Open Access

Table B.1

νblack for the stars in our sample.

Target Si IV 1393 Si IV 1403 CIV 1548 Al III 1855 Al III 1863 Mg II 2796 Mg II 2803 vblack ¯$\overline {{v_{{\rm{black\;}}}}} $
Sk−66° 171 1704 1846 1775 ±63
Sk−68° 155 1485 1482 1520±61
Sk−69° 279 613 640 630±62
Sk−71° 41
Sk−68° 135 855 909 880±62
Sk −67° 5 1231 1237 1230±61
Sk −68° 52 1050 1097 1150±61
Sk −69° 43 790 914 825±64
Sk−68° 140 1005 984 1016 1000±62
Sk −67° 2 377 361 384 381 380±61
Sk −67° 14 796 796 839 810±67
Sk −69° 52 473 457 465±61
Sk −67° 78
Sk −70° 16
Sk −68° 8
Sk −67° 195 218 211 215±62

Notes. We obtain νblack from all the available saturated P Cygni lines in the UV. Single velocity measurement from each line is subject to an uncertainty Δνblack = 30 km s−1, which takes into account the velocity resolution of the UV spectra and the uncertainty in the radial velocity correction which were added in quadrature.

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