VLT Spectroscopy of Four Short Period Cataclysmic Variables

Details VLT Spectroscopy of Four Short Period Cataclysmic Variables VLT Spectroscopy of Four Short Period Cataclysmic Variables

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.0918s&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #09.18; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

VLT UVES spectroscopy of four short period, non-magnetic cataclysmic variable stars is presented. The stars observed were GW Lib, BW Scl, VY Aqr, and Z Cha. The 0.1A resolution spectra were uses to measure line strengths and velocity information. Using these measured values, physical parameters, such as the stellar masses, the binary inclination, and the nature of the accretion disk were determined. Mass constraints in the stars BW Scl and GW Lib strongly suggest that the mass donors are likely to be degenerate stars with masses less than 0.06 M-sun. Skinner's research was supported by the NOAO/KPNO Research Experiences for Undergraduates (REU) Program which is funded by the National Science Foundation through Scientific Program Order No. 3 (AST-0243875) of the Cooperative Agreement No. AST-0132798 between the Association of Universities for Research in Astronomy (AURA) and the NSF.

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