universetoday.com/articles/two-disks-in-one-how-accretion-disks-drive-black-hole-jets Two Disks in One: How Accretion Disks Drive Black Hole Jets
Observations of the active galaxy 3C 120 with XRISM and several VLBI arrays show its cold, thin accretion disk is truncated at about 20 gravitational radii, replaced inside by a hot, thick flow. This suggests jets are launched from the hot inner flow, possibly via the Blandford–Znajek process, even at high accretion rates.
— via Universe Today, Evan Gough
