Database: Wind Shock Analysis
Event ID: 20042040945
Observation time: 07/22/2004 204.40650 0945 [UT]
|
|
General
Information (About, Top)
| Year |
2004 |
| Fractional day of year |
204.406498 |
| Arrival time of shock [seconds of day] |
35121.4 ± 90.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
260.668 |
| Y GSE location of spacecraft [Re] |
8.874 |
| Z GSE location of spacecraft [Re] |
18.980 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0235 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0229 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.08, 8.31, 8.68 |
Event added to database
|
Sun Mar 13 01:26:33 2005
|
Event last processed
|
Tue Mar 31 00:02:09 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
54.832 ± 2.261
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-343.9 ± 7.5 |
-450.5 ± 8.4 |
| Vy GSE [km/s] |
6.5 ± 7.6 |
-65.5 ± 10.2 |
| Vz GSE [km/s] |
-24.6 ± 6.0 |
-81.3 ± 3.2 |
| Wi [km/s] |
24.3 ± 2.3 |
60.5 ± 11.9 |
| We [km/s] |
769.3 ± 74.1 |
1914.2 ± 376.8 |
| Ni [n/cc] |
2.6 ± 0.6 |
10.0 ± 1.0 |
| Bx GSE [nT] |
4.2 ± 0.6 |
3.3 ± 1.7 |
| By GSE [nT] |
1.8 ± 0.4 |
-0.1 ± 2.9 |
| Bz GSE [nT] |
-1.3 ± 0.1 |
-10.7 ± 1.5 |
Plasma Beta
|
0.149 ± 0.126
|
0.593 ± 0.633
|
Sound Speed [km/s]
|
31.40 ± 3.03
|
78.15 ± 15.38
|
Alfven Speed [km/s]
|
66.03 ± 10.42
|
81.08 ± 5.78
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.891 ± 0.053 |
-0.414 ± 0.108 |
0.184 ± 0.182 |
10.59 ± 5.49 |
204.92 ± 6.95 |
| VC |
-0.759 ± 0.053 |
-0.512 ± 0.076 |
-0.403 ± 0.380 |
-23.76 ± 3.10 |
214.00 ± 5.64 |
| MX1 |
-0.890 ± 0.051 |
-0.421 ± 0.103 |
0.173 ± 0.171 |
9.97 ± 5.61 |
205.30 ± 6.58 |
| MX2 |
-0.870 ± 0.052 |
-0.473 ± 0.090 |
0.140 ± 0.139 |
8.04 ± 7.66 |
208.54 ± 5.91 |
| MX3 |
-0.861 ± 0.066 |
-0.492 ± 0.111 |
0.129 ± 0.128 |
7.40 ± 8.73 |
209.75 ± 7.39 |
| RH08 |
-0.969 ± 0.007 |
-0.216 ± 0.029 |
0.117 ± 0.117 |
6.74 ± 0.84 |
192.53 ± 1.74 |
| RH09 |
-0.957 ± 0.020 |
-0.266 ± 0.068 |
0.117 ± 0.117 |
6.74 ± 4.01 |
195.54 ± 4.07 |
| RH10 |
-0.963 ± 0.019 |
-0.250 ± 0.068 |
0.106 ± 0.106 |
6.09 ± 4.02 |
194.54 ± 4.03 |
| Average |
-0.895 |
-0.380 |
0.070 |
3.975 |
203.141 |
| Median |
-0.890 |
-0.414 |
0.129 |
7.398 |
205.295 |
| Deviation |
0.070 |
0.119 |
0.193 |
11.320 |
7.953 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
9.0 ± 2.1 |
450.8 ± 15.5 |
4.02 ± 0.78 |
| VC |
