Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..aprb17064g&link_type=abstract
American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As
Astronomy and Astrophysics
Astrophysics
Scientific paper
The RCrA Dark Cloud Complex was observed by the Chandra X-ray Observatory on 7 October 2000 for 19706 s using the ACIS-I array in faint mode. The image covers 286 sq. arc min centered on the Coronet Cluster, the thckest part of the Dark Cloud. A total of 102 X-ray point sources were detected above a threshold of 7x10**(-16) ergs/cm^2/s in the 0.4 - 8.0 keV band assuming a Raymond and Smith plasma with a temperature of 6.7 M deg and Solar abundance. About one third are identified with cataloged optical and infrared sources with 14% detected only in the infrared. X-ray Spectra of the brightest 10 sources will be presented. A comparison with other young stellar complexes will be made.
Garmire Audrey
Garmire Gordon
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