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A Catalog of Chandra X-ray Sources in the Carina Nebula

By Patrick S. Broos, Leisa K. Townsley, Eric D. Feigelson, Konstantin V. Getman, Gordon P. Garmire, Thomas Preibisch, Nathan Smith, Brian L. Babler, Simon Hodgkin, Rémy Indebetouw, Mike Irwin, Robert R. King, Jim Lewis, Steven R. Majewski, Mark J. McCaughrean, Marilyn R Meade and Hans Zinnecker


We present a catalog of ~14,000 X-ray sources observed by the ACIS instrument on the Chandra X-ray Observatory within a 1.42 square degree survey of the Great Nebula in Carina, known as the Chandra Carina Complex Project (CCCP). This study appears in a Special Issue of the ApJS devoted to the CCCP. Here, we describe the data reduction and analysis procedures performed on the X-ray observations, including calibration and cleaning of the X-ray event data, point source detection, and source extraction. The catalog appears to be complete across most of the field to an absorption-corrected total-band luminosity of ~10^{30.7} erg/s for a typical low-mass pre-main sequence star. Counterparts to the X-ray sources are identified in a variety of visual, near-infrared, and mid-infrared surveys. The X-ray and infrared source properties presented here form the basis of many CCCP studies of the young stellar populations in Carina.Comment: Accepted for the ApJS Special Issue on the Chandra Carina Complex Project (CCCP), scheduled for publication in May 2011. All 16 CCCP Special Issue papers are available at through 2011 at least. 29 pages, 11 figure

Topics: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Year: 2011
DOI identifier: 10.1088/0067-0049/194/1/2
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