T in K cross sect. at 244 nm 1500 2.41e-21 1600 3.92e-21 1700 6.00e-21 1800 8.73e-21 1900 1.22e-20 2000 1.64e-20 2100 2.13e-20 2200 2.71e-20 2300 3.36e-20 2400 4.09e-20 2500 4.88e-20 2600 5.73e-20 2700 6.65e-20 2800 7.61e-20 2900 8.61e-20 3000 9.64e-20 3100 1.07e-19 3200 1.18e-19 3300 1.29e-19 3400 1.40e-19 3500 1.51e-19 3600 1.62e-19 3700 1.72e-19 3800 1.83e-19 3900 1.93e-19 4000 2.04e-19 4100 2.13e-19 4200 2.23e-19 4300 2.32e-19 4400 2.41e-19 4000 2.04e-19 4500 2.49e-19