Keplerian molecular gas disk and black hole mass of NGC 4751 J. Osorno, N. Nagar, T. Richtler, V. Ramakrishnan, C. Finlez, H. Messias, K. Gültekin, K. Gebhardt and P. Teuben A&A, 695 (2025) A72 Published online: 07 March 2025 DOI: 10.1051/0004-6361/202349086