T in K	cross sect. 	error limit
	at 216.36 nm
-----------------------------------
296	4.14e-17	1.5e-18
407	3.48e-17	1.2e-18
474	3.08e-17	1.3e-18
513	2.85e-17	1.4e-18
539	2.69e-17	1.5e-18
577	2.47e-17	1.7e-18
700	2.15e-17	2.2e-18
810	1.95e-17	1.9e-18
906	1.91e-17	1.9e-18