wavel.	cross sect. standard deviation
--------------------------------------
380	3.92e-19	4.5e-21
390	4.43e-19	4.43e-20
400	4.80e-19	6.10e-20
410	4.75e-19	4.43e-20
420	4.80e-19	3.5e-20
430	4.04e-19	3.1e-20
440	4.08e-19	3.87e-20
450	3.51e-19	1.6e-20
460	3.56e-19	3.1e-20
470	3.16e-19	2.3e-20
480	3.18e-19	2.3e-20
490	2.89e-19	1.9e-20
500	2.37e-19	1.1e-20
510	2.46e-19	1.2e-20
520	2.11e-19	1.2e-20
530	1.90e-19	4.8e-21
540	1.61e-19	7.1e-21
550	1.52e-19	6.3e-21
560	1.14e-19	8.9e-21
570	1.18e-19	4.5e-21
580	1.01e-19	1.0e-20
590	9.56e-20	5.2e-21
600	8.37e-20	2.0e-21
610	6.88e-20	1.9e-21
620	6.70e-20	7.4e-22
630	5.39e-20	1.1e-21
640	4.65e-20	1.5e-21
650	4.13e-20	3.7e-22
660	3.16e-20	5.6e-22
670	3.17e-20	5.6e-22
680	3.12e-20	6.3e-22
690	2.36e-20	6.3e-22
700	2.13e-20	6.3e-22
710	2.02e-20	1.9e-22
720	1.59e-20	3.0e-22
730	1.47e-20	3.7e-22
740	1.35e-20	1.5e-22
750	1.24e-20	1.5e-22
760	9.67e-21	2.2e-22