Enriching inner discs and giant planets with heavy elements

B Bitsch, J Mah - Astronomy & Astrophysics, 2023 - aanda.org
Giant exoplanets seem to have on average a much higher heavy-element content than the
Solar System giants. Past attempts to explain this heavy-element content include collisions …

Composition of giant planets: The roles of pebbles and planetesimals

C Danti, B Bitsch, J Mah - Astronomy & Astrophysics, 2023 - aanda.org
One of the current challenges of planet formation theory is to explain the enrichment of
observed exoplanetary atmospheres. While past studies have focused on scenarios where …

GASTLI-An open-source coupled interior–atmosphere model to unveil gas-giant composition

L Acuña, L Kreidberg, M Zhai, P Mollière - Astronomy & Astrophysics, 2024 - aanda.org
The metal mass fractions of gas giants are a powerful tool for constraining their formation
mechanisms and evolution. The metal content is inferred by comparing mass and radius …

The Roasting Marshmallows Program with IGRINS on Gemini South. II. WASP-121 b has Superstellar C/O and Refractory-to-volatile Ratios

PCB Smith, JA Sanchez, MR Line… - The Astronomical …, 2024 - iopscience.iop.org
A primary goal of exoplanet science is to measure the atmospheric composition of gas
giants in order to infer their formation and migration histories. Common diagnostics for …

Metallicity and spectral evolution of WASP 39b: The limited role of hydrodynamic escape

AJ Louca, Y Miguel, D Kubyshkina - The Astrophysical Journal …, 2023 - iopscience.iop.org
The recent observations on WASP-39 b by JWST have revealed hints of high metallicity
within the atmosphere compared to its host star. There are various theories on how these …

Breaking degeneracies in exoplanetary parameters through self-consistent atmosphere–interior modelling

C Wilkinson, B Charnay, S Mazevet… - Astronomy & …, 2024 - aanda.org
Context. With a new generation of observational instruments largely dedicated to exoplanets
(ie JWST, ELTs, PLATO, and Ariel) providing atmospheric spectra and mass and radius …

Giant exoplanet composition-The impact of the hydrogen–helium equation of state and interior structure

S Howard, R Helled, S Müller - Astronomy & Astrophysics, 2025 - aanda.org
Context. Revealing the internal composition and structure of giant planets is fundamental for
understanding planetary formation. However, the bulk composition can only be inferred …

Radio observations as an extrasolar planet discovery and characterization: interior structure and habitability

TJW Lazio - arxiv preprint arxiv:2404.12348, 2024 - arxiv.org
Detection of radio emission from Jupiter was identified quickly as being due to its planetary-
scale magnetic field. Subsequent spacecraft investigations have revealed that many of the …

An open-source coupled interior–atmosphere model to unveil gas-giant composition

L Acuña, L Kreidberg, M Zhai, P Mollière - 2024 - aanda.org
The metal mass fractions of gas giants are a powerful tool for constraining their formation
mechanisms and evolution. The metal content is inferred by comparing mass and radius …

Interiors of giant planets: from Juno to Plato

S Howard - 2023 - theses.hal.science
Studying the interiors of planets is essential to gain profound comprehension of the
processes that drive planetary formation. The present internal structures of planets reflect …