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Nonradial Modes in the Galactic Bulge RR Lyrae Stars

Published online by Cambridge University Press:  12 April 2016

P. Moskalik
P. Moskalik*
Affiliation:
Copernicus Astron. Center, ul. Bartycka 18, 00-716 Warsaw, Poland

Abstract

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OGLE-1 photometry of RR Lyrae stars has been analyzed in search of multiperiodic pulsations. A second periodicity corresponding to a nonradial mode has been found in 11 RRab and 2 RRc variables.

Type
Part 4. Blazhko Phenomenon
Information
International Astronomical Union Colloquium , Volume 176: The Impact of Large-Scale Surveys on Pulsating Star Research , 2000 , pp. 315 - 316
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

Olech, A., Kałużny, J., Thompson, I.B., et al. 1999, AJ, 118, 441 CrossRefGoogle Scholar
Udalski, A., Olech, A., Szymański, M., et al. 1997, Acta Astron., 47, 1 Google Scholar