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On the origin of N in galaxies with galaxy evolution models

Published online by Cambridge University Press:  30 December 2019

Fiorenzo Vincenzo Open the ORCID record for Fiorenzo Vincenzo [Opens in a new window]  and
Chiaki Kobayashi Open the ORCID record for Chiaki Kobayashi [Opens in a new window]
Fiorenzo Vincenzo
Affiliation:
Centre for Astrophysics Research, University of Hertfordshire College Lane, AL10 9AB, Hatfield, United Kingdom emails: f.vincenzo@herts.ac.uk, c.kobayashi@herts.ac.uk
Chiaki Kobayashi
Affiliation:
Centre for Astrophysics Research, University of Hertfordshire College Lane, AL10 9AB, Hatfield, United Kingdom emails: f.vincenzo@herts.ac.uk, c.kobayashi@herts.ac.uk
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Abstract

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Nitrogen is among the most abundant chemical elements in the cosmos, and asymptotic giant branch (AGB) stars are fundamental nucleosynthetic sources of N in galaxies. In this work, we show how the observed N/O versus O/H chemical abundance diagram, both in extragalactic systems and in our own Galaxy, can be used to constrain the nucleosynthetic origin of N in the cosmos. In particular, we review the results of our studies with chemical evolution models, embedded in full cosmological chemodynamical simulations.

Keywords

galaxies: abundancesgalaxies: evolutionISM: abundanceshydrodynamicsstars: abundances
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S343: Why Galaxies Care About AGB Stars: A Continuing Challenge through Cosmic Time , August 2018 , pp. 330 - 333
Copyright
© International Astronomical Union 2019 

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