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Table 2
Difference curve excesses for narrow reference bands with full widths of 0.75 Å, 1.5 Å, and 3 Å centered on the Na i D1 and D2 lines.
| Teff[K] | 0.75 Å | 1.5 Å | 3.0 Å | |||
| D2 | D1 | D2 | D1 | D2 | D1 | |
|
|
||||||
| 4000 | 78.9 | 78.1 | 78.5 | 75.6 | 72.1 | 66.1 |
| 4500 | 93.3 | 94.1 | 94.0 | 88.6 | 77.2 | 57.1 |
| 5000 | 72.6 | 66.8 | 54.3 | 37.1 | 25.0 | 13.1 |
| 5500 | 49.8 | 36.2 | 23.9 | 13.9 | 9.9 | 5.0 |
| 6000 | 30.4 | 19.4 | 11.6 | 7.1 | 5.3 | 3.0 |
| 6500 | 16.0 | 10.5 | 5.7 | 3.9 | 2.7 | 1.6 |
| 7000 | 9.0 | 7.2 | 3.3 | 2.9 | 1.6 | 1.2 |
Notes. All DCEs are given in units of 10-5.
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