A Model of Supernovae Feedback in Galaxy Formation

  title={A Model of Supernovae Feedback in Galaxy Formation},
  author={George P. Efstathiou},
A model of supernovae feedback during disc galaxy formation is developed. The model incorporates infall of cooling gas from a halo and outflow of hot gas from a multiphase interstellar medium (ISM). The star formation rate is determined by balancing the energy dissipated in collisions between cold gas clouds with that supplied by supernovae in a disc marginally unstable to axisymmetric instabilities. Hot gas is created by thermal evaporation of cold gas clouds in supernovae remnants, and… CONTINUE READING


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