Study of the photon-induced formation and subsequent desorption of CH3OH and H2CO in interstellar ice analogs

2016/02/16 by R. Martín-Doménech, G. M. Muñoz Caro, G. A. Cruz-Díaz · 1 citation
Earth and Planetary Sciences · Physics and Astronomy · #Analytical Chemistry (journal) #Astro and Planetary Science #Astrochemistry #Astrophysics and Star Formation Studies #Atmospheric Ozone and Climate #Desorption #Formaldehyde #Interstellar ice #Methanol #Quadrupole mass analyzer #Sublimation (psychology) #Thermal desorption #astro-ph.GA #astro-ph.SR

paper · pdf · doi:10.1051/0004-6361/201528025

published as A&A 589, A107 (2016)

openalex publication_date 2016/02/16 · arxiv created 2016/03/16 · arxiv updated 2016/04/20 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Context. Methanol and formaldehyde are two simple organic molecules that are ubiquitously detected in the interstellar medium, in both the solid and gaseous phases. An origin in the solid phase and a subsequent nonthermal desorption into the gas phase is often invoked to explain their abundances in some of the environments where they are found. Experimental simulations under astrophysically relevant conditions have been carried out in the past four decades in order to find a suitable mechanism for that process.

Citations

• CO ICE PHOTODESORPTION: A WAVELENGTH-DEPENDENT STUDY
• Probing Pre‐Protostellar Cores with Formaldehyde
• Complex Chemistry in Star‐forming Regions: An Expanded Gas‐Grain Warm‐up Chemical Model
• One possible origin of ethanol in interstellar medium: Photochemistry of mixed CO2–C2H6 films at 11K. A FTIR study
• Observations of the Icy Universe
• H_{\mathsf 2}CO and CH_{\mathsf 3}OH maps of the Orion Bar photodissociation region
• Non-thermal desorption from interstellar dust grains via exothermic surface reactions
• Complex Organic Interstellar Molecules

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• The efficient photodesorption of nitric oxide (NO) ices A laboratory astrophysics study