Alpha 2 CVn - A comparison between SPOT and oblate spheroid models

Details Alpha 2 CVn - A comparison between SPOT and oblate spheroid models Alpha 2 CVn - A comparison between SPOT and oblate spheroid models

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988japa....9..173n&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 9, Sept. 1988, p. 173-183. Research supported by the Ministry of Sc

Astronomy and Astrophysics

Astrophysics

A Stars, Main Sequence Stars, Oblate Spheroids, Peculiar Stars, Stellar Spectrophotometry, Abundance, Astronomical Models, Far Ultraviolet Radiation, Light Curve, Stellar Atmospheres

Scientific paper

A comparison is made between a hot-spot model and a recently proposed oblate spheroid model (Boehm-Vitense & Van Dyk, 1987) to explain the spectroscopic and photometric variations of Alpha 2 CVn. It is found that the spot model gives a better fit to the spectroscopic and photometric variations. The spot model requires five high temperature circular patches over the surface of the star. The positions of these patches agree well with those derived spectroscopically by Pyper (1969).

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