Recombination Lines of Atomic Hydrogen:


VACUUM VACUUM
TRANSITION WAVELENGTH FREQUENCY I/I(Hbeta)
(Nu-Nl) (microns) (cm -1) Te=Ne=10**4
7-6 12.372 1 808.28 0.00927
8-6 7.503 1332.89
10-6 5.129 1949.82 0.00303
11-6 4.673 2140.17 0.00246
13-6 4.171 2397.62 0.00148
14-6 4.021 2487.02 0.00118
15-6 3.908 2559.14 0.000953
16-6 3.819 2618.17 0.000782
17-6 3.7494 2667.09 0.000650
18-6 3.693 2708.1 0.000546
19-6 3.646 2742.8 0.000463
20-6 3.607 2772.4 0.000397
21-6 3.574 2797.9 0.000343
22-6 3.546 2820.0 0.000299
23-6 3.522 2839.3 0.000262
24-6 3.501 2856.2 0.000232
25-6 3.483 2871.1 0.000207
26-6 3.467 2884.4 0.000185
27-6 3.453 2896.2 0.000166
28-6 3.440 2906.7 0.000150
29-6 3.429 2916.2 0.000137
30-6 3.419 2924.7 0.000124
series limit 3.282 3047.

Intensities from Hummer & Storey, MNRAS 224, 801
most frequencies calculated from f = 109677.57 * [(1/Nl)**2 - TRG