Journal
ASTRONOMY & ASTROPHYSICS
Volume 393, Issue 2, Pages 439-444Publisher
E D P SCIENCES
DOI: 10.1051/0004-6361:20021077
Keywords
galaxies : clusters : individual : Abell 496; galaxies : luminosity function, mass function
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We have derived the galaxy luminosity function (GLF) in the cluster of galaxies Abell 496 from a wide field image in the I band. A single Schechter function reproduces quite well the GLF in the 17 less than or equal to I-AB less than or equal to 22 (-19.5 less than or equal to M-1 less than or equal to 14.5) magnitude interval, and the power law index of this function is found to be somewhat steeper in the outer regions than in the inner regions. This result agrees with the idea that faint galaxies are more abundant in the outer regions of clusters, while in the denser inner regions they have partly been accreted by larger galaxies or have been dimmed or even disrupted by tidal interactions.
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