Binary detection probability p_detect as a function of period and mass ratio for a 10 M_⊙ Be star. Overplotted are OBe binaries with known periods and mass ratios from Klement et al. (2024) and Wang et al. (2023, Be+sdOBs in orange and Be binaries with companions of uncertain or debated nature in yellow), and recently stripped stars from Shenar et al. (2020), Bodensteiner et al. (2020b), Pauli et al. (2022) and Ramachandran et al. (2024). Overplotted are also lines for potential Be+NS binaries (assuming NS masses between 1.4 and 3 M_⊙), and a Be binary with an 8 M_⊙BH companion.