A Weak Lensing Analysis of Moderate Redshift Strong Lenses

Details A Weak Lensing Analysis of Moderate Redshift Strong Lenses A Weak Lensing Analysis of Moderate Redshift Strong Lenses

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21347803l&link_type=abstract

American Astronomical Society, AAS Meeting #213, #478.03; Bulletin of the American Astronomical Society, Vol. 41, p.445

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We present a weak lensing analysis of a sample of strong lenses at moderate redshift (z = 0.6), using archival data obtained from the Hubble Space Telescope. In particular, we study the shape of the average mass density profile of the lenses, looking for evidence of truncation, or of the so called "bulge-halo conspiracy" in which the baryonic and dark matter components of the galaxy interact in such a way to create an overall mass profile that appears to be isothermal. Additionally, we compare our results to a previous study using low redshift SLACS lenses, in an attempt to understand how galaxy mass profiles evolve over time.

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