T (K) 	cross sect. 	error limit
	at 282.65nm
-----------------------------------	
200	9.50e-18	1.90e-18
220	9.10e-18	1.20e-18
242	8.48e-18	7.20e-19
263	7.90e-18	9.50e-19
298	7.49e-18	4.00e-19