Other
Scientific paper
Jun 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aspc..186..569s&link_type=abstract
The Central Parsecs of the Galaxy, ASP Conference Series, Vol. 186. Edited by Heino Falcke, Angela Cotera, Wolfgang J. Duschl, F
Other
Scientific paper
We report the cold matter distribution in the Galactic Center region. We have measured the column density of X-ray binaries in the Galactic Center using the X-ray satellite ASCA, and derive the total mass and distribution of cold matter in this region. The column densities are given by a smooth function of angular distance from the Galactic Plane. Assuming a disk-like mass distribution with 500 pc radius, we estimate the total mass to be (1--several) times 107 Modot. Together with results at other wavelengths, we discuss the physical conditions of the cold matter in the Galactic Center region.
Koyama Katsuji
Maeda Yoshiaki
Nishiuchi Mamiko
Sakano Masa
Yokogawa Jun
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