Database: Wind Shock Analysis
Event ID: 20220422206
Observation time: 02/11/2022 42.92099 2206 [UT]
|
|
General
Information (About, Top)
| Year |
2022 |
| Fractional day of year |
42.920990 |
| Arrival time of shock [seconds of day] |
79573.5 ± 50.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
250.029 |
| Y GSE location of spacecraft [Re] |
-56.994 |
| Z GSE location of spacecraft [Re] |
11.410 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0175 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0273 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.63, 10.62, 11.11 |
Event added to database
|
Fri Aug 12 05:56:10 2022
|
Event last processed
|
Fri Aug 12 08:27:36 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
62.790 ± 0.670
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-485.0 ± 6.2 |
-558.0 ± 11.6 |
| Vy GSE [km/s] |
1.0 ± 7.0 |
-3.8 ± 13.3 |
| Vz GSE [km/s] |
-13.4 ± 4.4 |
8.0 ± 9.4 |
| Wi [km/s] |
65.0 ± 7.6 |
50.8 ± 4.5 |
| We [km/s] |
2056.2 ± 240.1 |
1605.1 ± 140.7 |
| Ni [n/cc] |
8.5 ± 0.8 |
4.2 ± 0.4 |
| Bx GSE [nT] |
3.9 ± 0.5 |
3.7 ± 1.6 |
| By GSE [nT] |
-6.3 ± 1.3 |
-2.1 ± 1.6 |
| Bz GSE [nT] |
7.2 ± 0.3 |
1.5 ± 1.2 |
Plasma Beta
|
0.732 ± 0.629
|
0.911 ± 0.905
|
Sound Speed [km/s]
|
83.95 ± 9.80
|
65.53 ± 5.75
|
Alfven Speed [km/s]
|
78.26 ± 6.99
|
54.26 ± 4.23
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.937 ± 0.231 |
0.344 ± 0.626 |
0.059 ± 0.059 |
3.38 ± 24.86 |
159.84 ± 38.26 |
| VC |
-0.962 ± 0.028 |
-0.040 ± 0.175 |
0.271 ± 0.264 |
15.72 ± 5.71 |
182.36 ± 10.40 |
| MX1 |
-0.988 ± 0.029 |
0.045 ± 0.225 |
0.151 ± 0.150 |
8.67 ± 10.20 |
177.40 ± 13.07 |
| MX2 |
-0.997 ± 0.023 |
-0.030 ± 0.208 |
0.078 ± 0.078 |
4.47 ± 16.51 |
181.71 ± 11.96 |
| MX3 |
-0.988 ± 0.027 |
0.042 ± 0.241 |
0.151 ± 0.149 |
8.66 ± 9.43 |
177.54 ± 13.95 |
| RH08 |
-1.000 ± 0.000 |
-0.026 ± 0.017 |
0.006 ± 0.006 |
0.32 ± 0.91 |
181.50 ± 0.96 |
| RH09 |
-1.000 ± 0.002 |
0.026 ± 0.069 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
178.50 ± 3.94 |
| RH10 |
-1.000 ± 0.002 |
0.026 ± 0.069 |
-0.017 ± 0.017 |
-0.96 ± 4.05 |
178.50 ± 3.94 |
| Average |
-0.984 |
0.049 |
0.087 |
4.993 |
177.169 |
| Median |
-0.988 |
0.026 |
0.078 |
4.470 |
178.496 |
| Deviation |
0.023 |
0.124 |
0.099 |
5.737 |
7.273 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
58.9 ± 2.4 |
391.7 ± 2.9 |
0.50 ± 0.07 |
| VC |
81.5 ± 2.8 |
392.4 ± 4.0 |
0.50 ± 0.07 |
| MX1 |
73.0 ± 2.9 |
408.8 ± 3.7 |
0.50 ± 0.07 |
| MX2 |
72.4 ± 3.3 |
