2 papers
astro-ph.SR2025
Gaia Data Release 3: spectroscopic binary-star orbital solutions. The SB1 processing chain
E. Gosset, Y. Damerdji, T. Morel +7
Gaia is an astrometric space experiment that is measuring positions, proper motions as well as parallaxes for a huge number of stars. It operates a medium-dispersion spectrometer,…
astro-ph.SR2024
A generative model for Gaia astrometric orbit catalogs: selection functions for binary stars, giant planets, and compact object companions
Kareem El-Badry, Casey Lam, Berry Holl +4
Astrometry from Gaia DR3 has produced a sample of 170,000 Keplerian orbital solutions, with many more anticipated in the next few years. These data have enormous potential to…