@article{article, title = {{GW231123: A Binary Black Hole Merger with Total Mass 190–265 M }}, publisher = {{American Astronomical Society}}, url = {{https://doi.org/10.3847/2041-8213/ae0c9c }}, year = {{2025}}, month = {{10}}, author = {{Abac AG and Abouelfettouh I and Acernese F and Ackley K and Adamcewicz C and Adhicary S and Adhikari D and Adhikari N and Adhikari RX and Adkins VK and Afroz S et al}}, doi = {{10.3847/2041-8213/ae0c9c}}, volume = {{993}}, journal = {{The Astrophysical Journal Letters}}, issue = {{1}}, pages = {{L25-L25}}, note = {{Accessed on 2025/11/03}}}