Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011sf2a.conf..291g&link_type=abstract
SF2A-2011: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics Eds.: G. Alecian, K. Belkacem,
Astronomy and Astrophysics
Astrophysics
Dust, Galaxies: Evolution, Methods: Numerical
Scientific paper
We have designed a model to compute dust abundances in chemodynamical N-body+SPH simulations. It includes the production by Asymptotic Giant Branch (AGB) stars, supernovae (SNe, type I and II), the destruction by shock induced by SNe and the growth of dust grains in the interstellar medium (ISM). The model takes advantage of the self-consistent chemodynamical code to compute the evolution of the dust mass: the two ISM phases, evolving stellar populations, and metal enrichment. We show that our model is able to reproduce the abundances of dust and its linear relation with the metallicity of the ISM, provided all dust processes are included. Moreover, some low-metallicity galaxies that are under-abundant in dust could be explained by our simulations as being dominated by the dust destruction in SNe shocks.
Gaudin Nicolas
Wozniak Herve
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