SEP-C25-0002
December 7, 2020
Science case
3 spacecraft event
3 spacecraft event
Flare date/time [UTC]
2020-12-07 15:46:00
2020-12-07 15:46:00
Flare class (GOES)
C7.4
C7.4
Flare Carrington latitude
-25°
-25°
Flare Carrington longitude
249°
249°
Flare comments
—
—
Radio type II bursts
PSP, STEREO-A, Wind
PSP, STEREO-A, Wind
Decametric type II burst
Start time [UT]
16:08
End time [UT]
17:25
Frequency range
20-2 MHz
Metric type II burst
Start time [UT]
—
End time [UT]
—
Frequency range
—
Imaging available
No
Radio comments
Wind spectra partly unavailable
Wind spectra partly unavailable
| L1 (SOHO/Wind) | Parker Solar Probe | STEREO A | Solar Orbiter | |
|---|---|---|---|---|
| Radial distance [au] | 0.98 | 0.78 | 0.96 | 0.84 |
| Carrington latitude [deg] | 0 | 4 | 6 | -5 |
| Carrington longitude [deg] | 241 | 141 | 183 | 3 |
| e- (~1 MeV) / p (25-40 MeV) ratio |
—
|
1.64e+01 | 2.10e+00 |
—
|
| p 25 MeV | ||||
| Onset date [UTC] | 2020-12-07 | 2020-12-07 | 2020-12-07 |
—
|
| Onset time [UTC] | <=17:55:00 | 16:30:30 | >=17:10:30 |
—
|
| Averaging used for onset [min] | 10 | 60 | 1 |
—
|
| Sector used for onset |
—
|
A |
—
|
—
|
| Peak date [UTC] | 2020-12-07 | 2020-12-07 | 2020-12-07 |
—
|
| Peak time [UTC] | 23:05:00 | >=20:30:00 | 19:15:00 |
—
|
| Peak flux [cm-2s-1sr-1MeV-1] | 6.20e-03 | >=5.15e-02 | 7.11e-02 | 2.00e-04 |
| Averaging used for peak [min] | 10 | 60 | 10 |
—
|
| Sector used for peak |
—
|
A |
—
|
sun |
| Inferred injection date [UTC] | 2020-12-07 | 2020-12-07 | 2020-12-07 |
—
|
| Inferred injection time [UTC] | 17:17:00 | 16:01:00 | 16:35:00 |
—
|
| Spiral length used for inferred injection time [au] | 1.15 | 0.90 | 1.10 |
—
|
| Solar wind speed [km/s] | 364 | 312 | 404 |
—
|
| Comments | Only 1h resolution available. Data gap during event, possibly masking peak | No event | ||
| e- 100 keV | ||||
| Onset date [UTC] | 2020-12-07 | 2020-12-07 | 2020-12-07 |
—
|
| Onset time [UTC] | ~17:30:00 | 17:15:00 | 16:31:00 |
—
|
| Averaging used for onset [min] | 10 | 10 | 2 |
—
|
| Sector used for onset |
—
|
3 (sun) | sun |
—
|
| Peak date [UTC] | 2020-12-07 | 2020-12-07 | 2020-12-07 |
—
|
| Peak time [UTC] | 19:35:00 | 18:55:00 | 17:45:00 |
—
|
| Peak flux [cm-2s-1sr-1MeV-1] | 2.76e+02 | 9.43e+02 | 1.33e+03 | 4.16e+01 |
| Averaging used for peak [min] | 10 | 10 | 10 |
—
|
| Sector used for peak | 0 | 7 (asun) | south | sun |
| Inferred injection date [UTC] | 2020-12-07 | 2020-12-07 | 2020-12-07 |
—
|
| Inferred injection time [UTC] | 17:13:00 | 17:02:00 | 16:14:00 |
—
|
| Spiral length used for inferred injection time [au] | 1.16 | 0.89 | 1.10 |
—
|
| Solar wind speed [km/s] | 359 | 317 | 400 |
—
|
| Comments | Onset during decay of previous event. Onset determined by eye. Possibly other events on top | No event | ||
| e- 1 MeV | ||||
| Onset date [UTC] | 2020-12-07 | 2020-12-07 | 2020-12-07 |
—
|
| Onset time [UTC] | ~16:47:00 | 15:30:00 | 16:44:30 |
—
|
| Averaging used for onset [min] | 10 | 60 | 7 |
—
|
| Sector used for onset |
—
|
A |
—
|
—
|
| Peak date [UTC] | 2020-12-07 | 2020-12-07 | 2020-12-07 |
—
|
| Peak time [UTC] | 20:25:00 | 17:30:00 | 18:25:00 |
—
|
| Peak flux [cm-2s-1sr-1MeV-1] | 3.99e-02 | 8.47e-01 | 6.95e-02 | 6.24e-02 |
| Averaging used for peak [min] | 10 | 60 | 10 |
—
|
| Sector used for peak |
—
|
A |
—
|
sun |
| Inferred injection date [UTC] | 2020-12-07 | 2020-12-07 | 2020-12-07 |
—
|
| Inferred injection time [UTC] | 16:37:00 | 15:22:00 | 16:35:00 |
—
|
| Spiral length used for inferred injection time [au] | 1.15 | 0.88 | 1.10 |
—
|
| Solar wind speed [km/s] | 365 | 340 | 401 |
—
|
| Comments | Event happens during decay phase of previous event. Onset determined by eye | Only 1h resolution available. Data gap during onset | Small event | No event |