Limiting the Yukawa Gravity through the Black Hole Shadows of Sgr A* and M87*

Yuan Tan, Youjun Lu, Kunyu Song

Recently, the \textit{EHT} collaboration unveiled the shadow images of the supermassive black hole (SMBH) M87* and Sgr A*, with angular radii of $42\pm 3$\,$\hat{I}¼$as and $48.7\pm 7.0$\,…