UGC 2369S: A Kiloparsec-Scale Triple Merger Candidate Identified in a Nearby Luminous Infrared Galaxy
Yuanze Ding et al 2026 ApJ 1002 130
Researchers present the first high-resolution multi-wavelength observations of a triple-nucleus merger, showing one black hole with mass of order 100 million solar masses and two with evidence of tidal disruption.