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astro-ph2004
Galaxy Groups Associated with Gravitational Lenses and H_0 from B1608+656
Chris Fassnacht, Lori Lubin, John McKean +6
Compact groups of galaxies recently have been discovered in association with several strong gravitational lens systems. These groups provide additional convergence to the lensing p…
astro-ph2004
X-Ray Observations of the Most Massive DLS Shear-Selected Galaxy Clusters
John P. Hughes, Ian Dell'Antonio, Joseph Hennawi +7
We report on preliminary results of our X-ray survey of the most massive clusters currently identified from the Deep Lens Survey (DLS). The DLS cluster sample is selected based on…