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astro-ph2004
XMM observations of the high-redshift quasar RXJ1028.6-0844 at z=4.276: soft X-ray spectral flattening
W. Yuan, A. C. Fabian, A. Celotti +2
We present results from a new XMM-Newton observation of the high-redshift quasar RXJ1028.6-0844 at a redshift of 4.276. The soft X-ray spectral flattening, as reported by a study w…
astro-ph2004
A Chandra observation of the disturbed cluster core of Abell 2204
J. S. Sanders, A. C. Fabian, G. B. Taylor
We present results from an observation of the luminous cluster of galaxies Abell 2204 using the Chandra X-ray Observatory. We show the core of the cluster has a complex morphologic…