Open Access
Table 1.
Definition of spectral indices.
| Index | λblue1 | λblue2 | λcenter1 | λcenter2 | λred1 | λred2 | Reference |
|---|---|---|---|---|---|---|---|
| (Å) | (Å) | (Å) | (Å) | (Å) | (Å) | ||
| MgI1.18 | 11 740 | 11 810 | 11 810 | 11 850 | 11 905 | 11 935 | Eftekhari et al. (2021)* |
| SiI1.20 | 11 900 | 11 940 | 11 955 | 12 005 | 12 135 | 12 165 | Röck (2015)* |
| SiI1.59 | 15 840 | 15 860 | 15 870 | 15 910 | 15 925 | 15 950 | Gasparri et al. (2021)* |
Notes. *The wavelengths are adjusted.
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