T i K cross sect. at 248 nm 373 3.30e-19 423 5.31e-19 473 7.32e-19 523 1.26e-18 573 1.63e-18 623 1.98e-18 673 2.85e-18 723 3.73e-18 773 4.98e-18 823 4.88e-18 873 6.76e-18