Abstract
ABSTRACT Thirty-nine stars in the nuclei of the galactic clusters h and X Per have been tested for short-period light variability. Two stars showed evidence of short-period ( 10 hours) light variability; these stars both have spectral types and absolute magnitudes similar to those of known fi Cephei stars. Five stars showed evidence of longer-peried light variability. Key words: photometry - variable stars - galactic clusters
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