wavel.	cross sect.	error limit

200	5.16e-20	1.3e-20
210	6.12e-20	5.0e-21
220	1.10e-19	3.1e-21
230	1.87e-19	1.1e-20
240	2.23e-19	1.3e-20
250	1.80e-19	1.5e-20
260	1.08e-19	2.0e-20
270	6.23e-20	1.5e-20
280	4.86e-20	1.3e-20
290	5.35e-20	9.6e-21
300	6.12e-20	7.3e-21
310	6.23e-20	5.4e-21
320	5.01e-20	4.2e-21
330	3.75e-20	1.9e-21
340	2.41e-20	9.9e-22
350	1.41e-20	9.6e-22
360	8.03e-21	8.4e-22
370	4.51e-21	4.2e-22
380	2.41e-21	4.2e-22
390	1.53e-21	4.2e-22
400	5.35e-22	4.6e-22
420	3.82e-22	4.6e-22