On the origin of N in galaxies with galaxy evolution models

Fiorenzo Vincenzo, Chiaki Kobayashi

Research output: Contribution to journalConference articlepeer-review


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.
Original languageEnglish
Pages (from-to)330-333
Number of pages4
JournalProceedings of the International Astronomical Union
Issue numberS343
Publication statusE-pub ahead of print - 30 Dec 2019


  • galaxies: abundances
  • galaxies: evolution
  • ISM: abundances
  • hydrodynamics
  • stars: abundances


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