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Chemical modelling of N-bearing COMs in star-forming regions

Published online by Cambridge University Press:  04 September 2018

David Quénard Open the ORCID record for David Quénard [Opens in a new window] ,
Izaskun Jiménez-Serra ,
Serena Viti  and
Jonathan Holdship Open the ORCID record for Jonathan Holdship [Opens in a new window]
David Quénard
Affiliation:
School of Physics and Astronomy, Queen Mary University of London, Mile End Road, London E1 4NS, UK email: d.quenard@qmul.ac.uk
Izaskun Jiménez-Serra
Affiliation:
School of Physics and Astronomy, Queen Mary University of London, Mile End Road, London E1 4NS, UK email: d.quenard@qmul.ac.uk
Serena Viti
Affiliation:
Department of Physics and Astronomy, University College London, Gower Street, London, WC1E 6BT, UK
Jonathan Holdship
Affiliation:
Department of Physics and Astronomy, University College London, Gower Street, London, WC1E 6BT, UK
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Abstract

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The study of complex organic molecules, and more specifically those of prebiotic interest, is important to understand the chemical richness of star-forming regions. The chemistry of nitrogen bearing molecules such as formamide or methyl isocyanate is poorly constrained. We study different chemical pathways to form and destroy these molecules from both the gas phase and grain surface chemistry. From comparison with observations of four different relevant astrophysical regions, we show that both the gas phase and grain surface chemistry are required to explain the observed abundances of these species.

Keywords

astrochemistrymolecular processesISM: molecules

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