wavel.	cross sect.	1 sigma standard dev.

509.0	3.19e-22	1.73e-23
509.5	3.15e-22	1.68e-23
510.0	3.21e-22	1.80e-23
510.5	3.09e-22	1.74e-23
511.0	3.17e-22	1.68e-23
511.5	3.11e-22	1.79e-23
512.0	3.09e-22	1.75e-23
512.5	2.96e-22	1.75e-23
513.0	2.87e-22	1.69e-23
513.5	2.83e-22	1.70e-23
514.0	2.80e-22	1.64e-23
514.5	2.79e-22	1.71e-23
515.0	2.77e-22	1.64e-23
515.5	2.67e-22	1.59e-23
516.0	2.64e-22	1.61e-23
516.5	2.51e-22	1.62e-23
517.0	2.41e-22	1.53e-23
517.5	2.35e-22	1.55e-23
518.0	2.27e-22	1.57e-23
518.5	2.32e-22	1.53e-23
519.0	2.27e-22	1.56e-23
519.5	2.19e-22	1.47e-23
520.0	2.12e-22	1.50e-23
520.5	2.07e-22	1.47e-23
521.0	2.04e-22	1.51e-23
521.5	1.95e-22	1.40e-23
522.0	1.91e-22	1.45e-23
522.5	1.85e-22	1.42e-23
523.0	1.77e-22	1.42e-23
523.5	1.70e-22	1.35e-23
524.0	1.68e-22	1.32e-23
524.5	1.63e-22	1.34e-23
525.0	1.61e-22	1.35e-23
525.5	1.58e-22	1.38e-23
526.0	1.50e-22	1.38e-23
526.5	1.44e-22	1.31e-23
527.0	1.40e-22	1.28e-23
527.5	1.36e-22	1.23e-23
528.0	1.32e-22	1.14e-23
528.5	1.27e-22	1.19e-23
529.0	1.26e-22	1.22e-23
529.5	1.25e-22	1.19e-23
530.0	1.19e-22	1.17e-23
530.5	1.15e-22	1.14e-23
531.0	1.08e-22	1.14e-23
531.5	1.07e-22	1.10e-23
532.0	1.03e-22	1.03e-23
532.5	9.53e-23	1.04e-23
533.0	9.50e-23	1.02e-23
533.5	9.10e-23	1.02e-23
534.0	8.60e-23	1.01e-23
534.5	8.51e-23	9.45e-24
535.0	8.20e-23	9.15e-24
535.5	7.66e-23	9.07e-24
536.0	7.30e-23	8.92e-24