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Fig. 7


Hα + [N II] 6548,6583, [O II] 7325, [S III] 9533, [S II] 6716+6731, [O I] 6300, [N I] 5200 and [C I] 9825+9850surface brightness profiles (integrated over all the radial velocity range in which line emission is detected) as a function of relative position for the spectrum obtained at position 1.

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