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 …

Protoplanetary disk chemistry

KI Öberg, S Facchini… - Annual Review of …, 2023 - annualreviews.org
Planets form in disks of gas and dust around young stars. The disk molecular reservoirs and
their chemical evolution affect all aspects of planet formation, from the coagulation of dust …

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 …

Tracing the formation history of giant planets in protoplanetary disks with carbon, oxygen, nitrogen, and sulfur

D Turrini, E Schisano, S Fonte, S Molinari… - The Astrophysical …, 2021 - iopscience.iop.org
The composition of giant planets is imprinted by their migration history and the
compositional structure of their hosting disks. Studies in recent literature have investigated …

How drifting and evaporating pebbles shape giant planets-I. Heavy element content and atmospheric C/O

AD Schneider, B Bitsch - Astronomy & Astrophysics, 2021 - aanda.org
Recent observations of extrasolar gas giants suggest super-stellar C/O ratios in planetary
atmospheres, while interior models of observed extrasolar giant planets additionally suggest …

Sulphur monoxide emission tracing an embedded planet in the HD 100546 protoplanetary disk

AS Booth, JD Ilee, C Walsh, M Kama, L Keyte… - Astronomy & …, 2023 - aanda.org
Molecular line observations are powerful tracers of the physical and chemical conditions
across the different evolutionary stages of star, disk, and planet formation. The high angular …

Silicon isotope constraints on terrestrial planet accretion

IJ Onyett, M Schiller, GV Makhatadze, Z Deng… - Nature, 2023 - nature.com
Understanding the nature and origin of the precursor material to terrestrial planets is key to
deciphering the mechanisms and timescales of planet formation. Nucleosynthetic variability …

SO and SiS Emission Tracing an Embedded Planet and Compact 12CO and 13CO Counterparts in the HD 169142 Disk

CJ Law, AS Booth, KI Öberg - The Astrophysical Journal Letters, 2023 - iopscience.iop.org
Planets form in dusty, gas-rich disks around young stars, while at the same time, the planet
formation process alters the physical and chemical structure of the disk itself. Embedded …

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 …

Breaking Degeneracies in Formation Histories by Measuring Refractory Content in Gas Giants

Y Chachan, HA Knutson, J Lothringer… - The Astrophysical …, 2023 - iopscience.iop.org
Relating planet formation to atmospheric composition has been a long-standing goal of the
planetary science community. So far, most modeling studies have focused on predicting the …