Maximum Likelihood Weak Lensing Mass Reconstruction of the Deep LensSurvey F2 Field

Details Maximum Likelihood Weak Lensing Mass Reconstruction of the Deep LensSurvey F2 Field Maximum Likelihood Weak Lensing Mass Reconstruction of the Deep LensSurvey F2 Field

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...21116005k&link_type=abstract

American Astronomical Society, AAS Meeting #211, #160.05

Astronomy and Astrophysics

Astronomy

Scientific paper

We present a regularized maximum likelihood weak lensing reconstruction of the Deep Lens Survey F2 Field. Unlike traditional ``direct'' methods of mass reconstruction, this method has the advantage of adding additional information in the field (such as magnification or strong lensing) to potentially break the mass sheet degeneracy. Maximum likelihood weak lensing reconstructions have previously only been used to study a small number of individual clusters. Here we use this method to reconstruct the mass distribution over a randomly selected wide area field (four square degrees). From our reconstruction we present properties of confirmed shear selected clusters in this DLS field, as well as the statistical properties of candidates systems.

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