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Fig. 1.


Final reduced spectrum of WISE J1042+1641 observed with LIRIS shown as the black line. Red vertical lines indicate the central wavelengths of rest-frame optical emission lines, i.e., Hγ, Hβ, [O III]λ4959, [O III]λ5007, [N II]λ6548, Hα, and [N II]λ6583. The best-fit model for the observed spectrum is indicated as the red line, and the residual is shown as a dark gray line. The continuum (green line) and individual emission-line components (blue lines) are also shown. The gray shaded area was excluded in the fit. The small inset panel shows the same spectrum zoomed in to focus on the blueshifted outflow components in oxygen lines: blueshifted and unshifted lines are indicated as purple and orange lines, respectively.

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