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The Byurakan Classification and the Colours of the Central Parts of Spiral Galaxies

Published online by Cambridge University Press:  04 August 2017

H.M. Tovmassian  and
S.A. Hakopian
H.M. Tovmassian
Affiliation:
Byurakan Astrophysical Observatory Armenia, U S S R
S.A. Hakopian
Affiliation:
Byurakan Astrophysical Observatory Armenia, U S S R

Abstract

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The statistical study of the U-B, B-V colours of the central regions of galaxies of different Byurakan classes show the presence of UV-excess emission in the nuclear regions of the majority of galaxies of types 5 and 2s.

Type
II. Ultraviolet Excess Galaxies
Information
Symposium - International Astronomical Union , Volume 121: Observational Evidences of Activity of Galaxies , 1987 , pp. 95 - 97
Copyright
Copyright © Reidel 1987 

References

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