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X-ray Measurements of the Shapes of Clusters and Galaxies
Claude R. Canizares, David A. Buote
We summarize a series of papers reporting studies of the ellipticities of X-ray images of five Abell clusters and two early type galaxies to learn about the shape of the gravitatio…
Sensitivity of Galaxy Cluster Morphologies to Omega_0 and P(k)
David A. Buote, Guohong Xu
We examine the sensitivity of the spatial morphologies of galaxy clusters to Omega_0 and P(k) using high-resolution N-body simulations with large dynamic range. Variants of the sta…
The Nature of the X-Ray Emission and the Mass Distributions in Two Early-Type Galaxies
David A. Buote, Claude R. Canizares
We present spectral analysis of observations of the early-type galaxies NGC 720 (E4) and NGC 1332 (E7/S0) with emphasis on constraining the relative contribution to the X-ra…
The Twisting X-ray Isophotes of the Elliptical Galaxy NGC 720
David A. Buote, Claude R. Canizares
We present spatial analysis of the deep (57ks) ROSAT HRI X-ray image of the E4 galaxy NGC 720. The orientation of the HRI surface brightness is consistent with the optical position…