Stromgren photometry of the low amplitude Delta Scuti star Beta Cassiopeiae

Details Stromgren photometry of the low amplitude Delta Scuti star Beta Cassiopeiae Stromgren photometry of the low amplitude Delta Scuti star Beta Cassiopeiae

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26as...96..429r&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 96, no. 3, p. 429-434.

Astronomy and Astrophysics

Astrophysics

14

Stellar Oscillations, Stellar Spectrophotometry, Variable Stars, Fourier Transformation, Light Curve, Power Spectra, Radial Velocity

Scientific paper

Uvby (beta) photometric observations of the delta Scuti type star Beta Cassiopeiae are presented. Analysis of the data using both Fourier Transform and classical O-C methods establishes Beta Cas as a monoperiodic pulsator with a period of 0.10091d. The physical parameters of this star are determined. The analysis of the phase shifts between observed light and color variations suggests that Beta Cas can be a nonradial pulsator, but a discrepant amplitude ratio Delta (b-y)/Delta y is observed.

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