T(K) cross sect. uncertainty at 308 nm ---------------------------------- 298 2.04e-20 366 2.50e-20 2.5e-21 413 3.20e-20 463 3.29e-20 515 4.01e-20 565 4.62e-20 618 4.59e-20 668 5.01e-20 720 5.52e-20 772 5.74e-20 3.2e-21 821 6.06e-20 874 6.57e-20