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Table 8

Minimum frequency, νmin, as a function of γmin for the secondary (LHS1) and primary (LHS2) hotspots in the western lobe of Cygnus A.

γmin νmin (MHz) νmin (MHz)

1 1.51 × 10-3 1.27 × 10-3
10 0.11 0.10
100 7.61 7.36
1000 540.3 559.8
10 000 38.35 × 103 42.55 × 103

Notes. We used the magnetic field strengths from the 8 GHz background corrected fluxes using the best fitting spectral slope as given in Table 5.

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