Crab
Vela
Mass ( M ⊙ )
1.4
1.8
Age (kyr)
1.24
11.3
B (1012 G)
4.875
4.35
Ω ( s − 1 )
200
70
Δ Ω g / Ω
4 × 10−9
2.338 × 10−6
Δ t g ( yr )
1.6
2.5