Gravitational quenching in massive galaxies and clusters by clumpy accretion

@inproceedings{Dekel2007GravitationalQI,
  title={Gravitational quenching in massive galaxies and clusters by clumpy accretion},
  author={Avishai Dekel and Yuval Birnboim},
  year={2007}
}
  • Avishai Dekel, Yuval Birnboim
  • Published 2007
  • Physics
  • We consider a simple gravitational heating mechanism for the long-term quenching of cooling flows and star formation in massive dark matter haloes hosting elliptical galaxies and clusters. We showed earlier that the virial shock heating in haloes ≥10 12 M ⊙ triggers natural quenching in 10 12 -10 13 M ⊙ haloes. Our present analytic estimates and simple simulations argue that the long-term quenching in haloes ≥M min ∼ 7 x 1012 M ⊙ could be due to the gravitational energy of cosmological… CONTINUE READING

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