V2051 OPH - A white dwarf eclipsing cataclysmic variable

Details V2051 OPH - A white dwarf eclipsing cataclysmic variable V2051 OPH - A white dwarf eclipsing cataclysmic variable

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205..465c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Nov. 1983, p. 465-470.

Astronomy and Astrophysics

Astronomy

20

Eclipsing Binary Stars, Variable Stars, White Dwarf Stars, Astronomical Photometry, Astronomical Spectroscopy, Light Curve, Mass Ratios, Ubv Spectra

Scientific paper

The authors report some initial results of a programme of spectroscopy and UBV photometry of the eclipsing cataclysmic variable V2051 Oph. They determine an orbital period of 89.9 min and find strong evidence that the white dwarf component is eclipsed. Flickering activity is strong, but the orbital photometric hump is variable in strength. The spectrum is dominated by strong Balmer emission lines, with weaker He I λ4471 emission. All emission lines are double peaked and are severely distorted during eclipse.

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