Database: Wind Shock Analysis
Event ID: 20230172101
Observation time: 01/17/2023 17.87602 2101 [UT]
|
|
General
Information (About, Top)
| Year |
2023 |
| Fractional day of year |
17.876024 |
| Arrival time of shock [seconds of day] |
75688.5 ± 80.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
258.180 |
| Y GSE location of spacecraft [Re] |
-4.510 |
| Z GSE location of spacecraft [Re] |
13.131 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0155 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0225 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.20, 7.39, 7.71 |
Event added to database
|
Wed Oct 11 16:30:08 2023
|
Event last processed
|
Thu Oct 12 10:27:38 2023
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
54.950 ± 0.714
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-384.4 ± 0.5 |
-433.0 ± 3.1 |
| Vy GSE [km/s] |
-17.5 ± 4.2 |
-32.3 ± 10.2 |
| Vz GSE [km/s] |
10.8 ± 2.5 |
-8.8 ± 7.8 |
| Wi [km/s] |
30.8 ± 1.4 |
49.4 ± 7.3 |
| We [km/s] |
974.2 ± 44.2 |
1562.4 ± 230.9 |
| Ni [n/cc] |
10.1 ± 0.6 |
21.3 ± 2.4 |
| Bx GSE [nT] |
-0.4 ± 0.4 |
0.6 ± 1.8 |
| By GSE [nT] |
2.1 ± 0.2 |
4.1 ± 2.7 |
| Bz GSE [nT] |
-1.0 ± 0.1 |
-3.1 ± 0.8 |
Plasma Beta
|
3.528 ± 3.302
|
4.200 ± 5.059
|
Sound Speed [km/s]
|
39.77 ± 1.81
|
63.79 ± 9.43
|
Alfven Speed [km/s]
|
16.57 ± 1.72
|
27.89 ± 9.71
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.962 ± 0.198 |
0.224 ± 0.805 |
0.156 ± 0.155 |
8.97 ± 24.11 |
166.90 ± 47.96 |
| VC |
-0.896 ± 0.072 |
-0.266 ± 0.178 |
-0.355 ± 0.339 |
-20.78 ± 8.26 |
196.53 ± 11.37 |
| MX1 |
-0.918 ± 0.094 |
-0.154 ± 0.444 |
-0.365 ± 0.348 |
-21.38 ± 9.08 |
189.51 ± 27.70 |
| MX2 |
-0.848 ± 0.126 |
-0.194 ± 0.216 |
-0.494 ± 0.449 |
-29.58 ± 13.79 |
192.87 ± 14.47 |
| MX3 |
-0.831 ± 0.118 |
-0.281 ± 0.188 |
-0.480 ± 0.439 |
-28.66 ± 12.64 |
198.66 ± 12.72 |
| RH08 |
-0.967 ± 0.007 |
-0.233 ± 0.028 |
-0.106 ± 0.106 |
-6.09 ± 1.31 |
193.54 ± 1.65 |
| RH09 |
-0.994 ± 0.008 |
-0.114 ± 0.068 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
186.52 ± 3.94 |
| RH10 |
-0.994 ± 0.008 |
-0.114 ± 0.068 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
186.52 ± 3.94 |
| Average |
-0.926 |
-0.141 |
-0.207 |
-12.270 |
188.881 |
| Median |
-0.918 |
-0.154 |
-0.106 |
-6.093 |
192.869 |
| Deviation |
0.063 |
0.161 |
0.247 |
14.632 |
9.903 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
73.2 ± 7.6 |
441.5 ± 2.4 |
