Variability in extragalactic class I methanol masers: New maser components toward NGC4945 and NGC253

Tiege McCarthy, Simon Ellingsen, Shari Breen +3

We have used the Australia Telescope Compact Array (ATCA) to make new observations of the 36.2-GHz ($4_{-1}\to 3_0$E) methanol transition toward NGC 4945 and NGC 253. These…