A 22 Billion M⊙ Black Hole in Holmberg 15A with Keck KCWI Spectroscopy and Triaxial Orbit Modeling
Emily R. Liepold et al 2025 ApJ 980 58 The kinematics of stars in the central region of the massive elliptical galaxy Holmberg 15A reveal the galaxy’s central supermassive black hole to be one of the…
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