Study of the variability of the Delta Scuti-stars. III - Radial and nonradial pulsations in KW 207

Details Study of the variability of the Delta Scuti-stars. III - Radial and nonradial pulsations in KW 207 Study of the variability of the Delta Scuti-stars. III - Radial and nonradial pulsations in KW 207

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..85...25b&link_type=abstract

Astrophysics and Space Science, vol. 85, no. 1-2, July 1982, p. 25-29.

Astronomy and Astrophysics

Astrophysics

9

Light Curve, Periodic Variations, Stellar Spectrophotometry, Variable Stars, Amplitudes, Statistical Analysis, Tables (Data)

Scientific paper

Photoelectric observations of the Delta Scuti star KW 207 (HD 73576) are presented. Despite low variations, the analysis of the light curve shows at least two significant periodicities, which appear to be related to nonradial pulsations. It is pointed out that the high rotational velocity of KW 207 weakens the hypothesis that among giants the variables have considerably lower rotational velocities than constant stars.

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