Chandra/ACIS Observations of Rosette: Diffuse X-rays Discovered in a Galactic H II Region

Details Chandra/ACIS Observations of Rosette: Diffuse X-rays Discovered in a Galactic H II Region Chandra/ACIS Observations of Rosette: Diffuse X-rays Discovered in a Galactic H II Region

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...19912404t&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #124.04; Bulletin of the American Astronomical Society, Vol. 33, p.1488

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We present the first high-spatial-resolution X-ray images of the Rosette Nebula and Rosette Molecular Cloud (RMC), obtained in a series of 4 20-ksec snapshots with the Advanced CCD Imaging Spectrometer aboard the Chandra X-ray Observatory in January 2001. These images form a striking 1-degree X-ray panorama of a rich high-mass star formation region. The OB association is resolved at the arcsecond level into >300 sources. The other 3 pointings step across the RMC, with >100 X-ray sources in each. Soft diffuse emission is seen at the center of the H II region and is resolved from the point source population. This extended emission is most likely from the fast O-star winds, which thermalize and shock the surrounding media. Support for this effort was provided by the Chandra X-ray Observatory GO2 grant G01-2008X.

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