brown dwarfs 1chemical composition 1FGK host stars 1high-resolution spectroscopy 1stellar abundances 1
From the 1 of 3 linked papers with an AI index.
3 papers
astro-ph.SR2026
Benchmark Brown Dwarf Systems I: Chemical Abundance Analysis of FGK Stars with Wide-Separation Brown Dwarf Companions Using PEPSI
Caprice L. Phillips, Megan Bedell, Catherine Manea +11
The authors performed a high‑resolution spectroscopic survey of 32 FGK stars that host wide‑separation brown dwarf companions, deriving precise stellar parameters and abundances fo…
astro-ph.EP2025
Chemical and Isotopic Homogeneity Between the L Dwarf CD-35 2722 B and its Early M Host Star
Gavin Wang, Jerry Xuan, DarÃo Picos +29
CD-35 2722 B is an L dwarf companion to the nearby, Myr old M1 dwarf CD-35 2722 A. We present a detailed analysis of both objects using high-resolution ($R \sim 35,00…
astro-ph.EP2025
HD 206893 B at High Spectral Resolution with the Keck Planet Imager and Characterizer (KPIC)
Ben Sappey, Quinn Konopacky, Clarissa R. Do O +38
We present an atmospheric characterization and orbital analysis of HD 206893 B, an exceptionally red, L/T-transition substellar companion in a multiplanetary system, via Keck Plane…