2 papers
astro-ph.GA2026
Constraints on dynamically-formed massive black holes in Little Red Dots from X-ray non-detections
M. Liempi, D. R. G. Schleicher, M. A. Latif +4
The existence of massive, compact galaxies (Little Red Dots, LRDs) at challenges early structure formation models, suggesting rapid stellar and black hole (BH) assembly.…
astro-ph.HE2025
Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background
C. M. F. Mingarelli, L. Blecha, T. BogdanoviÄ +9
At the Kavli Institute for Theoretical Physics, participants of the rapid response workshop on the gravitational wave background explored discrepancies between experimental results…