Observations of neutral hydrogen in the corona |
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| Authors: | I. S. Kim V. V. Popov D. V. Lisin A. P. Osokin |
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| Affiliation: | 1. M.V. Lomonosov Moscow State University, Vorob’evy gory, Moscow, 119899, Russia
2. Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation, Russian Academy of Sciences, Troitsk, Moscow, 142190, Russia
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| Abstract: | Measurements of the linear polarization degree (p) of the emission in the inner corona (<1.5 R ⊙) in the green and red continuum ranges are discussed. “Excess p” (Δp = pgreen — pred), which reaches its maximum at 1.2–1.3 R ⊙ (<5%) in the polar regions and 20% within large-scale streamers, is present everywhere in the corona. It has been mentioned that excess p can be explained by the presence of neutral hydrogen in the corona. |
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