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The Nature of the Energy Source in Radio Galaxies and Active Galactic Nuclei
Extragalactic Radio Sources
THE ENERGY REQUIREMENTS For more than 20 years it has been known that extragalactic radio sources contain up to 10 60 -10 62 ergs in the form of relativistic electrons and magnetic fields. One arrives at these figures if one assumes that the radio emission is due to the synchrotron process and the source contains an equal amount of energy in electrons and fields (Burbidge 1956). Any deviation from the postulated equipartition increases the energy required to account for the obserVeddoi:10.1007/978-94-009-7781-5_70 fatcat:h7q5ixo7hfdtbhebyyb6kkkd4a