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Glycolaldehyde, the simplest monosaccharide sugar, has recently been detected in low- and high-mass star-forming cores. Following on from our previous investigation into glycolaldehyde formation (Woods et al. 2012, ApJ, 750, 19), we now…

Solar and Stellar Astrophysics · Physics 2017-03-15 Paul M. Woods , Ben Slater , Zamaan Raza , Serena Viti , Wendy A. Brown , Daren J. Burke

Glycolaldehyde is a simple monosaccharide sugar linked to prebiotic chemistry. Recently it was detected in a molecular core in the star-forming region G31.41+0.31 at a reasonably high abundance. We investigate the formation of…

Solar and Stellar Astrophysics · Physics 2015-06-04 Paul M. Woods , George Kelly , Serena Viti , Ben Slater , Wendy A. Brown , Fabrizio Puletti , Daren J. Burke , Zamaan Raza

Glycolaldehyde (HCOCH2OH) is the simplest sugar and an important intermediate in the path toward forming more complex biologically relevant molecules. In this paper we present the first detection of 13 transitions of glycolaldehyde around a…

Solar and Stellar Astrophysics · Physics 2015-06-11 Jes K. Jorgensen , Cecile Favre , Suzanne E. Bisschop , Tyler L. Bourke , Ewine F. van Dishoeck , Markus Schmalzl

Glycolaldehyde is the simplest of the monosaccharide sugars and is directly linked to the origin of life. We report on the detection of glycolaldehyde (CH2OHCHO) towards the hot molecular core G31.41+0.31 through IRAM PdBI observations at…

Astrophysics · Physics 2019-08-14 M. T. Beltran , C. Codella , S. Viti , R. Neri , R. Cesaroni

Glycolaldehyde (CH$_{2}$OHCHO) is the simplest monosaccharide sugar in the interstellar medium, and it is directly involved in the origin of life via the 'RNA world' hypothesis. We present the first detection of glycolaldehyde…

Astrophysics of Galaxies · Physics 2023-08-29 Arijit Manna , Sabyasachi Pal , Serena Viti , Sekhar Sinha

The formation of complex organic molecules in the interstellar medium (ISM) is central to astrochemistry and prebiotic chemistry, as these species may act as precursors to biomolecules essential for life. Although glyceraldehyde…

Astrophysics of Galaxies · Physics 2025-05-06 Anxo Lema-Saavedra , Antonio Fernández-Ramos , Emilio Martínez-Núñez

Acetaldehyde (CH$_3$CHO) is one of the most detected interstellar Complex Organic Molecule (iCOM) in the interstellar medium (ISM). These species have a potential biological relevance, as they can be precursors of more complex species from…

Astrophysics of Galaxies · Physics 2023-08-15 Jessica Perrero , Piero Ugliengo , Cecilia Ceccarelli , Albert Rimola

Glycolaldehyde (HOCH$_2$CHO) and ethylene glycol ((CH$_2$OH)$_2$) are two complex organic molecules detected in the hot cores and hot corinos of several star-forming regions. The ethylene glycol/glycolaldehyde abundance ratio seems to show…

Solar and Stellar Astrophysics · Physics 2018-02-07 A. Coutens , S. Viti , J. M. C. Rawlings , M. T. Beltrán , J. Holdship , I. Jiménez-Serra , D. Quénard , V. M. Rivilla

Syn-glycolamide, a glycine isomer, has recently been detected in the G+0.693-0.027 molecular cloud. Investigations on its formation in the interstellar medium could offer insights into synthetic routes leading to glycine in prebiotic…

Astrophysics of Galaxies · Physics 2025-04-25 Jessica Perrero , Silvia Alessandrini , Hexu Ye , Cristina Puzzarini , Albert Rimola

Two main formation routes have been proposed for interstellar complex organic molecules (iCOMs): on dust grain surfaces and in the gas phase. Observing such molecules in protostellar outflow shock regions - provided that their ages are…

Solar and Stellar Astrophysics · Physics 2025-10-20 Juliette Robuschi , Ana López-Sepulcre , Cecilia Ceccarelli , Layal Chahine , Claudio Codella , Linda Podio

Interstellar complex organic molecules (iCOMs) are assumed to be mainly formed on dust-grain surfaces. However, neutral gas-phase reactions in the interstellar medium (ISM) can play an important role. In this paper, by investigating the…

Astrophysics of Galaxies · Physics 2020-09-09 F. Tonolo , J. Lupi , C. Puzzarini , V. Barone

Our automated reaction discovery program, AutoMeKin, has been utilized to investigate the formation of glycolonitrile (HOCH$_{2}$CN) in the gas phase under the low temperatures of the interstellar medium (ISM). The feasibility of a proposed…

Glycoaldehyde, ethylene glycol, and methyl formate are complex organic molecules that have been observed in dark molecular clouds. Because there is no efficient gas-phase route to produce these species, it is expected that a low-temperature…

Solar and Stellar Astrophysics · Physics 2020-02-12 M. A. J. Simons , T. Lamberts , H. M. Cuppen

This study focuses on the formation of two molecules of astrobiological importance - glycolaldehyde (HC(O)CH2OH) and ethylene glycol (H2C(OH)CH2OH) - by surface hydrogenation of CO molecules. Our experiments aim at simulating the CO…

Astrophysics of Galaxies · Physics 2017-05-26 Gleb Fedoseev , Herma M. Cuppen , Sergio Ioppolo , Thanja Lamberts , Harold Linnartz

Interstellar formamide (NH2CHO) has recently attracted significant attention due to its potential role as a molecular building block in the formation of precursor biomolecules relevant for the origin of life. Its formation, whether on the…

Earth and Planetary Astrophysics · Physics 2018-10-09 Albert Rimola , Dimitrios Skouteris , Nadia Balucani , Cecilia Ceccarelli , Joan Enrique-Romero , Vianney Taquet , Piero Ugliengo

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 prestellar cores, i.e., cold environments in which thermally…

Solar and Stellar Astrophysics · Physics 2017-06-28 Gleb Fedoseev , Ko-Ju Chuang , Sergio Ioppolo , Danna Qasim , Ewine F. van Dishoeck , Harold Linnartz

New insights into the formation of interstellar formamide, a species of great relevance in prebiotic chemistry, are provided by electronic structure and kinetic calculations for the reaction NH2 + H2CO -> NH2CHO + H. Contrarily to what…

Astrophysics of Galaxies · Physics 2015-08-19 V. Barone , C. Latouche , D. Skouteris , F. Vazart , N. Balucani , C. Ceccarelli , B. Lefloch

Methanol and its precursor formaldehyde are among the most studied organic molecules in the interstellar medium and are abundant in the gaseous and solid phases. We recently developed a model to simulate CO hydrogenation via H atoms on…

Astrophysics of Galaxies · Physics 2015-05-14 H. M. Cuppen , E. F. van Dishoeck , E. Herbst , A. G. G. M. Tielens

Complex Organic Molecules (COMs) have been detected in the interstellar medium (ISM). However, it is not clear whether their synthesis occurs on the icy surfaces of interstellar grains or via a series of gas-phase reactions. As a test case…

Earth and Planetary Astrophysics · Physics 2016-03-31 Joan Enrique-Romero , Albert Rimola , Cecilia Ceccarelli , Nadia Balucani
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