B.5 Infrared Line Lists

We present here lists of some of the more important atomic and molecular lines in the infrared. It is by no means exhaustive.

Table B.9: Recombination Lines of Atomic Hydrogen: Paschen Series.

Transition (Nu - Nl)	Vacuum Wavelength (microns)	Vacuum Frequency (cm -1)	I/I(Hβ) Te=Ne=104
4-3	1.8756	5531.55	0.332
5-3	1.2822	7799.33	0.162
6-3	1.0941	9139.8	0.0901
7-3	1.0052	9948.1

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1

Intensities from Hummer & Storey, MNRAS 224, 801.

Table B.10: Recombination Lines of Atomic Hydrogen: Brackett Series. 

Transition (Nu-Nl)	Vacuum Wavelength (microns)	Frequency (cm -1)	I/I(Hβ) Te=104
5-4	4.5225	2467.765	0.0777
6-4	2.6259	3808.25
7-4	2.1661	4616.61	0.0275
8-4	1.9451	5141.14	0.0181
9-4	1.8181	5500.8	0.0126
10-4	1.7367	5758.1	0.00909
11-4	1.6811	5948.45	0.00679
12-4	1.6412	6093.22	0.00521
13-4	1.6114	6205.9	0.00409
14-4	1.5885	6295.3	0.00327
15-4	1.5705	6367.4	0.00266
16-4	1.5561	6426.4	0.00220
17-4	1.5443	6475.3	0.00184
18-4	1.5346	6516.3	0.00156
19-4	1.5265	6551.0	0.00133
20-4	1.5196	6580.7	0.00116
series limit	1.459	6855.

 

Table B.11: HeI and HeII Lines. 

ID	Transition	λ (μm)
HeI	7F-3D,3Fo-3D	1.0031
HeI	7F-3D,1Fo-1D	1.0034
HeII	14-6	1.0049
HeII	5-4	1.0133
HeI	6D-3P,3dD-3Po	1.0314
HeII	13-6	1.0422
HeI	6S-3P,3S-3Po	1.0668
HeI	2P-2S,3Po-3S,GU=3	1.0832
HeI	2P-2S,3Po-3P,GU=1	1.0832
HeI	2P-2S,3Po-3S,GU=5	1.0833
HeI	2P-2S,3Po-3S,GU=9	1.0833
HeI	6P-3D,1Po-1d	1.0905
HeI	6F-3D,3Fo-3D	1.0916
HeI	6F-3D,1Fo-1D	1.0920
HeII	12-6	1.0938
HeI	6P-3D,3Po-3D	1.0997
HeI	5P-3S,1Po-1S	1.1016
HeI	6D-3P,1D-1Po	1.1048
HeII	7LIMIT	1.1164
HeI	6S-3P,1S-1Po	1.1229
HeII	7-5	1.1628
HeII	11-6	1.1677
HeI	5D-3P,3D-3Po	1.1972
HeII	21-7	1.2256
HeII	22-7	1.2418
HeI	4P-3S,3Po-3S	1.2531
HeII	20-7	1.2719
HeI	5P-3D,1Po-1D	1.2759
HeI	5F-3D,3Fo-3D	1.2789
HeII	10-6	1.2817
HeI	5S-3P,3S-3Po	1.2850
HeII	19-7	1.2914
HeI	5D-3P,1D-1Po	1.2971
HeI	5F-3D,1Fo-1D	1.2976
HeI	5P-3D,3Po-3D	1.2988
HeII	18-7	1.3150
HeI	5S-3P,1S-1Po	1.3415
HeII	17-7	1.3442
HeII	15-7	1.4273
HeII	8LIMIT	1.4578
HeII	9-6	1.4765
HeII	14-7	1.4882
HeI	4P-3S,1Po-1S	1.5088
HeII	13-7	1.5719
HeII	25-8	1.6241
HeII	24-8	1.6400
HeII	23-8	1.6584
HeII	22-8	1.6799
HeII	12-7	1.6926
HeI	4D-3P,3D-3Po	1.7007
HeII	21-8	1.7053
HeII	20-8	1.7355
HeII	19-8	1.7717
HeII	18-8	1.8167
HeII	9LIMIT	1.8450
HeI	4P-3D,1Po-1D	1.8561
HeII	6-5	1.8639
HeI	4F-3D,3Fo-3D	1.8691
HeI	4F-3D,1Fo-1d	1.8702
HeII	17-8	1.8725
HeII	8-6	1.8753
HeII	11-7	1.8770
HeI	8S-4P,3S-3Po	1.9068
HeI	4D-3P,1D-1Po	1.9094
HeI	4P-3D,3Po-3D	1.9548
HeII	15-8	2.0379
HeI	6P-4S,3Po-3S	2.0430
HeI	2P-2S,1Po-1S	2.0587
HeI	4S-3P,3S-3Po	2.1126
HeI	3pP-4sS	2.1132
HeI	4S-3P,1S-1Po	2.1138
HeII	25-9	2.1195
HeII	24-9	2.1469
HeI	7S-4P,3S-3Po	2.1500
HeI	7F-4D,3Fo-3D	2.1614
HeI	4dD-7fF	2.1617
HeI	7F-4D,1Fo-1D	2.1623
HeII	14-8	2.1653
HeI	4-7	2.166
HeII	23-9	2.1786
HeI	7D-4P,1D-1Po	2.1847
HeII	10-7	2.1891
HeII	22-9	2.2155
HeI	7S-4P,1S-1Po	2.2290
HeII	21-9	2.2601
HeII	10LIMIT	2.2778
HeI	6P-4S,1Po-1S	2.3069
HeII	20-9	2.314
HeII	13-8	2.348
HeII	19-9	2.3788
HeII	18-9	2.4606
HeI	6D-4P,3D-3Po	2.4734

Table B.12: CO Vibration-rotation Band-heads. 

Transition (Nu-Nl)	12C16O Vacuum Wavelength (microns)	Frequency (cm -1)	13C16O Vacuum Wavelength (microns)	Frequency (cm -1)
2-0	2.2935	4360.1	2.3448	4264.7
3-1	2.3227	4305.4	2.3739	4212.4
4-2	2.3535	4250.8	2.4037	4160.3
5-3	2.3829	4196.5	2.4341	4108.3
6-4	2.4142	4142.2	2.4652	4056.4
7-5	2.4461	4088.2	2.4971	4004.7
8-6	2.4787	4034.3
9-7	2.5122	3980.5
3-0	1.5582	6417.8
4-1	1.5780	6337.2
5-2	1.5982	6257.2
6-3	1.6187	6177.7
7-4	1.6397	6098.8
8-5	1.6610	6020.5

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All of the delta v = 2 bandheads occur near J=50.

Table B.13: Important H2 Lines. 

Line Name		Wavel (μm)	Freq (cm-1)	g(J)	Eupper (K)	A (10e-7s)	LTE I(line)/I(1-0S(1))
							1000K	2000K	3000K	4000K
1-0	S(0)	2.2235	4497.41	5	6471	2.53	0.27	0.21	0.19	0.19
1-0	S(1)	2.1218	4712.91	21	6956	3.47	1.00	1.00	1.00	1.00
1-0	S(2)	2.0338	4917.01	9	7584	3.98	0.27	0.37	0.42	0.44
1-0	S(3)	1.9576	5108.40	33	8365	4.21	0.51	1.02	1.29	1.45
1-0	S(4)	1.8920	5282.52	13	9286	4.19	0.082	0.26	0.39	0.47
1-0	S(5)	1.8358	5447.25	45	10341	3.96	0.096	0.52	0.91	1.21
1-0	S(6)	1.7880	5592.9	17	11522	3.54	0.010	0.10	0.21	0.31
1-0	S(7)	1.7480	5720.8	57	12817	2.98	0.008	0.15	0.40	0.65
1-0	S(8)	1.7147	5831.9	21	14221	2.34	0.001	0.022	0.074	0.14
1-0	S(9)	1.6877	5925.1	69	15722	1.68	0.025	0.11	0.22
1-0	S(10)	1.6665	6000.0	25	17311	1.05	0.003	0.015	0.034
1-0	S(11)	1.6504	6059.0	81	18979	0.53	0.002	0.014	0.037
1-0	Q(1)	2.4066	4155.25	9	6149	4.29	1.05	0.70	0.61	0.57
1-0	Q(2)	2.4134	4143.47	5	6471	3.03	0.30	0.23	0.22	0.21
1-0	Q(3)	2.4237	4125.87	21	6956	2.78	0.70	0.70	0.70	0.70
1-0	Q(4)	2.4375	412.57	9	7586	2.65	0.15	0.21	0.23	0.24
1-0	Q(5)	2.4548	4073.72	33	8365	2.55	0.24	0.49	0.62	0.70
