Investigation of Five Suspected Variables

 

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Massimiliano Martignoni

Via Don Minzoni 26/d, 20020 Magnago (Milano), Italy

 

Received November 25, 2003

 

Abstract  Using a CCD Camera with a Kodak 401E/L chip and a Meade LX200 Schmidt Cassegrain telescope, we confirmed variability and determined preliminary light elements of three stars listed in the NSV Catalogue: NSV 11924, NSV 12971, and NSV 12978. The first two are pulsating variables of the RR Lyr type. The third one is an eclipsing binary of the EW sub-class. For other two stars (NSV 10998 and NSV 12965) no variability was detected.

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