The nature of RW Sextantis

Details The nature of RW Sextantis The nature of RW Sextantis

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.130..175b&link_type=abstract

(IAU, DFG, and Bayerisches Staatsministerium für Unterricht und Kultus, Colloquium on Cataclysmic Variables, Recent Multi-Freque

Astronomy and Astrophysics

Astrophysics

6

Accretion Disks, Binary Stars, Cataclysmic Variables, Stellar Models, Stellar Spectrophotometry, Radial Velocity, Stellar Orbits

Scientific paper

Photometry and first results of extensive CCD-spectroscopy of the UX UMa system RW Sex are presented. The period is found to be P = 0.24486 days and the semi-amplitude of the radial velocity is K1 = 101 km s-1. The mass of a Roche-lobe filling secondary is M2 = (0.54±0.09) M_sun; and, for M1 ≥ M2, the mass ratio is M1/M2 = 1.5±0.5. The accretion rate is about (2-3) 1017 g/s. The model for RW Sex by Greenstein and Oke is discussed and rejected.

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