DELTA SCUTI AND RELATED STARS

An extensive review is given of the current status of our knowledge of the stars in the lower instability strip. Current problems are emphasized. Particular attention is given to the following areas: the confusion concerning naming and the implied astrophysical properties (often erroneous), single a...

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Bibliographic Details
Published in:Publications of the Astronomical Society of the Pacific 1979-02, Vol.91 (539), p.5-26
Main Author: BREGER, MICHEL
Format: Article
Language:English
Subjects:
Am stars
Delta Scuti variable stars
Dwarf stars
Instability strip
Main sequence stars
Radial velocity
Stars
Stellar pulsations
Stellar rotation
Variable stars
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Summary:An extensive review is given of the current status of our knowledge of the stars in the lower instability strip. Current problems are emphasized. Particular attention is given to the following areas: the confusion concerning naming and the implied astrophysical properties (often erroneous), single and multiple periods, the effect of rotation and metallicism on pulsation, the nature of the so-called dwarf cepheids, and pulsation in Ap stars. Various reports of unusual and strange effects are also discussed with personal, possibly biased judgment on their reality.
ISSN:0004-6280
1538-3873
DOI:10.1086/130433