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Pfund series
Recombination Lines of Atomic Hydrogen:
Pfund Series
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| VACUUM
| VACUUM
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|---|
| TRANSITION
| WAVELENGTH
| FREQUENCY
| I/I(Hbeta)
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|---|
| (Nu-Nl)
| (microns)
| (cm -1)
| Te=Ne=10**4
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|---|
| 6-5
| 7.4599
| 1340.5
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| 7-5
| 4.6538
| 2148.79
| 0.0158
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| 8-5
| 3.7405
| 2673.43
| 0.0104
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| 9-5
| 3.2970
| 3033.06
| 0.00725
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| 10-5
| 3.0392
| 3295.30
| 0.00524
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| 11-5 | 2.8730 | 3480.68 | 0.00391 |
| 15-5
| 2.5643 | 3899.65 | 0.00152 |
| 16-5
| 2.526 | 1 3958.67 | 0.00125 |
| 17-5
| 2.4953 | 4007.60 | 0.00104 |
| 18-5
| 2.4700 | 4048.59 | 0.000877 |
| 19-5
| 2.4490 | 4083.29 | 0.000747 |
| 20-5
| 2.4314 | 4083.29 | 0.000643 |
| 21-5
| 2.4164 | 4138.40 | 0.000558 |
| 22-5
| 2.4035 | 4160.50 | 0.000489 |
| 23-5
| 2.3925 | 4179.77 | 0.000431 |
| 24-5
| 2.3828 | 4196.69 | 0.000383 |
| 25-5 | 2.3744 | 4211.62 | 0.000343 |
| series limit | 2.279 | 4387. | |
Intensities from Hummer & Storey, MNRAS 224, 801
most frequencies calculated from
f = 109677.57 * [(1/Nl)**2] - TRG
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