Direct Determination of Galaxy Luminosity Functions in Clusters
Direct Determination of Galaxy Luminosity Functions in Clusters
复制标题
星团中星系光度函数的直接测定
DOI:
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发表时间:
2003
期刊:
影响因子:
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通讯作者:
A. Zabludoff
中科院分区:
文献类型:
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作者:
D. Christlein;A. Zabludoff
We present R-band galaxy luminosity functions (GLFs) from aspectroscopic sample of six nearby rich galaxy clusters. In addition to individual cluster GLFs, extending to, in one case, MR=–14, we also present composite GLFs for cluster and field galaxies toMR=–17. All six cluster samples are consistent with the composite GLF, but there is evidence that the GLF of the quiescent population in clusters is not universal. Furthermore, the GLF of quiescent galaxies is significantly steeper in clusters than in the field. The overall GLF in clusters is consistent with that of field galaxies, except for the luminous tip, which is enhanced in clusters versus the field.