Database: Wind Shock Analysis
Event ID: 20222311651
Observation time: 08/19/2022 231.70210 1651 [UT]
|
|
General
Information (About, Top)
| Year |
2022 |
| Fractional day of year |
231.702101 |
| Arrival time of shock [seconds of day] |
60661.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
247.176 |
| Y GSE location of spacecraft [Re] |
-82.437 |
| Z GSE location of spacecraft [Re] |
9.356 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0230 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0260 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.68, 2.47, 2.54 |
Event added to database
|
Thu Sep 8 15:11:38 2022
|
Event last processed
|
Thu Sep 8 15:27:36 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
39.787 ± 0.322
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-535.3 ± 6.2 |
-617.9 ± 11.2 |
| Vy GSE [km/s] |
45.6 ± 7.9 |
83.6 ± 22.6 |
| Vz GSE [km/s] |
15.5 ± 20.6 |
-24.0 ± 17.3 |
| Wi [km/s] |
49.2 ± 3.2 |
74.9 ± 4.2 |
| We [km/s] |
1556.8 ± 100.3 |
2367.5 ± 132.2 |
| Ni [n/cc] |
3.1 ± 0.2 |
7.3 ± 1.0 |
| Bx GSE [nT] |
4.7 ± 0.7 |
5.4 ± 1.3 |
| By GSE [nT] |
1.6 ± 0.5 |
2.8 ± 3.3 |
| Bz GSE [nT] |
-1.1 ± 1.6 |
-7.8 ± 1.7 |
Plasma Beta
|
0.553 ± 0.497
|
0.796 ± 0.828
|
Sound Speed [km/s]
|
63.55 ± 4.09
|
96.65 ± 5.40
|
Alfven Speed [km/s]
|
67.12 ± 4.98
|
85.79 ± 9.06
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.991 ± 0.053 |
-0.132 ± 0.402 |
-0.009 ± 0.009 |
-0.50 ± 16.45 |
187.57 ± 23.25 |
| VC |
-0.846 ± 0.121 |
0.376 ± 0.206 |
-0.378 ± 0.359 |
-22.24 ± 13.27 |
156.01 ± 13.75 |
| MX1 |
-1.000 ± 0.004 |
-0.006 ± 0.378 |
-0.018 ± 0.018 |
-1.01 ± 10.89 |
180.35 ± 21.68 |
| MX2 |
-0.965 ± 0.053 |
0.261 ± 0.194 |
-0.028 ± 0.028 |
-1.62 ± 7.31 |
164.86 ± 11.53 |
| MX3 |
-0.932 ± 0.074 |
0.361 ± 0.190 |
-0.028 ± 0.028 |
-1.63 ± 6.91 |
158.81 ± 11.68 |
| RH08 |
-0.994 ± 0.003 |
0.114 ± 0.027 |
0.006 ± 0.006 |
0.32 ± 1.48 |
173.48 ± 1.57 |
| RH09 |
-0.994 ± 0.008 |
0.114 ± 0.068 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
173.48 ± 3.94 |
| RH10 |
-0.994 ± 0.008 |
0.114 ± 0.068 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
173.48 ± 3.94 |
| Average |
-0.964 |
0.150 |
-0.058 |
-3.414 |
171.006 |
| Median |
-0.991 |
0.114 |
-0.009 |
-0.504 |
173.482 |
| Deviation |
0.053 |
0.176 |
0.130 |
7.635 |
10.633 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
21.3 ± 14.1 |
659.7 ± 1.9 |
2.39 ± 0.24 |
