Astrochemistry and compositions of planetary systems

KI Öberg, EA Bergin - Physics Reports, 2021 - Elsevier
Planets form and obtain their compositions in disks of gas and dust around young stars. The
chemical compositions of these planet-forming disks regulate all aspects of planetary …

Photochemically produced SO2 in the atmosphere of WASP-39b

SM Tsai, EKH Lee, D Powell, P Gao, X Zhang, J Moses… - Nature, 2023 - nature.com
Photochemistry is a fundamental process of planetary atmospheres that regulates the
atmospheric composition and stability. However, no unambiguous photochemical products …

Sulfur ice astrochemistry: A review of laboratory studies

DV Mifsud, Z Kaňuchová, P Herczku, S Ioppolo… - Space Science …, 2021 - Springer
Sulfur is the tenth most abundant element in the universe and is known to play a significant
role in biological systems. Accordingly, in recent years there has been increased interest in …

Ingredients for solar-like systems: protostar IRAS 16293-2422 B versus comet 67P/Churyumov–Gerasimenko

MN Drozdovskaya, EF van Dishoeck… - Monthly Notices of …, 2019 - academic.oup.com
ABSTRACT Our modern day Solar System has 4.6× 109 yr of evolution behind it with just a
few relics of its birth conditions remaining. Comets are thought to be some of the most …

Gas phase Elemental abundances in Molecular cloudS (GEMS)-VII. Sulfur elemental abundance

A Fuente, P Rivière-Marichalar, L Beitia-Antero… - Astronomy & …, 2023 - aanda.org
Context. Gas phase Elemental abundances in molecular CloudS (GEMS) is an IRAM 30-m
Large Program aimed at determining the elemental abundances of carbon (C), oxygen (O) …

Modeling sulfur depletion in interstellar clouds

JC Laas, P Caselli - Astronomy & Astrophysics, 2019 - aanda.org
Context. The elemental depletion of interstellar sulfur from the gas phase has been a
recurring challenge for astrochemical models. Observations show that sulfur remains …

Thiols in the interstellar medium: First detection of HC (O) SH and confirmation of C2H5SH

LF Rodríguez-Almeida, I Jiménez-Serra… - The Astrophysical …, 2021 - iopscience.iop.org
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 …

TMC-1, the starless core sulfur factory: Discovery of NCS, HCCS, H2CCS, H2CCCS, and C4S and detection of C5S

J Cernicharo, C Cabezas, M Agúndez… - Astronomy & …, 2021 - aanda.org
We report the detection of the sulfur-bearing species NCS, HCCS, H 2 CCS, H 2 CCCS, and
C 4 S for the first time in space. These molecules were found towards TMC-1 through the …

Molecules with ALMA at Planet-forming Scales (MAPS). XII. Inferring the C/O and S/H ratios in protoplanetary disks with sulfur molecules

R Le Gal, KI Öberg, R Teague, RA Loomis… - The Astrophysical …, 2021 - iopscience.iop.org
Sulfur-bearing molecules play an important role in prebiotic chemistry and planet
habitability. They are also proposed probes of chemical ages, elemental C/O ratio, and grain …

Hydroxide salts in the clouds of Venus: Their effect on the sulfur cycle and cloud droplet pH

PB Rimmer, S Jordan, T Constantinou… - The Planetary …, 2021 - iopscience.iop.org
The depletion of SO 2 and H 2 O in and above the clouds of Venus (45–65 km) cannot be
explained by known gas-phase chemistry and the observed composition of the atmosphere …