Fast variability and circular polarization of the 6.7 GHz methanol maser in G33.641$-$0.228

Kenta Fujisawa, Yui Sugiura, Yuta Kojima +5

The 6.7 GHz methanol maser in a high-mass star-forming region G33.641$-$0.228 is known to exhibit burst-like flux variability due to an unknown mechanism. To investigate the burst…