X-ray Properties of Young Stellar Objects in OMC-2 and OMC-3 from the Chandra X-ray Observatory
M. Tsujimoto, K. Koyama, Y. Tsuboi, M. Goto, N. Kobayashi
Abstract
We report X-ray results of the Chandra observation of Orion Molecular Cloud 2 and 3. A deep exposure of 100 ksec detects 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.
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