The quenching and morphological evolution of central galaxies is facilitated by the feedback-driven expulsion of circumgalactic gas

@article{Davies2019TheQA,
  title={The quenching and morphological evolution of central galaxies is facilitated by the feedback-driven expulsion of circumgalactic gas},
  author={J. Davies and R. Crain and B. Oppenheimer and J. Schaye},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2019},
  volume={491},
  pages={4462-4480}
}
  • J. Davies, R. Crain, +1 author J. Schaye
  • Published 2019
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • We examine the connection between the properties of the circumgalactic medium (CGM) and the quenching and morphological evolution of central galaxies in the EAGLE and IllustrisTNG simulations. The simulations yield very different median CGM mass fractions, $f_{\rm CGM}$, as a function of halo mass, $M_{200}$, with low-mass haloes being significantly more gas-rich in IllustrisTNG than in EAGLE. Nonetheless, in both cases scatter in $f_{\rm CGM}$ at fixed $M_{200}$ is strongly correlated with the… CONTINUE READING

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