This means that STEVE is not likely to be caused by the same mechanism as an aurora, and is therefore an entirely new type of optical phenomenon – which the team refer to as “skyglow”.~ Matt Williams from, https://www.universetoday.com/139809/that-new-kind-of-aurora-called-steve-turns-out-it-isnt-an-aurora-at-all/
Aside: “Steve” started as in-joke reference by some dedicated Aurora photographers. It was later backronymed.
I particular love this type of discovery. Looking at the shape of the visual phenomenon—it’s a straight-ish thin streak—I bet this is realated to certain types of mythologies and stories…