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Fig. 8


Gas fractions as a function of line width. Left: Mstars / LKs fixed. Right: Mstars / LKs variable. In both panels, dwarf irregulars (dIs) are marked with open circles, and blue compact dwarfs (BCDs) are flagged by solid circles. With mass-to-light ratios adjusted for surface brightness deviations, gas fractions for many galaxies change significantly.

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