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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)

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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