Astrophysics and Space Science

, Volume 173, Issue 1, pp 69–76 | Cite as

Photographicuvby photometry of the open cluster M52

  • N. T. Kaltcheva


Photographicuvby photometry of 15 stars in the open cluster M52 (NGC 7654) has been obtained. The distance modulusVoMv=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.


Physical Characteristic Numerical Estimation Open Cluster Cluster reddeningE Basic Physical Characteristic 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Kluwer Academic Publishers 1990

Authors and Affiliations

  • N. T. Kaltcheva
    • 1
  1. 1.Department of AstronomyUniversity of SofiaBulgaria

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