A Beta Cephei variable in an eclipsing binary in the cluster NGC 3293

Details A Beta Cephei variable in an eclipsing binary in the cluster NGC 3293 A Beta Cephei variable in an eclipsing binary in the cluster NGC 3293

Apr 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.219..449e&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 219, April 1, 1986, p. 449-456.

Astronomy and Astrophysics

Astronomy

13

Eclipsing Binary Stars, Main Sequence Stars, Star Clusters, Stellar Spectrophotometry, Variable Stars, Astronomical Catalogs, B Stars, Diurnal Variations, Light Curve, Stellar Oscillations, Traveling Waves

Scientific paper

The authors present photometric observations of HD 92024 in NGC 3293 which is found to be both a β Cep variable with oscillation periods of 0.177 and 0.130 day and a member of an eclipsing binary with a period of 8.323 day. The solution of the eclipsing light curve indicates that the secondary is probably a main-sequence star of spectral type B8. The oscillation frequencies have a ratio close to what is expected for first overtone and second overtone radial pulsation, but a 1 cycle day-1 ambiguity in one of the frequencies also allows the identification of the two modes as quadrupole travelling waves.

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