| |  |
| Optical (nebular) spectral lines |
Line |
Wavelength (air) |
Wavelength (vacuum) |
Notes/comments |
| Ca II K |
3933.663 |
3934.777 |
IS absn line |
| Ca II H |
3968.468 |
3969.591 |
IS absn line |
| [OII]3726 |
3726.03 |
3727.09 |
| [OII]3729 |
3728.82 |
3729.88 |
| [NeIII] |
3868.71 |
3869.81 |
| [NeIII] |
3967.41 |
3968.53 |
| H12 |
3750.15 |
3751.22 |
| H11 |
3770.63 |
3771.70 |
| H10 |
3797.90 |
3798.98 |
| H9 |
3835.39 |
3836.48 |
| H8 |
3889.05 |
3890.15 |
| Hε |
3970.07 |
3971.19 |
| Hδ |
4101.76 |
4102.92 |
| Hγ |
4340.47 |
4341.69 |
| Hβ |
4861.33 |
4862.69 |
| Hα |
6562.80 |
6564.61 |
| [OIII]5007 |
5006.84 |
5008.24 |
| [OIII]4959 |
4958.92 |
4960.30 |
| [OIII]4363 |
4363.21 |
4364.44 |
| [NII]6549 |
6548.03 |
6549.84 |
| [NII]6583 |
6583.41 |
6585.23 |
| [NII]5755 |
5754.64 |
5756.24 |
| [SII]6717 |
6716.47 |
6718.32 |
| [SII]6731 |
6730.85 |
6732.71 |
| Na I |
5889.951 |
5891.583 |
IS absn line |
| Na I |
5895.924 |
5897.558 |
IS absn line |
| He I |
3888.65 |
3889.75 |
| He I |
5875.67 |
5877.30 |
| He I |
6678.152 |
6679.996 |
| [O I]6300 |
6300.30 |
6302.04 |
| [SIII] |
6312.1 |
6313.8 |
Use with [SIII]9069 as T diag |
| [NeII] |
6583.41 |
6585.23 |
| [NeII] |
6548.03 |
6549.84 |
| [NeII] |
5754.64 |
5756.24 |
| [OI]5577 |
5577.3387 |
5578.8874 |
Strong sky line |
| Mg b |
5167.321 |
5168.761 |
| Mg b |
5172.684 |
5174.125 |
| Mg b |
5183.604 |
5185.048 |
| [ArIII] |
7135.8 |
7137.8 |
| [ArIII] |
7751.1 |
7753.2 |
| Ca II |
8498.03 |
8500.36 |
CaII triplet |
| Ca II |
8542.09 |
8544.44 |
CaII triplet |
| Ca II |
8662.14 |
8664.52 |
CaII triplet |
| [SIII] |
9068.6 |
9071.1 |
Use with [SIII]6312 as T diag |
| [SIII] |
9530.6 |
9533.2 |
| P11 |
8862.783 |
8865.217 |
| P10 |
9014.910 |
9017.385 |
| P9 |
9229.014 |
9231.547 |
| P8 |
9545.972 |
9548.590 |
| P7 |
10049.373 |
10052.128 |
| Pγ |
10938.095 |
10941.091 |
| Pβ |
12818.08 (1.281808 μm) |
12821.59 (1.282159 μm) |
| Pα |
18751.01 (1.875101 μm) |
18756.13 (1.875613 μm) |
| [Fe II] |
( μm) |
(1.644 μm) |
| Brγ |
21655.29 (2.165529 μm) |
21661.20 (2.166120 μm) |
| H2 S(1) 1-0 |
(2.122 μm) |
( μm) |
| H2 S(0) 1-0 |
(2.223 μm) |
( μm) |
| H2 S(1) 2-1 |
(2.034 μm) |
( μm) |
|
|
|
|