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[57.03] Northern Sky Variability Survey (NSVS)

P.R. Wozniak, W.T. Vestrand, K.E. McGowan (LANL), K. Kinemuchi (MSU), ROTSE Collaboration

The Northern Sky Variability Survey (NSVS) is a temporal record of the sky over the optical magnitude range from 8 to 15.5. It was conducted in the course of the first generation Robotic Optical Transient Search Experiment (ROTSE-I) using a robotic system of four co-mounted unfiltered tele-photo lenses equipped with CCD cameras. The survey was conducted from Los Alamos, NM, and primarily covers entire northern sky. Some data in southern fields between declinations 0 deg and -38 deg is also available, although with fewer epochs and noticeably lesser quality. NSVS contains light curves for approximately 14 million objects and typically 100--400 good quality measurements per object. The full data set of NSVS will be released for public access. We discuss main features of the survey and results of preliminary searches for variable stars.

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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.