The role of accretion efficiency, natal kicks, and angular momentum transport in the formation of the Gaia black holes

Michela Mapelli, Cecilia Sgalletta, Johanna Müller-Horn +5

Gaia has the potential to deliver several tens of new dormant black holes (BHs) with low-mass stellar companions (hereafter, Gaia BHs) in the upcoming fourth data release. Three Ga…