1-0	Q(6)	2.4756	4039.5	13	9286	2.45	0.036	0.12	0.17	0.21
1-0	Q(7)	2.5001	3999.9	45	10341	2.34	0.042	0.11	0.40	0.53
3-2	S(0)	2.5014	3997.73	5	17387	3.88	0.001	0.007	0.016
3-2	S(1)	2.3864	4190.33	21	17818	5.14	0.006	0.035	0.087
3-2	S(2)	2.2870	4372.49	9	18386	5.63	0.002	0.014	0.037
3-2	S(3)	2.2014	4542.57	33	19086	5.63	0.006	0.043	0.12
3-2	S(4)	2.1280	4699.32	13	19912	5.22	0.001	0.012	0.036
3-2	S(5)	2.0656	4841.3	45	20856	4.50	0.003	0.023	0.088
3-2	S(6)	2.0130	4967.7	17	21911	3.57	0.006	0.021
3-2	S(7)	1.9692	5078.1	57	23069	2.54	0.001	0.010	0.038
4-3	S(3)	2.3446	4265.4	21
4-3	S(4)	2.2668	4411.5	9
4-3	S(5)	2.201	4543.5	33
5-4	S(5)	2.3555	4245.4	45
5-4	S(7)	2.2510	4442.5	57
2-0	S(0)	1.2383	8075.3	5	12095	1.27	0.001	0.012	0.028	0.043
2-0	S(1)	1.1622	8604.2	21	12550	1.90	0.004	0.061	0.15	0.23
2-0	S(2)	1.1382	8785.5	9	13150	2.38	0.001	0.025	0.070	0.12
2-0	S(3)	1.1175	8948.6	33	13890	2.77	0.002	0.074	0.24	0.43
2-0	S(4)	1.0998	9092.4	13	14764	3.07	0.021	0.078	0.15
2-0	S(5)	1.0851	9215.5	45	15763	3.28	0.001	0.048	0.21	0.44
2-9	Q(1)	1.2383	8075.3	9	11789	1.94	0.003	0.037	0.082	0.12
2-0	Q(2)	1.2419	8051.9	5	12095	1.38	0.001	0.012	0.029	0.045
2-0	Q(3)	1.2473	8017.2	21	12550	1.29	0.002	0.039	0.098	0.24
2-0	Q(4)	1.2545	7971.1	9	13150	1.27	0.001	0.012	0.033	0.056
2-0	Q(5)	1.2636	7913.3	33	13890	1.23	0.001	0.024	0.093	0.17
2-0	O(2)	1.2932	7732.6	1	11635	3.47	0.001	0.008	0.016	0.024
2-0	O(3)	1.3354	7488.3	9	11789	1.61	0.003	0.028	0.063	0.094
2-0	O(4)	1.3817	7237.5	5	12095	1.03	0.001	0.008	0.020	0.030
2-0	O(5)	1.4322	6982.5	21	12550	0.698	0.001	0.018	0.046	0.074

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Energy levels calculated using Dabrowski & Herzberg, Can J Phys 62, 1639 (1984). Einstein coefficients from Turner et al. ApJ Suppl 35, 281 (1977).