T in K	cross sect.	error limit
	at 468.3 nm

295	2.52e-18	5.30e-19
400	7.63e-19	1.78e-19
500	4.06e-19	8.70e-20
600	2.93e-19	7.60e-20
700	2.28e-19	5.50e-20
800	2.09e-19	5.80e-20