A hole in the sky - The dependence of the galaxy luminosity function on the environment

Details A hole in the sky - The dependence of the galaxy luminosity function on the environment A hole in the sky - The dependence of the galaxy luminosity function on the environment

2006-11-09

arxiv.org/abs/astro-ph/0611287v1

Astronomy and Astrophysics

Astrophysics

To appear in the ASP Conference Series (Proceedings of the Cosmic Frontiers conference held in Durham, 31st July - 4th August

Scientific paper

We have developed a method to calculate overdensities in multicolour surveys, and compare the local density contrast measured in galaxy samples with different redshift error distributions. We calculated overdensities for three COMBO-17 fields, and identified a region in the CDFS, where the density is lower by a factor of 2 compared to the other two fields. This is mainly due to a deficiency of faint red galaxies. This result is in agreement with local observations in the 2dF.

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