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Probing the Relation Between X-ray-Derived and Weak-Lensing-Derived Masses for Shear-Selected Galaxy Clusters: I. A781
Neelima Sehgal, John P. Hughes, David Wittman +4
We compare X-ray and weak-lensing masses for four galaxy clusters that comprise the top-ranked shear-selected cluster system in the Deep Lens Survey. The weak-lensing observations…
Microwave-Sky Simulations and Projections for Galaxy Cluster Detection with the Atacama Cosmology Telescope
Neelima Sehgal, Hy Trac, Kevin Huffenberger +1
We study the ability of three-frequency, arcminute-resolution microwave measurements to detect galaxy clusters via their Sunyaev-Zel'dovich (SZ) distortion of the microwave backgro…
Constrained Cluster Parameters from Sunyaev-Zel'dovich Observations
Neelima Sehgal, Arthur Kosowsky, Gilbert Holder
Near-future SZ surveys such as ACT, SPT, APEX, and Planck will find thousands of galaxy clusters. Multi-frequency arcminute-resolution SZ observations can, in principle, determine…