Discovery of 17 variable stars in the old open cluster NGC 6791
Open Access
- 1 November 1993
- journal article
- research article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 265 (1) , 34-42
- https://doi.org/10.1093/mnras/265.1.34
Abstract
We report results of photometric monitoring of the NGC 6791 field in V and B on four nights. We discovered eight contact binaries and nine other variables, with the majority of the latter (which are probably also binaries) observed in the region of the turn-off point of the cluster. The contact binaries seem to exhibit various stages of evolution, but two of them are blue stragglers. One of the variables is probably a binary composed of a red dwarf and a hot subdwarf.Keywords
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