54 citations · 269 across the 14 of their papers we have counts for
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Semi-conservative reduced speed of sound technique for low Mach number flows with large density variations
H. Iijima, H. Hotta, S. Imada
The reduced speed of sound technique (RSST) has been used for efficient simulation of low Mach number flows in solar and stellar convection zones. The basic RSST equations are hype…
ALMA Observations of the Solar Chromosphere on the Polar Limb
Takaaki Yokoyama, Masumi Shimojo, Takenori J. Okamoto +1
We report the results of the Atacama Large Millimeter/sub-millimeter Array (ALMA) observations of the solar chromosphere on the southern polar limb. Coordinated observations with t…
Sunspot Drawings by Japanese Official Astronomers in 1749-1750
Hisashi Hayakawa, Kiyomi Iwahashi, Masashi Fujiyama +7
Sunspot observations with telescopes in 18th century were carried out in Japan as well. One of these sunspot observations is recorded in an account called Sansaizusetsu narabini Ka…