Volume 390, Number 3, August II 2002
|Page(s)||817 - 820|
|Published online||14 August 2002|
Deprojection of luminosity functions of galaxies in the Coma cluster
Kapteyn Astronomical Institute, PO Box 800, 9700 AV Groningen, The Netherlands
Corresponding author: M. Beijersbergen, email@example.com
Accepted: 15 May 2002
We use a simple analytic model to deproject 2-d luminosity functions (LF) of galaxies in the Coma cluster measured by Beijersbergen et al. [CITE]. We demonstrate that the shapes of the LFs change after deprojection. It is therefore essential to correct LFs for projection effects. The deprojected LFs of the central area have best-fitting Schechter parameters of and , and and and . The corrections are not significant enough to change the previously observed trend of increasing faint end slopes with increasing distance to the cluster center. The weighted U, B, and r band slopes of the deprojected LFs show a slightly weaker steepening with increasing projected cluster radius.
Key words: galaxies: clusters: individual: Coma (A1656) / galaxies: luminosity function / galaxies: evolution / galaxies: formation
© ESO, 2002
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