Database: Wind Shock Analysis
Event ID: 20213312154
Observation time: 11/27/2021 331.91273 2154 [UT]
|
|
General
Information (About, Top)
| Year |
2021 |
| Fractional day of year |
331.912726 |
| Arrival time of shock [seconds of day] |
78859.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
203.093 |
| Y GSE location of spacecraft [Re] |
87.451 |
| Z GSE location of spacecraft [Re] |
-4.072 |
| Upstream plasma points selected for analysis |
0012 |
| Upstream field points selected for analysis |
0389 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0185 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.36, 4.29, 5.03 |
Event added to database
|
Thu Jan 13 11:31:51 2022
|
Event last processed
|
Fri Jan 14 11:56:50 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
51.161 ± 0.293
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-311.1 ± 17.4 |
-380.2 ± 3.2 |
| Vy GSE [km/s] |
-2.0 ± 8.5 |
-22.2 ± 2.3 |
| Vz GSE [km/s] |
5.8 ± 8.9 |
-15.2 ± 8.8 |
| Wi [km/s] |
30.7 ± 59.3 |
25.5 ± 2.6 |
| We [km/s] |
971.4 ± 1874.0 |
806.8 ± 82.8 |
| Ni [n/cc] |
6.8 ± 0.9 |
21.0 ± 1.2 |
| Bx GSE [nT] |
3.1 ± 0.3 |
3.5 ± 0.5 |
| By GSE [nT] |
-4.3 ± 1.2 |
-12.8 ± 0.6 |
| Bz GSE [nT] |
2.2 ± 0.8 |
-3.2 ± 2.5 |
Plasma Beta
|
0.690 ± 0.082
|
0.151 ± 0.150
|
Sound Speed [km/s]
|
39.66 ± 76.51
|
32.94 ± 3.38
|
Alfven Speed [km/s]
|
49.72 ± 10.28
|
65.88 ± 1.67
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.619 ± 0.135 |
0.399 ± 0.189 |
-0.676 ± 0.547 |
-42.53 ± 6.34 |
147.19 ± 17.10 |
| VC |
-0.914 ± 0.080 |
-0.268 ± 0.094 |
-0.305 ± 0.295 |
-17.77 ± 14.72 |
196.31 ± 5.70 |
| MX1 |
-0.878 ± 0.119 |
0.271 ± 0.277 |
-0.395 ± 0.373 |
-23.27 ± 12.53 |
162.85 ± 18.02 |
| MX2 |
-0.977 ± 0.038 |
0.093 ± 0.195 |
-0.190 ± 0.187 |
-10.93 ± 10.00 |
174.54 ± 11.43 |
| MX3 |
-0.992 ± 0.022 |
0.037 ± 0.170 |
-0.117 ± 0.117 |
-6.73 ± 10.15 |
177.87 ± 9.84 |
| RH08 |
-0.999 ± 0.001 |
0.026 ± 0.009 |
-0.039 ± 0.039 |
-2.24 ± 1.08 |
178.50 ± 0.52 |
| RH09 |
-0.999 ± 0.002 |
0.026 ± 0.056 |
-0.028 ± 0.028 |
-1.60 ± 4.10 |
178.50 ± 3.19 |
| RH10 |
-1.000 ± 0.002 |
0.026 ± 0.067 |
-0.006 ± 0.006 |
-0.32 ± 4.04 |
178.50 ± 3.81 |
| Average |
-0.922 |
0.076 |
-0.219 |
-13.174 |
174.281 |
| Median |
-0.977 |
0.037 |
-0.117 |
-6.726 |
178.496 |
| Deviation |
0.131 |
0.196 |
0.231 |
14.394 |
14.224 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
26.0 ± 11.9 |
264.2 ± 1.4 |
