Interstellar 5889 Å NaI-D2 and 5895 Å NaI-D1 absorption lines for the stars HD 96398, HD 96399, and HD 97230. The first row shows the normalized interstellar NaI-D2 line profile (red histogram line) superimposed on the HI emission spectrum (black histogram line). The second and the third rows show the unnormalized interstellar NaI D2 and D1, respectively line profiles (red histogram line) superimposed on the fit model (blue line) and the individual model components (dotted red line). Data and models for the first three targets HD 94194, HD 94266, and HD 94766 are shown in the article.
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