Table 2
List of the features studied.
| Species | Transition | λstart | λend | Note |
|
|
||||
| OH | blend | 15 568.6 Å | 15 572.1 Å | 1 |
| OH | 2-0 P1e11.5 | 15 572.1 Å | 15 574.8 Å | 1 |
| OH | 2-0 P1f11.5 | 15 574.9 Å | 15 578.6 Å | 1 |
| 12CO | 3-0 band head | 15 581.1 Å | 15 585.7 Å | 1, 2 |
|
|
||||
| 12CO | 4-1 P27 | 16 307.1 Å | 16 309.1 Å | 5 |
| Na | 23 383.6 Å | 23 387.4 Å | 4 | |
| 12CO | 3-1 R18 | 23 438.5 Å | 23 443.1 Å | 3 |
| 12CO | 3-1 R82 | 23 443.1 Å | 23 445.6 Å | 3 |
| 13CO | 2-0 band head | 23 447.1 Å | 23 452.3 Å | 2 |
Notes. Columns 3 and 4 give the borders of the spectral ranges applied to determine equivalent widths (cf. Paper I). The last column denotes the purpose of the individual features using the following designations: 1 → C/O ratio; 2 →12C/13C; 3 → atmospheric structure; 4 → [Na/Fe]; 5 → temporal variation.
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