M53 variable stars V light curves (Kopacki, 2000)

Details M53 variable stars V light curves (Kopacki, 2000) M53 variable stars V light curves (Kopacki, 2000)

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ycat..33580547k&link_type=abstract

VizieR On-line Data Catalog: J/A+A/358/547. Originally published in: 2000A&A...358..547K

Physics

Clusters: Globular, Stars: Variable, Photometry: Ccd

Scientific paper

We present the results of the application of the Image Subtraction Method (ISM) to the CCD observations of the central region of globular cluster M53. We have obtained good quality light curves of the 23 previously known RR Lyrae stars in this cluster. We have also confirmed the variability of ten RR Lyrae candidates discovered by Kravtsov. Moreover, we have found four new variables of this type in the core of the cluster. Altogether, the light curves have been obtained for 37 RR Lyrae stars. We also report the discovery of variations in six cluster bright giants. (3 data files).

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