Signatures of the accelerating black holes with a cosmological constant from the ${\text{Sgr A}}^{\star }$ and ${\text{M87}}^{\star }$ shadow prospects

L. Chakhchi, H. El Moumni, K. Masmar

Recently, the Event Horizon Telescope (EHT) achieved the realization of an image of the supermassive black hole ${\text{Sgr A}}^{\star }$ showing an angular shadow diameter $\mathcal{…