Astronomy and Astrophysics – Astrophysics
Scientific paper
2001-10-12
Astrophys.J. 566 (2002) 974; Erratum-ibid. 585 (2003) 602
Astronomy and Astrophysics
Astrophysics
20 pages, 5 figures, Accepted for publication in ApJS
Scientific paper
10.1086/338110
We report X-ray results of the Chandra observation of Orion Molecular Cloud 2 and 3. A deep exposure of \sim 100 ksec detects \sim 400 X-ray sources in the field of view of the ACIS array, providing one of the largest X-ray catalogs in a star forming region. Coherent studies of the source detection, time variability, and energy spectra are performed. We classify the X-ray sources into class I, class II, and class III+MS based on the J, H, and K-band colors of their near infrared counterparts and discuss the X-ray properties (temperature, absorption, and time variability) along these evolutionary phases.
Goto Mario
Kobayashi Nami
Koyama Katsuji
Tsuboi Yohko
Tsujimoto Masahiro
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