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 …

Observations of exoplanet atmospheres

IJM Crossfield - Publications of the Astronomical Society of the …, 2015 - iopscience.iop.org
Detailed characterization of an extrasolar planet's atmosphere provides the best hope for
distinguishing the makeup of its outer layers, and the only hope for understanding the …

Five carbon-and nitrogen-bearing species in a hot giant planet's atmosphere

P Giacobbe, M Brogi, S Gandhi, PE Cubillos… - Nature, 2021 - nature.com
The atmospheres of gaseous giant exoplanets orbiting close to their parent stars (hot
Jupiters) have been probed for nearly two decades,. They allow us to investigate the …

Fast and scalable Gaussian process modeling with applications to astronomical time series

D Foreman-Mackey, E Agol… - The Astronomical …, 2017 - iopscience.iop.org
The growing field of large-scale time domain astronomy requires methods for probabilistic
data analysis that are computationally tractable, even with large data sets. Gaussian …

Five key exoplanet questions answered via the analysis of 25 hot-Jupiter atmospheres in eclipse

Q Changeat, B Edwards, AF Al-Refaie… - The Astrophysical …, 2022 - iopscience.iop.org
Population studies of exoplanets are key to unlocking their statistical properties. So far, the
inferred properties have been mostly limited to planetary, orbital, and stellar parameters …

An isolated mass-gap black hole or neutron star detected with astrometric microlensing

CY Lam, JR Lu, A Udalski, I Bond… - The Astrophysical …, 2022 - iopscience.iop.org
We present the analysis of five black hole candidates identified from gravitational
microlensing surveys. Hubble Space Telescope astrometric data and densely sampled light …

A continuum from clear to cloudy hot-Jupiter exoplanets without primordial water depletion

DK Sing, JJ Fortney, N Nikolov, HR Wakeford, T Kataria… - Nature, 2016 - nature.com
Thousands of transiting exoplanets have been discovered, but spectral analysis of their
atmospheres has so far been dominated by a small number of exoplanets and data …

Inferring probabilistic stellar rotation periods using Gaussian processes

R Angus, T Morton, S Aigrain… - Monthly Notices of …, 2018 - academic.oup.com
Variability in the light curves of spotted, rotating stars is often non-sinusoidal and quasi-
periodic–spots move on the stellar surface and have finite lifetimes, causing stellar flux …

A consistent retrieval analysis of 10 hot Jupiters observed in transmission

JK Barstow, S Aigrain, PGJ Irwin… - The Astrophysical …, 2016 - iopscience.iop.org
We present a consistent optimal estimation retrieval analysis of 10 hot Jupiter exoplanets,
each with transmission spectral data spanning the visible to near-infrared wavelength range …

Observability of signatures of transport-induced chemistry in clear atmospheres of hot gas giant exoplanets

M Zamyatina, E Hébrard, B Drummond… - Monthly Notices of …, 2023 - academic.oup.com
Transport-induced quenching, ie the homogenization of chemical abundances by
atmospheric advection, is thought to occur in the atmospheres of hot gas giant exoplanets …