2 papers
astro-ph.SR2026
Gaia's promise to detect compact-object binaries: where we stand with the third data release
Chirag Chawla, Sourav Chatterjee, Katelyn Breivik
With its third data release (DR3), Gaia begins unveiling dormant candidate compact object (CO) binaries with luminous companions (LC) as predicted by several past theoretical studi…
astro-ph.GA2025
Realistic predictions for Gaia black hole discoveries: comparison of isolated binary and dynamical formation models
Pranav Nagarajan, Kareem El-Badry, Chirag Chawla +6
Astrometry from Gaia has enabled discovery of three dormant black holes (BHs) in au-scale binaries. Numerous models have been proposed to explain their formation, including several…