Light variations of the AM star 32 VIR

Details Light variations of the AM star 32 VIR Light variations of the AM star 32 VIR

Jul 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26as...53..139b&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 53, July 1983, p. 139-155.

Astronomy and Astrophysics

Astrophysics

2

A Stars, Binary Stars, Mass To Light Ratios, Peculiar Stars, Stellar Oscillations, Stellar Spectra, Electrophotometry, Light Curve, Metallicity

Scientific paper

Photoelectric observations of the spectroscopic binary and Am star 32 Vir which extended over a time interval of four years show that this star is pulsating with a strongly variable amplitude. Frequency analysis shows that the period P = 0.07188d has the highest amplitude and is constant. A second period still fairly uncertain seems to indicate a radial mode of oscillation. Between the two proposed models: primary or secondary pulsating, the first one seems to be preferable.

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