Gas Density Perturbations in the Cool Cores of CLASH Galaxy Clusters
Top: X-ray surface brightness of the galaxy cluster MACS J1311.0-0310 taken by the Chandra X-ray Observatory (left) and its X-ray residual image after removing the mean profile (right). Bottom: X-ray surface brightness of a simulated galaxy cluster produced by our hydrodynamic simulation (left) and its X-ray residual image (right).