Volume 407, Number 3, September I 2003
|Page(s)||823 - 843|
|Section||Cosmology (including clusters of galaxies)|
|Published online||17 November 2003|
The Luminosity Function of cluster galaxies. III.
INAF - Osservatorio Astronomico di Brera, Via Bianchi 46, 23807 Merate (LC), Italy
2 Università degli Studi di Milano-Bicocca, Piazza dell'Ateneo Nuovo 1, 20126 Milano, Italy
Corresponding author: I. Parolin, email@example.com
Accepted: 9 June 2003
We investigated the optical properties of 7 clusters of galaxies observed in three colors over the range of absolute magnitudes . Our aim is to estimate the Luminosity Function and the total cluster luminosity of our sample in order to have information about the formation and the evolution of galaxies in clusters. In this paper, we present the main points of our analysis and give the formal parameters obtained by fitting the data using the maximum likelihood algorithm. We find consistency between our results and other works in literature confirming the bimodal nature of the luminosity function of cluster galaxies. More important, we find that the relation versus is color dependent: Low X ray Luminosity clusters have a bluer galaxy population.
Key words: galaxies: luminosity, mass function / galaxies: clusters: general
© ESO, 2003
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