Fig. 7
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Comparison between the Hβ and Fe I 3969 absorption components. Top panel: triple Gaussian fit of the continuum normalized Hβ line in the epoch 2 ESPRESSO spectrum. The dashed lines show the three Gaussian components. Bottom panel: COMPARISON between the continuum normalized absorption profiles in Hβ and Fe I 3969. The red line is the Gaussian best fit of the Fe I 3969 from Fig. 6. The blue line is the sum of the two Gaussian absorption components in Hβ, rescaled relative to the continuum to allow the comparison with the Fe I 3969 absorption profile.
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