T(K) cross sect. at 174 nm 1540 3.80e-18 1600 3.80e-18 1650 3.80e-18 1700 3.80e-18 1750 3.80e-18 1800 3.80e-18 1850 3.80e-18 1900 3.80e-18 1950 3.80e-18 2000 3.80e-18 2050 3.80e-18 2100 3.80e-18 2150 3.80e-18 2200 3.80e-18 2240 3.80e-18