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Table 2.

Host absorption lines identified in the first X-shooter spectrum, with their measured equivalent widths (observer frame) and column densities.

Observed λ Feature EW log(N/cm−2)
(Å) (Å)
4530.09 Ca II 3934.78 1.58 ± 0.1 > 15.5
4570.44 Ca II 3969.59 1.35 ± 0.09
4867.40 Ca I 4227.92 0.36 ± 0.06 12.19 ± 0.08
6782.87 Na I 5891.58 0.29 ± 0.01 12.21 ± 0.01
6789.71 Na I 5897.56 0.15 ± 0.01
12 470.76 He I* 10830 1.025 ± 0.015 12.29 ± 0.01 (a)

Notes. (a) Best-fit column density with z He I * = 0.15089 ± 0.00003 $ z_{{\mathrm{He}{\small { {\text{ I}}}}}^{\ast}} = 0.15089\pm 0.00003 $ and b = 40.9 ± 1.3 km s−1.

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