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Desorption of volatile molecules from the surface of interstellar carbonaceous dust analogs

Published online by Cambridge University Press:  12 October 2020

Víctor J. Herrero Open the ORCID record for Víctor J. Herrero [Opens in a new window] ,
Belén Maté ,
Isabel Tanarro ,
Miguel Jiménez-Redondo ,
Ramón J. Peláez  and
Rafael Escribano
Víctor J. Herrero
Affiliation:
Instituto de Estructura de la Materia (IEM-CSIC), Serrano 121-123, 28006, Madrid, Spain, email: v.herrero@csic.es
Belén Maté
Affiliation:
Instituto de Estructura de la Materia (IEM-CSIC), Serrano 121-123, 28006, Madrid, Spain, email: v.herrero@csic.es
Isabel Tanarro
Affiliation:
Instituto de Estructura de la Materia (IEM-CSIC), Serrano 121-123, 28006, Madrid, Spain, email: v.herrero@csic.es
Miguel Jiménez-Redondo
Affiliation:
Instituto de Estructura de la Materia (IEM-CSIC), Serrano 121-123, 28006, Madrid, Spain, email: v.herrero@csic.es
Ramón J. Peláez
Affiliation:
Instituto de Estructura de la Materia (IEM-CSIC), Serrano 121-123, 28006, Madrid, Spain, email: v.herrero@csic.es
Rafael Escribano
Affiliation:
Instituto de Estructura de la Materia (IEM-CSIC), Serrano 121-123, 28006, Madrid, Spain, email: v.herrero@csic.es
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Abstract

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The desorption of volatile molecules from dust grains in cold dense clouds is crucial for the chemical inventory in the various stages of cloud collapse. In this work we investigate the desorption of N2, CO, CH4 and CO2 from surfaces of hydrogenated amorphous carbon (HAC), which, according to IR observations, is one of the main components of interstellar dust.

Keywords

AstrochemistryISM:dustISM:molecules
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S350: Laboratory Astrophysics: From Observations to Interpretation , April 2019 , pp. 377 - 378
Copyright
© International Astronomical Union 2020

References

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