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Table 3.

Injection and spectral indices.

Object FR typea αinj α 58 144 Mathematical equation: $ \alpha_{58}^{144} $ α 58 144 Mathematical equation: $ \alpha_{58}^{144} $
Hotspot Lobe
3C 192 II 0.70 ± 0.03 0.88 0.90 − 0.95
3C 223 II 0.46 ± 0.06 0.5 0.65 − 0.75
3C 236 II 0.57 ± 0.21 0.8 0.70 − 1.10
3C 264 I 0.51 ± 0.26 0.60 − 0.80
3C 284 II 0.84 ± 0.04 0.79 0.95 − 1.05
3C 296 I 0.43 ± 0.02 0.55 − 0.60
3C 31 I 0.38 ± 0.17 0.60 − 1.10
3C 310 I 0.60 ± 0.05 0.80 − 0.95
3C 326 II 0.60 ± 0.20 0.49 0.80 − 1.00
3C 33 II 0.53 ± 0.10 0.60 − 1.10
3C 382 II 0.69 ± 0.04 0.9 0.85 − 0.95
3C 442A II 0.46 ± 0.09 0.75 0.50 − 0.80
3C 449 I 0.47 ± 0.18 0.50 − 1.00
3C 452 II 0.68 ± 0.02 0.75 0.85 − 1.00
3C 457 II 0.78 ± 0.09 0.80 0.90 − 1.40
3C 46 II 0.84 ± 0.02 0.80 0.85 − 0.95
3C 465 I 0.49 ± 0.10 0.65 − 1.15
3C 76.1 I 0.67 ± 0.13 0.85
3C 98 II 0.72 ± 0.06 0.61 0.70 − 1.05
4C 12.03 II 0.68 ± 0.07 0.81 0.95 − 1.05
NGC 6109 I 0.54 ± 0.21 0.70 − 1.00
NGC 7385 I 0.45 ± 0.10 0.80 − 1.50

Notes. Fitted injection indices of the sub-sample of extended radio galaxies. Uncertainties are obtained from the RMSD mentioned in Section 3.4.

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