model
values
χ 2
Fit by a power law
α f i t = 0.828 ; C = 0.015
43
Newtonian viscosity
r 0 = 3.0 × 10 − 3 pc ; v 0 = 13800 km / s
45.59
B evaluation
v 0 = 2.39 × 10 − 2 pc / yr , v 1 = 8.6 × 10 − 3 pc / yr
t 0 = 2.6 × 10 − 2 yr , t 1 = 10.58 × 10 − 2 yr
B = 7.082 pc − 1