Astrophysics and Space Science

, Volume 157, Issue 1–2, pp 75–78 | Cite as

The determination of a complete sample of open clusters to compare with star clusters in other galaxies

  • P. Battinelli
  • R. Capuzzo-Dolcetta
Population Synthesis

Abstract

In order to compare star cluster systems in galaxies, and consequently to obtain information on their different modalities of birth and evolution, a homogeneous and complete sample of galactic open clusters is obtained from Lynga's (1983)Catalogue of Open Clusters. This sample consists of 94 open clusters whose projected (onto the galactic plane) distance from the Sun and whose absoluteV-magnitude are smaller than 2 kpc and −4.5 mag, respectively. The completeness of the sample is based only on the usual hypothesis of a uniform projected distribution of the clusters in the solar neighbourhood. Some results concerning the distribution of relevant photometric and structural parameters are presented and discussed.

Keywords

Open Cluster Complete Sample Cluster System Galactic Plane Star Cluster 

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References

  1. Battinelli, P. and Capuzzo-Dolcetta, R.: 1989,Astrophys. J. (in press).Google Scholar
  2. Janes, K. and Adler, D.: 1982,Astrophys. J. Suppl. 49, 425.Google Scholar
  3. Lynga, G.: 1983,Catalogue of Open Cluster Data, 3rd ed., Stellar Data Centre, Observatoire de Strasbourg, France.Google Scholar
  4. Pandey, A. K. and Mahra, H. S.: 1986,Astrophys. Space Sci. 126, 167.Google Scholar

Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • P. Battinelli
    • 1
  • R. Capuzzo-Dolcetta
    • 2
  1. 1.Observatory of RomaItaly
  2. 2.Institute of AstronomyUniversity of Roma ‘La Sapienza’Italy

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