Journal
ASTRONOMY & ASTROPHYSICS
Volume 373, Issue 3, Pages 899-904Publisher
EDP SCIENCES S A
DOI: 10.1051/0004-6361:20010599
Keywords
globular clusters : individual : M 22; stars: variables : RRlyr; general; blue stragglers; binaries : eclipsing
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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.
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