Internal colour gradients for E/S0 galaxies in Abell 2218

De Propris, Roberto; Colless, Matthew; Driver, Simon; Pracy, Michael B; Couch, Warrick

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Internal colour gradients for E/S0 galaxies in Abell 2218

Date

2005

Authors

De Propris, Roberto

Colless, Matthew

Driver, Simon

Pracy, Michael B

Couch, Warrick

Publisher

Blackwell Publishing Ltd

Abstract

We determine colour gradients of -0.15 ± 0.08 mag per decade in radius in F450W-F606W and -0.07 ± 0.06 mag per decade in radius in F606W-F814W for a sample of 22 E/S0 galaxies in Abell 2218. These gradients are consistent with the existence of a mild (