SDSS-IV MaNGA: stellar population correlates with stellar root-mean-square velocity V rms gradients or total-density-profile slopes at fixed effective velocity dispersion σ e

@article{Lu2020SDSSIVMS,
  title={SDSS-IV MaNGA: stellar population correlates with stellar root-mean-square velocity V rms gradients or total-density-profile slopes at fixed effective velocity dispersion $\sigma$ e},
  author={Shengdong Lu and M. Cappellari and S. Mao and J. Ge and R. Li},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2020},
  volume={495},
  pages={4820-4827}
}
Galaxy properties are known to correlate most tightly with the galaxy effective stellar velocity dispersion $\sigma_{\rm e}$. Here we look for {\em additional} trends at fixed $\sigma_{\rm e}$ using 1339 galaxies ($M_\ast \gtrsim 6\times10^9$ M$_\odot$) with different morphologies in the MaNGA (DR14) sample with integral-field spectroscopy data. We focus on the gradients ($\gamma_{\rm rms} \equiv \sigma(R_{\rm e}/4)/\sigma_{\rm e}$) of the stellar root-mean-square velocity ($V_{\rm rms} \equiv… Expand

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