Titlebook: Extragalactic Radio Sources; David S. Heeschen,Campbell M. Wade Book 1982 International Astronomical Union 1982 BL Lac object.Galaxy.Quasa

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Time Dependent Energy Supply in Radio Sources and Morphology of Radio Lobes,d in detail (1) that the energy supply by the nuclear engine to the lobes is strongly time-dependent. Time dependent ejection from the nucleus of a parent galaxy produces low density channels which are ploughed in the background medium by the passage of intermittently ejected radio emitting plasmons

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Multi-Frequency Polarization Studies of Radio Galaxies,km telescopes; together with the 6C survey and a new instrument now being commisioned at 151 MHz, we have a frequency range of 100:1 available for high-resolution mapping. The 6C survey has resulted in the discovery of a number of giant radio galaxies, most notably NGC 6251. At 151 MHz, the beautifu

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