Gaussian process regression for astronomical time series

S Aigrain, D Foreman-Mackey - Annual Review of Astronomy …, 2023 - annualreviews.org
The past two decades have seen a major expansion in the availability, size, and precision of
time-domain data sets in astronomy. Owing to their unique combination of flexibility …

Stellar obliquities in exoplanetary systems

SH Albrecht, RI Dawson, JN Winn - Publications of the …, 2022 - iopscience.iop.org
The rotation of a star and the revolutions of its planets are not necessarily aligned. This
article reviews the measurement techniques, key findings, and theoretical interpretations …

The Nature and Origins of Sub‐Neptune Size Planets

JL Bean, SN Raymond, JE Owen - Journal of Geophysical …, 2021 - Wiley Online Library
Planets intermediate in size between the Earth and Neptune, and orbiting closer to their host
stars than Mercury does the Sun, are the most common type of planet revealed by exoplanet …

[HTML][HTML] A resonant sextuplet of sub-Neptunes transiting the bright star HD 110067

R Luque, HP Osborn, A Leleu, E Pallé, A Bonfanti… - Nature, 2023 - nature.com
Planets with radii between that of the Earth and Neptune (hereafter referred to as 'sub-
Neptunes') are found in close-in orbits around more than half of all Sun-like stars,. However …

Transit detection of the long-period volatile-rich super-Earth ν2 Lupi d with CHEOPS

L Delrez, D Ehrenreich, Y Alibert, A Bonfanti… - Nature …, 2021 - nature.com
Exoplanets transiting bright nearby stars are key objects for advancing our knowledge of
planetary formation and evolution. The wealth of photons from the host star gives detailed …

Hidden water in magma ocean exoplanets

C Dorn, T Lichtenberg - The Astrophysical Journal Letters, 2021 - iopscience.iop.org
We demonstrate that the deep volatile storage capacity of magma oceans has significant
implications for the bulk composition, interior, and climate state inferred from exoplanet mass …

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 …

Analysis of Early Science observations with the CHaracterising ExOPlanets Satellite (CHEOPS) using pycheops

PFL Maxted, D Ehrenreich, TG Wilson… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT CHEOPS (CHaracterising ExOPlanet Satellite) is an ESA S-class mission that
observes bright stars at high cadence from low-Earth orbit. The main aim of the mission is to …

SWEET-Cat 2.0: The Cat just got SWEETer-Higher quality spectra and precise parallaxes from Gaia eDR3

SG Sousa, V Adibekyan, E Delgado-Mena… - Astronomy & …, 2021 - aanda.org
Aims. The catalog of Stars With ExoplanETs (SWEET-Cat) was originally introduced in 2013.
Since then many more exoplanets have been confirmed, increasing significantly the number …

Two warm Neptunes transiting HIP 9618 revealed by TESS and Cheops

HP Osborn, G Nowak, G Hébrard… - Monthly Notices of …, 2023 - academic.oup.com
ABSTRACT HIP 9618 (HD 12572, TOI-1471, TIC 306263608) is a bright (G= 9.0 mag) solar
analogue. TESS photometry revealed the star to have two candidate planets with radii of …