Database: Wind Shock Analysis
Event ID: 19983120441
Observation time: 11/08/1998 312.19533 0441 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
312.195330 |
| Arrival time of shock [seconds of day] |
16876.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
76.834 |
| Y GSE location of spacecraft [Re] |
13.945 |
| Z GSE location of spacecraft [Re] |
8.130 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0260 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0261 |
| Minimum chisq/dof for RH8,RH9,RH10 |
16.05, 21.30, 23.53 |
Event added to database
|
Sat Mar 12 21:11:30 2005
|
Event last processed
|
Mon Mar 30 23:28:52 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
9.766 ± 1.581
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-451.7 ± 4.0 |
-618.1 ± 6.6 |
| Vy GSE [km/s] |
12.2 ± 4.3 |
32.6 ± 11.5 |
| Vz GSE [km/s] |
-12.1 ± 14.3 |
-37.1 ± 16.2 |
| Wi [km/s] |
33.0 ± 5.6 |
58.3 ± 6.8 |
| We [km/s] |
1042.4 ± 177.1 |
1844.4 ± 213.9 |
| Ni [n/cc] |
4.4 ± 0.7 |
9.5 ± 1.0 |
| Bx GSE [nT] |
-2.6 ± 0.4 |
8.4 ± 0.6 |
| By GSE [nT] |
16.7 ± 0.2 |
28.2 ± 2.5 |
| Bz GSE [nT] |
-3.9 ± 1.3 |
-15.3 ± 3.2 |
Plasma Beta
|
0.034 ± 0.030
|
0.061 ± 0.067
|
Sound Speed [km/s]
|
42.55 ± 7.23
|
75.30 ± 8.73
|
Alfven Speed [km/s]
|
182.41 ± 16.15
|
236.35 ± 10.61
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.625 ± 0.124 |
0.771 ± 0.101 |
0.120 ± 0.120 |
6.92 ± 6.34 |
129.04 ± 9.18 |
| VC |
-0.982 ± 0.019 |
0.119 ± 0.064 |
-0.149 ± 0.147 |
-8.54 ± 6.82 |
173.11 ± 3.75 |
| MX1 |
-0.791 ± 0.057 |
0.568 ± 0.076 |
-0.226 ± 0.222 |
-13.04 ± 5.40 |
144.30 ± 5.46 |
| MX2 |
-0.817 ± 0.039 |
0.470 ± 0.057 |
-0.335 ± 0.322 |
-19.60 ± 4.41 |
150.10 ± 3.88 |
| MX3 |
-0.823 ± 0.038 |
0.390 ± 0.057 |
-0.413 ± 0.388 |
-24.40 ± 4.23 |
154.62 ± 3.84 |
| RH08 |
-0.795 ± 0.012 |
0.363 ± 0.016 |
-0.486 ± 0.444 |
-29.08 ± 1.35 |
155.43 ± 1.06 |
| RH09 |
-0.794 ± 0.041 |
0.380 ± 0.061 |
-0.475 ± 0.435 |
-28.35 ± 4.04 |
154.43 ± 4.26 |
| RH10 |
-0.794 ± 0.042 |
0.380 ± 0.063 |
-0.475 ± 0.435 |
-28.35 ± 4.05 |
154.43 ± 4.45 |
| Average |
-0.803 |
0.430 |
-0.305 |
-18.056 |
151.931 |
| Median |
-0.794 |
0.390 |
-0.335 |
-19.601 |
154.429 |
| Deviation |
0.096 |
0.187 |
0.212 |
12.624 |
12.340 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
36.0 ± 3.1 |
507.4 ± 59.8 |
2.17 ± 0.47 |
| VC |
72.8 ± 1.0 |
754.5 ± 71.4 |
