Database: Wind Shock Analysis
Event ID: 20232611251
Observation time: 09/18/2023 261.53589 1251 [UT]
|
|
General
Information (About, Top)
| Year |
2023 |
| Fractional day of year |
261.535885 |
| Arrival time of shock [seconds of day] |
46300.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
204.762 |
| Y GSE location of spacecraft [Re] |
-79.305 |
| Z GSE location of spacecraft [Re] |
-5.836 |
| Upstream plasma points selected for analysis |
0012 |
| Upstream field points selected for analysis |
0400 |
| Downstream plasma points selected for analysis |
0014
|
| Downstream field points selected for analysis |
0536 |
| Minimum chisq/dof for RH8,RH9,RH10 |
13.16, 17.56, 18.88 |
Event added to database
|
Wed Oct 11 16:57:02 2023
|
Event last processed
|
Thu Oct 12 10:41:03 2023
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
36.094 ± 2.454
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-421.1 ± 7.3 |
-542.4 ± 6.1 |
| Vy GSE [km/s] |
4.8 ± 5.8 |
35.6 ± 9.0 |
| Vz GSE [km/s] |
-11.2 ± 10.1 |
-40.1 ± 10.0 |
| Wi [km/s] |
14.4 ± 4.4 |
45.0 ± 8.2 |
| We [km/s] |
454.4 ± 139.5 |
1422.9 ± 258.2 |
| Ni [n/cc] |
4.4 ± 1.2 |
8.1 ± 1.4 |
| Bx GSE [nT] |
-0.9 ± 0.8 |
-5.2 ± 0.9 |
| By GSE [nT] |
-8.7 ± 0.4 |
-19.2 ± 0.6 |
| Bz GSE [nT] |
-2.9 ± 0.5 |
-8.2 ± 2.0 |
Plasma Beta
|
0.026 ± 0.018
|
0.074 ± 0.065
|
Sound Speed [km/s]
|
18.55 ± 5.69
|
58.09 ± 10.54
|
Alfven Speed [km/s]
|
99.12 ± 13.43
|
168.34 ± 19.38
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.786 ± 0.273 |
0.583 ± 0.356 |
-0.205 ± 0.202 |
-11.81 ± 28.80 |
143.45 ± 25.56 |
| VC |
-0.945 ± 0.030 |
0.240 ± 0.081 |
-0.220 ± 0.216 |
-12.70 ± 5.78 |
165.74 ± 4.89 |
| MX1 |
-0.884 ± 0.033 |
0.447 ± 0.060 |
-0.140 ± 0.139 |
-8.03 ± 5.51 |
153.17 ± 3.90 |
| MX2 |
-0.888 ± 0.030 |
0.441 ± 0.057 |
-0.134 ± 0.134 |
-7.72 ± 4.91 |
153.60 ± 3.66 |
| MX3 |
-0.890 ± 0.029 |
0.436 ± 0.057 |
-0.130 ± 0.130 |
-7.49 ± 4.71 |
153.91 ± 3.64 |
| RH08 |
-0.927 ± 0.004 |
0.366 ± 0.009 |
0.084 ± 0.084 |
4.81 ± 0.73 |
158.44 ± 0.55 |
| RH09 |
-0.864 ± 0.035 |
0.130 ± 0.060 |
0.486 ± 0.444 |
29.08 ± 4.06 |
171.48 ± 3.97 |
| RH10 |
-0.910 ± 0.029 |
0.236 ± 0.067 |
0.341 ± 0.327 |
19.92 ± 4.01 |
165.46 ± 4.21 |
| Average |
-0.887 |
0.360 |
0.010 |
0.756 |
158.155 |
| Median |
-0.888 |
0.436 |
-0.130 |
-7.493 |
158.440 |
| Deviation |
0.048 |
0.148 |
0.268 |
15.777 |
9.010 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
65.6 ± 4.2 |
591.0 ± 44.2 |
