Thermospheric orthohelium, He(23S), variations associated with a moderate storm in February 2023: the NIRAS-2 observations at the Kjell Henriksen Observatory (78.1\degree N, 16.0\degree E), Svalbard.Takanori Nishiyama, F. Sigernes, Takuo T. Tsuda et al.|Unknown|2024Cited by 0
Thermospheric Orthohelium, He23S $\mathrm{H}\mathrm{e}\left({\mathrm{2}}^{\mathrm{3}}\mathrm{S}\right)$, Variations Associated With a Moderate Storm in February 2023: The NIRAS‐2 Observations at the Kjell Henriksen Observatory (78.1°N, 16.0°E), SvalbardTakanori Nishiyama, F. Sigernes, Yasunobu Ogawa et al.|Space Weather|2025Cited by 0