X-Ray Measurement of Particle and Field Energy Distributions in Lobes of Radio Galaxies Naoki Isobe (isobe@oasis.tksc.jaxa.jp) Detection of Inverse Compton.

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X-Ray Measurement of Particle and Field Energy Distributions in Lobes of Radio Galaxies Naoki Isobe (isobe@oasis.tksc.jaxa.jp) Detection of Inverse Compton X-ray emission from lobes of 8 radio galaxies 　　　　　　　　　　　　　　　　　　　　　　 with ASCA, Chandra, and XMM-Newton. Fornax A with ASCA 3C 452 with Chandra 3C 452 with Newton Color : X-ray , Contour : Radio Determination of energy densities of electrons (ue) and magnetic field (um), and their spatial distributions, by comparing the X-ray and radio fluxes. Typically ue > 10 um ue : relatively uniform um : becomes stronger toward the lobe periphery ~ Total electron energy ue V ∝ LX Total magnetic energy um V : independent LX : X-ray luminosity of the nucleus

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