SEP-C25-0017
November 9, 2021
Science case
3-spacecraft event. L1 and SOLO radially aligned and closely spaced
3-spacecraft event. L1 and SOLO radially aligned and closely spaced
Flare date/time [UTC]
2021-11-09 15:47:00
2021-11-09 15:47:00
Flare class (GOES)
M2.0
M2.0
Flare Carrington latitude
19°
19°
Flare Carrington longitude
201°
201°
Flare comments
—
—
Radio type II bursts
PSP, STEREO-A, Wind
PSP, STEREO-A, Wind
Decametric type II burst
Start time [UT]
16:57
End time [UT]
17:10
Frequency range
20-5.7 MHz
Metric type II burst
Start time [UT]
—
End time [UT]
—
Frequency range
—
Imaging available
No
Radio comments
—
—
| L1 (SOHO/Wind) | Parker Solar Probe | STEREO A | Solar Orbiter | |
|---|---|---|---|---|
| Radial distance [au] | 0.98 | 0.42 | 0.96 | 0.88 |
| Carrington latitude [deg] | 3 | 4 | 7 | 2 |
| Carrington longitude [deg] | 112 | 60 | 75 | 112 |
| e- (~1 MeV) / p (25-40 MeV) ratio | 3.24e+02 |
—
|
—
|
6.92e+02 |
| p 25 MeV | ||||
| Onset date [UTC] | 2021-11-09 |
—
|
—
|
2021-11-09 |
| Onset time [UTC] | 17:53:30 |
—
|
—
|
17:45:00 |
| Averaging used for onset [min] | 1 |
—
|
—
|
30 |
| Sector used for onset |
—
|
—
|
—
|
south |
| Peak date [UTC] | 2021-11-09 |
—
|
—
|
2021-11-09 |
| Peak time [UTC] | 20:35:00 |
—
|
—
|
22:45:00 |
| Peak flux [cm-2s-1sr-1MeV-1] | 4.51e-03 | 2.20e-04 | 1.77e-04 | 2.83e-03 |
| Averaging used for peak [min] | 10 |
—
|
—
|
30 |
| Sector used for peak |
—
|
A |
—
|
south |
| Inferred injection date [UTC] | 2021-11-09 |
—
|
—
|
2021-11-09 |
| Inferred injection time [UTC] | 17:16:00 |
—
|
—
|
17:13:00 |
| Spiral length used for inferred injection time [au] | 1.14 |
—
|
—
|
1.00 |
| Solar wind speed [km/s] | 392 |
—
|
—
|
397 |
| Comments | No event | No event | Small event | |
| e- 100 keV | ||||
| Onset date [UTC] | 2021-11-09 |
—
|
2021-11-09 | 2021-11-09 |
| Onset time [UTC] | 17:12:30 |
—
|
17:41:30 | 17:19:30 |
| Averaging used for onset [min] | 5 |
—
|
11 | 3 |
| Sector used for onset | 0 |
—
|
asun | sun |
| Peak date [UTC] | 2021-11-09 |
—
|
2021-11-10 | 2021-11-09 |
| Peak time [UTC] | 18:45:00 |
—
|
01:23:30 | 19:05:00 |
| Peak flux [cm-2s-1sr-1MeV-1] | 1.01e+03 |
—
|
9.53e+01 | 7.09e+02 |
| Averaging used for peak [min] | 10 |
—
|
11 | 10 |
| Sector used for peak | 0 |
—
|
sun | north |
| Inferred injection date [UTC] | 2021-11-09 |
—
|
2021-11-09 | 2021-11-09 |
| Inferred injection time [UTC] | 16:55:00 |
—
|
17:25:00 | 17:05:00 |
| Spiral length used for inferred injection time [au] | 1.17 |
—
|
1.08 | 1.00 |
| Solar wind speed [km/s] | 357 |
—
|
439 | 399 |
| Comments | No event | |||
| e- 1 MeV | ||||
| Onset date [UTC] | 2021-11-09 |
—
|
—
|
2021-11-09 |
| Onset time [UTC] | 17:15:00 |
—
|
—
|
17:25:30 |
| Averaging used for onset [min] | 2 |
—
|
—
|
3 |
| Sector used for onset |
—
|
—
|
—
|
north |
| Peak date [UTC] | 2021-11-09 |
—
|
—
|
2021-11-09 |
| Peak time [UTC] | 17:53:00 |
—
|
—
|
19:05:00 |
| Peak flux [cm-2s-1sr-1MeV-1] | 2.87e-01 |
—
|
2.84e-02 | 2.66e+00 |
| Averaging used for peak [min] | 10 |
—
|
—
|
10 |
| Sector used for peak |
—
|
—
|
—
|
north |
| Inferred injection date [UTC] | 2021-11-09 |
—
|
—
|
2021-11-09 |
| Inferred injection time [UTC] | 17:05:00 |
—
|
—
|
17:17:00 |
| Spiral length used for inferred injection time [au] | 1.15 |
—
|
—
|
1.00 |
| Solar wind speed [km/s] | 381 |
—
|
—
|
399 |
| Comments | No event | No event | ||