The Properties and the Evolution of the Highly Ionized Gas in MR2251-178

S. Kaspi, H. Netzer, D. Chelouche +3

We present the first XMM-Newton observations of the radio-quiet quasar MR2251-178. We model the X-ray spectrum with two power laws, one at high energies with a slope of Γ=1.6 and t…