Stellar Kinematics in Double-Barred Galaxies: The σ-Hollows

@article{LorenzoCaceres2008StellarKI,
  title={Stellar Kinematics in Double-Barred Galaxies: The $\sigma$-Hollows},
  author={Adriana de Lorenzo-C'aceres and Jes'us Falc'on-Barroso and Alejandro Vazdekis and Inst. de Astrof. de Canarias and ESA-Estec},
  journal={The Astrophysical Journal},
  year={2008},
  volume={684}
}
We present SAURON integral-field stellar velocity and velocity dispersion maps for four double-barred early-type galaxies: NGC 2859, NGC 3941, NGC 4725, and NGC 5850. The presence of the inner bar does not produce major changes in the line-of-sight velocity, but it appears to have an important effect in the stellar velocity dispersion maps: we find two σ-hollows of amplitudes between 10 and 40 km s−1 on either side of the center, at the ends of the inner bars. We have performed numerical… 

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