Table 1
Instrument set-ups of the observations used.
| Instrument and set-up | λ range [Å ] |  |
FWHM [km s−1] | FWHM [Å] | Reference |
|---|---|---|---|---|---|
| HARPS | 3800–6900 | 115 000 | 2.6 | ~0.048 | Wyttenbach et al. (2015) |
| HST STIS G430L | 2900–5700 | 530 | 565 | ~8 | Sing et al. (2011) |
| HST STIS G750M | 5808–6380 | 5000 | 60 | ~1.2 | Huitson et al. (2012) |
| HST ACS HRC G800L | 5500–10 500 | 140 | 2140 | ~40 | Pont et al. (2008) |
| HST WFC3 G141 | 11 000–17 000 | 130 | 2300 | ~108 | McCullough et al. (2014) |
Notes. For each data set, we indicate the wavelength range covered, the resolving power and the width of the instrumental LSF that we adopted. The HST data sets were also analysed by Sing et al. (2016), who corrected the observations for the effect of stellar activity. We use their version of the HST transmission spectra in our work.
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