Database: Wind Shock Analysis
Event ID: 20042082225
Observation time: 07/26/2004 208.93430 2225 [UT]
|
|
General
Information (About, Top)
| Year |
2004 |
| Fractional day of year |
208.934305 |
| Arrival time of shock [seconds of day] |
80723.9 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
260.690 |
| Y GSE location of spacecraft [Re] |
-6.185 |
| Z GSE location of spacecraft [Re] |
18.290 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0260 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0260 |
| Minimum chisq/dof for RH8,RH9,RH10 |
13.20, 28.03, 28.85 |
Event added to database
|
Sun Mar 13 01:30:08 2005
|
Event last processed
|
Tue Mar 31 00:05:43 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
24.473 ± 1.130
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-607.6 ± 5.6 |
-972.9 ± 24.1 |
| Vy GSE [km/s] |
32.4 ± 6.1 |
-43.7 ± 13.4 |
| Vz GSE [km/s] |
17.3 ± 7.3 |
28.3 ± 34.3 |
| Wi [km/s] |
57.3 ± 3.9 |
174.6 ± 17.9 |
| We [km/s] |
1811.0 ± 124.2 |
5520.7 ± 565.4 |
| Ni [n/cc] |
2.0 ± 0.2 |
7.2 ± 1.1 |
| Bx GSE [nT] |
1.6 ± 0.5 |
-1.5 ± 2.5 |
| By GSE [nT] |
3.4 ± 0.4 |
-11.5 ± 3.5 |
| Bz GSE [nT] |
-1.0 ± 0.7 |
-10.8 ± 3.7 |
Plasma Beta
|
0.943 ± 0.927
|
1.705 ± 1.794
|
Sound Speed [km/s]
|
73.93 ± 5.07
|
225.38 ± 23.08
|
Alfven Speed [km/s]
|
60.61 ± 9.35
|
136.86 ± 14.74
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.446 ± 0.200 |
-0.483 ± 0.193 |
0.754 ± 0.561 |
48.92 ± 11.29 |
227.29 ± 20.51 |
| VC |
-0.978 ± 0.009 |
-0.205 ± 0.041 |
0.027 ± 0.027 |
1.57 ± 4.82 |
191.83 ± 2.39 |
| MX1 |
-0.958 ± 0.110 |
0.265 ± 0.392 |
-0.107 ± 0.106 |
-6.12 ± 11.80 |
164.53 ± 23.42 |
| MX2 |
-0.969 ± 0.023 |
0.022 ± 0.103 |
0.245 ± 0.240 |
14.18 ± 5.43 |
178.72 ± 6.07 |
| MX3 |
-0.977 ± 0.020 |
0.051 ± 0.103 |
0.209 ± 0.205 |
12.04 ± 5.18 |
177.01 ± 6.07 |
| RH08 |
-0.986 ± 0.002 |
-0.165 ± 0.009 |
-0.017 ± 0.017 |
-0.96 ± 0.54 |
189.53 ± 0.55 |
| RH09 |
-0.991 ± 0.009 |
-0.131 ± 0.068 |
-0.017 ± 0.017 |
-0.96 ± 4.05 |
187.52 ± 3.91 |
| RH10 |
-0.934 ± 0.025 |
0.313 ± 0.067 |
0.173 ± 0.171 |
9.97 ± 4.03 |
161.45 ± 4.10 |
| Average |
-0.905 |
-0.042 |
0.158 |
9.830 |
184.735 |
| Median |
-0.969 |
0.022 |
0.173 |
9.973 |
187.521 |
| Deviation |
0.186 |
0.261 |
0.271 |
17.350 |
20.488 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
38.1 ± 8.6 |
544.6 ± 62.3 |
3.61 ± 0.79 |
| VC |
54.9 ± 6.9 |
1100.5 ± 52.1 |
