| Issue |
A&A
Volume 373, Number 3, July III 2001
|
|
|---|---|---|
| Page(s) | 899 - 904 | |
| Section | Galactic structure, stellar clusters, and populations | |
| DOI | https://doi.org/10.1051/0004-6361:20010599 | |
| Published online | 15 July 2001 | |
Clusters AgeS Experiment. New variable stars in the globular cluster M 22
1
Copernicus Astronomical Center, Bartycka 18, 00-716 Warsaw, Poland
2
Carnegie Observatories, 813 Santa Barbara St., Pasadena, CA 91101-1292, USA e-mail: ian@ociw.edu
Corresponding author: J. Kaluzny, jka@camk.edu.pl
Received:
6
February
2001
Accepted:
23
April
2001
We report the identification of 36 new variable stars located in the central field of the globular cluster M 22. The sample includes 10 SX Phe stars, 7 RR Lyr stars and 17 candidate eclipsing binaries. A low-amplitude variable was detected among the extended horizontal branch stars.
Key words: globular clusters: individual: M 22 / stars: variables: RRlyr; general / blue stragglers; binaries: eclipsing
© ESO, 2001
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