Constraining a disformal Schwarzschild black hole in DHOST theories with the orbit of the S2 star Zelin Zhang, Songbai Chen and Jiliang Jing Eur. Phys. J. C, 84 8 (2024) 827 Published online: 18 August 2024 DOI: 10.1140/epjc/s10052-024-13179-6