3.61 ± 0.79 |
| MX1 |
82.8 ± 6.7 |
1046.7 ± 42.8 |
3.61 ± 0.79 |
| MX2 |
64.7 ± 6.0 |
1080.8 ± 56.6 |
3.61 ± 0.79 |
| MX3 |
66.7 ± 6.1 |
1086.3 ± 55.3 |
3.61 ± 0.79 |
| RH08 |
57.8 ± 7.0 |
1105.7 ± 50.5 |
3.61 ± 0.79 |
| RH09 |
59.7 ± 7.0 |
1109.6 ± 50.4 |
3.61 ± 0.79 |
| RH10 |
81.8 ± 5.9 |
1022.9 ± 49.1 |
3.61 ± 0.79 |
| Average |
63.3 |
1012.1 |
3.61 |
| Median |
64.7 |
1086.3 |
3.61 |
| Deviation |
14.6 |
191.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
276.4 ± 6.2 |
40.5 ± 4.7 |
47.7 ± 7.4 |
86.8 ± 7.2 |
6.90 ± 0.74 |
3.20 ± 0.23 |
| VC |
512.1 ± 4.9 |
28.0 ± 3.1 |
34.8 ± 5.4 |
91.6 ± 7.9 |
18.51 ± 2.14 |
5.63 ± 0.49 |
| MX1 |
457.6 ± 6.8 |
5.8 ± 0.6 |
7.6 ± 1.2 |
95.6 ± 8.4 |
79.46 ± 9.41 |
4.82 ± 0.46 |
| MX2 |
486.9 ± 5.1 |
20.4 ± 2.3 |
25.9 ± 4.0 |
93.6 ± 8.1 |
24.13 ± 2.77 |
5.24 ± 0.46 |
| MX3 |
487.5 ± 5.3 |
18.8 ± 2.1 |
24.0 ± 3.7 |
93.9 ± 8.2 |
26.18 ± 3.01 |
5.23 ± 0.47 |
| RH8 |
512.2 ± 5.1 |
25.7 ± 2.9 |
32.3 ± 5.0 |
92.3 ± 8.0 |
20.12 ± 2.33 |
5.59 ± 0.49 |
| RH9 |
511.8 ± 5.2 |
24.3 ± 2.7 |
30.6 ± 4.7 |
92.7 ± 8.0 |
21.32 ± 2.47 |
5.56 ± 0.49 |
| RH10 |
442.3 ± 6.1 |
6.7 ± 0.7 |
8.7 ± 1.3 |
95.6 ± 8.4 |
67.00 ± 7.83 |
4.66 ± 0.43 |
| Average |
460.9 |
21.3 |
26.4 |
92.8 |
33.0 |
5.0 |
| Median |
487.5 |
24.3 |
30.6 |
93.6 |
24.1 |
5.2 |
| Deviation |
79.0 |
11.4 |
13.4 |
2.8 |
25.7 |
0.8 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
68.5 ± 34.9 |
98.6 ± 8.3 |
107.8 ± 11.6 |
245.1 ± 18.6 |
0.72 ± 0.36 |
0.29 ± 0.15 |
| VC |
138.8 ± 23.6 |
69.1 ± 5.5 |
78.6 ± 8.5 |
255.1 ± 18.4 |
2.02 ± 0.37 |
0.55 ± 0.11 |
| MX1 |
128.9 ± 23.7 |
14.5 ± 1.1 |
17.1 ± 1.8 |
264.0 ± 18.4 |
8.91 ± 1.62 |
0.49 ± 0.10 |
| MX2 |
131.8 ± 26.8 |
50.6 ± 4.0 |
58.6 ± 6.3 |
259.4 ± 18.4 |
2.63 ± 0.58 |
0.51 ± 0.12 |
| MX3 |
132.4 ± 26.3 |
46.7 ± 3.7 |
54.2 ± 5.8 |
260.2 ± 18.4 |
2.86 ± 0.61 |
0.51 ± 0.12 |
| RH8 |
139.6 ± 23.2 |
63.7 ± 5.1 |
72.8 ± 7.8 |
256.5 ± 18.4 |
2.21 ± 0.40 |
0.55 ± 0.11 |
| RH9 |
140.0 ± 23.4 |
60.1 ± 4.8 |
69.0 ± 7.4 |
257.4 ± 18.4 |
2.34 ± 0.42 |
0.55 ± 0.11 |
| RH10 |
123.2 ± 24.9 |
16.6 ± 1.3 |
19.6 ± 2.1 |
263.8 ± 18.4 |
7.46 ± 1.58 |
0.47 ± 0.11 |
| Average |
125.4 |
52.5 |
59.7 |
257.7 |
3.6 |
0.5 |
| Median |
132.4 |
60.1 |
69.0 |
259.4 |
2.6 |
0.5 |
| Deviation |
23.7 |
27.7 |
30.2 |
6.0 |
2.9 |
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 Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
