The range of V - R colors for a cluster of E and S0 galaxies as a function of redshift

Details The range of V - R colors for a cluster of E and S0 galaxies as a function of redshift The range of V - R colors for a cluster of E and S0 galaxies as a function of redshift

Jul 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...239l...1d&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 239, July 1, 1980, p. L1-L3.

Astronomy and Astrophysics

Astrophysics

17

Astronomical Photometry, Galactic Clusters, Red Shift, Spectral Energy Distribution, Spectrum Analysis, Galactic Evolution, Ultraviolet Spectra

Scientific paper

The expected (V - R) color distribution for a centrally condensed, relaxed cluster of E and S0 galaxies has been calculated as a function of redshift. Because of the differences in the ultraviolet spectra of E and S0 galaxies, which are correlated with absolute magnitude, the spread in (V - R) colors for such a cluster becomes increasingly wide for increasing redshift. This effect becomes pronounced for redshifts of 0.4 and beyond. Thus evidence for the color evolution of cluster galaxies will be seen as an additional broadening of the color distribution.

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