414.8 ± 3.8 |
0.50 ± 0.07 |
| MX3 |
73.1 ± 2.9 |
408.8 ± 3.7 |
0.50 ± 0.07 |
| RH08 |
69.2 ± 3.5 |
419.0 ± 3.7 |
0.50 ± 0.07 |
| RH09 |
66.8 ± 3.3 |
420.5 ± 3.6 |
0.50 ± 0.07 |
| RH10 |
66.3 ± 3.4 |
420.9 ± 23.9 |
0.50 ± 0.07 |
| Average |
70.1 |
409.6 |
0.50 |
| Median |
72.4 |
414.8 |
0.50 |
| Deviation |
6.6 |
11.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-62.4 ± 4.6 |
30.3 ± 1.0 |
40.5 ± 3.6 |
111.1 ± 4.0 |
-2.06 ± 0.18 |
-0.56 ± 0.06 |
| VC |
-70.4 ± 7.3 |
8.4 ± 0.3 |
11.6 ± 1.0 |
114.9 ± 4.1 |
-8.39 ± 0.91 |
-0.61 ± 0.08 |
| MX1 |
-68.2 ± 6.5 |
16.7 ± 0.5 |
22.9 ± 2.0 |
114.0 ± 4.0 |
-4.09 ± 0.41 |
-0.60 ± 0.07 |
| MX2 |
-67.5 ± 6.6 |
17.3 ± 0.6 |
23.6 ± 2.1 |
113.9 ± 4.0 |
-3.91 ± 0.40 |
-0.59 ± 0.07 |
| MX3 |
-68.2 ± 6.5 |
16.6 ± 0.5 |
22.8 ± 2.0 |
114.0 ± 4.0 |
-4.10 ± 0.42 |
-0.60 ± 0.07 |
| RH8 |
-65.7 ± 6.3 |
20.4 ± 0.7 |
27.8 ± 2.5 |
113.4 ± 4.0 |
-3.22 ± 0.32 |
-0.58 ± 0.07 |
| RH9 |
-64.4 ± 6.0 |
22.8 ± 0.7 |
30.9 ± 2.8 |
112.9 ± 4.0 |
-2.83 ± 0.28 |
-0.57 ± 0.07 |
| RH10 |
-64.1 ± 5.9 |
23.2 ± 0.7 |
31.5 ± 2.8 |
112.8 ± 4.0 |
-2.76 ± 0.27 |
-0.57 ± 0.06 |
| Average |
-66.4 |
19.5 |
26.4 |
113.4 |
-3.9 |
-0.6 |
| Median |
-65.7 |
20.4 |
27.8 |
113.9 |
-3.2 |
-0.6 |
| Deviation |
2.7 |
6.4 |
8.4 |
1.1 |
1.9 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-130.4 ± 8.1 |
22.2 ± 0.8 |
28.1 ± 2.2 |
82.3 ± 3.0 |
-5.88 ± 0.43 |
-1.59 ± 0.11 |
| VC |
-146.6 ± 12.9 |
6.2 ± 0.2 |
8.0 ± 0.6 |
85.1 ± 3.1 |
-23.86 ± 2.41 |
-1.72 ± 0.15 |
| MX1 |
-143.3 ± 11.7 |
12.2 ± 0.4 |
15.9 ± 1.2 |
84.4 ± 3.1 |
-11.72 ± 1.11 |
-1.70 ± 0.14 |
| MX2 |
-142.0 ± 12.2 |
12.6 ± 0.5 |
16.4 ± 1.3 |
84.3 ± 3.1 |
-11.25 ± 1.12 |
-1.68 ± 0.15 |
| MX3 |
-143.3 ± 11.7 |
12.2 ± 0.4 |
15.8 ± 1.2 |
84.4 ± 3.1 |
-11.77 ± 1.12 |
-1.70 ± 0.14 |
| RH8 |
-138.9 ± 11.9 |
15.0 ± 0.5 |
19.3 ± 1.5 |
84.0 ± 3.1 |
-9.29 ± 0.93 |
-1.66 ± 0.15 |
| RH9 |
-137.1 ± 11.3 |
16.7 ± 0.6 |
21.4 ± 1.7 |
83.6 ± 3.1 |
-8.23 ± 0.79 |
-1.64 ± 0.14 |
| RH10 |
-136.6 ± 11.2 |
17.0 ± 0.6 |
21.8 ± 1.7 |
83.6 ± 3.1 |
-8.03 ± 0.78 |
-1.64 ± 0.14 |
| Average |
-139.8 |
14.3 |
18.3 |
84.0 |
-11.3 |
-1.7 |
| Median |
-138.9 |
15.0 |
19.3 |
84.3 |
-9.3 |
-1.7 |
| Deviation |
5.1 |
4.7 |
5.9 |
0.8 |
5.5 |
0.0 |
Survey interval (About, Top)
Selected
data (About, Top)
|
Key plasma parameters
|
Velocity
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
Theta Bn (About, Top)
Mach Numbers (About, Top)
Page updated Fri Aug 12 08:39:37 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
