Fig. 3.
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Bar rotation rate as a function of the total r-band absolute magnitude for barred galaxies for which the bar pattern speed was measured with the TW method. Only galaxies with Δℛ/ℛ ≤ 0.5 are shown (Cuomo et al. 2020). The red star corresponds to NGC 4277. The coloured regions highlight the ultra-fast (red), fast (green), and slow bar (blue) regimes, respectively.
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