Table of Spectral Lines Used in SDSS
REFERENCE WAVELENGTHS, IN VACUUM, USED IN SPECTRO1D
vac(Å) | WEIGHT | SPECIES | |
| Galaxy | Quasar | ||
| Emission Lines | |||
| 1033.82 | 0.0 | 1.0 | O VI |
| 1215.24 | 0.0 | 9.0 | Ly![]() |
| 1240.81 | 0.0 | 3.0 | N V |
| 1305.53 | 0.0 | 0.0 | O I |
| 1335.31 | 0.0 | 0.0 | C II |
| 1397.61 | 0.0 | 0.0 | Si IV |
| 1399.8 | 0.0 | 1.0 | Si IV + O IV |
| 1549.48 | 0.0 | 8.0 | C IV |
| 1640.4 | 0.0 | 0.0 | He II |
| 1665.85 | 0.0 | 0.0 | O III |
| 1857.4 | 0.0 | 0.0 | Al III |
| 1908.734 | 0.0 | 7.0 | C III |
| 2326.0 | 0.0 | 0.5 | C II |
| 2439.5 | 0.0 | 0.0 | Ne IV |
| 2799.117 | 1.0 | 8.0 | Mg II |
| 3346.79 | 0.0 | 0.0 | Ne V |
| 3426.85 | 0.0 | 0.0 | Ne VI |
| 3727.092 | 5.0 | 1.0 | O II |
| 3729.875 | 0.0 | 0.0 | O II |
| 3889.0 | 0.0 | 0.0 | He I |
| 4072.3 | 0.0 | 0.0 | S II |
| 4102.89 | 0.5 | 2.0 | H![]() |
| 4341.68 | 1.0 | 3.0 | H![]() |
| 4364.436 | 0.0 | 0.0 | O III |
| 4862.68 | 2.0 | 4.0 | H![]() |
| 4932.603 | 0.0 | 0.0 | O III |
| 4960.295 | 2.0 | 2.0 | O III |
| 5008.240 | 3.0 | 2.0 | O III |
| 6302.046 | 0.0 | 0.0 | O I |
| 6365.536 | 0.0 | 0.0 | O I |
| 6529.03 | 0.0 | 0.0 | N I |
| 6549.86 | 3.0 | 0.0 | N II |
| 6564.61 | 8.0 | 8.0 | H![]() |
| 6585.27 | 3.0 | 0.0 | N II |
| 6718.29 | 3.0 | 0.0 | S II |
| 6732.67 | 3.0 | 0.0 | S II |
| Absorption Lines | |||
| 3934.777 | -1.0 | 0.0 | K |
| 3969.588 | -1.0 | 0.0 | H |
| 4305.61 | -1.0 | 0.0 | G |
| 5176.7 | -1.0 | 0.0 | Mg |
| 5895.6 | -1.0 | 0.0 | Na |
| 8500.36 | -1.0 | 0.0 | CaII |
| 8544.44 | -1.0 | 0.0 | CaII |
| 8664.52 | -1.0 | 0.0 | CaII |
| Sky Lines | |||
| 5578.5 | 0.0 | 0.0 | Sky |
| 5894.6 | 0.0 | 0.0 | Sky |
| 6301.7 | 0.0 | 0.0 | Sky |
| 7246.0 | 0.0 | 0.0 | Sky |