Database: Wind Shock Analysis
Event ID: 20220322127
Observation time: 02/01/2022 32.89429 2127 [UT]
|
|
General
Information (About, Top)
| Year |
2022 |
| Fractional day of year |
32.894288 |
| Arrival time of shock [seconds of day] |
77266.5 ± 50.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
257.423 |
| Y GSE location of spacecraft [Re] |
-24.839 |
| Z GSE location of spacecraft [Re] |
12.832 |
| Upstream plasma points selected for analysis |
0013 |
| Upstream field points selected for analysis |
0448 |
| Downstream plasma points selected for analysis |
0011
|
| Downstream field points selected for analysis |
0358 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.61, 7.18, 7.36 |
Event added to database
|
Fri Aug 12 05:51:47 2022
|
Event last processed
|
Fri Aug 12 08:23:22 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
54.290 ± 1.457
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-344.3 ± 3.2 |
-466.8 ± 3.7 |
| Vy GSE [km/s] |
-6.5 ± 3.4 |
-23.9 ± 8.0 |
| Vz GSE [km/s] |
10.1 ± 8.6 |
-30.3 ± 18.5 |
| Wi [km/s] |
26.6 ± 1.7 |
58.0 ± 3.2 |
| We [km/s] |
839.6 ± 54.1 |
1833.5 ± 102.0 |
| Ni [n/cc] |
3.0 ± 0.2 |
7.2 ± 0.7 |
| Bx GSE [nT] |
-4.1 ± 0.2 |
-1.2 ± 0.4 |
| By GSE [nT] |
3.6 ± 0.2 |
11.5 ± 0.3 |
| Bz GSE [nT] |
-0.7 ± 0.6 |
3.4 ± 2.6 |
Plasma Beta
|
0.142 ± 0.140
|
0.339 ± 0.345
|
Sound Speed [km/s]
|
34.28 ± 2.21
|
74.85 ± 4.16
|
Alfven Speed [km/s]
|
71.03 ± 2.57
|
100.60 ± 6.96
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.856 ± 0.049 |
0.463 ± 0.080 |
-0.230 ± 0.225 |
-13.27 ± 7.03 |
151.61 ± 5.25 |
| VC |
-0.943 ± 0.044 |
-0.134 ± 0.066 |
-0.304 ± 0.294 |
-17.68 ± 8.15 |
188.10 ± 3.96 |
| MX1 |
-0.873 ± 0.040 |
0.446 ± 0.071 |
-0.196 ± 0.194 |
-11.33 ± 5.65 |
152.93 ± 4.64 |
| MX2 |
-0.904 ± 0.018 |
0.407 ± 0.039 |
-0.129 ± 0.128 |
-7.40 ± 3.12 |
155.77 ± 2.44 |
| MX3 |
-0.917 ± 0.014 |
0.388 ± 0.032 |
-0.096 ± 0.096 |
-5.53 ± 2.64 |
157.04 ± 1.99 |
| RH08 |
-0.921 ± 0.001 |
0.364 ± 0.001 |
0.140 ± 0.139 |
8.03 ± 0.65 |
158.44 ± 0.00 |
| RH09 |
-0.910 ± 0.025 |
0.360 ± 0.056 |
0.207 ± 0.204 |
11.93 ± 3.87 |
158.44 ± 3.49 |
| RH10 |
-0.914 ± 0.025 |
0.361 ± 0.057 |
0.184 ± 0.182 |
10.62 ± 3.94 |
158.44 ± 3.55 |
| Average |
-0.905 |
0.332 |
-0.053 |
-3.078 |
160.096 |
| Median |
-0.910 |
0.388 |
-0.096 |
-5.528 |
158.440 |
| Deviation |
0.028 |
0.192 |
0.201 |
11.626 |
11.611 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
