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Table 9
Equivalent width measurements of the interstellar NaI D lines.
| Spectra used | W(D1) | W(D2) | W(D1) min. from W(D2) | W(D1) from W(D1)+W(D2) |
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| V18+V80+V20 | 0.3406 | 0.3200 | 0.3520 | 0.346 |
| (V18+V80+V20)selected | 0.3544 | 0.3222 | 0.3544 | 0.354 |
| V80selected | 0.3309 | 0.3558 | 0.3913 | 0.361 |
Notes. W(D1) and W(D2) are direct measurements of the NaI lines. W(D1) min from W(D2) is a minimum value of W(D1) calculated from W(D1)/W(D2) ≥ 1.1. W(D1) from W(D1)+W(D2) is the mean value of the two estimates of W(D1).
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