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JOYS: JWST Observations of Young protoStars: Outflows and accretion in the high-mass star-forming region IRAS23385+605
H. Beuther, E. F. van Dishoeck, L. Tychoniec +21
Aims: The JWST program JOYS (JWST Observations of Young protoStars) aims at characterizing the physical and chemical properties of young high- and low-mass star-forming regions, in…
The prebiotic molecular inventory of Serpens SMM1 I. An investigation of the isomers CHNCO and HOCHCN
N. F. W. Ligterink, A. Ahmadi, A. Coutens +6
Methyl isocyanate (CHNCO) and glycolonitrile (HOCHCN) are isomers and prebiotic molecules that are involved in the formation of peptide structures and the nucleobase ad…
Complex organic molecules in low-mass protostars on solar system scales -- I. Oxygen-bearing species
M. L. van Gelder, B. Tabone, Ł. Tychoniec +8
Complex organic molecules (COMs) are thought to form on icy dust grains in the earliest phase of star formation. The evolution of these COMs from the youngest Class 0/I protostella…
An experimental study of the surface formation of methane in interstellar molecular clouds
D. Qasim, G. Fedoseev, K. -J. Chuang +4
Methane is one of the simplest stable molecules that is both abundant and widely distributed across space. It is thought to have partial origin from interstellar molecular clouds,…
The formation of peptide-like molecules on interstellar dust grains
N. F. W. Ligterink, J. Terwisscha van Scheltinga, V. Taquet +4
Molecules with an amide functional group resemble peptide bonds, the molecular bridges that connect amino acids, and may thus be relevant in processes that lead to the formation of…
Formation of Glycerol through Hydrogenation of CO ice under Prestellar Core Conditions
Gleb Fedoseev, Ko-Ju Chuang, Sergio Ioppolo +3
Observational studies reveal that complex organic molecules (COMs) can be found in various objects associated with different star formation stages. The identification of COMs in pr…
Anomalous CO2 Ice Toward HOPS-68: A Tracer of Protostellar Feedback
Charles A. Poteet, Klaus M. Pontoppidan, S. Thomas Megeath +5
We report the detection of a unique CO2 ice band toward the deeply embedded, low-mass protostar HOPS-68. Our spectrum, obtained with the Infrared Spectrograph onboard the Spitzer S…
Water formation at low temperatures by surface O2 hydrogenation II: the reaction network
H. M. Cuppen, S. Ioppolo, C. Romanzin +1
Water is abundantly present in the Universe. It is the main component of interstellar ice mantles and a key ingredient for life. Water in space is mainly formed through surface rea…
Water formation at low temperatures by surface O2 hydrogenation I: characterization of ice penetration
S. Ioppolo, H. M. Cuppen, C. Romanzin +2
Water is the main component of interstellar ice mantles, is abundant in the solar system and is a crucial ingredient for life. The formation of this molecule in the interstellar me…
Hydrogenation reactions in interstellar CO ice analogues
G. W. Fuchs, H. M. Cuppen, S. Ioppolo +5
Hydrogenation reactions of CO in inter- and circumstellar ices are regarded as an important starting point in the formation of more complex species. Previous laboratory measurement…