2 papers
astro-ph.EP2025
Machine learning-based identification of Gaia astrometric exoplanet orbits
Johannes Sahlmann, Pablo Gómez
The third Gaia data release (DR3) contains 170\,000 astrometric orbit solutions of two-body systems located within 500 pc of the Sun. Determining component masses in th…
astro-ph.SR2025
JWST 1.5 μm and 4.8 μm Photometry of Y Dwarfs
Loïc Albert, Sandy K. Leggett, Per Calissendorff +20
Brown dwarfs lack nuclear fusion and cool with time; the coldest known have an effective temperature below 500 K, and are known as Y dwarfs. We present a James Webb Space Telescope…