The Tarantula massive binary monitoring VII. The nature of the eccentric O+BH binary candidate VFTS 812

K. Deshmukh, H. Sana, O. Verhamme +9

Massive O-type stars ($M\gtrsim 15M_{\odot }$) with an X-ray quiet black hole (BH) companion represent a crucial stage in massive binary evolution leading to binary BH mergers. The p…