Database: Wind Shock Analysis
Event ID: 20220182258
Observation time: 01/18/2022 18.95727 2258 [UT]
|
|
General
Information (About, Top)
| Year |
2022 |
| Fractional day of year |
18.957274 |
| Arrival time of shock [seconds of day] |
82708.5 ± 180.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
255.647 |
| Y GSE location of spacecraft [Re] |
24.523 |
| Z GSE location of spacecraft [Re] |
12.926 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0302 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0282 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.39, 7.33, 8.53 |
Event added to database
|
Fri Aug 12 05:48:26 2022
|
Event last processed
|
Fri Aug 12 08:20:38 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
30.756 ± 9.451
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-582.8 ± 11.7 |
-687.8 ± 11.0 |
| Vy GSE [km/s] |
-37.4 ± 4.2 |
-44.2 ± 8.1 |
| Vz GSE [km/s] |
-14.5 ± 17.9 |
-10.4 ± 16.7 |
| Wi [km/s] |
45.1 ± 2.8 |
53.7 ± 2.9 |
| We [km/s] |
1425.7 ± 87.7 |
1698.2 ± 92.5 |
| Ni [n/cc] |
1.6 ± 0.1 |
2.8 ± 0.2 |
| Bx GSE [nT] |
2.3 ± 0.6 |
-0.9 ± 0.6 |
| By GSE [nT] |
-3.7 ± 0.3 |
-6.8 ± 0.6 |
| Bz GSE [nT] |
-1.9 ± 0.9 |
-3.3 ± 1.5 |
Plasma Beta
|
0.280 ± 0.301
|
0.280 ± 0.276
|
Sound Speed [km/s]
|
58.21 ± 3.58
|
69.33 ± 3.78
|
Alfven Speed [km/s]
|
85.99 ± 4.81
|
102.11 ± 5.41
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.668 ± 0.101 |
0.645 ± 0.102 |
0.371 ± 0.353 |
21.81 ± 13.82 |
136.01 ± 6.92 |
| VC |
-0.996 ± 0.014 |
-0.074 ± 0.092 |
0.054 ± 0.054 |
3.12 ± 12.68 |
184.25 ± 5.27 |
| MX1 |
-0.684 ± 0.095 |
0.636 ± 0.098 |
0.358 ± 0.342 |
20.99 ± 11.12 |
137.06 ± 7.19 |
| MX2 |
-0.710 ± 0.074 |
0.603 ± 0.082 |
0.364 ± 0.347 |
21.32 ± 7.57 |
139.70 ± 6.14 |
| MX3 |
-0.742 ± 0.086 |
0.564 ± 0.104 |
0.364 ± 0.347 |
21.32 ± 8.13 |
142.78 ± 7.64 |
| RH08 |
-0.607 ± 0.014 |
0.435 ± 0.014 |
0.665 ± 0.543 |
41.67 ± 1.18 |
144.40 ± 1.05 |
| RH09 |
-0.592 ± 0.049 |
0.439 ± 0.051 |
0.676 ± 0.547 |
42.53 ± 3.87 |
143.40 ± 4.23 |
| RH10 |
-0.591 ± 0.054 |
0.472 ± 0.058 |
0.654 ± 0.539 |
40.82 ± 3.96 |
141.39 ± 4.88 |
| Average |
-0.699 |
0.465 |
0.438 |
26.695 |
146.123 |
| Median |
-0.668 |
0.564 |
0.371 |
21.807 |
142.776 |
| Deviation |
0.132 |
0.234 |
0.215 |
13.859 |
15.690 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
17.1 ± 7.5 |
515.0 ± 3.5 |
1.78 ± 0.24 |
| VC |
64.1 ± 7.4 |
