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Integrated magnitudes and colors of open clusters

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Abstract

The integratedUBV characteristics of 50 galactic clusters, computed for the clusters' physical members only (segregated on the basis of the proper motions or radial velocities) are discussed.

On the basis of a comparison between the empirically-obtained dependences and their theoretical counterparts (Searleet al., 1973) a suggestion has been made that the number of the massive stars (with masses>10M ⊙) in the initial mass function must be considerably greater.

Evolutionary effects on integrated parameters and their dependences have been discussed. An attempt at an evolutionary interpretation of the integrated luminosity function for galactic clusters, obtained by Starikova (1962) in the light of the self-obtained dependences has been made.

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Authors and Affiliations

  1. Dept. of Astronomy, Bulgarian Academy of Science, Sofia, Bulgary

    N. M. Spassova & P. V. Baev

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  1. N. M. Spassova
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  2. P. V. Baev
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Spassova, N.M., Baev, P.V. Integrated magnitudes and colors of open clusters. Astrophys Space Sci 112, 111–123 (1985). https://doi.org/10.1007/BF00668413

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  • DOI: https://doi.org/10.1007/BF00668413

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