Millions of Main-Sequence Binary Stars from Gaia BP/RP Spectra

Jiadong Li, Hans-Walter Rix, Yuan-Sen Ting +6

We present the main-sequence binary (MSMS) Catalog derived from Gaia Data Release 3 BP/RP (XP) spectra. Leveraging the vast sample of low-resolution Gaia XP spectra, we develop a f…