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Fig. 1


Overview of observed properties of the main line component. Color code: yellow=emission, green=absorption, beige=non-detection, white =not observed. “M” and “N” refer to medium-broad (5–20 km s-1) and narrow (<5 km s-1) line width; “blue”, “red” to the line shift, “b+r” to components in both directions, “pcyg” to P-Cygni, and “ipcyg” to inverse P-Cygni profiles. The quantitative values are reported in Tables A.1–A.3; line transitions and frequencies are given in Table 2.

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