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Table A.1

Event properties.

Properties/Event 2013-Oct-11 2014-Feb-25 2014-Aug-01 (I) 2014-Aug-01 (II)
Electron onset time, UT:
– STA 0734a 0109a 1634 2345
– STB 0747a 0122a 1654 2354
– SOHOd >1110 ≤0204 – –
Delay STB vs. STA, min 13 13 20 9
Peak intensityb, (cm2 sr MeV)-1:
– STA 1.35 × 105 7.6 × 104 4800 9200
– STB 1.16 × 104 >4.3 × 104<10.3 × 104 870 2300
– SOHOd 65 3600 – –
Peak intensity ratio, STA/STB 11.6 1.8–0.74 5.5 4.0
Peak spectral indexe, γ, STA/STB 1.9/1.5 2.0/1.6 3.3/2.7 3.0/2.6
Mag. footpoints separation, °:
– STA – flare 50 70 27 26
– STB – flare 49 42 18 22
– SOHO – flare 149 125 163 158
Flare/Jet onset, UT ≤0710.5 ≤0043 1613SDO ≤2316STA,SDO
Type III burst onset (Waves), UT 0712 0046 1622 2324
Delay, electrons vs. type III, min:
– STA 8.2 10.0 –0.6 27.1
– STB 18.5 23.8 20.0 18.1
– SOHOd >238 78 – –
Flare Carr. Long., ° 83 108 155 155
Flare Carr. Lat., ° 21 –13 –22 –22
Vsw, km s-1:
– STA 351 372 349 328
– STB 321 564 557 584
– SOHO 397 464 340 403
Type II burst onset, UT 0711c 0045.5c No No
CME, speed, km s-1; angular width,° 1163/halo 1809/halo No No
EIT–wave yes yes No No
Local Langmuir waves STA STB? No No
Distance STA-Sun, AU 0.97 0.96 0.97 0.97
Distance STB-Sun, AU 1.06 1.07 1.00 1.00
Long. separation STA vs. STB, ° 72 47 34 34

Notes.

(a)

Onset determined using the Poisson-CUSUM method (Huttunen-Heikinmaa et al. 2005), remainders by n-sigma threshold approach (e.g. Krucker et al. 1999).

(b)

5 min averaging and the background is subtracted.

(c)

Ground based observations.

(d)

250–700 keV (EPHIN/SOHO instrument).

(e)

Derived power-law index from the omnidirectional peak intensity spectrum in the energy range 55–335 keV. Flare latitude (+) means north, solar wind speed (Vsw) – 1 h average data taken during the SEP onset. All parameters are derived for 55–65 keV electrons after background subtraction.

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