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) …

RV-detected planets around M dwarfs: Challenges for core accretion models

M Schlecker, R Burn, S Sabotta, A Seifert… - Astronomy & …, 2022 - aanda.org
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 …

One year of AU Mic with HARPS–I. Measuring the masses of the two transiting planets

N Zicher, O Barragán, B Klein, S Aigrain… - Monthly Notices of …, 2022 - academic.oup.com
The system of two transiting Neptune-sized planets around the bright, young M-dwarf AU
Mic provides a unique opportunity to test models of planet formation, early evolution, and …

The young HD 73583 (TOI-560) planetary system: two 10-M mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf

O Barragán, DJ Armstrong, D Gandolfi… - Monthly Notices of …, 2022 - academic.oup.com
We present the discovery and characterization of two transiting planets observed by TESS in
the light curves of the young and bright (V= 9.67) star HD73583 (TOI-560). We perform an …

The CARMENES search for exoplanets around M dwarfs-Wolf 1069 b: Earth-mass planet in the habitable zone of a nearby, very low-mass star

D Kossakowski, M Kürster, T Trifonov… - Astronomy & …, 2023 - aanda.org
We present the discovery of an Earth-mass planet (M b sin i= 1.26±0.21 M⊕) on a 15.6 d
orbit of a relatively nearby (d~ 9.6 pc) and low-mass (0.167±0.011 M⊙) M5. 0 V star, Wolf …

Hubble Space Telescope transmission spectroscopy for the temperate sub-Neptune TOI-270 d: a possible hydrogen-rich atmosphere containing water vapor

T Mikal-Evans, N Madhusudhan… - The Astronomical …, 2023 - iopscience.iop.org
TOI-270 d is a temperate sub-Neptune discovered by the Transiting Exoplanet Survey
Satellite (TESS) around a bright (J= 9.1 mag) M3V host star. With an approximate radius of 2 …

A Comparison of the Composition of Planets in Single-planet and Multiplanet Systems Orbiting M dwarfs

RR Martínez, DV Martin, BS Gaudi… - The Astronomical …, 2023 - iopscience.iop.org
We investigate and compare the composition of M-dwarf planets in systems with only one
known planet (" singles") to those residing in multiplanet systems (" multis") and the …

A detailed analysis of the Gl 486 planetary system

JA Caballero, E González-Álvarez, M Brady… - Astronomy & …, 2022 - aanda.org
Context. The Gl 486 system consists of a very nearby, relatively bright, weakly active M3. 5 V
star at just 8 pc with a warm transiting rocky planet of about 1.3 R⊕ and 3.0 M⊕. It is ideal …

TOI-2084 b and TOI-4184 b: Two new sub-Neptunes around M dwarf stars

K Barkaoui, M Timmermans, A Soubkiou… - Astronomy & …, 2023 - aanda.org
We present the discovery and validation of two TESS exoplanets orbiting nearby M dwarfs:
TOI-2084 b, and TOI-4184b. We characterized the host stars by combining spectra from …

TOI-1801 b: A temperate mini-Neptune around a young M0. 5 dwarf

M Mallorquín, E Goffo, E Pallé, N Lodieu… - Astronomy & …, 2023 - aanda.org
We report the discovery, mass, and radius determination of TOI-1801 b, a temperate mini-
Neptune around a young M dwarf. TOI-1801 b was observed in TESS sectors 22 and 49 …