Modelling the Galactic CV distribution for the ChaMPlane Project

Details Modelling the Galactic CV distribution for the ChaMPlane Project Modelling the Galactic CV distribution for the ChaMPlane Project

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.1904r&link_type=abstract

American Astronomical Society Meeting 205, #19.04; Bulletin of the American Astronomical Society, Vol. 36, p.1371

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Scientific paper

We model the cataclysmic variable (CV) distribution in the Galaxy to better understand CV detection rates for the ChaMPlane survey of accreting X-ray sources in the Galactic plane. The CV distribution is modeled as a warped, flared exponential disk with a Gaussian vertical structure. Extinction is based on the recently published Galactic dust and gas model by Drimmel, et al. A luminosity function for CVs is also incorporated, based on a smoothed version of published data by Patterson. We use Monte-Carlo techniques to distribute of order 1-2 × 106 CVs throughout the Galaxy. We then determine the expected number per NOAO 4m telescope Mosaic field as a function of limiting magnitude and Galactic coordinates, within the plane but outside of the bulge (20o

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