Astronomy and Astrophysics – Astronomy
Scientific paper
May 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.8709y&link_type=abstract
American Astronomical Society, 198th AAS Meeting, #87.09; Bulletin of the American Astronomical Society, Vol. 33, p.916
Astronomy and Astrophysics
Astronomy
1
Scientific paper
X-ray observations of the radio Arc near the Galactic center at l ~0.20 have been carried out with the Advanced CCD Imaging Spectrometer (ACIS) on board Chandra. The field of view includes the Arches cluster, the Quintuplet cluster and the nonthermal radio filaments of the radio Arc. The Arches cluster is an extraordinarily massive star cluster which consists of more than 100 O stars with initial stellar masses greater than 20 solar mass near G0.12-0.02. We present an overview of our findings including the detection of X-ray emission from the Arches cluster as well as a linear X-ray feature lying adjacent to the nonthermal filaments. The brightest component of the X-ray cluster coincides with a number of ionized stellar wind sources detected at radio wavelengths. We discuss the nature of the X-ray emission from the two stellar clusters and the nonthermal filaments.
Cotera Angela
Fruscione Antonella
Lang Christian
Law Colin Christian
Wang Dongming
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