2.90 ± 0.35 |
| VC |
65.9 ± 8.6 |
397.8 ± 1.5 |
2.90 ± 0.35 |
| MX1 |
35.0 ± 7.8 |
368.1 ± 1.4 |
2.90 ± 0.35 |
| MX2 |
48.8 ± 6.0 |
408.9 ± 1.4 |
2.90 ± 0.35 |
| MX3 |
53.4 ± 5.5 |
414.8 ± 1.4 |
2.90 ± 0.35 |
| RH08 |
55.9 ± 4.9 |
416.3 ± 1.4 |
2.90 ± 0.35 |
| RH09 |
56.2 ± 4.8 |
416.3 ± 1.4 |
2.90 ± 0.35 |
| RH10 |
56.8 ± 4.6 |
415.8 ± 11.6 |
2.90 ± 0.35 |
| Average |
49.7 |
387.8 |
2.90 |
| Median |
55.9 |
414.8 |
2.90 |
| Deviation |
13.0 |
52.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
76.3 ± 8.8 |
20.3 ± 16.3 |
44.7 ± 9.2 |
67.4 ± 68.6 |
4.70 ± 1.32 |
1.53 ± 0.46 |
| VC |
114.8 ± 17.8 |
8.9 ± 7.3 |
20.3 ± 4.2 |
69.9 ± 70.1 |
16.36 ± 4.74 |
2.23 ± 0.68 |
| MX1 |
97.9 ± 13.5 |
18.3 ± 14.8 |
40.7 ± 8.4 |
68.0 ± 68.9 |
6.73 ± 1.92 |
1.96 ± 0.59 |
| MX2 |
106.2 ± 16.3 |
14.5 ± 11.8 |
32.7 ± 6.8 |
68.9 ± 69.5 |
9.27 ± 2.67 |
2.10 ± 0.63 |
| MX3 |
106.9 ± 16.9 |
13.1 ± 10.7 |
29.6 ± 6.1 |
69.2 ± 69.6 |
10.37 ± 3.00 |
2.11 ± 0.64 |
| RH8 |
105.9 ± 17.2 |
12.3 ± 10.0 |
27.9 ± 5.8 |
69.3 ± 69.7 |
10.97 ± 3.18 |
2.09 ± 0.63 |
| RH9 |
105.6 ± 17.2 |
12.2 ± 10.0 |
27.7 ± 5.7 |
69.4 ± 69.7 |
11.03 ± 3.20 |
2.08 ± 0.63 |
| RH10 |
104.9 ± 17.2 |
12.0 ± 9.8 |
27.2 ± 5.6 |
69.4 ± 69.8 |
11.14 ± 3.23 |
2.07 ± 0.62 |
| Average |
102.3 |
13.9 |
31.4 |
68.9 |
10.1 |
2.0 |
| Median |
105.9 |
13.1 |
29.6 |
69.3 |
11.0 |
2.1 |
| Deviation |
11.5 |
3.7 |
7.9 |
0.8 |
3.4 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
27.3 ± 7.9 |
28.7 ± 2.7 |
59.2 ± 1.5 |
67.8 ± 1.8 |
0.94 ± 0.18 |
0.40 ± 0.11 |
| VC |
39.7 ± 4.5 |
12.2 ± 1.0 |
27.0 ± 0.7 |
72.7 ± 2.3 |
3.25 ± 0.13 |
0.55 ± 0.04 |
| MX1 |
34.4 ± 6.1 |
25.7 ± 2.3 |
54.0 ± 1.4 |
69.0 ± 2.0 |
1.33 ± 0.13 |
0.50 ± 0.07 |
| MX2 |
36.5 ± 4.5 |
20.1 ± 1.7 |
43.4 ± 1.1 |
70.9 ± 2.2 |
1.81 ± 0.10 |
0.51 ± 0.05 |
| MX3 |
36.5 ± 3.9 |
18.1 ± 1.5 |
39.3 ± 1.0 |
71.4 ± 2.2 |
2.02 ± 0.10 |
0.51 ± 0.04 |
| RH8 |
36.5 ± 3.5 |
16.9 ± 1.4 |
36.9 ± 0.9 |
71.7 ± 2.2 |
2.16 ± 0.10 |
0.51 ± 0.04 |
| RH9 |
36.5 ± 3.4 |
16.8 ± 1.4 |
36.6 ± 0.9 |
71.8 ± 2.2 |
2.17 ± 0.11 |
0.51 ± 0.04 |
| RH10 |
36.2 ± 3.3 |
16.5 ± 1.4 |
36.1 ± 0.9 |
71.8 ± 2.3 |
2.19 ± 0.11 |
0.50 ± 0.04 |
| Average |
35.5 |
19.4 |
41.6 |
70.9 |
2.0 |
0.5 |
| Median |
36.5 |
18.1 |
39.3 |
71.7 |
2.2 |
0.5 |
| Deviation |
3.6 |
5.4 |
10.4 |
1.6 |
0.7 |
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 08:41:56 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
