Soi/soar Search For Short-Period Variable Stars In The Open Cluster Ngc 6531

Details Soi/soar Search For Short-Period Variable Stars In The Open Cluster Ngc 6531 Soi/soar Search For Short-Period Variable Stars In The Open Cluster Ngc 6531

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21541702e&link_type=abstract

American Astronomical Society, AAS Meeting #215, #417.02; Bulletin of the American Astronomical Society, Vol. 42, p.271

Astronomy and Astrophysics

Astronomy

Scientific paper

In this work we report preliminary results of a search for shortperiod variable stars in the open cluster NGC 6531. In particular we looked for new roAp, Delta-Scuti and gamma-Doradus stars. We collected high-precision V-Bessel time-series data with the SOAR Optical Imager (SOI) at the SOAR 4.1m telescope. The data were reduced using a custom pipeline based on IRAF/PyRAF and the final light-curves were analyzed using discrete Fourier transforms (DFT). The periods and the preliminary classifications of five newly discovered variables are discussed.

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