Fig. 1.

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Rest-frame spectrum for the HE 0413−4031 covering the spectral range around the Hβ region obtained using the SOAR/TripleSpec4 NIR spectrograph. The redshift (z = 1.39117 ± 0.00017) was estimated using the [O III]λ5007 emission line. The zero-velocity positions of Hβ and [O III]λ5007 emission lines are marked using the dashed vertical lines.
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