T(K) cross sect. at 174 nm 840 9.32e-19 900 9.97e-19 950 1.05e-18 1000 1.11e-18 1050 1.17e-18 1100 1.23e-18 1150 1.28e-18 1200 1.34e-18 1250 1.40e-18 1300 1.46e-18 1350 1.52e-18 1400 1.58e-18 1450 1.64e-18 1500 1.70e-18 1550 1.75e-18 1600 1.81e-18 1650 1.86e-18 1700 1.91e-18 1750 1.96e-18 1800 2.01e-18 1850 2.05e-18 1900 2.09e-18 1950 2.13e-18 2000 2.17e-18 2050 2.20e-18 2100 2.23e-18 2150 2.25e-18 2200 2.27e-18 2250 2.29e-18