wavel.	cross section	error limit

240	2.60e-17	4.0e-18
241	2.70e-17	4.0e-18
242	2.70e-17	4.0e-18
243	2.80e-17	4.0e-18
244	2.80e-17	4.0e-18
245	2.80e-17	4.0e-18
246	2.60e-17	4.0e-18
247	2.40e-17	4.0e-18
248	2.50e-17	4.0e-18
249	2.40e-17	4.0e-18
250	2.20e-17	3.0e-18
251	1.95e-17	3.5e-18
252	2.05e-17	3.5e-18
253	2.02e-17	2.5e-18
254	1.33e-17	1.5e-18
255	8.0e-18		8.0e-19
256	5.1e-18		6.0e-19
257	3.5e-18		4.0e-19
258	2.5e-18		3.0e-19
259	1.8e-18		2.0e-19
260	1.4e-18		2.0e-19
261	1.2e-18		2.0e-19
262	1.1e-18		2.0e-19
263	1.0e-18		2.0e-19
264	1.0e-18		2.0e-19
265	1.0e-18		1.0e-19
266	1.0e-18		1.0e-19
267	1.0e-18		1.0e-19
268	1.1e-18		2.0e-19
269	1.2e-18		2.0e-19
270	1.3e-18		2.0e-19
271	1.4e-18		2.0e-19
272	1.5e-18		2.0e-19
273	1.6e-18		2.0e-19
274	1.7e-18		3.0e-19
275	1.8e-18		3.0e-19
276	1.9e-18		3.0e-19
277	2.0e-18		4.0e-19
278	2.2e-18		4.0e-19
279	2.3e-18		4.0e-19
280	2.5e-18		4.0e-19
281	2.6e-18		5.0e-19
282	2.8e-18		5.0e-19
283	2.9e-18		5.0e-19
284	3.0e-18		6.0e-19
285	3.2e-18		6.0e-19
286	3.3e-18		6.0e-19
287	3.4e-18		7.0e-19
288	3.5e-18		6.0e-19
289	3.7e-18		7.0e-19
290	3.7e-18		7.0e-19
291	3.8e-18		7.0e-19
292	3.8e-18		7.0e-19
293	3.9e-18		7.0e-19
294	3.9e-18		7.0e-19
295	3.8e-18		7.0e-19
296	3.6e-18		7.0e-19
297	3.4e-18		6.0e-19
298	3.4e-18		6.0e-19
299	3.4e-18		6.0e-19
300	3.2e-18		6.0e-19
301	3.2e-18		6.0e-19
302	3.0e-18		6.0e-19
303	2.7e-18		5.0e-19
304	2.7e-18		5.0e-19
305	2.6e-18		5.0e-19
306	2.1e-18		4.0e-19
307	1.5e-18		3.0e-19
308	1.1e-18		2.0e-19
309	8.0e-19		2.0e-19
310	6.0e-19		1.0e-19
311	5.0e-19		1.0e-19
312	3.0e-19		5.0e-20
313	3.0e-19		6.0e-20
314	2.0e-19		6.0e-20
315	1.0e-19		3.0e-20
316	1.5e-19		2.0e-20
317	1.3e-19		2.0e-20
318	1.1e-19		2.0e-20
319	1.0e-19		1.0e-20
320	9.0e-20		2.0e-20