Database: Wind Shock Analysis
Event ID: 20012291101
Observation time: 08/17/2001 229.45950 1101 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
229.459497 |
| Arrival time of shock [seconds of day] |
39700.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
42.550 |
| Y GSE location of spacecraft [Re] |
294.392 |
| Z GSE location of spacecraft [Re] |
18.420 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0282 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0285 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.60, 9.27, 9.60 |
Event added to database
|
Mon Feb 14 11:14:46 2005
|
Event last processed
|
Mon Mar 30 21:24:29 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
8.529 ± 0.920
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-350.7 ± 6.2 |
-474.2 ± 5.5 |
| Vy GSE [km/s] |
-3.3 ± 6.0 |
-3.1 ± 5.7 |
| Vz GSE [km/s] |
1.8 ± 5.3 |
-35.0 ± 9.5 |
| Wi [km/s] |
21.6 ± 2.5 |
46.5 ± 3.7 |
| We [km/s] |
684.6 ± 78.7 |
1471.2 ± 117.9 |
| Ni [n/cc] |
4.3 ± 0.7 |
14.6 ± 1.1 |
| Bx GSE [nT] |
-0.9 ± 1.1 |
-3.1 ± 1.0 |
| By GSE [nT] |
2.4 ± 1.5 |
13.1 ± 1.5 |
| Bz GSE [nT] |
4.0 ± 0.3 |
12.2 ± 1.6 |
Plasma Beta
|
0.174 ± 0.171
|
0.199 ± 0.200
|
Sound Speed [km/s]
|
27.95 ± 3.21
|
60.06 ± 4.81
|
Alfven Speed [km/s]
|
52.48 ± 4.47
|
104.65 ± 2.89
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.828 ± 0.323 |
-0.471 ± 0.497 |
0.306 ± 0.296 |
17.81 ± 35.76 |
209.63 ± 33.77 |
| VC |
-0.958 ± 0.025 |
0.003 ± 0.060 |
-0.286 ± 0.278 |
-16.65 ± 5.01 |
179.82 ± 3.62 |
| MX1 |
-0.969 ± 0.036 |
0.000 ± 0.064 |
-0.248 ± 0.243 |
-14.37 ± 8.31 |
180.00 ± 3.79 |
| MX2 |
-0.962 ± 0.033 |
0.016 ± 0.068 |
-0.273 ± 0.266 |
-15.82 ± 6.90 |
179.02 ± 4.04 |
| MX3 |
-0.960 ± 0.032 |
0.020 ± 0.070 |
-0.278 ± 0.271 |
-16.14 ± 6.65 |
178.78 ± 4.17 |
| RH08 |
-0.983 ± 0.002 |
0.009 ± 0.013 |
-0.184 ± 0.182 |
-10.62 ± 0.49 |
179.50 ± 0.75 |
| RH09 |
-0.985 ± 0.012 |
0.009 ± 0.070 |
-0.173 ± 0.171 |
-9.97 ± 4.03 |
179.50 ± 4.07 |
| RH10 |
-0.987 ± 0.011 |
0.009 ± 0.070 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
179.50 ± 4.07 |
| Average |
-0.954 |
-0.051 |
-0.162 |
-9.385 |
183.218 |
| Median |
-0.962 |
0.009 |
-0.184 |
-10.624 |
179.499 |
| Deviation |
0.052 |
0.170 |
0.196 |
11.379 |
10.681 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
78.5 ± 19.4 |
419.7 ± 15.9 |
