The frequency analysis of low-amplitude Delta Scuti stars. III - HD8781

Details The frequency analysis of low-amplitude Delta Scuti stars. III - HD8781 The frequency analysis of low-amplitude Delta Scuti stars. III - HD8781

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.190..103k&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 190, Jan. 1980, p. 103-110.

Astronomy and Astrophysics

Astronomy

8

Cepheid Variables, Stellar Radiation, Stellar Spectrophotometry, Variable Stars, Astronomical Catalogs, Frequencies

Scientific paper

A frequency analysis of 556 observations of the new Delta Scuti star HD8781 is presented. Four frequencies are derived for which the period ratios and frequency spacings suggest nonradial oscillations and which fit the observations to an accuracy of 0.0024 mag. Arguments based on the signal-to-noise ratios in the power spectra and the frequency spacings indicate that the two frequencies of smaller amplitude are also correctly identified.

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