The effect of stellar contamination on low-resolution transmission spectroscopy: needs identified by NASA's Exoplanet Exploration Program Study Analysis Group 21

BV Rackham, N Espinoza… - RAS Techniques …, 2023 - academic.oup.com
Abstract Study Analysis Group 21 (SAG21) of NASA's Exoplanet Exploration Program
Analysis Group was organized to study the effect of stellar contamination on space-based …

A roadmap for the atmospheric characterization of terrestrial exoplanets with JWST

Nature Astronomy, 2024 - nature.com
Ultracool dwarf stars are abundant, long-lived and uniquely suited to enable the
atmospheric study of transiting terrestrial companions with the JWST. Among them, the most …

Bioverse: A comprehensive assessment of the capabilities of extremely large telescopes to probe earth-like o2 levels in nearby transiting habitable-zone exoplanets

KK Hardegree-Ullman, D Apai… - The Astronomical …, 2023 - iopscience.iop.org
Molecular oxygen is a strong indicator of life on Earth and may indicate biological processes
on exoplanets too. Recent studies proposed that Earth-like O2 levels might be detectable on …

A super-Earth and a mini-Neptune near the 2: 1 MMR straddling the radius valley around the nearby mid-M dwarf TOI-2096

FJ Pozuelos, M Timmermans, BV Rackham… - Astronomy & …, 2023 - aanda.org
Context. Several planetary formation models have been proposed to explain the observed
abundance and variety of compositions of super-Earths and mini-Neptunes. In this context …

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 …

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 …

Analogous response of temperate terrestrial exoplanets and Earth's climate dynamics to greenhouse gas supplement

A Hochman, TD Komacek, P De Luca - Scientific Reports, 2023 - nature.com
Humanity is close to characterizing the atmospheres of rocky exoplanets due to the advent
of JWST. These astronomical observations motivate us to understand exoplanetary …

Planetary companions orbiting the M dwarfs GJ 724 and GJ 3988-A CARMENES and IRD collaboration

P Gorrini, J Kemmer, S Dreizler, R Burn… - Astronomy & …, 2023 - aanda.org
We report the discovery of two exoplanets around the M dwarfs GJ 724 and GJ 3988 using
the radial velocity (RV) method. We obtained a total of 153 3.5 m Calar Alto/CARMENES …

Two super-Earths at the edge of the habitable zone of the nearby M dwarf TOI-2095

F Murgas, A Castro-González, E Pallé… - Astronomy & …, 2023 - aanda.org
The main scientific goal of TESS is to find planets smaller than Neptune around stars that
are bright enough to allow for further characterization studies. Given our current …

An M dwarf accompanied by a close-in giant orbiter with SPECULOOS

AHMJ Triaud, G Dransfield, T Kagetani… - Monthly Notices of …, 2023 - academic.oup.com
In the last decade, a dozen close-in giant planets have been discovered orbiting stars with
spectral types ranging from M0 to M4, a mystery since known formation pathways do not …