wavel.	cross sect.	uncertainty

290	2.27e-24	1.8e-25
295	1.06e-24	5.0e-26
300	8.71e-25	3.3e-26
305	6.85e-25	1.3e-26
310	5.58e-25	7.9e-26
315	2.19e-25	1.1e-25
320	1.62e-24	3.0e-26
325	1.40e-24	3.0e-26
330	2.94e-24	1.1e-25
335	5.89e-25	3.7e-26
340	2.49e-25	4.5e-26
345	4.80e-25	6.9e-26
350	2.13e-25	2.2e-26