3.40 ± 0.47 |
| VC |
87.3 ± 11.1 |
515.8 ± 17.6 |
3.40 ± 0.47 |
| MX1 |
89.2 ± 11.4 |
519.1 ± 17.6 |
3.40 ± 0.47 |
| MX2 |
88.4 ± 11.0 |
517.1 ± 17.6 |
3.40 ± 0.47 |
| MX3 |
88.2 ± 10.9 |
516.6 ± 17.6 |
3.40 ± 0.47 |
| RH08 |
87.5 ± 11.8 |
523.9 ± 17.5 |
3.40 ± 0.47 |
| RH09 |
86.9 ± 11.9 |
524.4 ± 17.5 |
3.40 ± 0.47 |
| RH10 |
86.4 ± 12.0 |
524.7 ± 17.5 |
3.40 ± 0.47 |
| Average |
86.5 |
507.7 |
3.40 |
| Median |
87.5 |
519.1 |
3.40 |
| Deviation |
3.4 |
35.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
127.4 ± 8.1 |
4.9 ± 0.5 |
10.5 ± 0.9 |
59.3 ± 4.6 |
26.07 ± 3.33 |
2.16 ± 0.27 |
| VC |
180.3 ± 5.3 |
1.2 ± 0.1 |
2.5 ± 0.2 |
59.5 ± 4.6 |
157.83 ± 15.43 |
3.05 ± 0.26 |
| MX1 |
179.8 ± 5.4 |
0.4 ± 0.0 |
0.8 ± 0.1 |
59.5 ± 4.6 |
498.28 ± 49.20 |
3.04 ± 0.27 |
| MX2 |
180.2 ± 5.3 |
0.7 ± 0.1 |
1.5 ± 0.1 |
59.5 ± 4.6 |
259.07 ± 25.38 |
3.05 ± 0.26 |
| MX3 |
180.3 ± 5.3 |
0.8 ± 0.1 |
1.6 ± 0.1 |
59.5 ± 4.6 |
235.19 ± 23.00 |
3.05 ± 0.26 |
| RH8 |
179.5 ± 5.6 |
1.1 ± 0.1 |
2.3 ± 0.2 |
59.5 ± 4.6 |
166.81 ± 16.71 |
3.03 ± 0.27 |
| RH9 |
179.3 ± 5.6 |
1.3 ± 0.1 |
2.8 ± 0.2 |
59.5 ± 4.6 |
136.94 ± 13.75 |
3.03 ± 0.27 |
| RH10 |
178.9 ± 5.7 |
1.6 ± 0.1 |
3.3 ± 0.3 |
59.5 ± 4.6 |
115.96 ± 11.68 |
3.02 ± 0.27 |
| Average |
173.2 |
1.5 |
3.2 |
59.5 |
199.5 |
2.9 |
| Median |
179.8 |
1.2 |
2.5 |
59.5 |
166.8 |
3.0 |
| Deviation |
18.5 |
1.4 |
3.1 |
0.1 |
140.3 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
36.6 ± 8.6 |
10.4 ± 0.6 |
20.9 ± 0.6 |
120.3 ± 3.2 |
3.54 ± 0.92 |
0.31 ± 0.07 |
| VC |
51.5 ± 4.7 |
2.4 ± 0.1 |
4.9 ± 0.1 |
120.7 ± 3.2 |
21.18 ± 1.94 |
0.43 ± 0.04 |
| MX1 |
51.1 ± 4.7 |
0.8 ± 0.0 |
1.5 ± 0.0 |
120.7 ± 3.2 |
66.56 ± 6.41 |
0.42 ± 0.04 |
| MX2 |
51.5 ± 4.7 |
1.5 ± 0.1 |
3.0 ± 0.1 |
120.7 ± 3.2 |
34.77 ± 3.20 |
0.43 ± 0.04 |
| MX3 |
51.6 ± 4.7 |
1.6 ± 0.1 |
3.3 ± 0.1 |
120.7 ± 3.2 |
31.59 ± 2.88 |
0.43 ± 0.04 |
| RH8 |
51.4 ± 4.8 |
2.3 ± 0.1 |
4.6 ± 0.1 |
120.7 ± 3.2 |
22.46 ± 2.31 |
0.43 ± 0.04 |
| RH9 |
51.4 ± 4.9 |
2.8 ± 0.2 |
5.6 ± 0.2 |
120.7 ± 3.2 |
18.45 ± 1.92 |
0.43 ± 0.04 |
| RH10 |
51.1 ± 4.9 |
3.3 ± 0.2 |
6.6 ± 0.2 |
120.7 ± 3.2 |
15.58 ± 1.65 |
0.42 ± 0.04 |
| Average |
49.5 |
3.1 |
6.3 |
120.7 |
26.8 |
0.4 |
| Median |
51.4 |
2.4 |
4.9 |
120.7 |
22.5 |
0.4 |
| Deviation |
5.2 |
3.1 |
6.1 |
0.2 |
18.7 |
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)
| 
