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Two Mid-Giant Branch Stars in M15
Published online by Cambridge University Press: 12 April 2016
Abstract
High precision photographic photometry indicates that two stars lying on the giant branch in the C-M diagram of M15 are small amplitude (~0.2 mag) variables. The two stars are Kustner 64 and 152. This investigation is based on plates taken with three telescopes: the Dominion Astrophysical Observatory 1.8-metre reflector, the David Dunlap 1.9-metre reflector and the Yunnan 1-metre reflector in China. The existing data is not sufficient for period determination.
- Type
- Part IV. Population II Cepheids
- Information
- International Astronomical Union Colloquium , Volume 82: Cepheids: Theory and Observations , 1985 , pp. 264 - 267
- Copyright
- Copyright © Cambridge University Press 1985