Database: Wind Shock Analysis
Event ID: 20211531243
Observation time: 06/02/2021 153.52991 1243 [UT]
|
|
General
Information (About, Top)
| Year |
2021 |
| Fractional day of year |
153.529913 |
| Arrival time of shock [seconds of day] |
45784.5 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
210.139 |
| Y GSE location of spacecraft [Re] |
91.272 |
| Z GSE location of spacecraft [Re] |
-3.858 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0155 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0151 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.66, 44.59, 58.65 |
Event added to database
|
Thu Jan 13 10:20:57 2022
|
Event last processed
|
Fri Jan 14 11:39:22 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
58.568 ± 0.407
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-291.2 ± 0.6 |
-326.6 ± 1.7 |
| Vy GSE [km/s] |
-6.9 ± 1.3 |
5.1 ± 1.6 |
| Vz GSE [km/s] |
-3.9 ± 1.2 |
-5.2 ± 1.3 |
| Wi [km/s] |
16.3 ± 0.5 |
21.6 ± 0.9 |
| We [km/s] |
516.1 ± 14.5 |
681.7 ± 28.8 |
| Ni [n/cc] |
8.7 ± 0.5 |
18.9 ± 2.2 |
| Bx GSE [nT] |
-0.6 ± 0.1 |
-1.7 ± 0.2 |
| By GSE [nT] |
-2.4 ± 0.1 |
-5.2 ± 0.2 |
| Bz GSE [nT] |
-1.8 ± 0.1 |
-1.5 ± 0.7 |
Plasma Beta
|
0.515 ± 0.513
|
0.576 ± 0.595
|
Sound Speed [km/s]
|
21.07 ± 0.59
|
27.83 ± 1.17
|
Alfven Speed [km/s]
|
22.77 ± 0.35
|
28.67 ± 1.92
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.893 ± 0.547 |
-0.088 ± 1.017 |
0.440 ± 0.409 |
26.12 ± 70.30 |
185.65 ± 65.13 |
| VC |
-0.947 ± 0.014 |
0.319 ± 0.042 |
-0.036 ± 0.036 |
-2.04 ± 2.41 |
161.39 ± 2.52 |
| MX1 |
-0.937 ± 0.022 |
0.350 ± 0.058 |
-0.011 ± 0.011 |
-0.65 ± 3.77 |
159.51 ± 3.54 |
| MX2 |
-0.937 ± 0.021 |
0.349 ± 0.058 |
-0.026 ± 0.026 |
-1.47 ± 2.47 |
159.59 ± 3.52 |
| MX3 |
-0.937 ± 0.021 |
0.348 ± 0.058 |
-0.036 ± 0.036 |
-2.07 ± 2.20 |
159.62 ± 3.53 |
| RH08 |
-0.989 ± 0.002 |
0.148 ± 0.012 |
-0.028 ± 0.028 |
-1.60 ± 0.91 |
171.48 ± 0.68 |
| RH09 |
-0.579 ± 0.057 |
0.161 ± 0.069 |
-0.799 ± 0.557 |
-53.02 ± 4.01 |
164.46 ± 6.66 |
| RH10 |
-0.638 ± 0.054 |
0.154 ± 0.070 |
-0.754 ± 0.561 |
-48.95 ± 3.99 |
166.46 ± 6.16 |
| Average |
-0.857 |
0.218 |
-0.156 |
-10.462 |
166.020 |
| Median |
-0.937 |
0.319 |
-0.028 |
-1.601 |
164.457 |
| Deviation |
0.156 |
0.155 |
0.416 |
26.802 |
8.977 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
89.5 ± 1.5 |
315.4 ± 0.8 |
2.18 ± 0.14 |
