Rapid oscillations of five stars in the spectral range A and F. I

Details Rapid oscillations of five stars in the spectral range A and F. I Rapid oscillations of five stars in the spectral range A and F. I

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992an....313..233h&link_type=abstract

Astronomische Nachrichten (ISSN 0004-6337), vol. 313, no. 4, p. 233-241.

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2

Stellar Oscillations, Stellar Spectra, Variable Stars, Late Stars, Stellar Spectrophotometry

Scientific paper

The five stars HD 4849, HD 24712, HD 182475, HD 184552 and HD 215874 are a small group of objects enclosed in a larger observational program for searching of rapid oscillations. They have been observed with the 50 cm ESO-telescope at La Silla (Chile). These objects are characterized as a suspected delta Scuti-type star, an Ap star, an A9 V star, an A1m star and an A9 III-IV star, respectively. For the first two stars the periods, detected by other authors, were confirmed. For HD 182475 a period of 112.3 min has been estimated. In the case of HD 184552 an oscillation with a period of 163.3 min has been found. The star HD 215874 shows unambiguously a variation with a period of 97.2 min.

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