T in K cross sect. at 266 nm 1500 4.10e-22 1600 7.59e-22 1700 1.30e-21 1800 2.10e-21 1900 3.20e-21 2000 4.67e-21 2100 6.55e-21 2200 8.89e-21 2300 1.17e-20 2400 1.50e-20 2500 1.89e-20 2600 2.32e-20 2700 2.81e-20 2800 3.34e-20 2900 3.92e-20 3000 4.54e-20 3100 5.20e-20 3200 5.90e-20 3300 6.62e-20 3400 7.37e-20 3500 8.13e-20 3600 8.91e-20 3700 9.70e-20 3800 1.05e-19 3900 1.13e-19 4000 1.21e-19 4100 1.29e-19 4200 1.37e-19 4300 1.44e-19 4400 1.52e-19 4000 1.21e-19 4500 1.59e-19