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Detection of the elusive dangling OH ice features at~ 2.7 μm in Chamaeleon I with JWST NIRCam
Ascertaining the morphology and composition of the icy mantles covering dust grains in
dense, cold regions of the interstellar medium is essential to develo** accurate …
dense, cold regions of the interstellar medium is essential to develo** accurate …
Sulphur storage in cold molecular clouds: the case of the NH4+SH- salt on interstellar dust grains
In comets and in the cold phase of the interstellar medium (ISM), ammonium salts are key
molecular species due to their role in the retention of volatile compounds on cold surfaces …
molecular species due to their role in the retention of volatile compounds on cold surfaces …
Comprehensive laboratory constraints on thermal desorption of interstellar ice analogues
Context. Gas accretion and sublimation in various astrophysical conditions are crucial
aspects of our understanding of the chemical evolution of the interstellar medium. To explain …
aspects of our understanding of the chemical evolution of the interstellar medium. To explain …
Binding energies of ethanol and ethylamine on interstellar water ices: synergy between theory and experiments
Experimental and computational chemistry are two disciplines used to conduct research in
astrochemistry, providing essential reference data for both astronomical observations and …
astrochemistry, providing essential reference data for both astronomical observations and …
Astrochemical models of interstellar ices: History matters
Context. Ice is ubiquitous in the interstellar medium. As soon as it becomes slightly opaque
in the visible, it can be seen for visual extinctions (AV) above~ 1.5. The James Webb Space …
in the visible, it can be seen for visual extinctions (AV) above~ 1.5. The James Webb Space …
VIZSLA—Versatile ice zigzag sublimation setup for laboratory astrochemistry
In this article, a new multi-functional high-vacuum astrophysical ice setup, VIZSLA (Versatile
Ice Zigzag Sublimation Setup for Laboratory Astrochemistry), is introduced. The instrument …
Ice Zigzag Sublimation Setup for Laboratory Astrochemistry), is introduced. The instrument …
Ammonia snow lines and ammonium salts desorption
F Kruczkiewicz, J Vitorino, E Congiu, P Theulé… - Astronomy & …, 2021 - aanda.org
Context. The nitrogen reservoir in planetary systems is a long-standing problem. Some of
the N-bearing molecules are probably incorporated into the ice bulk during the cold phases …
the N-bearing molecules are probably incorporated into the ice bulk during the cold phases …
Experimental study of the binding energy of NH3 on different types of ice and its impact on the snow line of NH3 and H2O
Context. Nitrogen-bearing molecules (such as N 2 H+ and NH 3) are excellent tracers of
high-density and low-temperature regions, such as dense cloud cores. Notably, they could …
high-density and low-temperature regions, such as dense cloud cores. Notably, they could …
Unlocking the sulphur chemistry in intermediate-mass protostars of Cygnus X-Connecting the cold and warm chemistry
Context. The chemistry of sulphur-bearing species in the interstellar medium remains poorly
understood, but might play a key role in the chemical evolution of star-forming regions. Aims …
understood, but might play a key role in the chemical evolution of star-forming regions. Aims …
Icy Grain Mantle Surface Astrochemistry of MgNC: The Emergence of Metal Ion Catalysis Studied via Model Ice Cluster Calculations
DE Woon - The Journal of Physical Chemistry A, 2022 - ACS Publications
One of a small number of known magnesium-containing astromolecules, magnesium
isocyanide (MgNC) was first detected in 1986. MgNC is an intriguing reactant to consider: it …
isocyanide (MgNC) was first detected in 1986. MgNC is an intriguing reactant to consider: it …