Pulsational Instability of Quasi-Stars: Interpreting the Variability of Little Red Dots

Matteo Cantiello, Jake B. Hassan, Rosalba Perna +5

The JWST discovery of "Little Red Dots" (LRDs) has revealed a population of compact, red sources at $z\sim 5-10$ that likely host supermassive black holes (SMBHs). Recent observat…