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 …

Interpreting the atmospheric composition of exoplanets: sensitivity to planet formation assumptions

P Mollière, T Molyarova, B Bitsch… - The Astrophysical …, 2022 - iopscience.iop.org
Constraining planet formation based on the atmospheric composition of exoplanets is a
fundamental goal of the exoplanet community. Existing studies commonly try to constrain …

Bifurcation of planetary building blocks during Solar System formation

T Lichtenberg, J Dra̧żkowska, M Schönbächler… - Science, 2021 - science.org
Geochemical and astronomical evidence demonstrates that planet formation occurred in two
spatially and temporally separated reservoirs. The origin of this dichotomy is unknown. We …

Planet formation theory in the era of ALMA and Kepler: from pebbles to exoplanets

J Drazkowska, B Bitsch, M Lambrechts… - arXiv preprint arXiv …, 2022 - arxiv.org
Our understanding of planet formation has been rapidly evolving in recent years. The
classical planet formation theory, developed when the only known planetary system was our …

Retrieving scattering clouds and disequilibrium chemistry in the atmosphere of HR 8799e

P Mollière, T Stolker, S Lacour, G Otten… - Astronomy & …, 2020 - aanda.org
Context. Clouds are ubiquitous in exoplanet atmospheres and they represent a challenge
for the model interpretation of their spectra. When generating a large number of model …

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 …

Four annular structures in a protostellar disk less than 500,000 years old

DM Segura-Cox, A Schmiedeke, JE Pineda… - Nature, 2020 - nature.com
Annular structures (rings and gaps) in disks around pre-main-sequence stars have been
detected in abundance towards class II protostellar objects that are approximately 1,000,000 …

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 …

Beyond equilibrium temperature: how the atmosphere/interior connection affects the onset of methane, ammonia, and clouds in warm transiting giant planets

JJ Fortney, C Visscher, MS Marley… - The Astronomical …, 2020 - iopscience.iop.org
The atmospheric pressure–temperature profiles for transiting giant planets cross a range of
chemical transitions. Here we show that the particular shapes of these irradiated profiles for …