Increasing vinf produces a decrease in taustar and an increase in u0. The increase in u0 is about 20%, but the decrease in taustar can be from about 50% to 98% of the original value. Half of the 1910 km/s fits have lower rejection rates than the 1600 km/s fits. The 1910 km/s fits have tighter error bars, as can be seen from the contour plots.
vinf=1600
vinf=1910
O VIII: 18.9689
taustar=0.249 +/- (0.139:0.389)
u0=0.562 +/- (0.532:0.587)
norm=7.41e-4 +/- (7.12e-4:7.83e-4)

rejection probability = 96% (C=131.22; N=106)
O VIII: 18.9689
taustar=0.113 +/- (0.048:0.198)
u0=0.655 +/- (0.631:0.673)
norm=7.55e-4 +/- (7.23e-4:7.95e-4)

rejection probability = 76.5% (C=118.15; N=106)
Fe XVII: 15.014

taustar=6.36e-2 +/- (0:0.165)
u0=0.562 +/- (0.525:0.583)
norm=2.07e-4 +/- (2.0e-4:2.26e-4)

rejection probability = 57.2% (C=233.18; N=266)
Fe XVII: 15.014

taustar=1.30e-3 +/- (0:0.059)
u0=0.656 +/- (0.626:0.673)
norm=2.16e-4 +/- (2.05e-4:2.28e-4)

rejection probability = 18.5% (C=233.37; N=266)
Ne X: 12.1339

taustar=0.591 +/- (0.372:0.858)
u0=0.651 +/- (0.609:0.692)
norm=7.59e-5 +/- (7.11e-5:7.97e-5)

rejection probability = 36.40% (C=179.93; N=184)
Ne X: 12.1339

taustar=0.340 +/- (0.203:0.502)
u0=0.720 +/- (0.688:0.747)
norm=7.70e-5 +/- (7.20e-5:8.10e-5)

rejection probability = 48% (C=185.40; N=184)
O VIII: 16.006

taustar=0.195 +/- (0.014:0.507)
u0=0.506 +/- (0.435:0.565)
norm=9.67e-5 +/- (8.8e-5:10.5e-5)

rejection probability = 85.3% (C=256.69; N=364)
O VIII: 16.006

taustar=0.0672 +/- (0:0.227)
u0=0.609 +/- (0.566:0.656)
norm=1.00e-4 +/- (0.9e-4:1.08e-4)

rejection probability = 88% (C=254.71; N=364)
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