Variability Study of EHB Stars in the Globular Cluster NGC 6752

Details Variability Study of EHB Stars in the Globular Cluster NGC 6752 Variability Study of EHB Stars in the Globular Cluster NGC 6752

2007-12-21

arxiv.org/abs/0712.3668v1

Astronomy and Astrophysics

Astrophysics

4 pages, 4 figures, to appear in "Hot Subdwarf Stars and Related Objects", ASP Conf. Ser

Scientific paper

We present the results of a search for variable stars in the central part of the globular cluster NGC 6752. The monitored sample included 160 BHB and 107 EHB stars, respectively. A total of 17 variables were detected of which 14 are new identifications. Five variables are BHB/EHB stars. We report also on identification of a detached eclipsing binary being likely a member of the cluster. Moreover, we detected an outburst of a dwarf nova located in the cluster core.

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