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Luminosity function of galaxies in rich and poor galaxy clusters

✍ Scribed by J. Krywult

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
65 KB
Volume
330
Category
Article
ISSN
0004-6337

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✦ Synopsis

Abstract

Using photometric data from SDSS survey we study the galaxy luminosity function in the 75 rich and poor Abell clusters. The integrated Schechter functions were fitted to unbinned data in the four g, r, i, and z photometric passbands. We find that the luminosity function differs with Abell richness class (R). In all bands the faint‐end slope Ξ± is steeper in poor clusters than in rich clusters. Moreover, the value of characteristic magnitude M * decreasing with richness class R (Β© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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