The chemical characterization of halo substructure in the Milky Way based on APOGEE

D Horta, RP Schiavon, JT Mackereth… - Monthly Notices of …, 2023 - academic.oup.com
Galactic haloes in a Λ-CDM universe are predicted to host today a swarm of debris resulting
from cannibalized dwarf galaxies. The chemodynamical information recorded in their stellar …

The CARMENES search for exoplanets around M dwarfs-Stellar atmospheric parameters of target stars with STEPARSYN

E Marfil, HM Tabernero, D Montes… - Astronomy & …, 2021 - aanda.org
We determined effective temperatures, surface gravities, and metallicities for a sample of
343 M dwarfs observed with CARMENES, the double-channel, high-resolution spectrograph …

Final Targeting Strategy for the Sloan Digital Sky Survey IV Apache Point Observatory Galactic Evolution Experiment 2 North Survey

RL Beaton, RJ Oelkers, CR Hayes… - The Astronomical …, 2021 - iopscience.iop.org
Abstract The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is a
dual-hemisphere, near-infrared (NIR), spectroscopic survey with the goal of producing a …

Metallicities in M dwarfs: Investigating different determination techniques

VM Passegger, A Bello-García, J Ordieres-Meré… - Astronomy & …, 2022 - aanda.org
Deriving metallicities for solar-like stars follows well-established methods, but for cooler
stars such as M dwarfs, the determination is much more complicated due to forests of …

Searching for Giant Exoplanets around M-dwarf Stars (GEMS) I: Survey Motivation

S Kanodia, CI Cañas, S Mahadevan… - The Astronomical …, 2024 - iopscience.iop.org
Recent discoveries of transiting giant exoplanets around M-dwarf stars (GEMS), aided by the
all-sky coverage of TESS, are starting to stretch theories of planet formation through the core …

Constraints on the Spindown of Fully Convective M Dwarfs Using Wide Field Binaries

EK Pass, D Charbonneau, JM Irwin… - The Astrophysical …, 2022 - iopscience.iop.org
M dwarfs remain active over longer timescales than their Sunlike counterparts, with
potentially devastating implications for the atmospheres of their planets. However, the age at …

Stellar Characterization and Chemical Abundances of Exoplanet-hosting M Dwarfs from APOGEE Spectra: Future JWST Targets

E Melo, D Souto, K Cunha, VV Smith… - The Astrophysical …, 2024 - iopscience.iop.org
Exoplanets hosting M dwarfs are the best targets to characterize Earth-like or super-Earth
planetary atmospheres with the James Webb Space Telescope (JWST). We determine …

Detailed Chemical Abundances for a Benchmark Sample of M Dwarfs from the APOGEE Survey

D Souto, K Cunha, VV Smith, CA Prieto… - The Astrophysical …, 2022 - iopscience.iop.org
Individual chemical abundances for 14 elements (C, O, Na, Mg, Al, Si, K, Ca, Ti, V, Cr, Mn,
Fe, and Ni) are derived for a sample of M dwarfs using high-resolution, near-infrared H-band …

Cool and data-driven: an exploration of optical cool dwarf chemistry with both data-driven and physical models

AD Rains, T Nordlander, S Monty… - Monthly Notices of …, 2024 - academic.oup.com
Detailed chemical studies of F/G/K–or solar-type–stars have long been routine in stellar
astrophysics, enabling studies in both Galactic chemodynamics and exoplanet …

TESS stellar rotation up to 80 days in the southern continuous viewing zone

ZR Claytor, JL van Saders, L Cao… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract The Transiting Exoplanet Survey Satellite (TESS) mission delivers time-series
photometry for millions of stars across the sky, offering a probe into stellar astrophysics …