Cosmo-tomography toward PKS 1830−211: Variability of the quasar and of its foreground molecular absorption monitored with ALMA

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Fig. 16.

Weighted-average spectra toward the NE image of PKS 1830−211, combining all visits in 2016. The hyperfine structure is shown for each CH Λ-doublet, with the strongest hfs component set at a velocity v = −150 km s⁻¹. The lower panel shows the CH hfs-deconvolved profile.

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