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Table 6

Physical parameters of the dying sources. Uncertainties on fit parameters are at 1-σ level.

Source α inj ν b tOFF/ts L 151 B min u min t s t CI t OFF
MHz W/Hz μG erg/cm3 Myr Myr Myr

WNB1734+6407 2.6 × 1025 10 8.3 × 10-12 86 60 26
WNB1829+6911 7.6 × 1025 7.8 5.3 × 10-12 218
WNB1851+5707a 1.8 × 1025 9.8 8.9 × 10-12 90 72 18
B2 0120+33 Global spec. 0.6 (fixed) 1 × 1024 5.2 2.4 × 10-12 141 99 42
Sp. index profile 0.65 (fixed)  >0.8 69  <13  >55
B2 1610+29 Global spec.  >0.39 1.4 × 1024 3.2 9.3 × 10-13 55  <33  >22
Sp. index profile 0.6 (fixed) 58 12 46

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