Searching for Variable Stars in the Field of NGC 7789

Details Searching for Variable Stars in the Field of NGC 7789 Searching for Variable Stars in the Field of NGC 7789

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003chjaa...3..151z&link_type=abstract

Chinese Journal of Astronomy & Astrophysics, Vol. 3, p. 151-165

Astronomy and Astrophysics

Astrophysics

16

Open Clusters: Individual (Ngc 7789), Stars: Variables (General), Binaries: General

Scientific paper

We present the results of a time-series CCD photometric survey of variable stars in the field of the open cluster NGC 7789. In a field of about one degree centering on the cluster, a total of 28 new variable stars are discovered (14 W UMa systems, nine EA-type eclipsing binaries, one RR Lyr star, and four unclassified). In addition, we recovered 11 old variables previously discovered by other authors. Preliminary parameters are given for some of these variables.

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