74 citations · 297 across the 11 of their papers we have counts for
Showing 2015Show all
2 papers · 1 filter
astro-ph.SR2015★ 18 cited
Chromospheric sunspots in the millimeter range as observed by the Nobeyama Radioheliograph
Kazumasa Iwai, Hideki Koshiishi, Kiyoto Shibasaki +3
We investigate the upper chromosphere and the transition region of the sunspot umbra using the radio brightness temperature at 34 GHz (corresponding to 8.8-mm observations) as obse…
astro-ph.SR2015★ 16 cited
Coronal Magnetic Fields Derived from Simultaneous Microwave and EUV Observations and Comparison with the Potential Field Model
Shun Miyawaki, Kazumasa Iwai, Kiyoto Shibasaki +2
We estimated the accuracy of coronal magnetic fields derived from radio observations by comparing them to potential field calculations and the DEM measurements using EUV observatio…