In 2009, the first closure phases for SgrA* were measured using 1.3mm VLBI. This work includes this new observational constraint in fits to RIAF models, and also examines how future EHT observations may use closure phase to place even tighter constraints on models.
Broderick, Fish, Doeleman, Loeb, ApJ, v738, id 38 (2011), "Constraining the Structure of Sagittarius A*'s Accretion Flow with Millimeter Very Long Baseline Interferometry Closure Phases"back to main
