• Bar pattern speeds in CALIFA galaxies. III. Solving the puzzle of ultrafast bars

    Context. More than 10% of barred galaxies with a direct measurement of the bar pattern speed host an ultrafast bar. These bars extend well beyond the corotation radius and challenge our understanding of the orbital structure of barred galaxies. Most of the bars are found in spiral galaxies, rather than in lenticular galaxies. Aims: We analyse the

    Cuomo, Virginia et al.

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