T in K	cross sect.	error limit
	at 662 nm	

298	2.30e-17	4.00e-19
308	2.16e-17	4.00e-19
318	1.98e-17	4.00e-19
333	1.96e-17	4.00e-19
353	1.68e-17	4.00e-19
373	1.60e-17	4.00e-19
388	1.55e-17	4.00e-19