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Applications of the UB1B2V1G Photometric System

Published online by Cambridge University Press:  14 August 2015

M. Golay
M. Golay*
Affiliation:
Observatoire de Genève, Genève, Switzerland

Abstract

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This photometric system which was described for the first time in 1963 by Golay has been in use at the Geneva Observatory since 1959. We are involved in a long term observational programme having as objective the study of cluster stars, peculiar stars and interstellar extinction. This research aims at the determination of physical parameters such as effective temperature, gravity, abundance, or those of spectral type, absolute magnitude, [Fe/H]. To permit such an analysis the photometric effects of rotation, of multiplicity and of interstellar extinction were given particular attention. Attempting to attain the above mentioned purposes, we have had to give great care to the precision of the measurements during their acquisition as also during their reduction. Finally, in view of allowing a valid comparison between observations and the theory of stellar atmospheres, particular care had to be given to the maintenance of the pass-bands and to the knowledge of their form.

We intend here to give the main bibliographical references relative to the articles which present the general properties of the system, its applications and the catalogues.

Type
Part III: Photometric Classification
Information
Symposium - International Astronomical Union , Volume 50: Spectral Classification and Multicolour Photometry , 1973 , pp. 145 - 151
Copyright
Copyright © Reidel 1973 

References

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