Articles written in Journal of Astrophysics and Astronomy
Volume 9 Issue 3 September 1988 pp 173-183
A comparison is made between a hot-spot model and a recently proposed oblate spheroid model (Böhm-Vitense & Van Dyk 1987) to explain the spectroscopic and photometric variations of α2 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).
Volume 13 Issue 2 June 1992 pp 175-194
Mid-ultraviolet and optical photometric analysis of helium stars are presented. A linear relation exists between the effective temperature derived from model atmospheres and (1965-V)0 index. The effective temperatures derived from (1965-V)0 index are somewhat higher than that of MK spectral type estimates especially for late B-type helium objects.
Volume 43, 2022
Continuous Article Publishing mode
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