Asymmetric structure in Sgr A* at 3mm from closure phase measurements with VLBA, GBT and LMT

Christiaan D. Brinkerink, Cornelia Müller, Heino Falcke +19

We present the results of a closure phase analysis of 3 mm very long baseline interferometry (VLBI) measurements performed on Sagittarius A* (Sgr A*). We have analyzed observations…