Uncovering astrometric black hole binaries with massive main-sequence companions with GaiaS. Janssens, T. Shenar, H. Sana, S. Faigler, N. Langer, P. Marchant, T. Mazeh, C. Schürmann and S. ShahafA&A, 658 (2022) A129DOI: https://doi.org/10.1051/0004-6361/202141866