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2002MNRAS.330..755F - Mon. Not. R. Astron. Soc., 330, 755-767 (2002/March-1)
Galaxy colours in high-redshift, X-ray-selected clusters - I. Blue galaxy fractions in eight clusters.
FAIRLEY B.W., JONES L.R., WAKE D.A., COLLINS C.A., BURKE D.J., NICHOL R.C. and ROMER A.K.
Abstract (from CDS):
While the increasing blue fraction with radius can be interpreted as evidence of cluster infall of field galaxies, the exact physical processes which these galaxies undergo is unclear. We estimate that, in the cores of the more massive clusters, galaxies should be experiencing ram-pressure stripping of galactic gas by the intracluster medium. The fact that our low X-ray luminosity systems show a similar blue fraction as the high-luminosity systems, as well as a significant blue fraction gradient with radius, implies other physical effects are also important.
Abstract Copyright: 2002 Blackwell Science Ltd
Journal keyword(s): galaxies: clusters: general - galaxies: elliptical and lenticular, cD - galaxies: evolution - galaxies: fundamental parameters - galaxies: spiral
Simbad objects: 12
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