The Shapes and Sizes of Elliptical Galaxy Halos from X-Ray Observations
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We review the theory of how the shapes of the X-ray isophotes probe both the shape and radial distribution of gravitating matter in elliptical galaxies in a way that is more robust than the traditional spherical approach. We summarize and update the previous analyses of X-ray observations of NGC 720 and NGC 1332 and describe preliminary results for NGC 3923.
10 pages (5 figures). To appear in the proceedings of the UC Santa Cruz Workshop on Galactic Halos, ed. D. Zaritsky, held at UCSC 11-15 August 1997
10 pages (5 figures). To appear in the proceedings of the UC Santa Cruz Workshop on Galactic Halos, ed. D. Zaritsky, held at UCSC 11-15 August 1997