00404nas a2200157   4500000000100000000000100001008004100002100001500043700001500058700001300073700001500086700001600101245011500117300000600232490000800238       2015                            d1 aC.-K. Chan1 aD. Psaltis1 aF. Özel1 aR. Narayan1 aA. Sadowski00aThe Power of Imaging: Constraining the Plasma Properties of GRMHD Simulations using EHT Observations of Sgr A*  a10 v799