FM Comae (=HR 4684) revisited

Details FM Comae (=HR 4684) revisited FM Comae (=HR 4684) revisited

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...268..123p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 268, no. 1, p. 123-130.

Astronomy and Astrophysics

Astrophysics

3

Stellar Oscillations, Variable Stars, Coupled Modes, Light Curve, Power Spectra, Stellar Spectra

Scientific paper

New and unpublished observations combined with all other available observations were analysed. Four frequencies were found to be definitely present, of which two are strongly supported as having amplitude variation. The time scale of the amplitude variation of the frequency at 18.563 c/d is about 120 days. Two closely spaced, unresolved frequencies as an explanation of the amplitude variation are ruled out based on the star's 13 years' pulsational behavior.

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