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Photoelectric photometry of seven Delta Scuti stars in Praesepe was secured. Three of them were ob- served simultaneously at observatories located at dier- ent longitudes. Period analysis has been carried out for each star with dierent computing packages and the re- sults compared to those in the literature. Their physical characteristics have been determined from the Stromgren photometry and theoretical and empirical calibrations.

Photoelectric photometry and period analysis of selected Delta Scuti stars in Praesepe