Database: Wind Shock Analysis
Event ID: 19991451008
Observation time: 05/25/1999 145.42273 1008 [UT]
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|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
145.422726 |
| Arrival time of shock [seconds of day] |
36523.5 ± 8.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
150.780 |
| Y GSE location of spacecraft [Re] |
-23.613 |
| Z GSE location of spacecraft [Re] |
-11.760 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0305 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0264 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.10, 10.43, 10.67 |
Event added to database
|
Mon Feb 14 11:08:01 2005
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Event last processed
|
Mon Mar 30 18:39:49 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
34.811 ± 2.443
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-512.3 ± 6.3 |
-582.6 ± 4.5 |
| Vy GSE [km/s] |
56.8 ± 6.3 |
24.5 ± 5.8 |
| Vz GSE [km/s] |
34.4 ± 3.8 |
-32.8 ± 9.1 |
| Wi [km/s] |
76.2 ± 7.8 |
50.4 ± 5.4 |
| We [km/s] |
2408.7 ± 246.5 |
1592.5 ± 170.3 |
| Ni [n/cc] |
4.9 ± 0.6 |
2.0 ± 0.3 |
| Bx GSE [nT] |
5.6 ± 0.2 |
4.2 ± 0.2 |
| By GSE [nT] |
-3.2 ± 1.4 |
-1.0 ± 0.2 |
| Bz GSE [nT] |
-5.4 ± 0.6 |
-1.9 ± 0.4 |
Plasma Beta
|
0.844 ± 0.969
|
0.491 ± 0.429
|
Sound Speed [km/s]
|
98.33 ± 10.06
|
65.01 ± 6.95
|
Alfven Speed [km/s]
|
85.15 ± 8.28
|
73.56 ± 5.74
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.969 ± 0.053 |
-0.097 ± 0.259 |
-0.227 ± 0.223 |
-13.14 ± 11.68 |
185.73 ± 15.31 |
| VC |
-0.689 ± 0.057 |
-0.313 ± 0.064 |
-0.654 ± 0.539 |
-40.83 ± 4.85 |
204.46 ± 4.94 |
| MX1 |
-0.935 ± 0.032 |
-0.129 ± 0.069 |
-0.330 ± 0.318 |
-19.28 ± 5.33 |
187.84 ± 4.22 |
| MX2 |
-0.942 ± 0.033 |
-0.134 ± 0.052 |
-0.308 ± 0.298 |
-17.95 ± 6.12 |
188.10 ± 3.16 |
| MX3 |
-0.929 ± 0.036 |
-0.126 ± 0.109 |
-0.349 ± 0.334 |
-20.40 ± 5.51 |
187.75 ± 6.70 |
| RH08 |
-0.986 ± 0.002 |
-0.043 ± 0.012 |
-0.162 ± 0.161 |
-9.32 ± 0.73 |
182.51 ± 0.71 |
| RH09 |
-0.986 ± 0.012 |
-0.043 ± 0.070 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
182.51 ± 4.07 |
| RH10 |
-0.986 ± 0.012 |
-0.043 ± 0.070 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
182.51 ± 4.07 |
| Average |
-0.928 |
-0.116 |
-0.294 |
-17.446 |
187.675 |
| Median |
-0.942 |
-0.097 |
-0.227 |
-13.135 |
187.748 |
| Deviation |
0.099 |
0.089 |
0.165 |
10.527 |
7.229 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
62.6 ± 3.5 |
