COMMUNICATIONS / MITTEILUNGEN
Red Giant Stars of M3
No. 73
Budapest, 1979
Abstract
Photographic observations of seven red giant stars of M3 (CI >= 1.3 mag.) are
presented. The star v.z.1397 was found to be variable with the period of
31.395 or 215.8 days. Two other stars, v.z.238 and 837 previously known as
variables, show constant light within the observational error. It seems that
only the two reddest stars in M3, i.e. v.z.1397, CI = 1.58 mag. and v.z.318 =
V95, CI= 1.60 mag., are variable.
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