Fig. A.1.
Upper two rows: flux maps for the [O II] λ3727, [O III] λ5007, Hβ, [N II] λ6584, [S II] λ6718, 6732 gas in the M1931 BCG, lower two rows: equivalent widths in units of [Å] for the same set of emission lines. The white background in all plots correspond to the spaxels with an S/N < 10. The cross shows the location of the AGN. The contours show different levels of flux intensity and EW.
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