2.14 ± 0.35 |
| VC |
86.0 ± 8.6 |
448.0 ± 2.4 |
2.14 ± 0.35 |
| MX1 |
79.8 ± 8.7 |
452.8 ± 2.8 |
2.14 ± 0.35 |
| MX2 |
79.3 ± 8.4 |
424.3 ± 3.0 |
2.14 ± 0.35 |
| MX3 |
84.3 ± 8.3 |
420.2 ± 2.7 |
2.14 ± 0.35 |
| RH08 |
89.9 ± 8.7 |
473.4 ± 1.9 |
2.14 ± 0.35 |
| RH09 |
86.1 ± 8.5 |
478.5 ± 2.0 |
2.14 ± 0.35 |
| RH10 |
86.1 ± 8.5 |
478.5 ± 11.4 |
2.14 ± 0.35 |
| Average |
83.1 |
452.2 |
2.14 |
| Median |
86.0 |
452.8 |
2.14 |
| Deviation |
5.3 |
23.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
73.9 ± 0.7 |
4.4 ± 0.4 |
4.8 ± 0.5 |
42.9 ± 2.1 |
16.74 ± 1.67 |
1.73 ± 0.09 |
| VC |
102.7 ± 0.5 |
1.1 ± 0.1 |
1.1 ± 0.1 |
43.1 ± 2.1 |
97.65 ± 9.61 |
2.39 ± 0.10 |
| MX1 |
101.0 ± 0.1 |
2.7 ± 0.3 |
2.9 ± 0.3 |
43.0 ± 2.1 |
37.66 ± 3.80 |
2.35 ± 0.11 |
| MX2 |
100.4 ± 0.2 |
2.8 ± 0.3 |
3.1 ± 0.3 |
43.0 ± 2.1 |
35.56 ± 3.65 |
2.34 ± 0.11 |
| MX3 |
101.0 ± 0.4 |
1.5 ± 0.1 |
1.7 ± 0.2 |
43.1 ± 2.1 |
66.58 ± 6.69 |
2.35 ± 0.11 |
| RH8 |
98.9 ± 1.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
43.1 ± 2.1 |
3247.33 ± 306.88 |
2.30 ± 0.09 |
| RH9 |
94.6 ± 0.8 |
1.0 ± 0.1 |
1.1 ± 0.1 |
43.1 ± 2.1 |
91.80 ± 8.70 |
2.20 ± 0.09 |
| RH10 |
94.6 ± 0.8 |
1.0 ± 0.1 |
1.1 ± 0.1 |
43.1 ± 2.1 |
91.80 ± 8.70 |
2.20 ± 0.09 |
| Average |
95.9 |
1.8 |
2.0 |
43.0 |
460.6 |
2.2 |
| Median |
100.4 |
1.5 |
1.7 |
43.1 |
91.8 |
2.3 |
| Deviation |
9.4 |
1.4 |
1.5 |
0.1 |
1126.4 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
33.5 ± 3.5 |
7.3 ± 2.2 |
8.1 ± 2.8 |
69.8 ± 9.5 |
4.94 ± 1.40 |
0.49 ± 0.08 |
| VC |
48.2 ± 2.3 |
1.7 ± 0.5 |
1.9 ± 0.7 |
70.2 ± 9.5 |
29.63 ± 7.24 |
0.70 ± 0.08 |
| MX1 |
46.9 ± 2.5 |
4.4 ± 1.3 |
4.9 ± 1.7 |
70.0 ± 9.5 |
11.33 ± 2.84 |
0.68 ± 0.10 |
| MX2 |
46.5 ± 2.5 |
4.6 ± 1.4 |
5.2 ± 1.8 |
70.0 ± 9.5 |
10.69 ± 2.67 |
0.68 ± 0.10 |
| MX3 |
46.9 ± 2.1 |
2.5 ± 0.7 |
2.8 ± 1.0 |
70.1 ± 9.5 |
20.02 ± 4.88 |
0.68 ± 0.09 |
| RH8 |
46.4 ± 3.3 |
0.1 ± 0.0 |
0.1 ± 0.0 |
70.2 ± 9.5 |
983.48 ± 243.56 |
0.67 ± 0.06 |
| RH9 |
44.5 ± 3.3 |
1.7 ± 0.5 |
1.9 ± 0.7 |
70.2 ± 9.5 |
27.94 ± 7.10 |
0.64 ± 0.07 |
| RH10 |
44.5 ± 3.3 |
1.7 ± 0.5 |
1.9 ± 0.7 |
70.2 ± 9.5 |
27.94 ± 7.10 |
0.64 ± 0.07 |
| Average |
44.7 |
3.0 |
3.3 |
70.1 |
139.5 |
0.6 |
| Median |
46.5 |
2.5 |
2.8 |
70.2 |
27.9 |
0.7 |
| Deviation |
4.7 |
2.3 |
2.6 |
0.1 |
341.1 |
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 Thu Oct 12 13:23:45 2023
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
