X-ray Measurements of the Shapes of Clusters and Galaxies
Skip to main content
eScholarship
Open Access Publications from the University of California

X-ray Measurements of the Shapes of Clusters and Galaxies

  • Author(s): Canizares, Claude R
  • Buote, David A
  • et al.
Abstract

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 gravitational potential and the underlying matter distributions. For the clusters we find the dark matter is centrally concentrated with ellipticity $\epsilon_{DM} \sim 0.5$. For the galaxies we find independent evidence for extended, flattened dark matter halos. One case of a clear isophotal twist in the X-rays may indicate a triaxial halo.

Many UC-authored scholarly publications are freely available on this site because of the UC's open access policies. Let us know how this access is important for you.

Main Content
Current View