Articles | Volume 38, issue 1
https://doi.org/10.5194/angeo-38-1-2020
https://doi.org/10.5194/angeo-38-1-2020
Regular paper
 | 
02 Jan 2020
Regular paper |  | 02 Jan 2020

Surveying pulsating auroras

Eric Grono and Eric Donovan

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Short summary
This is the first survey of pulsating auroras which is differentiated by type. Pulsating auroras are found to be almost always an early-morning phenomenon and are almost entirely lacking persistent structuring before midnight. Long-lived patches which are known to move with convection primarily appear after midnight. These patches are a less common form of pulsating aurora and are found to originate from the inner magnetosphere, in agreement with past observations of their source region.