XMM-Newton EPIC Observations of OMC-2/3 region

Details XMM-Newton EPIC Observations of OMC-2/3 region XMM-Newton EPIC Observations of OMC-2/3 region

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...19915610t&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #156.10; Bulletin of the American Astronomical Society, Vol. 34, p.564

Astronomy and Astrophysics

Astronomy

Scientific paper

We report on the results of XMM-Newton observation of Orion Molecular Cloud 2 and 3 (d ~450 pc). With a deep exposure of ~100 ksec and the large field of view (R ~15 arcmin), we detected about three hundreds of X-ray sources in and out of the thin dust filament (Chini et al. 1997, Lis et al. 1998). The sources are cross-correlated with Near Infrared sources, and coherent imaging, timing, and spectroscopic analysis are performed for bright X-ray sources. Depending on the J, H, and K-band colors of the NIR counterpart of X-ray sources, we extract pre-main sequence stars and classified them into class I, II, III -like sources. The difference of X-ray properties of PMS stars (temperature, absorption, time-variability) among different classes will be discussed. This work was supported by NASA grant NAG 5-9970

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