Depletion curves of galaxy number counts behind cluster lenses

Details Depletion curves of galaxy number counts behind cluster lenses Depletion curves of galaxy number counts behind cluster lenses

1999-09-06

arxiv.org/abs/astro-ph/9909099v1

Astronomy and Astrophysics

Astrophysics

2 pages, includes 1 postscript figure, uses PASP conference proceedings substyle definition for LaTeX. Poster contribution to

Scientific paper

When the logarithmic slope of the galaxy counts is lower than 0.4 (this is the case in all filters at high magnitude), the magnification bias due to the lens makes the number density of objects decrease. Consequently, the radial distribution shows a typical depletion curve. We present simulations of depletion curves obtained for a variety of different lens models and we show how the model parameters affect the depletion area.

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