Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979sval....5..188s&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 5, July 1979, p. 353-359.) Soviet Astronomy Letters, vol. 5, July-Aug. 1979, p. 188-192
Astronomy and Astrophysics
Astronomy
1
Eclipsing Binary Stars, Stellar Magnitude, Stellar Mass, Stellar Spectra, Variable Stars, Astronomical Catalogs, Irregular Variable Stars, Mira Variables, Parallax, Stellar Luminosity, Stellar Rotation
Scientific paper
The mean absolute magnitudes, mean masses, and dynamic parallaxes of the three most abundant types of variable stars, the Delta Scuti pulsating variables, the Alpha(2) Canum Venaticorum pulsating variables, and the UV Ceti eruptive variables, are determined using the main sequence mass luminosity relation formulated by Baize (1975). The Delta Scuti stars are found to be 0.8 magnitudes brighter than constant stars of the same spectral type and to be more massive by a factor of 1.26, while the Alpha(2) Canum Venaticorum stars are 0.6 magnitudes brighter and 1.15 times as massive as constant stars; the UV Ceti flare stars are found to be fainter by 1.70 magnitudes and 0.65 times as massive as the corresponding constant control stars. Masses, magnitudes, and dynamic parallaxes of Mira variables, irregular variables, and eclipsing variables with and without known orbits are also presented.
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