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| Paper: |
The Impacts of Continuous Infall, Outflow and Star Formation on the Chemical Evolution of Galaxies |
| Volume: |
446, Galaxy Evolution: Infrared to Millimeter Wavelength Perspective |
| Page: |
175 |
| Authors: |
Zhao, H.-J.; Chen, J.-Z.; Luo, Z.-J. |
| Abstract: |
By extending the discussions in Dalcanton (2007) which focused on
single “impulsive” infall and outflow without interleaved star
formation behavior, we study the impacts on the galaxy chemical
evolution caused by continuous infall, outflow and star formation.
Our general results agree well with Dalcanton (2007), i.e. neither
continuous infall nor continuous unenriched outflow model could
reproduce the observational metallicity of galaxies, but the
continuous enriched outflow model could. Furthermore, we also
calculated and compared the impacts of different timescales of
infall/outflow and enrichment fraction on galaxy metallicity. It is
found that these different timescales would have significant effects
on metallicity of galaxies. |
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