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Table 5.

Global thermal fractions and spectral indices.

NGC 891 NGC 4565
fth, 1.5 GHz [%] 7.2 ± 3.1 10.6 ± 4.9
fth, 6 GHz [%] 18.4 ± 8.0 32.9 ± 15.8
αtot, 1.5 − 6 GHz −0.80 ± 0.02 −0.93 ± 0.02
αnth, 1.5 − 6 GHz −0.90 ± 0.13 −1.14 ± 0.25

Notes. See text for details on the separation of the thermal and non-thermal emission.

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