Modeling the mass-metallicity relation for dSph dwarf galaxies of the local group

Details Modeling the mass-metallicity relation for dSph dwarf galaxies of the local group Modeling the mass-metallicity relation for dSph dwarf galaxies of the local group

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011arep...55..577r&link_type=abstract

Astronomy Reports, Volume 55, Issue 7, pp.577-584

Astronomy and Astrophysics

Astronomy

Scientific paper

The relationship between the masses and metallicities of galaxies could be non-monotonic, due to the outflow of matter in these systems. It is shown using a simple, one-zone, chemical-dynamicalmodel that the metallicity should be a non-monotonic function of the mass for spheroidal dwarf galaxies with low masses of M ≤ 108 M &sun;, and a monotonically growing function for galaxies with higher masses. This is consistent with observations.

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