The Faint End of the Luminosity Function in Abell 426 and 539

Details The Faint End of the Luminosity Function in Abell 426 and 539 The Faint End of the Luminosity Function in Abell 426 and 539

1998-05-21

arxiv.org/abs/astro-ph/9805281v1

Astronomy and Astrophysics

Astrophysics

17 pages, 10 figures, 2 available from author 1 on request

Scientific paper

10.1086/300479

We derive $I$ band luminosity functions for galaxies in Abell 426 (Perseus and Abell 539, two rich, low galactic latitude clusters at moderate redshift. Cluster members are selected via the color-magnitude relation for bright galaxies. We find $\alpha=-1.56 \pm 0.07$ for Perseus over the range $-19.4 < M_I < -13.4$ ($15 < I < 21$) and $\alpha=-1.42 \pm 0.14$ for $-18.5 < M_I < -14$ ($17 < I < 21.5$) for A539. These LF's are similar to those derived in Virgo and Fornax, weakly supporting claims for the existence of a universal luminosity function for galaxies in clusters.

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