Studying 630 nm atomic oxygen emission sources during strong magnetic storms in the night mid-latitude ionosphere
We analyze significant increases in 630 nm atomic oxygen night emissions during very strong geomagnetic storms, using optical measurements, theoretical modeling, and magnetogram inversion technique (MIT) data. It is shown that during strong magnetic storms when electron precipitation equatorial boun...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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INFRA-M
2019-06-01
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| Series: | Solar-Terrestrial Physics |
| Subjects: | |
| Online Access: | https://naukaru.ru/en/nauka/article/29448/view |
| _version_ | 1811299231591301120 |
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| author | Leonovich L.A. Tashchilin A.V. Lunyushkin S.B. Karavaev Yu.A. Penskikh Yu.V. |
| author_facet | Leonovich L.A. Tashchilin A.V. Lunyushkin S.B. Karavaev Yu.A. Penskikh Yu.V. |
| author_sort | Leonovich L.A. |
| collection | DOAJ |
| description | We analyze significant increases in 630 nm atomic oxygen night emissions during very strong geomagnetic storms, using optical measurements, theoretical modeling, and magnetogram inversion technique (MIT) data. It is shown that during strong magnetic storms when electron precipitation equatorial boundary at the night sector expands up to ~40°, the interaction of energetic electron flux with thermospheric components may cause extreme increases in the 630 nm emission intensity. Model calculations of the red line intensity show good agreement with observational data. Using the November 20, 2003 magnetic storm as an example, we have found that oxygen atom collisions with thermal Maxwell and superthermal electrons make a major contribution to the integral emission intensity. Thermospheric density variations during the magnetic storm significantly affect the red line generation. |
| first_indexed | 2024-04-13T06:33:08Z |
| format | Article |
| id | doaj.art-a556b9cf988d4269994c5e83208f7c38 |
| institution | Directory Open Access Journal |
| issn | 2500-0535 |
| language | English |
| last_indexed | 2024-04-13T06:33:08Z |
| publishDate | 2019-06-01 |
| publisher | INFRA-M |
| record_format | Article |
| series | Solar-Terrestrial Physics |
| spelling | doaj.art-a556b9cf988d4269994c5e83208f7c382022-12-22T02:58:03ZengINFRA-MSolar-Terrestrial Physics2500-05352019-06-0152333810.12737/stp-52201905Studying 630 nm atomic oxygen emission sources during strong magnetic storms in the night mid-latitude ionosphereLeonovich L.A.0Tashchilin A.V.1Lunyushkin S.B.2Karavaev Yu.A.3Penskikh Yu.V.4Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, RussiaInstitute of Solar-Terrestrial Physics SB RAS, Irkutsk, RussiaInstitute of Solar-Terrestrial Physics SB RAS, Irkutsk, RussiaInstitute of Solar-Terrestrial Physics SB RAS, Irkutsk, RussiaInstitute of Solar-Terrestrial Physics SB RAS, Irkutsk, RussiaWe analyze significant increases in 630 nm atomic oxygen night emissions during very strong geomagnetic storms, using optical measurements, theoretical modeling, and magnetogram inversion technique (MIT) data. It is shown that during strong magnetic storms when electron precipitation equatorial boundary at the night sector expands up to ~40°, the interaction of energetic electron flux with thermospheric components may cause extreme increases in the 630 nm emission intensity. Model calculations of the red line intensity show good agreement with observational data. Using the November 20, 2003 magnetic storm as an example, we have found that oxygen atom collisions with thermal Maxwell and superthermal electrons make a major contribution to the integral emission intensity. Thermospheric density variations during the magnetic storm significantly affect the red line generation.https://naukaru.ru/en/nauka/article/29448/viewmodelingionospheric disturbanceairglowmagnetic storm |
| spellingShingle | Leonovich L.A. Tashchilin A.V. Lunyushkin S.B. Karavaev Yu.A. Penskikh Yu.V. Studying 630 nm atomic oxygen emission sources during strong magnetic storms in the night mid-latitude ionosphere Solar-Terrestrial Physics modeling ionospheric disturbance airglow magnetic storm |
| title | Studying 630 nm atomic oxygen emission sources during strong magnetic storms in the night mid-latitude ionosphere |
| title_full | Studying 630 nm atomic oxygen emission sources during strong magnetic storms in the night mid-latitude ionosphere |
| title_fullStr | Studying 630 nm atomic oxygen emission sources during strong magnetic storms in the night mid-latitude ionosphere |
| title_full_unstemmed | Studying 630 nm atomic oxygen emission sources during strong magnetic storms in the night mid-latitude ionosphere |
| title_short | Studying 630 nm atomic oxygen emission sources during strong magnetic storms in the night mid-latitude ionosphere |
| title_sort | studying 630 nm atomic oxygen emission sources during strong magnetic storms in the night mid latitude ionosphere |
| topic | modeling ionospheric disturbance airglow magnetic storm |
| url | https://naukaru.ru/en/nauka/article/29448/view |
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