On the origin of the X-ray emission from a narrow-line radioquasar at z > 1 X


We present new XM M − N ewton X-ray observations of the z = 1.246 narrow-line radioquasar RX J1011.2+5545 serendipitously discovered by ROSAT. The flat X-ray spectrum previously measured by ROSAT and ASCA is shown to be the result of a steep Γ ∼ 1.8 power law spectrum seen through a moderate intrinsic absorbing column (N H ∼ 4 × 10 21 cm −2). The position… (More)

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