First black hole in a triple star system found: « Astrophysicists from Caltech and MIT report that they have observed for the first time a "black hole triple"—a system of three stars, one of which is a black hole. »
The First Triple Star System Found Containing a Black Hole
TESS Finds a Triple Star System that Could Fit within Mercury’s Orbit
Chandra Detects X-ray Emission from Exoplanet-Hosting Triple Star System
“One of a Kind” Massive Triple Star System Detected
