2 citations · 4 across the 8 of their papers we have counts for
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astro-ph2001
Chandra Observations of Embedded Young Stellar Objects
Katsuji Koyama
This paper reviews the Chandra deep exposure observations of star forming regions, rho-Ophiuchi, Orion Molecular Clouds 2 and 3, Sagittarius B2 and Monoceros R2. The results are; (…
astro-ph2001
X-Ray Observations on the Galactic Center Region
Katsuji Koyama
This paper reports on the early Chandra view of the Galactic center (GC) activities. The massive black hole Sgr A* is extremely faint, while more bright diffuse X-ray emission is p…
astro-ph2001
X-ray source population of the Galactic center region obtained with ASCA
Masaaki Sakano, Katsuji Koyama, Hiroshi Murakami +3
From the ASCA X-ray point-source list in the Galactic center 5x5 degree^2 region, we found the clear correlation between the position of the sources and the absorption. This fact i…