The Massive Young Star-forming Complex Study in Infrared and X-Ray: X-Ray Sources in 10 Star-forming Regions

Michael A. Kuhn, Konstantin V. Getman, Patrick S. Broos, Leisa K. Townsley, Eric D. Feigelson

Research output: Contribution to journalArticlepeer-review

Abstract

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.
Original languageEnglish
Article number29
JournalAstrophysical Journal, Supplement Series
Volume209
DOIs
Publication statusPublished - 1 Dec 2013

Keywords

  • H II regions
  • stars: activity
  • stars: formation
  • stars: pre-main sequence
  • X-rays: stars
  • Astrophysics - Solar and Stellar Astrophysics
  • Astrophysics - High Energy Astrophysical Phenomena

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