Database: Wind Shock Analysis
Event ID: 20220721005
Observation time: 03/13/2022 72.42064 1005 [UT]
|
|
General
Information (About, Top)
| Year |
2022 |
| Fractional day of year |
72.420642 |
| Arrival time of shock [seconds of day] |
36343.5 ± 220.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
216.642 |
| Y GSE location of spacecraft [Re] |
-101.595 |
| Z GSE location of spacecraft [Re] |
1.385 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0260 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0266 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.63, 11.93, 14.15 |
Event added to database
|
Fri Aug 12 06:39:14 2022
|
Event last processed
|
Fri Aug 12 08:29:51 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
106.153 ± 22.123
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-360.8 ± 6.7 |
-545.7 ± 21.9 |
| Vy GSE [km/s] |
-4.0 ± 14.8 |
2.8 ± 16.1 |
| Vz GSE [km/s] |
1.7 ± 9.3 |
18.5 ± 29.6 |
| Wi [km/s] |
23.0 ± 5.0 |
60.1 ± 13.7 |
| We [km/s] |
726.1 ± 157.6 |
1900.4 ± 433.1 |
| Ni [n/cc] |
2.7 ± 0.7 |
8.3 ± 2.5 |
| Bx GSE [nT] |
1.7 ± 0.6 |
9.3 ± 2.1 |
| By GSE [nT] |
-0.8 ± 0.8 |
3.9 ± 1.5 |
| Bz GSE [nT] |
-0.5 ± 0.5 |
1.3 ± 2.8 |
Plasma Beta
|
1.010 ± 0.622
|
0.781 ± 0.526
|
Sound Speed [km/s]
|
29.64 ± 6.43
|
77.58 ± 17.68
|
Alfven Speed [km/s]
|
29.15 ± 9.51
|
83.40 ± 21.27
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.692 ± 0.341 |
0.673 ± 0.348 |
0.261 ± 0.255 |
15.12 ± 33.15 |
135.77 ± 27.49 |
| VC |
-0.996 ± 0.013 |
0.044 ± 0.117 |
0.082 ± 0.081 |
4.69 ± 8.39 |
177.47 ± 6.73 |
| MX1 |
-0.787 ± 0.453 |
0.482 ± 0.652 |
0.385 ± 0.365 |
22.64 ± 40.34 |
148.51 ± 46.37 |
| MX2 |
-0.672 ± 0.278 |
0.720 ± 0.261 |
0.176 ± 0.174 |
10.11 ± 26.23 |
133.02 ± 21.69 |
| MX3 |
-0.664 ± 0.270 |
0.712 ± 0.254 |
0.228 ± 0.224 |
13.20 ± 23.93 |
132.96 ± 21.05 |
| RH08 |
-0.252 ± 0.012 |
0.809 ± 0.021 |
-0.531 ± 0.474 |
-32.05 ± 2.31 |
107.30 ± 0.74 |
| RH09 |
-0.322 ± 0.061 |
0.870 ± 0.034 |
-0.374 ± 0.356 |
-21.98 ± 4.12 |
110.31 ± 3.96 |
| RH10 |
-0.307 ± 0.067 |
0.875 ± 0.034 |
-0.374 ± 0.356 |
-21.98 ± 4.01 |
109.30 ± 4.34 |
| Average |
-0.586 |
0.648 |
-0.019 |
-1.284 |
131.830 |
| Median |
-0.664 |
0.720 |
0.176 |
10.109 |
133.019 |
| Deviation |
0.265 |
0.275 |
0.352 |
20.771 |
23.762 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
28.9 ± 21.7 |
467.2 ± 4.7 |
2.97 ± 1.02 |
| VC |
32.6 ± 14.2 |
649.6 ± 6.6 |
