subauroral en · ADJ
Etymology
From sub- + auroral.
Meanings
-
(not-comparable) Below the aurora.
We also account for the relativistic (>1000 keV) electrons contaminating the proton detector at subauroral latitudes.
2016, H. Nesse Tyssøy, M. I. Sandanger, L.-K. G. Ødegaard, J. Stadsnes, A. Aasnes, A. E. Zawedde, “Energetic electron precipitation into the middle atmosphere - Constructing the loss cone fluxes from MEPED POES”, in arXiv: