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Fig. 2.
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Comparison of dwarf spectra from visually intuited aperture (top) vs. S/N optimized aperture (bottom). Right: stacked MUSE cube of the dwarf MATLAS-445. The spectra were extracted from the colored regions. The S/N was improved from 29.3 (visually intuited aperture) to 32.4 (optimized aperture) for this galaxy.
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