The 2dF galaxy redshift survey: The blue galaxy fraction and implications for the Butcher-Oemler effect

The 2dF galaxy redshift survey: The blue galaxy fraction and implications for the Butcher-Oemler effect

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We derive the fraction of blue galaxies in a sample of clusters at z < 0.11 and the general field at the same redshift. The value of the blue fraction is observed to depend on the luminosity limit adopted, cluster-centric radius and, more generally, local galaxy density, but it does not depen...

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Autors principals: De Propris, R, Colless, M, Peacock, J, Couch, W, Driver, S, Balogh, M, Baldry, I, Baugh, C, Bland-Hawthorn, J, Bridges, T, Cannon, R, Cole, S, Collins, C, Cross, N, Dalton, G, Efstathiou, G, Ellis, R, Frenk, C, Glazebrook, K, Hawkins, E, Jackson, C, Lahav, O, Lewis, I, Lumsden, S, Maddox, S
Format: Journal article
Idioma:English
Publicat: 2004

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