In-situ particle acceleration in extragalactic radio hot spots: observations meet expectations
We discuss, in terms of particle acceleration, the results from optical VLT observations of hot spots associated with radio galaxies. On the basis of observational and theoretical grounds, the following is shown. (i) Relatively low radio-radio power hot spots are the optimum candidates for being detected at optical waves. This is supported by an
Brunetti, G. et al.
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2003