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Research Results 2022-01-20Diagnostics of coronal plasma at the current solar minimum using a cosmic lighthouse Coronal plasma density distribution at the current solar minimum has been determined by using giant radio pulses from the Crab pulsar (Solar Physics, 297:10, 2022)
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Research Results 2021-09-17Hisashi Hayakawa (designated assistant professor), Shoma Uneme, and Shinsuke Imada (ex-lecturer) of the Division for Integrated Studies have conducted an international collaboration to analyse Stephan Prantner's sunspot records preserved in Wilten Monastery (Austria) and construct the solar activity in the mid Dalton Minimum in terms of the sunspot group number and sunspot positions.