| VC |
55.7 ± 13.4 |
637.8 ± 3.7 |
2.39 ± 0.24 |
| MX1 |
26.4 ± 13.0 |
677.2 ± 2.2 |
2.39 ± 0.24 |
| MX2 |
39.2 ± 10.6 |
681.9 ± 3.3 |
2.39 ± 0.24 |
| MX3 |
44.5 ± 9.8 |
669.1 ± 3.8 |
2.39 ± 0.24 |
| RH08 |
31.3 ± 11.6 |
683.4 ± 2.7 |
2.39 ± 0.24 |
| RH09 |
31.5 ± 11.7 |
684.4 ± 2.7 |
2.39 ± 0.24 |
| RH10 |
31.5 ± 11.7 |
684.4 ± 18.7 |
2.39 ± 0.24 |
| Average |
35.2 |
672.2 |
2.39 |
| Median |
31.5 |
681.9 |
2.39 |
| Deviation |
10.9 |
16.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
135.3 ± 6.7 |
51.5 ± 2.1 |
62.5 ± 4.6 |
76.9 ± 2.9 |
2.63 ± 0.15 |
1.76 ± 0.10 |
| VC |
173.8 ± 12.0 |
27.1 ± 1.0 |
37.9 ± 2.8 |
88.5 ± 3.3 |
6.42 ± 0.51 |
1.97 ± 0.15 |
| MX1 |
142.5 ± 6.5 |
48.2 ± 1.9 |
60.1 ± 4.5 |
79.0 ± 3.0 |
2.96 ± 0.16 |
1.80 ± 0.09 |
| MX2 |
153.9 ± 6.2 |
39.3 ± 1.5 |
52.0 ± 3.9 |
83.8 ± 3.2 |
3.92 ± 0.19 |
1.84 ± 0.08 |
| MX3 |
154.1 ± 6.0 |
35.5 ± 1.4 |
47.9 ± 3.6 |
85.5 ± 3.2 |
4.34 ± 0.21 |
1.80 ± 0.08 |
| RH8 |
146.3 ± 5.8 |
44.9 ± 1.8 |
57.4 ± 4.3 |
81.0 ± 3.1 |
3.26 ± 0.15 |
1.81 ± 0.08 |
| RH9 |
147.5 ± 6.0 |
44.7 ± 1.8 |
57.2 ± 4.2 |
81.0 ± 3.1 |
3.30 ± 0.16 |
1.82 ± 0.09 |
| RH10 |
147.5 ± 6.0 |
44.7 ± 1.8 |
57.2 ± 4.2 |
81.0 ± 3.1 |
3.30 ± 0.16 |
1.82 ± 0.09 |
| Average |
150.1 |
42.0 |
54.0 |
82.1 |
3.8 |
1.8 |
| Median |
147.5 |
44.7 |
57.2 |
81.0 |
3.3 |
1.8 |
| Deviation |
11.3 |
7.8 |
8.0 |
3.7 |
1.2 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
58.0 ± 11.5 |
70.9 ± 2.9 |
79.9 ± 8.4 |
108.5 ± 2.8 |
0.82 ± 0.14 |
0.54 ± 0.11 |
| VC |
74.7 ± 10.4 |
37.5 ± 1.3 |
48.4 ± 5.1 |
124.0 ± 3.3 |
1.99 ± 0.30 |
0.60 ± 0.09 |
| MX1 |
59.4 ± 11.1 |
66.4 ± 2.6 |
76.8 ± 8.1 |
111.2 ± 2.9 |
0.89 ± 0.15 |
0.53 ± 0.10 |
| MX2 |
63.1 ± 12.0 |
54.4 ± 2.0 |
66.5 ± 7.0 |
117.6 ± 3.1 |
1.16 ± 0.22 |
0.54 ± 0.11 |
| MX3 |
62.2 ± 12.8 |
49.1 ± 1.7 |
61.2 ± 6.5 |
119.9 ± 3.2 |
1.27 ± 0.27 |
0.52 ± 0.11 |
| RH8 |
60.1 ± 11.4 |
62.0 ± 2.3 |
73.3 ± 7.7 |
113.8 ± 2.9 |
0.97 ± 0.18 |
0.53 ± 0.10 |
| RH9 |
60.8 ± 11.3 |
61.7 ± 2.3 |
73.1 ± 7.7 |
113.9 ± 2.9 |
0.98 ± 0.18 |
0.53 ± 0.10 |
| RH10 |
60.8 ± 11.3 |
61.7 ± 2.3 |
73.1 ± 7.7 |
113.9 ± 2.9 |
0.98 ± 0.18 |
0.53 ± 0.10 |
| Average |
62.4 |
58.0 |
69.1 |
115.3 |
1.1 |
0.5 |
| Median |
60.8 |
61.7 |
73.1 |
113.9 |
1.0 |
0.5 |
| Deviation |
5.2 |
10.6 |
10.2 |
5.0 |
0.4 |
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 Thu Sep 8 16:00:36 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
