Acetone (CH3COCH3) is a ubiquitous interstellar molecule, and serves as an important tracer of hot core chemistry. We conducted a line survey of acetone and its precursor acetaldehyde (CH3CHO) towards […]
Acetaldehyde
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Status Report
Astrochemistry: A Gas-phase “Top-down” Chemical Link Between Aldehydes And Alcohols
Alcohols and aldehydes represent two key classes of interstellar complex organic molecules (COMs). This work seeks to better understand their possible chemical connections, with a focus on such molecules in […]
Posted inAstrochemistry, Astrogeology, Enceladus, Icy Worlds, Imaging & Spectroscopy, Radiation, Saturn, Status Report
Water-group Ion Irradiation Studies Of Enceladus Ice Analogues: Can Radiolysis Account For Material In And Around The South Polar Plume?
Saturn’s magnetosphere contains trapped plasma and energetic charged particles which constantly irradiate the surface of Enceladus.
Posted inAstrochemistry, Astronomy & Telescopes, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Interstellar, Origin & Evolution of Life, Press Release
Building Blocks Of Life Located In Ice Around A Forming Star In A Neighboring Galaxy
In a discovery that could reshape our understanding of how the chemical ingredients for life spread throughout the cosmos, astronomers detected organic molecules with more than six atoms frozen in […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Press Release
The Robust Detection And Spatial Distribution Of Acetaldehyde In Orion KL: ALMA Observations And Chemical Modeling
Despite the organic molecule inventory detected in Orion KL, acetaldehyde (CH3CHO) — one of the most ubiquitous interstellar aldehydes — has not been firmly identified with mm-wave interferometry.
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Intelligence & Language, Interstellar, Status Report
Detection of Thioacetaldehyde (CH3CHS) in TMC-1: Sulfur-oxygen Differentiation Along The Hydrogenation Sequence
In recent years the chemistry of sulfur in the interstellar medium has experienced a renewed interest due to the detection of a large variety of molecules containing sulfur.
Posted inAstrochemistry, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Status Report
Formation of N-bearing Complex Organic Molecules in Molecular Clouds: Ketenimine, Acetonitrile, Acetaldimine, and Vinylamine via the UV Photolysis of C2H2 Ice
The solid-state C2H2 chemistry in interstellar H2O-rich ice has been proposed to explain astronomically observed complex organic molecules (COMs), including ketene (CH2CO), acetaldehyde (CH3CHO), and ethanol (CH3CH2OH), toward early star-forming […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Interstellar, Press Release
Webb Telescope Finds A Wide Variety of Organic Molecules Surrounding Early-stage Protostars
An international team of astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered a variety of molecules, ranging from relatively simple ones like methane to complex compounds like acetic […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Interstellar, Status Report
Spin-Forbidden Formation of Amide Molecules in the Interstellar Medium
In this study, two-state spin-forbidden mechanisms are proposed for the barrierless formation of amide isomers in the C2H5NO family of molecules. This family belongs to the first level of complexity […]
Posted inAstrochemistry
Astrochemistry at Work in the L1157-B1 Shock: Acetaldehyde Formation
The formation of complex organic molecules (COMs) in protostellar environments is a hotly debated topic. In particular, the relative importance of the gas phase processes as compared to a direct […]