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Table 1.
NIR line-strength indices measured in this work.
| Index | Dominated by | Line limits | Blue continuum | Red continuum | Main | Additional |
|---|---|---|---|---|---|---|
| name | (μm) | (μm) | (μm) | Reference | Reference | |
| Mg2h | Mg I | 1.5000–1.5080 | 1.4910–1.5000 | 1.5100–1.5120 | 1 | 6,3 |
| CO1 | 12CO(2,0) | 1.5570–1.5635 | 1.5480–1.5500 | 1.5930–1.5940 | 1 | 6 |
| FeH1 | FeH | 1.5820–1.5860 | 1.5480–1.5500 | 1.5930–1.5940 | 1 | 3,6,7 |
| Sih | Si I | 1.5870–1.5910 | 1.5480–1.5500 | 1.5930–1.5940 | 1 | 3,6,7 |
| CO2 | 12CO(2,0) | 1.5950–1.6000 | 1.5930–1.5940 | 1.6160–1.6180 | 1 | 6 |
| CO3 | 12CO(2,0) | 1.6180–1.6220 | 1.6160–1.6180 | 1.6340–1.6370 | 1 | 7 |
| CO4 | 12CO(2,0) | 1.6390–1.6470 | 1.6340–1.6370 | 1.6585–1.6605 | 1 | |
| CO5 | 12CO(2,0) | 1.6605–1.6640 | 1.6585–1.6605 | 1.6775–1.6790 | 1 | |
| Al1 | Al I | 1.6705–1.6775 | 1.6585–1.6605 | 1.6775–1.6790 | 1 | |
| Br10 | H I | 1.7350–1.7390 | 1.7250–1.7280 | 1.7440–1.7480 | 1 | |
| Nadk | Na I | 2.2000–2.2140 | 2.1934–2.1996 | 2.2150–2.2190 | 5 | |
| FeB | Fe I | 2.2368–2.2414 | 2.2133–2.2176 | 2.2437–2.2497 | 4 | |
| CO12 | 12CO(2,0) | 2.2910–2.3070 | 2.2516–2.2590 | 2.2716–2.2888 | 2 |
Notes. (1) Morelli et al. (2020); (2) Cesetti et al. (2013); (3) Ivanov et al. (2004); (4) Silva et al. (2008); (5) Cesetti et al. (2009); (6) Riffel et al. (2019); (7) Origlia et al. (1993).
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