Articles | Volume 39, issue 2
https://doi.org/10.5194/angeo-39-277-2021
https://doi.org/10.5194/angeo-39-277-2021
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04 Mar 2021
Regular paper | Highlight paper |  | 04 Mar 2021

Characteristics of fragmented aurora-like emissions (FAEs) observed on Svalbard

Joshua Dreyer, Noora Partamies, Daniel Whiter, Pål G. Ellingsen, Lisa Baddeley, and Stephan C. Buchert

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Latest update: 17 Jul 2024
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Short summary
Small-scale auroral features are still being discovered and are not well understood. Where aurorae are caused by particle precipitation, the newly reported fragmented aurora-like emissions (FAEs) seem to be locally generated in the ionosphere (hence, aurora-like). We analyse data from multiple instruments located near Longyearbyen to derive their main characteristics. They seem to occur as two types in a narrow altitude region (individually or in regularly spaced groups).