2012-08-07

galaxy concentration parameter

As much as a critic as I am of made-up statistics, Mykytyn and I spent part of the day measuring concentration parameters on our models of (angularly) large galaxies in the SDSS. We needed to do something like this because our galaxy models are not simple enough to have their radial profile described simply by any simple combination of fundamental parameters. We are working on fitting models to every galaxy—from any catalog—bigger than 2 arcminutes.

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