1.96 ± 0.57 |
| VC |
86.0 ± 4.3 |
678.2 ± 45.9 |
1.96 ± 0.57 |
| MX1 |
72.8 ± 4.3 |
647.2 ± 45.9 |
1.96 ± 0.57 |
| MX2 |
73.1 ± 4.4 |
649.3 ± 45.9 |
1.96 ± 0.57 |
| MX3 |
73.3 ± 4.4 |
650.6 ± 45.9 |
1.96 ± 0.57 |
| RH08 |
73.4 ± 4.6 |
653.4 ± 45.0 |
1.96 ± 0.57 |
| RH09 |
78.8 ± 4.8 |
560.8 ± 36.1 |
1.96 ± 0.57 |
| RH10 |
75.8 ± 4.8 |
612.4 ± 524.7 |
1.96 ± 0.57 |
| Average |
74.8 |
630.4 |
1.96 |
| Median |
73.4 |
649.3 |
1.96 |
| Deviation |
5.8 |
38.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
254.8 ± 8.0 |
7.5 ± 2.1 |
40.9 ± 5.5 |
100.8 ± 12.8 |
35.89 ± 7.95 |
2.57 ± 0.33 |
| VC |
276.5 ± 8.2 |
1.3 ± 0.4 |
7.0 ± 0.9 |
101.1 ± 12.7 |
228.50 ± 49.33 |
2.77 ± 0.36 |
| MX1 |
271.5 ± 7.8 |
5.4 ± 1.5 |
29.4 ± 4.0 |
100.9 ± 12.7 |
53.39 ± 11.68 |
2.73 ± 0.35 |
| MX2 |
272.0 ± 7.8 |
5.3 ± 1.5 |
28.9 ± 3.9 |
100.9 ± 12.7 |
54.35 ± 11.88 |
2.73 ± 0.35 |
| MX3 |
272.1 ± 7.8 |
5.2 ± 1.5 |
28.6 ± 3.9 |
100.9 ± 12.7 |
55.00 ± 12.02 |
2.74 ± 0.35 |
| RH8 |
262.3 ± 7.1 |
5.2 ± 1.4 |
28.3 ± 3.8 |
100.9 ± 12.7 |
53.46 ± 11.64 |
2.64 ± 0.33 |
| RH9 |
201.7 ± 6.7 |
3.5 ± 1.0 |
19.2 ± 2.6 |
101.0 ± 12.7 |
60.64 ± 13.10 |
2.02 ± 0.25 |
| RH10 |
231.9 ± 6.6 |
4.4 ± 1.2 |
24.3 ± 3.3 |
101.0 ± 12.7 |
55.18 ± 11.96 |
2.33 ± 0.29 |
| Average |
255.4 |
4.7 |
25.8 |
100.9 |
74.5 |
2.6 |
| Median |
271.5 |
5.2 |
28.6 |
100.9 |
55.0 |
2.7 |
| Deviation |
26.0 |
1.8 |
9.7 |
0.1 |
62.6 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
135.6 ± 6.7 |
22.8 ± 3.8 |
69.5 ± 8.0 |
176.8 ± 19.9 |
6.06 ± 0.80 |
0.77 ± 0.08 |
| VC |
148.0 ± 6.8 |
3.9 ± 0.6 |
11.9 ± 1.4 |
178.3 ± 20.0 |
39.07 ± 5.01 |
0.84 ± 0.08 |
| MX1 |
146.5 ± 6.2 |
16.3 ± 2.7 |
49.8 ± 5.7 |
177.5 ± 20.0 |
9.17 ± 1.17 |
0.83 ± 0.08 |
| MX2 |
146.8 ± 6.1 |
16.0 ± 2.6 |
49.1 ± 5.6 |
177.6 ± 20.0 |
9.34 ± 1.19 |
0.83 ± 0.08 |
| MX3 |
146.9 ± 6.1 |
15.8 ± 2.6 |
48.5 ± 5.6 |
177.6 ± 20.0 |
9.46 ± 1.20 |
0.83 ± 0.08 |
| RH8 |
141.0 ± 5.0 |
15.7 ± 2.6 |
48.1 ± 5.5 |
177.6 ± 20.0 |
9.15 ± 1.13 |
0.80 ± 0.07 |
| RH9 |
106.9 ± 4.8 |
10.6 ± 1.7 |
32.6 ± 3.8 |
178.0 ± 20.0 |
10.23 ± 1.22 |
0.61 ± 0.05 |
| RH10 |
124.0 ± 4.4 |
13.4 ± 2.2 |
41.2 ± 4.7 |
177.8 ± 20.0 |
9.40 ± 1.13 |
0.70 ± 0.06 |
| Average |
137.0 |
14.3 |
43.8 |
177.6 |
12.7 |
0.8 |
| Median |
146.5 |
15.8 |
48.5 |
177.6 |
9.4 |
0.8 |
| Deviation |
14.6 |
5.4 |
16.6 |
0.4 |
10.7 |
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 13:23:33 2023
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
