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2004MNRAS.352..363M - Mon. Not. R. Astron. Soc., 352, 363-375 (2004/August-1)
Three-dimensional simulations of the interstellar medium in dwarf galaxies - II. Galactic winds.
MARCOLINI A., BRIGHENTI F. and D'ERCOLE A.
Abstract (from CDS):
Contrary to the ISM content, the amount of the metal-rich ejecta retained by the galaxy is more sensitive to the ram pressure action. Part of the ejecta is first trapped in a low-density, extraplanar gas produced by the IGM-ISM interaction, and then pushed back on to the galactic disc. The amount of trapped metals in a moving galaxy may be up to three times larger than in a galaxy at rest. This prediction may be tested by comparing metallicity of dwarf galaxies in nearby poor clusters or groups, such as Virgo or Fornax, with the field counterpart. The sensitivity of the metal entrapment efficiency on the geometry of the interaction may explain part of the observed scatter in the metallicity-luminosity relation for dwarf galaxies.
Abstract Copyright: 2004 RAS
Journal keyword(s): hydrodynamics - methods: numerical - galaxies: clusters: general - galaxies: dwarf - galaxies: kinematics and dynamics - galaxies: starburst
Simbad objects: 1
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