42.0 ± 2.3 |
453.8 ± 18.3 |
4.02 ± 0.78 |
| MX1 |
9.5 ± 2.0 |
451.9 ± 15.6 |
4.02 ± 0.78 |
| MX2 |
11.6 ± 2.2 |
449.0 ± 16.0 |
4.02 ± 0.78 |
| MX3 |
12.5 ± 2.5 |
447.5 ± 16.2 |
4.02 ± 0.78 |
| RH08 |
15.6 ± 6.2 |
480.8 ± 15.1 |
4.02 ± 0.78 |
| RH09 |
13.9 ± 5.6 |
478.8 ± 15.3 |
4.02 ± 0.78 |
| RH10 |
14.9 ± 5.7 |
481.4 ± 15.3 |
4.02 ± 0.78 |
| Average |
16.1 |
461.7 |
4.02 |
| Median |
13.9 |
453.8 |
4.02 |
| Deviation |
10.7 |
15.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
151.5 ± 6.0 |
30.9 ± 2.9 |
65.2 ± 10.3 |
66.3 ± 10.3 |
4.95 ± 0.56 |
2.32 ± 0.29 |
| VC |
186.3 ± 4.4 |
21.9 ± 1.7 |
49.1 ± 7.7 |
69.9 ± 9.4 |
8.54 ± 0.77 |
2.70 ± 0.33 |
| MX1 |
152.6 ± 5.9 |
30.8 ± 2.9 |
65.1 ± 10.3 |
66.3 ± 10.3 |
4.99 ± 0.56 |
2.34 ± 0.29 |
| MX2 |
156.4 ± 5.6 |
30.5 ± 2.9 |
64.7 ± 10.2 |
66.5 ± 10.3 |
5.17 ± 0.57 |
2.39 ± 0.30 |
| MX3 |
157.7 ± 5.5 |
30.4 ± 2.8 |
64.5 ± 10.2 |
66.5 ± 10.2 |
5.23 ± 0.58 |
2.41 ± 0.30 |
| RH8 |
151.7 ± 6.9 |
29.9 ± 2.7 |
63.6 ± 10.0 |
66.8 ± 10.2 |
5.12 ± 0.56 |
2.31 ± 0.28 |
| RH9 |
154.4 ± 6.6 |
30.2 ± 2.8 |
64.1 ± 10.1 |
66.6 ± 10.2 |
5.16 ± 0.57 |
2.35 ± 0.29 |
| RH10 |
154.7 ± 6.7 |
30.0 ± 2.8 |
63.8 ± 10.1 |
66.7 ± 10.2 |
5.20 ± 0.57 |
2.36 ± 0.29 |
| Average |
158.2 |
29.3 |
62.5 |
67.0 |
5.5 |
2.4 |
| Median |
154.7 |
30.4 |
64.5 |
66.6 |
5.2 |
2.4 |
| Deviation |
11.6 |
3.0 |
5.5 |
1.2 |
1.2 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
37.0 ± 8.9 |
69.4 ± 8.9 |
80.1 ± 5.7 |
89.3 ± 7.4 |
0.54 ± 0.14 |
0.41 ± 0.08 |
| VC |
45.6 ± 7.9 |
44.7 ± 4.8 |
60.2 ± 4.3 |
104.0 ± 8.7 |
1.02 ± 0.16 |
0.44 ± 0.06 |
| MX1 |
37.2 ± 8.9 |
69.2 ± 8.9 |
80.0 ± 5.7 |
89.5 ± 7.4 |
0.54 ± 0.14 |
0.41 ± 0.08 |
| MX2 |
37.5 ± 9.0 |
67.9 ± 8.5 |
79.4 ± 5.7 |
90.5 ± 7.4 |
0.56 ± 0.14 |
0.41 ± 0.08 |
| MX3 |
37.8 ± 9.1 |
67.4 ± 8.4 |
79.2 ± 5.6 |
90.9 ± 7.4 |
0.56 ± 0.14 |
0.41 ± 0.08 |
| RH8 |
39.5 ± 8.6 |
65.4 ± 7.9 |
78.1 ± 5.6 |
92.4 ± 7.5 |
0.61 ± 0.13 |
0.42 ± 0.07 |
| RH9 |
39.8 ± 8.7 |
66.5 ± 8.2 |
78.7 ± 5.6 |
91.6 ± 7.4 |
0.60 ± 0.13 |
0.43 ± 0.08 |
| RH10 |
40.1 ± 8.6 |
65.9 ± 8.0 |
78.4 ± 5.6 |
92.0 ± 7.5 |
0.61 ± 0.13 |
0.43 ± 0.07 |
| Average |
39.3 |
64.5 |
76.8 |
92.5 |
0.6 |
0.4 |
| Median |
39.5 |
67.4 |
79.2 |
91.6 |
0.6 |
0.4 |
| Deviation |
2.8 |
8.1 |
6.7 |
4.8 |
0.2 |
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 Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