2.17 ± 0.47 |
| MX1 |
44.2 ± 1.0 |
641.9 ± 66.4 |
2.17 ± 0.47 |
| MX2 |
49.4 ± 0.9 |
661.3 ± 66.7 |
2.17 ± 0.47 |
| MX3 |
53.6 ± 1.1 |
664.9 ± 66.2 |
2.17 ± 0.47 |
| RH08 |
54.6 ± 1.4 |
644.5 ± 64.3 |
2.17 ± 0.47 |
| RH09 |
53.7 ± 1.4 |
644.7 ± 64.4 |
2.17 ± 0.47 |
| RH10 |
53.7 ± 1.4 |
644.7 ± 64.4 |
2.17 ± 0.47 |
| Average |
52.3 |
645.5 |
2.17 |
| Median |
53.7 |
644.7 |
2.17 |
| Deviation |
10.5 |
67.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
217.0 ± 5.3 |
34.1 ± 5.6 |
147.5 ± 13.1 |
184.2 ± 16.0 |
6.50 ± 0.96 |
1.18 ± 0.09 |
| VC |
307.7 ± 4.2 |
12.3 ± 2.0 |
54.1 ± 4.8 |
187.0 ± 15.7 |
25.52 ± 3.71 |
1.65 ± 0.14 |
| MX1 |
274.8 ± 2.9 |
30.1 ± 4.9 |
130.7 ± 11.6 |
185.0 ± 15.9 |
9.32 ± 1.37 |
1.49 ± 0.13 |
| MX2 |
282.6 ± 4.1 |
27.2 ± 4.4 |
118.6 ± 10.5 |
185.4 ± 15.9 |
10.59 ± 1.55 |
1.53 ± 0.13 |
| MX3 |
283.4 ± 5.2 |
24.7 ± 4.0 |
108.1 ± 9.6 |
185.8 ± 15.8 |
11.68 ± 1.72 |
1.53 ± 0.14 |
| RH8 |
275.1 ± 6.1 |
24.2 ± 3.9 |
105.6 ± 9.4 |
185.8 ± 15.8 |
11.61 ± 1.71 |
1.49 ± 0.14 |
| RH9 |
275.7 ± 5.9 |
24.7 ± 4.0 |
108.0 ± 9.6 |
185.8 ± 15.8 |
11.37 ± 1.68 |
1.49 ± 0.14 |
| RH10 |
275.7 ± 5.9 |
24.7 ± 4.0 |
108.0 ± 9.6 |
185.8 ± 15.8 |
11.37 ± 1.68 |
1.49 ± 0.14 |
| Average |
274.0 |
25.2 |
110.1 |
185.6 |
12.2 |
1.5 |
| Median |
275.7 |
24.7 |
108.1 |
185.8 |
11.4 |
1.5 |
| Deviation |
25.5 |
6.3 |
26.9 |
0.8 |
5.6 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
100.3 ± 13.9 |
59.8 ± 6.8 |
191.2 ± 8.6 |
240.8 ± 11.0 |
1.70 ± 0.34 |
0.42 ± 0.06 |
| VC |
138.3 ± 6.2 |
21.3 ± 2.3 |
70.1 ± 3.1 |
247.2 ± 11.6 |
6.56 ± 0.84 |
0.56 ± 0.04 |
| MX1 |
126.0 ± 8.0 |
52.6 ± 5.9 |
169.4 ± 7.6 |
242.5 ± 11.1 |
2.43 ± 0.36 |
0.52 ± 0.05 |
| MX2 |
128.8 ± 6.2 |
47.5 ± 5.3 |
153.7 ± 6.9 |
243.5 ± 11.2 |
2.74 ± 0.38 |
0.53 ± 0.04 |
| MX3 |
128.3 ± 5.4 |
43.2 ± 4.8 |
140.1 ± 6.3 |
244.3 ± 11.3 |
3.01 ± 0.40 |
0.53 ± 0.04 |
| RH8 |
123.3 ± 5.1 |
42.1 ± 4.7 |
136.9 ± 6.1 |
244.5 ± 11.3 |
2.96 ± 0.39 |
0.51 ± 0.04 |
| RH9 |
124.0 ± 5.1 |
43.1 ± 4.8 |
140.0 ± 6.3 |
244.3 ± 11.3 |
2.91 ± 0.38 |
0.51 ± 0.04 |
| RH10 |
124.0 ± 5.1 |
43.1 ± 4.8 |
140.0 ± 6.3 |
244.3 ± 11.3 |
2.91 ± 0.38 |
0.51 ± 0.04 |
| Average |
124.1 |
44.1 |
142.7 |
243.9 |
3.2 |
0.5 |
| Median |
126.0 |
43.2 |
140.1 |
244.3 |
2.9 |
0.5 |
| Deviation |
10.8 |
11.0 |
34.9 |
1.8 |
1.4 |
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)
| 
