The Beta Scuti star HR 5437

Details The Beta Scuti star HR 5437 The Beta Scuti star HR 5437

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26as...93...87l&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 93, April 1992, p. 87-92. Research supported by NNSFC.

Astronomy and Astrophysics

Astrophysics

3

Cepheid Variables, Stellar Oscillations, Stellar Spectrophotometry, Fourier Transformation, Frequency Response, Ubv Spectra, Vibration Mode

Scientific paper

Johnson V band and Stromgren uvby-beta photoelectric photometry of HR 5437 were performed in 1989 and 1991. By using Fourier periodograms and a convergent least-squares analysis, 196 V band measurements of seven nights obtained during April 2-21, 1991 are analyzed. The main pulsational frequency of HR 5437 is found to be 11.38993 cycle/d. This frequency, combined with another frequency 8.5367 cycle/d found by Paparo et al. (1990) suggest that HR 5437 is a radial-pulsation beta-Scuti variable star in the fundamental and first overtone modes.

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