Fig. 1.
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Left panel: X-shooter slit position overlaid on an HST/WFC continuum-subtracted Hα image. We show the 1″ division of the slit and mark relevant positions with red letters. Right panel: Metallicity profile as a function of distance to the brightest Hα emission in the galaxy. The dotted blue line shows the R90 measured from the HST F550n band. Note that the rise in metallicity corresponds to the Hα emission arc.
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