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Table 1.

Wind parameters at r = 1 AU on the field line at 24° latitude of Fig. 1. Here, μ0 is the permeability of vacuum.

Magnetic field strength B 0.89 nT
Wind speed usw 418 km/s
Sound speed c s = ( 5 3 p / ϱ ) 1 / 2 $ c_{\mathrm{s}}=(\tfrac{5}{3}p/\varrho)^{1/2} $ 48.2 km/s
Alfvén speed cA = (B2/μ0𝜚)1/2 71.9 km/s
Plasma beta β = p 2μ0/B2 0.54
Magnetic field scale length |LB| 0.93 AU

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