Table 2 The energy flux and average energy of the precipitating electrons observed by SSJ4 instrument onboard the DMSP satellites under different conditions.

From: A space hurricane over the Earth’s polar ionosphere

Typical regions Time intervals Duration [s] ΣJE [eV/(cm2 sr)] EnFavg [eV/(cm2 s sr)] PΣJE Eavg [eV] Emax [eV]
Space hurricane 16:16:58–16:18:48 110 2.48 × 1014 2.25 × 1012 91.49% 2.27 × 103 9.56 × 103
Auroral oval Duskside:
16:14:52–16:16:49
Dawnside:
16:20:23–16:21:57
211 1.64 × 1013 7.81 × 1010 6.08% 248 1.35 × 103
Diffuse aurora 16:21:57–16:23:16 79 2.51 × 1012 3.14 × 1010 0.93% 616 2.64 × 103
Whole North polar pass for extremely quiet time with space hurricane 16:12:30–16:23:30 660 2.71 × 1014 4.10 × 1011 100% 709 9.56 × 103
Whole North polar pass for typical Quiet time without space hurricane 08:54:22–09:11:24
21 June 2010
1022 2.79 × 1013 2.72 × 1010 100% 847 1.58 × 104
Whole North polar pass for Typical southward IMF case for non-storm time without space hurricane 16:26:00–16:46:00
08 October 2014
1200 5.92 × 1013 4.93 × 1010 100% 924 1.78 × 104
Whole North polar pass for super storm time without space hurricane 23:14:00–23:44:00
17 March 2015
1800 1.25 × 1015 6.97 × 1011 100% 988 9.17 × 103
  1. Column 1 is the typical regions, Column 2 is the time intervals for the typical regions during the DMSP crossings, Column 3 is the duration in seconds of the time intervals shown in Column 2, Column 4 is the time integrated total electron energy flux (ΣJE), Column 5 is the average electron energy flux (EnFavg), Column 6 is the percentage of ΣJE (PΣJE), Column 7 is the electron average energy (Eavg), Column 8 is the maximum electron energy (Emax).