Thermal Desorption of Carbon Monoxide from Model Interstellar Ice Surfaces: Revealing Surface Heterogeneity

Skandar Taj; Martin R. S. McCoustra

doi:10.1093/mnras/staa2372

Thermal Desorption of Carbon Monoxide from Model Interstellar Ice Surfaces: Revealing Surface Heterogeneity

Skandar Taj, Martin R. S. McCoustra

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Abstract

Temperature programmed desorption has been used to probe the distribution of binding energies of carbon monoxide (CO) to molecular solid thin films of astrophysical relevance. Measurements are reported for solid water (both compact amorphous solid water and crystalline water), ammonia, and methanol surfaces. Binding energy distributions and optimized pre-exponential factors based on the inversion method are tabulated. These are compared to existing data on these systems and astrophysical conclusions drawn.

Original language	English
Pages (from-to)	1693-1699
Number of pages	7
Journal	Monthly Notices of the Royal Astronomical Society
Volume	498
Issue number	2
Early online date	3 Sept 2020
DOIs	https://doi.org/10.1093/mnras/staa2372
Publication status	Published - Oct 2020

Keywords

astrochemistry
methods: Laboratory: Solid state
solid state: Volatile

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1093/mnras/staa2372

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Thermal Desorption of Carbon Monoxide from Model Interstellar Ice Surfaces: Revealing Surface Heterogeneity

Abstract

Keywords

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