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Table 1

Observational characteristics of the selected NR electron events measured by ACE (62–102 keV) and Wind (5082 keV).

ACE Wind S/C


t Rise u Foot. IMF t Rise u Foot. IMF Separation
Date DOY (UT) (min) (km s-1) () Pol. (UT) (min) (km s-1) () Pol. (R)

Group I 1999 Jun. 11 162 00:50 45 445 W55 −1 00:59 37 455 W53 −1 60
2002 Feb. 20 51 06:00 24 398 W61 + 1 06:09 22 412 W59 + 1 340
2002 Dec. 19 353 21:55 24 530 W46 + 1 22:05 16 550 W44 + 1 132
2004 Nov. 1 306 06:05 29 419 W58 + 1 06:14 27 431 W56 + 1 42


Group II 2000 Sep. 12 256 12:30 619 372 W65 −1 12:44 589 370 W66 −1 274
2002 Jul. 7 188 11:44 286 415 W59 −1 11:58 378 424 W57 −1 282
2002 Aug. 14 226 01:49 35 430 W57 +1 02:00 35 443 W55 +1 208

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