15.1 ± 4.0 |
467.6 ± 1.9 |
2.47 ± 0.43 |
| VC |
49.5 ± 3.2 |
543.3 ± 1.9 |
2.47 ± 0.43 |
| MX1 |
15.8 ± 3.7 |
475.3 ± 1.8 |
2.47 ± 0.43 |
| MX2 |
18.1 ± 3.3 |
490.8 ± 1.7 |
2.47 ± 0.43 |
| MX3 |
19.5 ± 3.3 |
496.1 ± 1.6 |
2.47 ± 0.43 |
| RH08 |
25.8 ± 4.8 |
487.4 ± 1.2 |
2.47 ± 0.43 |
| RH09 |
28.2 ± 5.2 |
477.3 ± 1.2 |
2.47 ± 0.43 |
| RH10 |
27.4 ± 5.1 |
480.9 ± 14.2 |
2.47 ± 0.43 |
| Average |
24.9 |
489.8 |
2.47 |
| Median |
25.8 |
487.4 |
2.47 |
| Deviation |
11.2 |
23.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
178.1 ± 1.9 |
32.7 ± 2.0 |
68.6 ± 2.5 |
71.8 ± 2.5 |
5.46 ± 0.34 |
2.48 ± 0.10 |
| VC |
220.7 ± 3.4 |
20.8 ± 1.1 |
46.2 ± 1.7 |
76.1 ± 1.9 |
10.66 ± 0.67 |
2.90 ± 0.08 |
| MX1 |
179.6 ± 2.0 |
32.6 ± 2.0 |
68.4 ± 2.5 |
71.8 ± 2.4 |
5.53 ± 0.34 |
2.50 ± 0.10 |
| MX2 |
183.4 ± 2.3 |
32.1 ± 2.0 |
67.5 ± 2.4 |
72.0 ± 2.4 |
5.73 ± 0.34 |
2.55 ± 0.10 |
| MX3 |
184.1 ± 2.4 |
31.8 ± 2.0 |
67.0 ± 2.4 |
72.2 ± 2.4 |
5.81 ± 0.34 |
2.55 ± 0.10 |
| RH8 |
171.3 ± 3.8 |
30.0 ± 1.8 |
64.0 ± 2.3 |
72.9 ± 2.3 |
5.72 ± 0.28 |
2.35 ± 0.10 |
| RH9 |
164.3 ± 4.3 |
29.3 ± 1.7 |
62.6 ± 2.3 |
73.3 ± 2.2 |
5.62 ± 0.26 |
2.24 ± 0.10 |
| RH10 |
166.6 ± 4.1 |
29.5 ± 1.8 |
63.1 ± 2.3 |
73.1 ± 2.3 |
5.65 ± 0.26 |
2.28 ± 0.10 |
| Average |
181.0 |
29.9 |
63.4 |
72.9 |
6.3 |
2.5 |
| Median |
179.6 |
31.8 |
67.0 |
72.9 |
5.7 |
2.5 |
| Deviation |
17.7 |
3.9 |
7.4 |
1.4 |
1.8 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
72.0 ± 9.7 |
69.5 ± 3.2 |
97.1 ± 6.7 |
104.4 ± 6.1 |
1.04 ± 0.17 |
0.69 ± 0.12 |
| VC |
90.5 ± 7.5 |
41.2 ± 1.4 |
65.4 ± 4.5 |
118.6 ± 5.1 |
2.20 ± 0.25 |
0.77 ± 0.09 |
| MX1 |
72.4 ± 9.1 |
69.1 ± 3.2 |
96.8 ± 6.7 |
104.7 ± 6.1 |
1.05 ± 0.17 |
0.70 ± 0.11 |
| MX2 |
74.5 ± 7.7 |
67.6 ± 3.0 |
95.6 ± 6.6 |
105.7 ± 5.9 |
1.11 ± 0.15 |
0.71 ± 0.10 |
| MX3 |
74.6 ± 7.1 |
66.7 ± 2.9 |
94.9 ± 6.6 |
106.3 ± 5.8 |
1.12 ± 0.14 |
0.71 ± 0.09 |
| RH8 |
70.5 ± 3.5 |
62.1 ± 2.5 |
90.6 ± 6.3 |
109.1 ± 5.6 |
1.14 ± 0.10 |
0.65 ± 0.05 |
| RH9 |
67.4 ± 2.9 |
60.1 ± 2.4 |
88.6 ± 6.1 |
110.2 ± 5.5 |
1.12 ± 0.09 |
0.61 ± 0.04 |
| RH10 |
68.4 ± 3.0 |
60.8 ± 2.4 |
89.3 ± 6.2 |
109.8 ± 5.5 |
1.13 ± 0.09 |
0.62 ± 0.04 |
| Average |
73.8 |
62.2 |
89.8 |
108.6 |
1.2 |
0.7 |
| Median |
72.4 |
66.7 |
94.9 |
109.1 |
1.1 |
0.7 |
| Deviation |
7.2 |
9.3 |
10.4 |
4.6 |
0.4 |
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 Aug 12 08:39:43 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
