Detection of emission lines from the secondary star in IX Velorum (=CPD-48 deg 1577)

Details Detection of emission lines from the secondary star in IX Velorum (=CPD-48 deg 1577) Detection of emission lines from the secondary star in IX Velorum (=CPD-48 deg 1577)

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...230..326b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 230, no. 2, April 1990, p. 326-338.

Astronomy and Astrophysics

Astrophysics

68

Binary Stars, Emission Spectra, Stellar Orbits, Stellar Spectra, Variable Stars, Balmer Series, Cataclysmic Variables, Line Spectra, White Dwarf Stars

Scientific paper

The paper presents phase-resolved spectroscopy of the novalike (UX UMa type) cataclysmic binary IX Vel with FWHM resolutions of 1.3 A at H-beta and 2.7 A at H-alpha. The spectroscopic orbital period is 0.193929(2) days. The Balmer and HeI emission-line profiles consist of a broad component from the accretion disk and an anti-phased sharp component from the irradiated face of the late-type secondary star. A geometric and kinematic model of the irradiation-produced lines is used to derive the inclination of the system and the masses of the white dwarf and the late-type star.

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