Different ionisation metal lines (Mg II, Fe II, Si II, Ar I, N I, O I, O I^*, P II, Mn II, Ni II, C IV, and Si IV) associated with the z_abs = 2.545 ESDLA system towards QSO SDSS J1411+1229. The subplot with ’Ar I λ1048’ shows the mock Ar I profile on top of the spectrum, heavily contaminated with the Lyα forest and it was not used for fitting. The legends as well as the assumption on sub-component redshifts and b-values are the same as in Fig. A.1.