Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..372..531r&link_type=abstract
15th European Workshop on White Dwarfs ASP Conference Series, Vol. 372, proceedings of the conference held 7-11 August, 2006 in
Astronomy and Astrophysics
Astronomy
Scientific paper
Chandra observations have revealed a large population of faint X-ray point sources in the Galactic Center (GC). The observed population consists of ⪆ 2000 faint sources in the luminosity range ˜ 1031-1033 erg s-1. Most of these sources are described by hard spectra, while the rest are rather soft. The nature of these sources still remains unknown. Belczynski & Taam (2004) demonstrated that X-ray binaries with neutron star or black hole accretors may account for most of the soft sources, but are not numerous enough to account for the observed number and X-ray properties of the faint hard sources. A population synthesis calculation of the GC region has been carried out. Our results indicate that the numbers and X-ray luminosities of intermediate polars are consistent with the observed faint hard X-ray GC population.
Belczynski Krzysztof
Harrison Thomas E.
Ruiter Ashley J.
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