423.9 ± 25.9 |
0.42 ± 0.12 |
| VC |
85.7 ± 3.3 |
243.2 ± 33.4 |
0.42 ± 0.12 |
| MX1 |
68.8 ± 3.3 |
397.4 ± 28.2 |
0.42 ± 0.12 |
| MX2 |
67.8 ± 3.4 |
401.8 ± 27.8 |
0.42 ± 0.12 |
| MX3 |
69.8 ± 3.3 |
393.2 ± 28.5 |
0.42 ± 0.12 |
| RH08 |
57.8 ± 3.4 |
441.2 ± 24.2 |
0.42 ± 0.12 |
| RH09 |
57.8 ± 3.4 |
441.2 ± 24.2 |
0.42 ± 0.12 |
| RH10 |
57.8 ± 3.4 |
441.2 ± 24.2 |
0.42 ± 0.12 |
| Average |
66.0 |
397.9 |
0.42 |
| Median |
67.8 |
423.9 |
0.42 |
| Deviation |
9.5 |
65.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-59.2 ± 6.2 |
30.1 ± 1.1 |
39.2 ± 3.8 |
127.1 ± 4.4 |
-1.97 ± 0.23 |
-0.47 ± 0.06 |
| VC |
-69.4 ± 5.0 |
4.8 ± 0.2 |
6.4 ± 0.6 |
130.5 ± 4.5 |
-14.45 ± 1.32 |
-0.53 ± 0.05 |
| MX1 |
-63.0 ± 5.9 |
23.3 ± 0.8 |
30.7 ± 3.0 |
128.5 ± 4.4 |
-2.70 ± 0.30 |
-0.49 ± 0.06 |
| MX2 |
-62.5 ± 6.1 |
24.4 ± 0.9 |
32.1 ± 3.1 |
128.3 ± 4.4 |
-2.56 ± 0.29 |
-0.49 ± 0.06 |
| MX3 |
-63.4 ± 5.9 |
22.3 ± 0.8 |
29.4 ± 2.9 |
128.7 ± 4.4 |
-2.85 ± 0.31 |
-0.49 ± 0.06 |
| RH8 |
-55.9 ± 6.1 |
35.2 ± 1.3 |
45.4 ± 4.4 |
125.8 ± 4.3 |
-1.59 ± 0.19 |
-0.45 ± 0.06 |
| RH9 |
-55.9 ± 6.1 |
35.2 ± 1.3 |
45.4 ± 4.4 |
125.8 ± 4.3 |
-1.59 ± 0.19 |
-0.45 ± 0.06 |
| RH10 |
-55.9 ± 6.1 |
35.2 ± 1.3 |
45.4 ± 4.4 |
125.8 ± 4.3 |
-1.59 ± 0.19 |
-0.45 ± 0.06 |
| Average |
-60.6 |
26.3 |
34.3 |
127.5 |
-3.7 |
-0.5 |
| Median |
-59.2 |
30.1 |
39.2 |
128.3 |
-2.0 |
-0.5 |
| Deviation |
4.8 |
10.3 |
13.1 |
1.7 |
4.4 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-145.7 ± 5.8 |
22.9 ± 0.9 |
33.9 ± 2.6 |
95.8 ± 4.0 |
-6.38 ± 0.35 |
-1.52 ± 0.10 |
| VC |
-171.8 ± 8.6 |
3.7 ± 0.1 |
5.6 ± 0.4 |
98.4 ± 4.1 |
-47.11 ± 2.99 |
-1.75 ± 0.13 |
| MX1 |
-155.1 ± 6.5 |
17.7 ± 0.7 |
26.6 ± 2.1 |
96.9 ± 4.0 |
-8.76 ± 0.49 |
-1.60 ± 0.11 |
| MX2 |
-153.7 ± 6.3 |
18.6 ± 0.7 |
27.8 ± 2.2 |
96.7 ± 4.0 |
-8.29 ± 0.46 |
-1.59 ± 0.11 |
| MX3 |
-156.2 ± 6.6 |
16.9 ± 0.6 |
25.4 ± 2.0 |
97.0 ± 4.0 |
-9.23 ± 0.52 |
-1.61 ± 0.11 |
| RH8 |
-137.5 ± 5.4 |
26.7 ± 1.0 |
39.2 ± 3.1 |
94.8 ± 4.0 |
-5.15 ± 0.27 |
-1.45 ± 0.09 |
| RH9 |
-137.5 ± 5.4 |
26.7 ± 1.0 |
39.2 ± 3.1 |
94.8 ± 4.0 |
-5.15 ± 0.27 |
-1.45 ± 0.09 |
| RH10 |
-137.5 ± 5.4 |
26.7 ± 1.0 |
39.2 ± 3.1 |
94.8 ± 4.0 |
-5.15 ± 0.27 |
-1.45 ± 0.09 |
| Average |
-149.4 |
20.0 |
29.6 |
96.1 |
-11.9 |
-1.6 |
| Median |
-145.7 |
22.9 |
33.9 |
96.7 |
-6.4 |
-1.5 |
| Deviation |
12.2 |
7.8 |
11.4 |
1.3 |
14.3 |
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)
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