Environmental effects on galaxy luminosity functions: the cluster Abell 496

被引：0
|
作者：
F. Durret
C. Adami
C. Lobo
机构：
[1] IAP,
[2] LAM,undefined
[3] Traverse du Siphon,undefined
[4] CAUP,undefined
[5] DMA/FCUP,undefined
来源：
Astrophysics and Space Science | 2003年 / 285卷
关键词：
Galaxy luminosity functions;
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学科分类号：
摘要：
We have derived the galaxy luminosity function in various regions of the cluster of galaxies Abell 496 from a wide field image in the I band. A Schechter function fit in the 17≤ IAB ≤22(–19.5≤ MIAB ≤ –14.5) magnitude interval gives a steep power law index, which is somewhat steeper in the outer regions than in the inner zones. This result agrees with previous findings obtained by several teams on the Coma cluster and can be interpreted as due to the fact that faint galaxies are accreted by large ones in the central regions.
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页码：185 / 189
页数：4
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