Angular correlation function

The angular correlation function is a function which measures the projected clustering of galaxies, due to discrepancies between their actual and expected distributions.[1] The function may be computed as follows: , where represents the conditional probability of finding a galaxy, denotes the solid angle, and is the mean number density. In a homogeneous universe, the angular correlation scales with a characteristic depth.[2]

References

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  1. ^ The Galaxy Angular Correlation Functions and Power Spectrum from the Two Micron All Sky Survey
  2. ^ "B. The correlation function: galaxies". Retrieved 2021-06-09.