| VC |
88.3 ± 1.9 |
343.9 ± 0.9 |
2.18 ± 0.14 |
| MX1 |
86.0 ± 1.9 |
340.4 ± 0.9 |
2.18 ± 0.14 |
| MX2 |
86.5 ± 1.9 |
340.5 ± 0.9 |
2.18 ± 0.14 |
| MX3 |
86.9 ± 1.9 |
340.5 ± 0.9 |
2.18 ± 0.14 |
| RH08 |
83.9 ± 1.7 |
356.3 ± 0.9 |
2.18 ± 0.14 |
| RH09 |
61.9 ± 3.0 |
214.6 ± 0.7 |
2.18 ± 0.14 |
| RH10 |
62.4 ± 2.9 |
235.1 ± 3.3 |
2.18 ± 0.14 |
| Average |
80.7 |
310.8 |
2.18 |
| Median |
86.5 |
340.5 |
2.18 |
| Deviation |
11.6 |
54.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
56.3 ± 0.7 |
0.1 ± 0.0 |
0.2 ± 0.0 |
31.0 ± 0.4 |
447.20 ± 7.58 |
1.82 ± 0.03 |
| VC |
70.1 ± 1.0 |
0.5 ± 0.0 |
0.7 ± 0.0 |
31.0 ± 0.4 |
154.97 ± 3.83 |
2.26 ± 0.05 |
| MX1 |
70.0 ± 1.0 |
1.1 ± 0.0 |
1.6 ± 0.0 |
31.0 ± 0.4 |
64.63 ± 1.62 |
2.26 ± 0.05 |
| MX2 |
70.0 ± 1.0 |
0.9 ± 0.0 |
1.4 ± 0.0 |
31.0 ± 0.4 |
74.94 ± 1.88 |
2.26 ± 0.05 |
| MX3 |
69.9 ± 1.0 |
0.8 ± 0.0 |
1.2 ± 0.0 |
31.0 ± 0.4 |
84.28 ± 2.12 |
2.26 ± 0.05 |
| RH8 |
69.3 ± 0.8 |
1.7 ± 0.0 |
2.4 ± 0.0 |
31.0 ± 0.4 |
41.86 ± 0.92 |
2.24 ± 0.05 |
| RH9 |
43.8 ± 1.2 |
7.5 ± 0.1 |
10.7 ± 0.2 |
30.1 ± 0.4 |
5.84 ± 0.22 |
1.46 ± 0.06 |
| RH10 |
47.3 ± 1.2 |
7.4 ± 0.1 |
10.5 ± 0.2 |
30.1 ± 0.4 |
6.43 ± 0.23 |
1.57 ± 0.06 |
| Average |
62.1 |
2.5 |
3.6 |
30.8 |
110.0 |
2.0 |
| Median |
69.9 |
1.1 |
1.6 |
31.0 |
74.9 |
2.3 |
| Deviation |
11.3 |
3.1 |
4.4 |
0.4 |
144.4 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
26.4 ± 1.7 |
0.2 ± 0.0 |
0.2 ± 0.0 |
40.0 ± 1.0 |
162.76 ± 9.18 |
0.66 ± 0.04 |
| VC |
32.8 ± 1.9 |
0.6 ± 0.0 |
0.8 ± 0.1 |
40.0 ± 1.0 |
56.27 ± 2.71 |
0.82 ± 0.04 |
| MX1 |
32.7 ± 1.9 |
1.4 ± 0.0 |
2.0 ± 0.1 |
40.0 ± 1.0 |
23.44 ± 1.13 |
0.82 ± 0.04 |
| MX2 |
32.7 ± 1.9 |
1.2 ± 0.0 |
1.7 ± 0.1 |
40.0 ± 1.0 |
27.16 ± 1.31 |
0.82 ± 0.04 |
| MX3 |
32.6 ± 1.9 |
1.1 ± 0.0 |
1.5 ± 0.1 |
40.0 ± 1.0 |
30.53 ± 1.48 |
0.82 ± 0.04 |
| RH8 |
32.6 ± 1.8 |
2.1 ± 0.0 |
3.1 ± 0.2 |
39.9 ± 1.0 |
15.28 ± 0.72 |
0.82 ± 0.04 |
| RH9 |
20.4 ± 1.6 |
9.7 ± 0.2 |
13.5 ± 0.9 |
38.8 ± 1.0 |
2.11 ± 0.16 |
0.52 ± 0.04 |
| RH10 |
21.9 ± 1.6 |
9.5 ± 0.2 |
13.3 ± 0.9 |
38.9 ± 1.0 |
2.31 ± 0.16 |
0.56 ± 0.04 |
| Average |
29.0 |
3.2 |
4.5 |
39.7 |
40.0 |
0.7 |
| Median |
32.6 |
1.4 |
2.0 |
40.0 |
27.2 |
0.8 |
| Deviation |
5.3 |
4.0 |
5.5 |
0.5 |
52.6 |
0.1 |
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 Jan 14 13:39:43 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
