T [K]	cross sect.	error limit
	at 670.2 nm

300	8.11e-21	8.1e-22
402	5.81e-21	8.1e-22
510	6.90e-21	8.1e-22
637.3	7.08e-21	8.1e-22
773.5	7.50e-21	8.1e-22