2 papers
astro-ph2005
XMM-Newton Observations of Evolution of Cluster X-Ray Scaling Relations at z=0.4-0.7
O. Kotov, A. Vikhlinin
We present a spatially-resolved analysis of the temperature and gas density profiles of galaxy clusters at z=0.4-0.7 observed with XMM-Newton. These data are used to derive the tot…
astro-ph2003
A Cluster of Galaxies hiding behind M31: XMM-Newton observations of RX J0046.4+4204
Oleg V. Kotov, Sergey Trudolyubov, W. Thomas Vestrand
We report on our serendipitous discovery with the XMM-Newton Observatory of a luminous X-ray emitting cluster of galaxies that is located behind the Andromeda galaxy (M31). X-ray e…