Database: Wind Shock Analysis
Event ID: 19992351541
Observation time: 08/23/1999 235.65387 1541 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
235.653872 |
| Arrival time of shock [seconds of day] |
56494.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
65.574 |
| Y GSE location of spacecraft [Re] |
-17.555 |
| Z GSE location of spacecraft [Re] |
-3.650 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0217 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0229 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.82, 16.85, 17.44 |
Event added to database
|
Sun Oct 16 11:40:55 2005
|
Event last processed
|
Tue Mar 31 00:19:16 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
13.304 ± 0.718
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-429.7 ± 3.6 |
-449.0 ± 6.3 |
| Vy GSE [km/s] |
-31.1 ± 1.1 |
-36.5 ± 1.2 |
| Vz GSE [km/s] |
-6.4 ± 1.7 |
-12.1 ± 3.3 |
| Wi [km/s] |
36.2 ± 1.4 |
38.2 ± 1.8 |
| We [km/s] |
1144.0 ± 43.2 |
1208.0 ± 58.1 |
| Ni [n/cc] |
8.7 ± 0.4 |
11.2 ± 0.4 |
| Bx GSE [nT] |
-0.7 ± 0.8 |
-1.2 ± 0.6 |
| By GSE [nT] |
10.5 ± 0.0 |
13.9 ± 0.3 |
| Bz GSE [nT] |
-0.8 ± 0.3 |
0.0 ± 0.8 |
Plasma Beta
|
0.212 ± 0.213
|
0.177 ± 0.180
|
Sound Speed [km/s]
|
46.70 ± 1.76
|
49.32 ± 2.37
|
Alfven Speed [km/s]
|
78.65 ± 1.93
|
90.89 ± 1.52
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.973 ± 0.165 |
-0.171 ± 0.666 |
0.156 ± 0.155 |
8.97 ± 43.48 |
189.99 ± 39.18 |
| VC |
-0.914 ± 0.076 |
-0.278 ± 0.101 |
-0.295 ± 0.286 |
-17.17 ± 14.15 |
196.91 ± 6.21 |
| MX1 |
-0.950 ± 0.081 |
-0.046 ± 0.259 |
-0.310 ± 0.300 |
-18.06 ± 14.71 |
182.80 ± 15.64 |
| MX2 |
-0.955 ± 0.075 |
-0.056 ± 0.255 |
-0.292 ± 0.283 |
-16.97 ± 14.45 |
183.33 ± 15.30 |
| MX3 |
-0.967 ± 0.064 |
-0.078 ± 0.243 |
-0.243 ± 0.239 |
-14.09 ± 14.39 |
184.63 ± 14.42 |
| RH08 |
-0.995 ± 0.002 |
0.009 ± 0.013 |
-0.095 ± 0.095 |
-5.45 ± 1.10 |
179.50 ± 0.77 |
| RH09 |
-0.986 ± 0.012 |
0.026 ± 0.070 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
178.50 ± 4.07 |
| RH10 |
-0.986 ± 0.012 |
0.026 ± 0.070 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
178.50 ± 4.07 |
| Average |
-0.966 |
-0.071 |
-0.175 |
-10.178 |
184.270 |
| Median |
-0.967 |
-0.046 |
-0.162 |
-9.324 |
183.332 |
| Deviation |
0.026 |
0.106 |
0.155 |
8.968 |
6.382 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
