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Fig. 9.

image

Radial oxygen abundance gradient in units of dex/R25 in the discs of our galaxies as a function of their spectroscopic mass. The galaxies with ΔPA > 20° are shown by circles (galaxies without signs of an interaction) and by plus signs (galaxies with signs of an interaction). The grey points are galaxies with ΔPA < 20° from Pilyugin et al. (2019).

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