Comparative Study of Microwave Polar Brightening, Coronal Holes, and Solar Wind Over the Solar Poles

Ken'ichi Fujiki, Kiyoto Shibasaki, Seiji Yashiro +3

We comparatively studied the long-term variation (1992-2017) in polar brightening observed with the Nobeyama Radioheliograph, the polar solar wind velocity with interplanetary scin…