars. This program was started only a few months ago. We have obtained 1st e…