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Mass and Hot Baryons in Massive Galaxy Clusters from Subaru Weak Lensing and AMiBA SZE Observations
Keiichi Umetsu, Mark Birkinshaw, Guo-Chin Liu +30
We present a multiwavelength analysis of a sample of four hot (T_X>8keV) X-ray galaxy clusters (A1689, A2261, A2142, and A2390) using joint AMiBA Sunyaev-Zel'dovich effect (SZE) an…
Comparison of Cluster Lensing Profiles with Lambda CDM Predictions
Tom Broadhurst, Keiichi Umetsu, Elinor Medezinski +2
We derive lens distortion and magnification profiles of four well known clusters observed with Subaru. Each cluster is very well fitted by the general form predicted for Cold Dark…
Using Weak Lensing Dilution to Improve Measurements of the Luminous and Dark Matter in A1689
Elinor Medezinski, Tom Broadhurst, Keiichi Umetsu +6
The E/SO sequence of a cluster defines a boundary redward of which a reliable weak lensing signal can be obtained from background galaxies, uncontaminated by cluster members. For b…