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 CARMENES search for exoplanets around M dwarfs-Guaranteed time observations Data Release 1 (2016-2020)
I Ribas, A Reiners, M Zechmeister… - Astronomy & …, 2023 - aanda.org
Context. The CARMENES instrument, installed at the 3.5 m telescope of the Calar Alto
Observatory in Almería, Spain, was conceived to deliver high-accuracy radial velocity (RV) …
Observatory in Almería, Spain, was conceived to deliver high-accuracy radial velocity (RV) …
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 …
RV-detected planets around M dwarfs: Challenges for core accretion models
Context. Planet formation is sensitive to the conditions in protoplanetary disks, for which
scaling laws as a function of stellar mass are known. Aims. We aim to test whether the …
scaling laws as a function of stellar mass are known. Aims. We aim to test whether the …
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 …
SPECULOOS: Ultracool dwarf transit survey-Target list and strategy
Context. One of the most promising avenues for the detailed study of temperate Earth-sized
exoplanets is the detection of such planets in transit in front of stars that are small and near …
exoplanets is the detection of such planets in transit in front of stars that are small and near …
The CARMENES M-dwarf planet survey
A Quirrenbach… - Ground-based and …, 2020 - spiedigitallibrary.org
The CARMENES instrument consists of two cross-dispersed´ echelle spectrographs, which
together cover the wavelength range from 5,200 to 17,100˚ A. During its first five years of …
together cover the wavelength range from 5,200 to 17,100˚ A. During its first five years of …
A more precise mass for GJ 1214 b and the frequency of multiplanet systems around mid-M dwarfs
R Cloutier, D Charbonneau, D Deming… - The Astronomical …, 2021 - iopscience.iop.org
We present an intensive effort to refine the mass and orbit of the enveloped terrestrial planet
GJ 1214 b using 165 radial velocity (RV) measurements taken with the HARPS …
GJ 1214 b using 165 radial velocity (RV) measurements taken with the HARPS …