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 …

Statistical methods for exoplanet detection with radial velocities

NC Hara, EB Ford - Annual Review of Statistics and Its …, 2023 - annualreviews.org
Exoplanets can be detected with various observational techniques. Among them, radial
velocity (RV) has the key advantages of revealing the architecture of planetary systems and …

The California Legacy Survey. I. A catalog of 178 planets from precision radial velocity monitoring of 719 nearby stars over three decades

LJ Rosenthal, BJ Fulton, LA Hirsch… - The Astrophysical …, 2021 - iopscience.iop.org
We present a high-precision radial velocity (RV) survey of 719 FGKM stars, which host 164
known exoplanets and 14 newly discovered or revised exoplanets and substellar …

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 …

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 …

A candidate short-period sub-Earth orbiting Proxima Centauri

JP Faria, AS Mascareño, P Figueira, AM Silva… - Astronomy & …, 2022 - aanda.org
Context. Proxima Centauri is the closest star to the Sun. This small, low-mass, mid M dwarf is
known to host an Earth-mass exoplanet with an orbital period of 11.2 days within the …

juliet: a versatile modelling tool for transiting and non-transiting exoplanetary systems

N Espinoza, D Kossakowski… - Monthly Notices of the …, 2019 - academic.oup.com
Here we present juliet, a versatile tool for the analysis of transits, radial velocities, or both.
juliet is built over many available tools for the modelling of transits, radial velocities, and …

A temperate rocky super-Earth transiting a nearby cool star

JA Dittmann, JM Irwin, D Charbonneau, X Bonfils… - Nature, 2017 - nature.com
M dwarf stars, which have masses less than 60 per cent that of the Sun, make up 75 per cent
of the population of the stars in the Galaxy. The atmospheres of orbiting Earth-sized planets …

Mass–radius relation for rocky planets based on PREM

L Zeng, DD Sasselov, SB Jacobsen - The Astrophysical Journal, 2016 - iopscience.iop.org
Several small dense exoplanets are now known, inviting comparisons to Earth and Venus.
Such comparisons require translating their masses and sizes to composition models of …

pyaneti – II. A multidimensional Gaussian process approach to analysing spectroscopic time-series

O Barragán, S Aigrain, VM Rajpaul… - Monthly Notices of the …, 2022 - academic.oup.com
The two most successful methods for exoplanet detection rely on the detection of planetary
signals in photometric and radial velocity time-series. This depends on numerical …