Cataclysmic Variables from the Chandra Multi-wavelength Plane Survey

Details Cataclysmic Variables from the Chandra Multi-wavelength Plane Survey Cataclysmic Variables from the Chandra Multi-wavelength Plane Survey

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21743408z&link_type=abstract

American Astronomical Society, AAS Meeting #217, #434.08; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the Cataclysmic Variables discovered from the Chandra Multi-wavelength Plane Survey (ChaMPlane). ChaMPlane is designed to survey the point X-ray sources discovered by the Chandra X-ray Observatory in the galactic plane in order to constrain the X-ray binary population in the Galaxy. We have been conducting the ChaMPlane survey since year 2000. The survey includes the data from the Chandra achieve, as well as the optical and infrared images and spectroscopes. CV candidates are first identified from the Chandra and optical imaging in the deep V, I, R, H-alpha bands. Then optical spectroscopic follow-ups are conducted to confirm their status. CVs are identified by their hydrogen Balmer and helium emission lines, often broadened and double peaked due to the accretion disk rotation around the primary. We present the spectra of 20 CVs obtained from the Magellan, CTIO-4m and WIYN telescopes.

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