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Nonradial Modes in the Galactic Bulge RR Lyrae Stars

Published online by Cambridge University Press:  12 April 2016

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
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

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Udalski, A., Olech, A., Szymański, M., et al. 1997, Acta Astron., 47, 1 Google Scholar