Period length and the Blazhko effect in RR Lyrae stars
Journal Article
·
· Publications of the Astronomical Society of the Pacific; (USA)
- Van Vleck Observatory, Middletown, CT (USA)
A survey of variable-period RR Lyrae field stars of type RRab was conducted. The data for these stars were culled from the fourth edition of the General Catalogue of Variable Stars (Kholopov 1985, 1987). The survey includes stars known to exhibit the Blazhko effect, stars that possibly exhibit the Blazhko effect, stars known only to have variable periods, and stars that possibly have variable periods. A correlation between the length of the pulsation period and the presence of the Blazhko effect in RRab stars was searched for by comparing the period distributions of each of the aforementioned groups of stars to the period distribution of a sample of nonvariable period RRab stars. From the analysis of the data, the mean periods for each of these groups appear to be significantly different from the mean period of the nonvariable period RRab stars. 10 refs.
- OSTI ID:
- 7041691
- Journal Information:
- Publications of the Astronomical Society of the Pacific; (USA), Journal Name: Publications of the Astronomical Society of the Pacific; (USA) Vol. 102; ISSN PASPA; ISSN 0004-6280
- Country of Publication:
- United States
- Language:
- English
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