Photometry of long-period Algol binaries. VI - Multicolor photometric solutions for RZ CANCRI

Details Photometry of long-period Algol binaries. VI - Multicolor photometric solutions for RZ CANCRI Photometry of long-period Algol binaries. VI - Multicolor photometric solutions for RZ CANCRI

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....98.1002o&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 98, Sept. 1989, p. 1002-1013.

Astronomy and Astrophysics

Astronomy

6

Eclipsing Binary Stars, Giant Stars, K Stars, Mass Ratios, Stellar Spectrophotometry, Ephemeris Time, Mass Transfer, Stellar Mass Ejection, Stellar Orbits

Scientific paper

New intermediate-band photometry of the late-giant eclipsing system RZ CNc is used to obtain photometric solutions, both with the Popper (1976) spectroscopic mass ratio and by allowing the mass ratio and gravity-darkening coefficients to vary. New y observations are combined with earlier V data of Lenouvel (1957) and Broglia and Conconi (1973) in one solution set. Additional solutions are obtained from the new observations. The mean photometric mass ratio is somewhat larger than Popper's spectroscopic values; the general indeterminacy of photometric solutions may explain this apparent discrepancy. Possible photometric effects of a mass-transferring stream are discussed, and it is concluded that such effects cannot account for the mass-ratio discrepancy.

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