83.0 ± 4.5 |
507.4 ± 27.1 |
1.30 ± 0.06 |
| VC |
78.5 ± 4.4 |
498.1 ± 24.9 |
1.30 ± 0.06 |
| MX1 |
88.0 ± 4.4 |
503.6 ± 24.9 |
1.30 ± 0.06 |
| MX2 |
88.6 ± 4.4 |
506.2 ± 25.1 |
1.30 ± 0.06 |
| MX3 |
89.9 ± 4.5 |
511.8 ± 25.5 |
1.30 ± 0.06 |
| RH08 |
85.6 ± 4.6 |
516.6 ± 26.2 |
1.30 ± 0.06 |
| RH09 |
84.4 ± 4.5 |
514.2 ± 25.8 |
1.30 ± 0.06 |
| RH10 |
84.4 ± 4.5 |
514.2 ± 25.8 |
1.30 ± 0.06 |
| Average |
85.3 |
509.0 |
1.30 |
| Median |
85.6 |
511.8 |
1.30 |
| Deviation |
3.6 |
6.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
85.1 ± 3.7 |
4.9 ± 0.1 |
9.6 ± 0.2 |
91.4 ± 1.8 |
17.45 ± 0.95 |
0.93 ± 0.04 |
| VC |
94.8 ± 3.5 |
8.0 ± 0.2 |
15.6 ± 0.4 |
91.1 ± 1.8 |
11.84 ± 0.62 |
1.04 ± 0.04 |
| MX1 |
92.1 ± 3.4 |
1.4 ± 0.0 |
2.7 ± 0.1 |
91.5 ± 1.8 |
66.51 ± 3.44 |
1.01 ± 0.04 |
| MX2 |
92.3 ± 3.5 |
1.0 ± 0.0 |
1.9 ± 0.0 |
91.5 ± 1.8 |
94.10 ± 4.88 |
1.01 ± 0.04 |
| MX3 |
92.4 ± 3.5 |
0.0 ± 0.0 |
0.1 ± 0.0 |
91.5 ± 1.8 |
2518.87 ± 131.41 |
1.01 ± 0.04 |
| RH8 |
88.6 ± 3.6 |
3.1 ± 0.1 |
6.1 ± 0.1 |
91.4 ± 1.8 |
28.67 ± 1.52 |
0.97 ± 0.04 |
| RH9 |
90.1 ± 3.5 |
3.9 ± 0.1 |
7.7 ± 0.2 |
91.4 ± 1.8 |
22.85 ± 1.19 |
0.99 ± 0.04 |
| RH10 |
90.1 ± 3.5 |
3.9 ± 0.1 |
7.7 ± 0.2 |
91.4 ± 1.8 |
22.85 ± 1.19 |
0.99 ± 0.04 |
| Average |
90.7 |
3.3 |
6.4 |
91.4 |
347.9 |
1.0 |
| Median |
92.1 |
3.9 |
7.7 |
91.4 |
28.7 |
1.0 |
| Deviation |
2.9 |
2.5 |
5.0 |
0.1 |
877.7 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
66.3 ± 6.3 |
5.3 ± 0.2 |
11.0 ± 0.2 |
103.3 ± 2.1 |
12.61 ± 1.51 |
0.64 ± 0.07 |
| VC |
74.0 ± 6.1 |
8.7 ± 0.3 |
18.1 ± 0.3 |
103.1 ± 2.1 |
8.58 ± 0.96 |
0.72 ± 0.07 |
| MX1 |
71.8 ± 6.1 |
1.5 ± 0.1 |
3.1 ± 0.1 |
103.4 ± 2.1 |
48.12 ± 5.49 |
0.69 ± 0.06 |
| MX2 |
71.9 ± 6.1 |
1.1 ± 0.0 |
2.2 ± 0.0 |
103.4 ± 2.1 |
68.06 ± 7.78 |
0.70 ± 0.07 |
| MX3 |
72.0 ± 6.2 |
0.0 ± 0.0 |
0.1 ± 0.0 |
103.4 ± 2.1 |
1820.75 ± 208.95 |
0.70 ± 0.07 |
| RH8 |
68.9 ± 6.2 |
3.3 ± 0.1 |
7.0 ± 0.1 |
103.4 ± 2.1 |
20.70 ± 2.44 |
0.67 ± 0.07 |
| RH9 |
70.3 ± 6.2 |
4.3 ± 0.2 |
8.9 ± 0.1 |
103.3 ± 2.1 |
16.55 ± 1.92 |
0.68 ± 0.07 |
| RH10 |
70.3 ± 6.2 |
4.3 ± 0.2 |
8.9 ± 0.1 |
103.3 ± 2.1 |
16.55 ± 1.92 |
0.68 ± 0.07 |
| Average |
70.7 |
3.5 |
7.4 |
103.3 |
251.5 |
0.7 |
| Median |
71.8 |
4.3 |
8.9 |
103.4 |
20.7 |
0.7 |
| Deviation |
2.3 |
2.7 |
5.7 |
0.1 |
634.4 |
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)
| 
