THE MASSIVE YOUNG STAR-FORMING COMPLEX STUDY IN INFRARED AND X-RAY: X-RAY SOURCES IN 10 STAR-FORMING REGIONS

被引：35
|
作者：
Kuhn, Michael A. [1 ]
Getman, Konstantin V. [1 ]
Broos, Patrick S. [1 ]
Townsley, Leisa K. [1 ]
Feigelson, Eric D. [1 ]
机构：
[1] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA
来源：
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2013年 / 209卷 / 02期
基金：
美国国家科学基金会;
关键词：
H II regions; stars: activity; stars: formation; stars: pre-main sequence; X-rays: stars; STELLAR POPULATION; CHANDRA OBSERVATION; OUTER GALAXY; CLUSTER; EMISSION; NGC-2264; ACIS; CATALOG; NEBULA; DISCOVERY;
D O I：
10.1088/0067-0049/209/2/27
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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.
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页数：11
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