Observations of the Hα hydrogen emission on Spitsbergen during the proton event of January 22, 2012 |
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| Authors: | A V Roldugin S V Pilgaev V C Roldugin |
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| Institution: | 1. Polar Geophysical Institute (PGI), Apatity Division, Kola Scientific Center, Russian Academy of Sciences, ul. Fersmana 14, Apatity, Murmansk oblast, 184209, Russia
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| Abstract: | The behavior of the Hα hydrogen emission at Barentsburg observatory during precipitation of high-energy solar protons and sudden impulse (SI) on January 22, 2012, was studied. The emission intensity was determined with a spectrometer, which gives the meridian arc spectrum image. It has been shown that the Hα emission luminosity onset coincides with SI and is caused by precipitation of solar wind protons through the cusp. |
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