Statistical methods for exoplanet detection with radial velocities
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 …
velocity (RV) has the key advantages of revealing the architecture of planetary systems and …
Small-scale dynamos: from idealized models to solar and stellar applications
M Rempel, T Bhatia, L Bellot Rubio… - Space Science …, 2023 - Springer
In this article we review small-scale dynamo processes that are responsible for magnetic
field generation on scales comparable to and smaller than the energy carrying scales of …
field generation on scales comparable to and smaller than the energy carrying scales of …
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 …
known to host an Earth-mass exoplanet with an orbital period of 11.2 days within the …
A compositional link between rocky exoplanets and their host stars
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 …
grow from the same material, theory predicts that there should be a relationship between …
Vanadium oxide and a sharp onset of cold-trapping on a giant exoplanet
The abundance of refractory elements in giant planets can provide key insights into their
formation histories. Owing to the low temperatures of the Solar System giants, refractory …
formation histories. Owing to the low temperatures of the Solar System giants, refractory …
The occurrence rate of giant planets orbiting low-mass stars with TESS
We present a systematic search for transiting giant planets () orbiting nearby low-mass stars
(). The formation of giant planets around low-mass stars is predicted to be rare by the core …
(). The formation of giant planets around low-mass stars is predicted to be rare by the core …
Radial-velocity discovery of a second planet in the TOI-1338/BEBOP-1 circumbinary system
MR Standing, L Sairam, DV Martin, AHMJ Triaud… - Nature …, 2023 - nature.com
Circumbinary planets, those that orbit around both stars of a central binary star system,
challenge our understanding of planet formation. With only 12 binary systems known to host …
challenge our understanding of planet formation. With only 12 binary systems known to host …
Retrieval survey of metals in six ultrahot Jupiters: trends in chemistry, rain-out, ionization, and atmospheric dynamics
S Gandhi, A Kesseli, Y Zhang, A Louca… - The Astronomical …, 2023 - iopscience.iop.org
Ground-based high-resolution spectroscopy (HRS) has detected numerous chemical
species and atmospheric dynamics in exoplanets, most notably ultrahot Jupiters (UHJs) …
species and atmospheric dynamics in exoplanets, most notably ultrahot Jupiters (UHJs) …
Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley
We report on precise Doppler measurements of L231-32 (TOI-270), a nearby M dwarf (d= 22
pc, M⋆= 0.39 M⊙, R⋆= 0.38 R⊙), which hosts three transiting planets that were recently …
pc, M⋆= 0.39 M⊙, R⋆= 0.38 R⊙), which hosts three transiting planets that were recently …
Warm terrestrial planet with half the mass of Venus transiting a nearby star
ODS Demangeon, MRZ Osorio, Y Alibert… - Astronomy & …, 2021 - aanda.org
In recent years, the advent of a new generation of radial velocity instruments has allowed us
to detect planets with increasingly lower mass and to break the one Earth-mass barrier. Here …
to detect planets with increasingly lower mass and to break the one Earth-mass barrier. Here …