Astronomy and Astrophysics – Astronomy
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...200.4007c&link_type=abstract
American Astronomical Society, 200th AAS Meeting, #40.07; Bulletin of the American Astronomical Society, Vol. 34, p.703
Astronomy and Astrophysics
Astronomy
Scientific paper
We present R-band galaxy luminosity functions (GLFs) for six nearby clusters with redshifts 3,700 km/s < cz < 20,000 km/s and velocity dispersions 700 km/s < σ < 1,250 km/s. In the case of the nearest cluster, our sample extends to MR=-14 (7 magnitudes below M*), making this the deepest spectroscopic sample of the cluster GLF to date. We also present composite GLFs for cluster and field galaxies to MR=-15, including GLFs of subsamples of emission and non-emission line galaxies. The six cluster samples are consistent with their respective composite GLFs, indicating a considerable uniformity of the GLF in dense environments over the sampled magnitude ranges. There are significant variations in the GLF of non-emission line galaxies between the field and clusters which can be described as a steepening of the faint end slope in the range -20 < MR < -18.
Christlein Daniel
Zabludoff Ann I.
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