Phosphorus related species are not known to be as omnipresent in space as hydrogen, carbon, nitrogen, oxygen, and sulfur-bearing species. Astronomers spotted very few P-bearing molecules in the interstellar medium […]
astro-ph.GA]
Posted inAstrochemistry
Detection of Interstellar H2CCCHC3N
The chemical pathways linking the small organic molecules commonly observed in molecular clouds to the large, complex, polycyclic species long-suspected to be carriers of the ubiquitous unidentified infrared emission bands […]
Posted inAstrochemistry
Physics and Chemistry on the Surface of Cosmic Dust Grains: A Laboratory View
Dust grains play a central role in the physics and chemistry of cosmic environments. They influence the optical and thermal properties of the medium due to their interaction with stellar […]
Posted inAstrochemistry
Discovery of the Pure Polycyclic Aromatic Hydrocarbon Indene (c-C9H8) with GOTHAM Observations of TMC-1
Polycyclic Aromatic Hydrocarbons (PAHs) have long been invoked in the study of interstellar and protostellar sources, but the unambiguous identification of any individual PAH has proven elusive until very recently. […]
Posted inAstrochemistry
O-bearing Complex Organic Molecules At The Cyanopolyyne Peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3
We report the detection of the oxygen-bearing complex organic molecules propenal (C2H3CHO), vinyl alcohol (C2H3OH), methyl formate (HCOOCH3), and dimethyl ether (CH3OCH3) toward the cyanopolyyne peak of the starless core […]
Posted inAstrochemistry
Thiols In The ISM: First Detection Of HC(O)SH And Confirmation Of C2H5SH
The chemical compounds carrying the thiol group (-SH) have been considered essential in recent prebiotic studies regarding the polymerization of amino acids. We have searched for this kind of compounds […]
Posted inAstrochemistry
Detection of Complex Organic Molecules in Young Starless Core L1521E
Determining the level of chemical complexity within dense starless and gravitationally bound prestellar cores is crucial for constructing chemical models, which subsequently constrain the initial chemical conditions of star formation. […]
Posted inAstrochemistry
Isocyanic Acid (HNCO) In The Hot Molecular Core G331.512-0.103: Observations and Chemical Modelling
Isocyanic acid (HNCO) is a simple molecule with a potential to form prebiotic and complex organic species. Using a spectral survey collected with the Atacama Pathfinder EXperiment (APEX), in this […]
Posted inAstrochemistry
The Origin Of The E/Z Isomer Ratio Of Imines In The Interstellar Medium
Recent astronomical observations of both isomers E and Z of imines such as cyanomethanimine, ethanimine and 2-propyn-1-imine, have revealed that the abundances in the ISM of these isomers differ by […]
Posted inAstrochemistry
Formation Of Complex Organic Molecules In Molecular Clouds: Acetaldehyde, Vinyl Alcohol, Ketene, and Ethanol via the "Energetic" Processing Of C2H2 Ice
The simultaneous detection of organic molecules of the form C2HnO, such as ketene (CH2CO), acetaldehyde (CH3CHO), and ethanol (CH3CH2OH), toward early star-forming regions offers hints of shared chemical history. Several […]