wavel.	cross sect.	standaed deviation
--------------------------------------
380	4.12e-19	1.8e-20
390	4.26e-19	1.6e-20
400	4.53e-19	1.7e-20
410	4.34e-19	1.1e-20
420	4.17e-19	3.0e-20
430	4.09e-19	2.3e-20
440	3.97e-19	1.2e-20
450	3.72e-19	1.0e-20
460	3.69e-19	1.3e-20
470	3.28e-19	1.1e-20
480	3.20e-19	3.7e-22
490	2.93e-19	7.4e-22
500	2.49e-19	4.5e-21
510	2.54e-19	6.3e-21
520	2.21e-19	5.6e-21
530	2.06e-19	4.1e-21
540	1.80e-19	5.2e-21
550	1.68e-19	2.2e-21
560	1.34e-19	3.4e-21
570	1.35e-19	2.6e-21
580	1.19e-19	3.4e-21
590	1.10e-19	3.4e-21
600	9.56e-20	3.0e-21
610	7.96e-20	0.00
620	7.74e-20	0.00
630	6.62e-20	1.9e-21
640	5.88e-20	1.1e-21
650	5.39e-20	1.1e-21
660	4.54e-20	0.00
670	4.32e-20	7.4e-22
680	4.24e-20	1.1e-21
690	3.43e-20	8.6e-22
700	3.09e-20	1.4e-21
710	2.76e-20	1.8e-21
720	2.12e-20	2.6e-21
730	2.06e-20	2.8e-21
740	2.01e-20	1.5e-21
750	1.90e-20	1.3e-21
760	1.53e-20	2.5e-21