New radial pulsation constants for the Beta Cephei variables

Details New radial pulsation constants for the Beta Cephei variables New radial pulsation constants for the Beta Cephei variables

May 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.214...33s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 214, May 1, 1985, p. 33-44. Research supported by the U

Astronomy and Astrophysics

Astronomy

28

Cepheid Variables, Pulse Rate, Stellar Oscillations, Binary Stars, Calibrating, Mass To Light Ratios, Stellar Luminosity, Stellar Magnitude

Scientific paper

Recent new calibrations of luminosities, temperatures and bolometric corrections for B stars in terms of the β index and the Strömgren parameter c0 have necessitated the recalculation of the radial pulsation constants, Q, for the β Cephei (of β Canis Majoris) variable stars. Corrections for the effect of binaries on the absolute magnitudes, derived both from the luminosity calibration and from the mean distance moduli of those variables in clusters, are calculated in an Appendix. The mean value of Q, although determined from absolute magnitudes which are about 0.4 mag fainter than those from previous calibrations of the β index, still suggests that the majority of the variables are pulsating in the first overtone radial mode, as have most investigations in recent years.

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