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Table 1

Electric potential drop, total electric current associated to the Alfvén wing.

Name U (V) I (A) ĖJmax (W) Δa/year (m) Δe/year (m5/2   s -1)

PSR 1257+12 a 1.1 × 1012 3.0 × 109 2.5 × 1021 0.02 0 3.06 × 106
PSR 1257+12 b 3.5 × 1012 9.4 × 109 2.5 × 1022 1. × 10-3 3 × 10-16 5.11 × 105
PSR 1257+12 c 2.6 × 1012 7.0 × 109 1.4 × 1022 1. × 10-3 2.4 × 10-16 5.28 × 105

PSR 1620-26 a 6.0 × 1011 1.5 × 109 7 × 1020 3. × 10-6 0 6.34 × 105

PSR 10 ms b 100 km 2.4 × 109 6. × 106 1.2 × 1016 8. × 10-3 6. × 10-14 9.94 × 105
PSR 10 ms b 1 km 2.4 × 107 6. × 104 1.2 × 1012 0.8 6. × 10-12 9.94 × 107

PSR 1 s b 100 km 2.4 × 1011 6 × 108 1.2 × 1020 8 × 104 6.4 × 10-8 9.94 × 1011
PSR 1 s b 1 km 2.4 × 109 6. × 106 1.2 × 1016 8. × 105 6. × 10-6 9.94 × 1013

Notes. Electrical energy ĖJmax dissipated in the Alfvén wing. Variation per (terrestrial) year of the semi-major axis estimated from Eq. (23). Variation of the eccentricity, per year, Δe/year, estimated from Eq. (24).

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