Interpreting the clustering of radio sources |
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Authors: | Catherine M Cress & Marc Kamionkowski |
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Institution: | Department of Astronomy, Columbia University, 538 West 120th Street, New York, NY 10027, USA,;Department of Physics, Columiba University, 538 West 120th Street, New York, NY 10027, USA |
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Abstract: | We develop the formalism required to interpret, within a CDM framework, the angular clustering of sources in a deep radio survey. The effect of non-linear evolution of density perturbations is discussed, as is the effect of the assumed redshift distribution of sources. We also investigate what redshift ranges contribute to the clustering signal at different angular scales. Application of the formalism is focused on the clustering detected in the FIRST survey, but measurements made for other radio surveys are also investigated. We comment on the implications for the evolution of clustering. |
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Keywords: | galaxies: clusters: general cosmology: theory dark matter large-scale structure of Universe |
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