2.97 ± 1.02 |
| MX1 |
26.0 ± 15.6 |
534.2 ± 5.7 |
2.97 ± 1.02 |
| MX2 |
30.4 ± 23.8 |
448.6 ± 4.4 |
2.97 ± 1.02 |
| MX3 |
29.8 ± 23.8 |
445.1 ± 4.4 |
2.97 ± 1.02 |
| RH08 |
70.8 ± 20.5 |
158.3 ± 5.0 |
2.97 ± 1.02 |
| RH09 |
63.1 ± 21.4 |
205.4 ± 4.4 |
2.97 ± 1.02 |
| RH10 |
63.8 ± 21.5 |
195.8 ± 33.0 |
2.97 ± 1.02 |
| Average |
43.2 |
388.0 |
2.97 |
| Median |
32.6 |
448.6 |
2.97 |
| Deviation |
19.0 |
179.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
219.8 ± 12.3 |
18.7 ± 3.4 |
25.5 ± 8.3 |
38.3 ± 3.8 |
12.04 ± 2.03 |
5.77 ± 0.48 |
| VC |
290.3 ± 6.9 |
17.8 ± 3.2 |
24.5 ± 8.0 |
38.8 ± 3.9 |
16.80 ± 3.17 |
7.55 ± 0.73 |
| MX1 |
251.5 ± 10.3 |
19.4 ± 3.6 |
26.2 ± 8.6 |
38.0 ± 3.8 |
13.33 ± 2.47 |
6.67 ± 0.60 |
| MX2 |
208.9 ± 12.9 |
18.3 ± 3.3 |
25.1 ± 8.2 |
38.5 ± 3.9 |
11.66 ± 1.87 |
5.45 ± 0.43 |
| MX3 |
208.2 ± 12.7 |
18.5 ± 3.3 |
25.3 ± 8.3 |
38.4 ± 3.8 |
11.54 ± 1.88 |
5.45 ± 0.44 |
| RH8 |
71.6 ± 14.7 |
6.4 ± 1.0 |
9.6 ± 3.1 |
42.3 ± 4.1 |
11.23 ± 1.30 |
1.68 ± 0.25 |
| RH9 |
93.5 ± 15.1 |
8.9 ± 1.4 |
13.2 ± 4.3 |
41.8 ± 4.1 |
10.61 ± 1.04 |
2.23 ± 0.24 |
| RH10 |
89.4 ± 15.1 |
8.6 ± 1.4 |
12.9 ± 4.2 |
41.8 ± 4.1 |
10.39 ± 1.05 |
2.13 ± 0.25 |
| Average |
179.2 |
14.6 |
20.3 |
39.7 |
12.2 |
4.6 |
| Median |
208.9 |
18.3 |
25.1 |
38.8 |
11.7 |
5.5 |
| Deviation |
82.8 |
5.6 |
7.1 |
1.9 |
2.1 |
2.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
83.0 ± 10.3 |
53.2 ± 11.7 |
73.0 ± 18.6 |
102.9 ± 11.0 |
1.62 ± 0.36 |
0.81 ± 0.10 |
| VC |
104.6 ± 22.3 |
50.4 ± 10.9 |
70.2 ± 17.9 |
104.3 ± 11.3 |
2.12 ± 0.47 |
1.00 ± 0.20 |
| MX1 |
96.2 ± 17.3 |
55.3 ± 12.3 |
75.0 ± 19.1 |
101.8 ± 10.7 |
1.80 ± 0.41 |
0.95 ± 0.14 |
| MX2 |
76.8 ± 8.0 |
52.1 ± 11.4 |
71.9 ± 18.3 |
103.5 ± 11.1 |
1.53 ± 0.35 |
0.75 ± 0.09 |
| MX3 |
76.8 ± 8.7 |
52.5 ± 11.5 |
72.4 ± 18.5 |
103.3 ± 11.1 |
1.52 ± 0.35 |
0.75 ± 0.09 |
| RH8 |
28.4 ± 23.2 |
17.9 ± 3.5 |
27.4 ± 7.0 |
114.7 ± 13.9 |
1.76 ± 1.57 |
0.27 ± 0.24 |
| RH9 |
34.3 ± 18.8 |
24.9 ± 4.9 |
37.8 ± 9.6 |
113.3 ± 13.6 |
1.50 ± 0.97 |
0.32 ± 0.20 |
| RH10 |
33.0 ± 19.0 |
24.3 ± 4.8 |
36.9 ± 9.4 |
113.5 ± 13.6 |
1.48 ± 1.00 |
0.31 ± 0.20 |
| Average |
66.6 |
41.3 |
58.1 |
107.1 |
1.7 |
0.6 |
| Median |
76.8 |
52.1 |
71.9 |
104.3 |
1.6 |
0.7 |
| Deviation |
30.3 |
15.9 |
20.2 |
5.6 |
0.2 |
0.3 |
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 08:39:34 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
