Inverse Compton Effect: Some Consequences for Quasars

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Science  16 Dec 1966:
Vol. 154, Issue 3755, pp. 1452-1453
DOI: 10.1126/science.154.3755.1452


The inverse Compton effect can transform enough energy of relativistic electrons into radiation so that an upper limit to the mean energy of the electrons is set. In quasars, the limit is too small to allow the production of any appreciable amount of synchrotron or inverse Compton radiation, unless either the distances are not cosmological or the lifetimes of the relativistic electrons are extremely short, of the order of hours.