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The relation between dust amount and galaxy mass across the cosmic time

Published online by Cambridge University Press:  29 March 2021

J. H. Barbosa-Santos Open the ORCID record for J. H. Barbosa-Santos [Opens in a new window]  and
G. B. Lima Neto
J. H. Barbosa-Santos
Affiliation:
Instituto de Astronomia, Geofísica e Ciências Atmosférica, USP, Rua do Matão, 1226 - Cidade Universitária, 05508-090, São Paulo, SP, Brazil email: [email protected]
G. B. Lima Neto
Affiliation:
Instituto de Astronomia, Geofísica e Ciências Atmosférica, USP, Rua do Matão, 1226 - Cidade Universitária, 05508-090, São Paulo, SP, Brazil email: [email protected]
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Abstract

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Dust Obscured Galaxies (DOGs) are observed as far as the reionization epoch. Their cosmic density peaks together with the star formation rate. DOGs also rule the star formation in high stellar mass galaxies. In this work we used a chemodynamical model to evolve the amount of dust in galaxies. We ran forty models varying initial mass and both dust formation efficiency and dust production. We find that for high star formation rate systems the accretion dominates the dust evolution and it explains high-z DOGs. Low star formation rate systems are better suited to investigate dust production. Also, we find that a MDust/MGas versus MDust/M* diagram is a good tracer of galaxy evolution.

Keywords

galaxies: evolutiongalaxies: ISMgalaxies: high-redshift(ISM:) dustextinction
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S359: Galaxy Evolution and Feedback across Different Environments , March 2019 , pp. 342 - 344
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of International Astronomical Union

References

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