2005/04/17 | 发光度函数[Luminosity Function]
类别(¤〖天文〗) | 评论(0) | 阅读(30) | 发表于 13:38
The number of galaxies in the luminosity range in a given volume is denoted . The observational approximation to the mean number of galaxies per unit volume brighter than absolute magnitude M measured by Hubble is

The function must be continuous, so

For the Coma Cluster,
0

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