Luminosity function of galaxies in rich and poor galaxy clusters

Details Luminosity function of galaxies in rich and poor galaxy clusters Luminosity function of galaxies in rich and poor galaxy clusters

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009an....330..946k&link_type=abstract

Astronomische Nachrichten, Vol.330, Issue , p.946

Astronomy and Astrophysics

Astronomy

Galaxies: Clusters: General, Galaxies: Luminosity Function, Mass Function

Scientific paper

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 α is steeper in poor clusters than in rich clusters. Moreover, the value of characteristic magnitude M* decreasing with richness class R.

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