r/R c/R beta 0.15 0.2142 35.968 0.20 0.2378 32.013 0.25 0.2625 28.846 0.30 0.2872 26.167 0.35 0.3120 24.024 0.40 0.3359 22.007 0.45 0.3599 20.101 0.50 0.3779 18.550 0.55 0.3783 17.536 0.60 0.3703 16.827 0.65 0.3617 16.072 0.70 0.3543 15.231 0.75 0.3452 14.483 0.80 0.3353 13.750 0.85 0.3261 12.842 0.90 0.3149 12.067 0.95 0.2777 11.290 1.00 0.1285 5.704