Eclipse studies of the dwarf nova OY Carinae in quiescence

Details Eclipse studies of the dwarf nova OY Carinae in quiescence Eclipse studies of the dwarf nova OY Carinae in quiescence

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...341..974w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 341, June 15, 1989, p. 974-996.

Astronomy and Astrophysics

Astrophysics

148

Dwarf Novae, Eclipsing Binary Stars, Light Curve, Stellar Spectrophotometry, Red Dwarf Stars, Stellar Models, Stellar Orbits, White Dwarf Stars

Scientific paper

High-speed photometry of OY Car have been obtained which cover 20 eclipses in white light and seven eclipses in UBR. The results show the red dwarf to have a mass of 0.070 + or - 0.002 solar masses and a radius of 0.127 + or - 0.002 solar radii, and the white dwarf to have a temperature of several thousand degrees below 15,000 K. The bright spot is found to have a compact 15,000-K core and a tail that extends along the rim but does not penetrate far into the disk.

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