Density, not radius, separates rocky and water-rich small planets orbiting M dwarf stars
R Luque, E Pallé - Science, 2022 - science.org
Exoplanets smaller than Neptune are common around red dwarf stars (M dwarfs), with those
that transit their host star constituting the bulk of known temperate worlds amenable for …
that transit their host star constituting the bulk of known temperate worlds amenable for …
The CARMENES search for exoplanets around M dwarfs-Planet occurrence rates from a subsample of 71 stars
Context. The CARMENES exoplanet survey of M dwarfs has obtained more than 18 000
spectra of 329 nearby M dwarfs over the past five years as part of its guaranteed time …
spectra of 329 nearby M dwarfs over the past five years as part of its guaranteed time …
Habitability and biosignatures of Hycean worlds
N Madhusudhan, AAA Piette… - The Astrophysical …, 2021 - iopscience.iop.org
We investigate a new class of habitable planets composed of water-rich interiors with
massive oceans underlying H 2-rich atmospheres, referred to here as Hycean worlds. With …
massive oceans underlying H 2-rich atmospheres, referred to here as Hycean worlds. With …
The Gaia–Kepler Stellar Properties Catalog. II. Planet radius demographics as a function of stellar mass and age
TA Berger, D Huber, E Gaidos… - The Astronomical …, 2020 - iopscience.iop.org
Studies of exoplanet demographics require large samples and precise constraints on
exoplanet host stars. Using the homogeneous Kepler stellar properties derived using the …
exoplanet host stars. Using the homogeneous Kepler stellar properties derived using the …
A review of planetary systems around HD 99492, HD 147379, and HD 190007 with HARPS-N
Context. The Rocky Planet Search (RPS) program is dedicated to a blind radial velocity (RV)
search of planets around bright stars in the northern hemisphere, using the high-resolution …
search of planets around bright stars in the northern hemisphere, using the high-resolution …
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 …
Two temperate super-Earths transiting a nearby late-type M dwarf
Context. In the age of JWST, temperate terrestrial exoplanets transiting nearby late-type M
dwarfs provide unique opportunities for characterising their atmospheres, as well as …
dwarfs provide unique opportunities for characterising their atmospheres, as well as …
A pair of sub-Neptunes transiting the bright K-dwarf TOI-1064 characterized with CHEOPS
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 …
dwarf TOI-1064 (TIC 79748331), initially detected in the Transiting Exoplanet Survey …
Microarcsecond Astrometry: Science Highlights from Gaia
AGA Brown - Annual Review of Astronomy and Astrophysics, 2021 - annualreviews.org
Access to microarcsecond astrometry is now routine in the radio, infrared (IR), and optical
domains. In particular, the publication of the second data release (Gaia DR2) from the Gaia …
domains. In particular, the publication of the second data release (Gaia DR2) from the Gaia …