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Table 7

HST COS G130M high-resolution absorption depths for UV spectral lines, measured as the ratio of in- to out-of-transit flux in a ± 50 km s−1 centred on the lines.

Spectral feature Linsky et al. (2010) (%) Ballester & Ben-Jaffel (2015) (%) NLTE (%) LTE (%)
CII λ1335 7.8 ± 1.3 9.3 ± 8.4 8.9 9.1
SiIII λ1206 8.2 ± 1.4 8.6 ± 9.5 6.0 7.9

Notes. The NLTE and LTE values are computed in a similar fashion for comparison.

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