The Massive Young Star-forming Complex Study in Infrared and X-Ray: X-Ray Sources in 10 Star-forming Regions
Sep 17, 201311 pages
Published in:
- Astrophys.J.Suppl. 209 (2013) 27
- Published: Nov 14, 2013
e-Print:
- 1309.4484 [astro-ph.SR]
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Abstract: (IOP)
The Massive Young star-forming complex Study in Infrared and X-ray (MYStIX) uses data from the Chandra X-Ray Observatory to identify and characterize the young stellar populations in 20 Galactic (d < 4 kpc) massive star-forming regions. Here, the X-ray analysis for Chandra ACIS-I observations of 10 of the MYStIX fields is described, and a catalog of >10,000 X-ray sources is presented. In comparison to other published Chandra source lists for the same regions, the number of MYStIX-detected faint X-ray sources in a region is often doubled. While the higher catalog sensitivity increases the chance of false detections, it also increases the number of matches to infrared stars. X-ray emitting contaminants include foreground stars, background stars, and extragalactic sources. The X-ray properties of sources in these classes are discussed.Note:
- 32 pages, 6 figures. Accepted for publication in Astrophysical Journal Supplements (with 6 other MYStIX papers). Complete versions of all MYStIX papers are available at http://www.astro.psu.edu/mystix
- X-rays: stars
- stars: pre-main sequence
- stars: formation
- stars: activity
- H II regions
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