Testing the jet-accretion connection with radio powerful Low Excitation Galaxies

Computer Science

Scientific paper

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Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, 3C 460

Scientific paper

We propose to observe 6 FRII LEG,never pointed by XMM. The observation of these sources will allow us to complete the X-ray nuclear survey of all the LEGs belonging to the 3CR sample with redshift z<0.3. The required time is 45 ks for each LEG. LEGs classified as FRII, share the same radio properties of FRII HEG, host similar massive black holes but are less bright in the [OIII] line by a factor of 10. Our goal is to verify whether the LEGs are a FRII class apart characterized by an inefficient accretion or radio galaxies with high Edd ratio (i.e. HEGs), seen through a thicker screen. Discriminating between these interpretations is fundamental.

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