
doi: 10.1007/bf00642563
Photographicuvby photometry of 15 stars in the open cluster M52 (NGC 7654) has been obtained. The distance modulusVo−Mv=11.3±0.1 and mean cluster reddeningE(B−V)=0.57 are determined. Some basic physical characteristics of 30 stars with observeduvby values are obtained as well as a numerical estimation of the open cluster age 9.6×107 yr is made.
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