Discovery of Variable Stars in the Field of the Galactic Open Cluster NGC 7039

Details Discovery of Variable Stars in the Field of the Galactic Open Cluster NGC 7039 Discovery of Variable Stars in the Field of the Galactic Open Cluster NGC 7039

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21642606h&link_type=abstract

American Astronomical Society, AAS Meeting #216, #426.06

Astronomy and Astrophysics

Astronomy

Scientific paper

We have initiated a program to identify variable stars in Galactic open clusters. In the fall/winter of 2009, imaging photometry has been acquired, mainly in the R band, for 8 open clusters using the 81-cm Tenagra telescope in Arizona. Here we report on the preliminary results in NGC 7039, a moderately young cluster (66 Myr) at a distance of 0.95 kpc. From 25 September 2009 to 4 November 2009, more than 30 candidate variable stars have been found and classified --- based on the amplitude and period determined from the light curves --- with variability timescales ranging from hours to weeks.

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