A compositional link between rocky exoplanets and their host stars

V Adibekyan, C Dorn, SG Sousa, NC Santos, B Bitsch… - Science, 2021 - science.org
Stars and planets both form by accreting material from a surrounding disk. Because they
grow from the same material, theory predicts that there should be a relationship between …

Loss and fractionation of noble gas isotopes and moderately volatile elements from planetary embryos and early Venus, Earth and Mars

H Lammer, M Scherf, H Kurokawa, Y Ueno… - Space Science …, 2020 - Springer
Here we discuss the current state of knowledge on how atmospheric escape processes can
fractionate noble gas isotopes and moderately volatile rock-forming elements that populate …

Revisited mass-radius relations for exoplanets below 120 M⊕

JF Otegi, F Bouchy, R Helled - Astronomy & Astrophysics, 2020 - aanda.org
The masses and radii of exoplanets are fundamental quantities needed for their
characterisation. Studying the different populations of exoplanets is important for …

Host stars and how their compositions influence exoplanets

NR Hinkel, A Youngblood… - … in Mineralogy and …, 2024 - pubs.geoscienceworld.org
Though distant and seemingly unreachable, planets outside the Solar System, or
exoplanets, have captivated the imagination of scientists and stargazers alike. With more …

Framework for the architecture of exoplanetary systems-I. Four classes of planetary system architecture

L Mishra, Y Alibert, S Udry, C Mordasini - Astronomy & Astrophysics, 2023 - aanda.org
We present a novel, model-independent framework for studying the architecture of an
exoplanetary system at the system level. This framework allows us to characterise, quantify …

Cold Jupiters and improved masses in 38 Kepler and K2 small planet systems from 3661 HARPS-N radial velocities-No excess of cold Jupiters in small planet …

AS Bonomo, X Dumusque, A Massa, A Mortier… - Astronomy & …, 2023 - aanda.org
The exoplanet population characterized by relatively short orbital periods (P< 100 d) around
solar-type stars is dominated by super-Earths and sub-Neptunes. However, these planets …

A pair of sub-Neptunes transiting the bright K-dwarf TOI-1064 characterized with CHEOPS

TG Wilson, E Goffo, Y Alibert, D Gandolfi… - Monthly Notices of …, 2022 - academic.oup.com
We report the discovery and characterization of a pair of sub-Neptunes transiting the bright K-
dwarf TOI-1064 (TIC 79748331), initially detected in the Transiting Exoplanet Survey …

One year of AU Mic with HARPS–I. Measuring the masses of the two transiting planets

N Zicher, O Barragán, B Klein, S Aigrain… - Monthly Notices of …, 2022 - academic.oup.com
The system of two transiting Neptune-sized planets around the bright, young M-dwarf AU
Mic provides a unique opportunity to test models of planet formation, early evolution, and …

The nominal ranges of rocky planet masses, radii, surface gravities, and bulk densities

CT Unterborn, SJ Desch, J Haldemann… - The Astrophysical …, 2023 - iopscience.iop.org
The two primary observable quantities of an exoplanet—its mass and radius—alone are not
sufficient to probe a rocky exoplanet's interior composition and mineralogy. To overcome …

The BAyesian STellar algorithm (BASTA): a fitting tool for stellar studies, asteroseismology, exoplanets, and Galactic archaeology

V Aguirre Børsen-Koch, JL Rørsted… - Monthly Notices of …, 2022 - academic.oup.com
We introduce the public version of the BAyesian STellar Algorithm (BASTA), an open-source
code written in Python to determine stellar properties based on a set of astrophysical …