Observational tests of asymptotically flat spacetimesTao Zhu, Hoang Ky Nguyen, Mustapha Azreg-Aïnou and Mubasher JamilEur. Phys. J. C, 84 3 (2024) 330DOI: https://doi.org/10.1140/epjc/s10052-024-12610-2