Table 3.
Active regions present in the period of study and signatures observed by the different instruments.
| AR | Location (*) | Type of | Time (***) | GOES | STEREO-A (#) | STEREO-B (#) | Wind (#) | BIRS (#) |
|---|---|---|---|---|---|---|---|---|
| Activity (**) | XRS | WAVES | WAVES | WAVES | ||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) |
| AR1 | E53S18 | Brightening | 20/08 00:42 | B7.5 | – | – | – | – |
| (11827) | ||||||||
| AR2 | W66S04 | Brightening | 19/08 21:58 | C1.0 | – | – | – | – |
| (11818) | Jet | 20/08 00:10 | B8.5 | Type III (b (+)) | Type III (b (+)) (oc.) | Type III (b (+)) | Type III | |
| Brightening | 20/08 01:40 | – | Type III (c (+)) | – | Type III (c (+)) | – | ||
| Brightening | 20/08 02:44 | – | Type III (d (+)) | Type III (d (+)) (oc.) | Type III (d (+)) | Type III | ||
| AR3 | W67S11 | Brightening | 20/08 03:20 | B6.0 | Type III (e (+)) | – | Type III (e (+)) | – |
| (11817/9) | ||||||||
| AR4 | W79S16 | Brightening | 20/08 01:25 | C1.8 | – | – | – | – |
| (11819) | ||||||||
| AR5 | W91S19 | Jet | 19/08 22:55 | B7.0 | Type III (a (+)) | Type III (a (+)) (oc.) | Type III (a (+)) | Type III |
| (11814) | ||||||||
| AR6 (§) | W171N08 | 1st stage | 19/08 21:20 | – | – | – | – | – |
| (11809) | 2nd stage | 19/08 22:10 | – | – | – | – | – | |
| 19/08 22:28 | – | Type II | Type II | – | – | |||
| SA type III (1 − > 3 (+)) | SA type III (1 − > 3 (+)) | – | – | |||||
| M flare starts | 19/08 23:30 | – | – | – | – | – | ||
Notes.
Frequency range of 16 MHz to 2.5 kHz for S/WAVES, from 14 MHz to 2.5 kHz for Wind/WAVES, and 14 to 47 MHz for BIRS.
Letters a to e and numbers 1 to 3, as indicated in Fig. 9.
(oc.) Occultation due to relative position between spacecraft and AR.
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