A spotted component in the very close late-type binary system VZ PISCIUM

Details A spotted component in the very close late-type binary system VZ PISCIUM A spotted component in the very close late-type binary system VZ PISCIUM

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...234..177m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 234, no. 1-2, Aug. 1990, p. 177-180. Research supported by CNR and CNRS.

Astronomy and Astrophysics

Astrophysics

21

Eclipsing Binary Stars, Starspots, Stellar Activity, Late Stars, Light Curve, Stellar Magnetic Fields, Stellar Spectra

Scientific paper

The light curve solution of the WUMa B-type binary VZ Psc has been redetermined. A model with two dark spots on the surface of one of the components was used. The presence of these spots is suggested by the variability of the light curve. The new solution yields absolute dimensions which are in better agreement with the late spectral type of the two stars. This removes some of the problems with previously published solutions. The problem of the uniqueness of solutions with spots is briefly discussed.

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