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).
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