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Bright Stars in Five LMC Star Clusters

Published online by Cambridge University Press:  04 August 2017

E. Kontizas ,
E. Xiradaki  and
M. Kontizas
E. Kontizas
Affiliation:
* National Observatory
E. Xiradaki
Affiliation:
** University of Athens
M. Kontizas
Affiliation:
** University of Athens

Extract

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The bright stars of five LMC clusters were classified for deriving the distribution of various spectral types. The studied clusters are very young (NGC 2093) young (NGC 1818, NGC 2157) intermediate (NGC 1831) and old (NGC 1806) (Van den Bergh 1981). The spectral classification of the stars was carried out using film copies of the 1.2 m Schmidt telescope objective prism plates. Medium dispersion (830 Å at Hγ) unwidened YJ and widened UJ and low dispersion (2440 Å at Hγ) UJ were examined by means of a binocular microscope. Details of the criteria used for the classification are described by Kontizas et al (1985).

Type
Poster Papers 3
Information
Symposium - International Astronomical Union , Volume 116: Luminous Stars and Associations in Galaxies , 1986 , pp. 417 - 418
Copyright
Copyright © Reidel 1986 

References

Kontizas, E., Dapergolas, A., Kontizas, M. 1985 (in preparation).Google Scholar
Van den Bergh, S.: 1981, Astron. Astrophys. Suppl. 46, 78.Google Scholar