Double-Mode RR LYRAE (RRd) Variables and a Blended RR LYRAE Pair in the Globular Cluster M3

Details Double-Mode RR LYRAE (RRd) Variables and a Blended RR LYRAE Pair in the Globular Cluster M3 Double-Mode RR LYRAE (RRd) Variables and a Blended RR LYRAE Pair in the Globular Cluster M3

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...191.8007c&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #80.07; Bulletin of the American Astronomical Society, Vol. 29, p.1339

Astronomy and Astrophysics

Astronomy

Scientific paper

Light curves are presented for the M3 variables V4, V68, V79, V87, V99, and V166, based on 183 CCD B images. The data were taken in 1992 and 1993 on the Kitt Peak 0.9-m telescope. V68 and V87 have long been known as double-mode pulsators, V79 has been recently identified as a double-mode pulsator (Clement et al. 1997), and V99 and V166 are identified here as double-mode pulsators. V4 has been previously identified as a blended RR Lyrae pair. The light curve of V4 is reproduced here by the sum of two RRab light curves of slightly different periods and different amplitudes. Clement C., Hilditch, R., Kaluzny, J., and Rucinski, S. 1997, ApJ, 489L, 55.

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