Physics
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1427w&link_type=abstract
Chandra Proposal ID #05400515
Physics
Chandra Proposal Id #05400515
Scientific paper
The source AC211 in the globular cluster M15 is viewed close to the orbital plane with the central X-ray source hidden behind an Accretion Disk Corona (ADC). We propose to make a Chandra HETG observation of this source to investigate the structure of the accretion flow and the emission properties of the ADC. The high spectral resolution of the HETG is ideally suited to probe the photo-ionized plasma in the vicinity of the X-ray source. To avoid contamination from a nearby bright Low mass X-ray binary in M15 (2.7 arc sec away) this observation must be performed at a constrained roll angle. As a free bonus this observation will also provide an excellent high resolution spectrum of this second source.
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