The Submillimeter Active Region Excess Brightness Temperature during Solar Cycles 23 and 24

C. Guillermo Giménez de Castro, André L. G. Pereira, J. Fernando Valle Silva +5

We report the temporal evolution of the excess brightness temperature above solar active regions (ARs) observed with the Solar Submillimeter Telescope (SST) at 212 (λ = 1.4 mm) and…