819.8 ± 4.9 |
1.78 ± 0.24 |
| MX1 |
17.9 ± 7.6 |
528.7 ± 3.6 |
1.78 ± 0.24 |
| MX2 |
19.8 ± 7.5 |
552.2 ± 3.7 |
1.78 ± 0.24 |
| MX3 |
22.3 ± 7.4 |
579.9 ± 3.8 |
1.78 ± 0.24 |
| RH08 |
28.3 ± 7.4 |
476.7 ± 3.1 |
1.78 ± 0.24 |
| RH09 |
28.2 ± 7.6 |
461.7 ± 3.0 |
1.78 ± 0.24 |
| RH10 |
26.2 ± 7.5 |
461.6 ± 26.8 |
1.78 ± 0.24 |
| Average |
28.0 |
549.4 |
1.78 |
| Median |
26.2 |
528.7 |
1.78 |
| Deviation |
15.2 |
117.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
155.2 ± 7.4 |
53.8 ± 2.9 |
82.2 ± 4.6 |
88.9 ± 4.2 |
2.90 ± 0.26 |
1.75 ± 0.09 |
| VC |
237.5 ± 11.1 |
21.5 ± 0.8 |
37.6 ± 2.1 |
101.7 ± 3.2 |
11.09 ± 0.81 |
2.34 ± 0.11 |
| MX1 |
159.3 ± 7.6 |
53.4 ± 2.8 |
81.8 ± 4.6 |
89.1 ± 4.2 |
3.00 ± 0.27 |
1.79 ± 0.09 |
| MX2 |
166.0 ± 7.8 |
52.4 ± 2.7 |
80.9 ± 4.5 |
89.7 ± 4.1 |
3.18 ± 0.28 |
1.85 ± 0.09 |
| MX3 |
173.9 ± 8.1 |
51.2 ± 2.6 |
79.6 ± 4.5 |
90.4 ± 4.0 |
3.41 ± 0.30 |
1.93 ± 0.09 |
| RH8 |
148.6 ± 9.6 |
47.7 ± 2.2 |
75.7 ± 4.2 |
92.3 ± 3.8 |
3.13 ± 0.29 |
1.61 ± 0.11 |
| RH9 |
143.1 ± 9.7 |
47.7 ± 2.2 |
75.8 ± 4.2 |
92.3 ± 3.8 |
3.01 ± 0.28 |
1.55 ± 0.11 |
| RH10 |
144.1 ± 9.4 |
48.9 ± 2.3 |
77.1 ± 4.3 |
91.7 ± 3.8 |
2.95 ± 0.27 |
1.57 ± 0.11 |
| Average |
166.0 |
47.1 |
73.8 |
92.0 |
4.1 |
1.8 |
| Median |
159.3 |
51.2 |
79.6 |
91.7 |
3.1 |
1.8 |
| Deviation |
30.8 |
10.6 |
14.9 |
4.2 |
2.8 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
87.9 ± 8.1 |
64.1 ± 3.1 |
97.6 ± 5.2 |
105.5 ± 4.9 |
1.37 ± 0.16 |
0.84 ± 0.10 |
| VC |
132.2 ± 9.8 |
25.6 ± 1.0 |
44.6 ± 2.4 |
120.8 ± 4.6 |
5.18 ± 0.53 |
1.10 ± 0.11 |
| MX1 |
90.4 ± 8.3 |
63.6 ± 3.0 |
97.2 ± 5.1 |
105.8 ± 4.9 |
1.42 ± 0.17 |
0.86 ± 0.10 |
| MX2 |
94.0 ± 8.3 |
62.5 ± 2.9 |
96.0 ± 5.1 |
106.5 ± 4.8 |
1.51 ± 0.17 |
0.89 ± 0.10 |
| MX3 |
98.3 ± 8.4 |
61.0 ± 2.8 |
94.5 ± 5.0 |
107.4 ± 4.8 |
1.62 ± 0.18 |
0.92 ± 0.10 |
| RH8 |
85.0 ± 6.8 |
56.8 ± 2.5 |
89.9 ± 4.8 |
109.6 ± 4.7 |
1.50 ± 0.13 |
0.78 ± 0.06 |
| RH9 |
81.2 ± 6.9 |
56.8 ± 2.5 |
90.0 ± 4.8 |
109.6 ± 4.7 |
1.43 ± 0.12 |
0.74 ± 0.06 |
| RH10 |
82.5 ± 6.7 |
58.3 ± 2.6 |
91.6 ± 4.9 |
108.8 ± 4.7 |
1.42 ± 0.12 |
0.76 ± 0.06 |
| Average |
93.9 |
56.1 |
87.7 |
109.3 |
1.9 |
0.9 |
| Median |
90.4 |
61.0 |
94.5 |
108.8 |
1.5 |
0.9 |
| Deviation |
16.5 |
12.7 |
17.7 |
4.9 |
1.3 |
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 08:39:46 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
