Discovery of 17 Variable Stars in the Old Open Cluster NGC6791

Details Discovery of 17 Variable Stars in the Old Open Cluster NGC6791 Discovery of 17 Variable Stars in the Old Open Cluster NGC6791

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.265...34k&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 265, NO. 1/NOV1, P. 34, 1993

Other

23

Binaries: Close - Stars: Variables: Other - Open Clusters And Associations: Individual: Ngc 6791

Scientific paper

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.

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