wavel.	cross section	standard dev.

520	4.600e-19	1.5e-20
520	5.066e-19	1.6e-20
525	3.49e-19	1.2e-20
525	3.46e-19	1.1e-20
530	3.24e-19	1.2e-20
530	3.26e-19	1.3e-20
534	2.94e-19	1.1e-20
534	2.98e-19	1.1e-20
540	2.44e-19	8.8e-21
540	2.24e-19	8.4e-21
545	2.19e-19	9.6e-21
545	2.06e-19	8.8e-21
555	1.46e-19	1.3e-20
555	1.58e-19	1.2e-20
570	1.07e-19	8.8e-21
570	9.86e-20	6.5e-21
580	8.11e-20	6.9e-21
580	8.37e-20	7.3e-21
583	8.68e-20	7.3e-21
583	8.72e-20	6.5e-21
590	7.46e-20	4.2e-21
590	8.83e-20	4.2e-21
595	7.49e-20	4.2e-21
595	8.26e-20	4.6e-21
600	8.07e-20	4.2e-21
600	8.37e-20	4.2e-21
610	1.01e-19	4.2e-21
610	1.03e-19	4.6e-21
610	8.79e-20	3.4e-21
610	9.14e-20	3.1e-21
614	1.00e-19	3.4e-21
615	1.05e-19	3.8e-21
625	1.20e-19	4.2e-21
625	1.19e-19	4.2e-21
633	1.27e-19	3.4e-21
633	1.22e-19	2.7e-21
635	1.34e-19	3.8e-21
635	1.25e-19	3.8e-21