Photometry of the RS CVn type eclipsing binary UV PISCIUM

Details Photometry of the RS CVn type eclipsing binary UV PISCIUM Photometry of the RS CVn type eclipsing binary UV PISCIUM

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss..99..239v&link_type=abstract

(International Astronomical Union, Colloquium on Double Stars, Physical Properties and Generic Relations, 80th, Bandung, Indones

Astronomy and Astrophysics

Astrophysics

21

Eclipsing Binary Stars, Light Curve, Stellar Evolution, Stellar Luminosity, Stellar Spectrophotometry, Ubv Spectra, Chromosphere, Hertzsprung-Russell Diagram, Main Sequence Stars, Stellar Color, Stellar Coronas

Scientific paper

The analysis of the UBV photoelectric study of the short period RS CVn eclipsing binary, UV Psc, has suggested that the primary is a transit with thetae = 27 deg, i = 88.5 deg, and k = 0.75. The spectral type and luminosity of the hotter component is estimated to be G4-6V and that of the cooler component to be K0-2V. Absolute dimensions for the components of UV Psc were derived by combining the present analysis with that of the spectroscopic analysis given by Popper. The out-of-eclipse observations have showed large amount of scatter and an investigation of this showed that hotter component could be an intrinsic variable. No periodicity for this variation has been fixed due to lack of sufficient data.

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