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Fig. A.2.

Fig. A.2. Refer to the following caption and surrounding text.

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Integrated spectrum of the Leo A H II region using the VZ06 and R18 mock slits, with red and blue colours, respectively. Left panel: spectral window showing Hγ and [O III]λ4363 detection, from left to right, respectively. Middle panel: spectral window presenting the Hβ, and the [O III]λλ 4959,5007 detection, from left to right, respectively. Right panel: spatial distribution of pixels selected to reproduce both mock slits in the H II region. The grey contours represent the Hβ emission of the nebula for reference.

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