T(K) cross sect. at 174 nm 875 1.81e-18 900 1.82e-18 950 1.82e-18 1000 1.82e-18 1050 1.83e-18 1100 1.83e-18 1150 1.84e-18 1200 1.84e-18 1250 1.85e-18 1300 1.85e-18 1350 1.86e-18 1400 1.86e-18 1450 1.87e-18 1500 1.87e-18 1550 1.87e-18 1600 1.88e-18 1650 1.88e-18 1700 1.89e-18 1750 1.89e-18 1800 1.90e-18 1850 1.90e-18 1900 1.91e-18 1950 1.91e-18 2000 1.92e-18