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Table 2
Spectral lines present in the wavelength region shown in Fig. 2.
| Wavelength | Atom | Levels |
| in Air [Å] | ||
|
|
||
| 5875.143 | Atm – | |
| 5875.444 | Atm H2O | |
| 5875.596 | Atm H2O | |
| 5875.599 | He i | 1s2p P2–1s3d D1 |
| 5875.614 | He i | 1s2p P2–1s3d D2 |
| 5875.615 | He i | 1s2p P2–1s3d D3 |
| 5875.625 | He i | 1s2p P1–1s3d D1 |
| 5875.640 | He i | 1s2p P1–1s3d D2 |
| 5875.966 | He i | 1s2p P0–1s3d D1 |
| 5876.124 | Atm H2O | |
| 5876.296 | Fe i | |
| 5876.449 | Atm H2O | |
| 5876.556 | Cr i | |
Notes. Helium line information is taken from the online NIST Atomic Spectra Database (Kramida et al. 2015). All other lines are taken from Moore et al. (1966).
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