Akiyama, K., Alberdi, A., Alef, W., and 267 more including, Azulay, R., Bach, U., et al. (2022). First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric. \apjl, 930(2): L17, pp. L17. doi:10.3847/2041-8213/ac6756.