v'	wavel.	cross sect.
---------------------------
22	263.6	5.407e-18
21	264.2	5.429e-18
20	264.9	5.491e-18
19	265.6	5.616e-18
18	266.5	5.791e-18
17	267.4	6.025e-18
16	268.6	6.153e-18
15	270.0	6.398e-18
14	271.5	6.563e-18
13	273.3	6.675e-18
12	275.3	6.709e-18
11	277.4	6.681e-18
10	279.9	6.451e-18
9	282.6	5.977e-18
8	285.5	5.302e-18
7	288.6	4.381e-18
6	292.1	3.302e-18
5	295.7	2.534e-18
4	299.6	1.705e-18
3	303.9	1.027e-18
2	308.3	5.760e-19
1	312.1	3.460e-19