The data used for deriving 18 upper limits and 1 lower limit of the distances of IS features (see Sect. 4.2) are presented in Table A.1, panels 1-19. The results derived from panels 1-15 are presented in Fig. A.1, namely panels 1-13 corresponding to H I features listed in Table 2 (see Cols. 6-8), and panels 14 and 15 referring to the UCL-cap and the US-cap, respectively (see Sect. 5). Panels 16 (with the only lower limit) and 17 refer to H I features of intermediate velocities of Table 2; panels 18 and 19 refer to IS features in the Galactic quadrant II, and to the Sancisi & van Woerden cloud, respectively (see Sect. 5).
The meaning of the columns is the following:
2) stellar identification;
3, 4) galactic coordinates;
5) stellar distance (h or d, indicates a Hipparcos-value with an uncertainty smaller or larger than 20%, respectively);
6) observed IS species;
7) IS radial velocity;
9) references, which are listed at the end;
10) comments. See the text for more details.
Table A.1: Data base of optical IS absorption lines.
Plots of the radial velocities V(km s-1) of optical IS components in abscissas, as a function of the stellar distances d(pc) in ordinates. The data were derived from the results of observations published in the literature. The dotted lines in panels 1-13 correspond to the velocity ranges plotted in Fig. 6. The velocity resolutions are used as error bars. For each plot the data and the corresponding references are listed by separate in Table A.1. See the text for more details.
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