Database: Wind Shock Analysis
Event ID: 19952911040
Observation time: 10/18/1995 291.44491 1040 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
291.444907 |
| Arrival time of shock [seconds of day] |
38440.0 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
174.894 |
| Y GSE location of spacecraft [Re] |
-4.286 |
| Z GSE location of spacecraft [Re] |
-13.436 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0232 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0188 |
| Minimum chisq/dof for RH8,RH9,RH10 |
33.75, 29.83, 42.77 |
Event added to database
|
Mon Feb 14 11:01:37 2005
|
Event last processed
|
Mon Mar 30 15:58:02 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
40.789 ± 0.844
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-303.5 ± 2.2 |
-392.6 ± 2.6 |
| Vy GSE [km/s] |
5.3 ± 2.2 |
-22.2 ± 3.8 |
| Vz GSE [km/s] |
-3.2 ± 0.8 |
-9.7 ± 3.7 |
| Wi [km/s] |
21.5 ± 1.0 |
49.3 ± 1.1 |
| We [km/s] |
680.4 ± 32.3 |
1558.9 ± 36.0 |
| Ni [n/cc] |
11.7 ± 0.9 |
34.2 ± 2.1 |
| Bx GSE [nT] |
-1.1 ± 0.5 |
3.9 ± 1.1 |
| By GSE [nT] |
2.3 ± 0.4 |
2.2 ± 1.8 |
| Bz GSE [nT] |
1.0 ± 0.3 |
-4.7 ± 1.0 |
Plasma Beta
|
1.476 ± 1.482
|
3.926 ± 3.638
|
Sound Speed [km/s]
|
27.78 ± 1.32
|
63.64 ± 1.47
|
Alfven Speed [km/s]
|
17.78 ± 1.17
|
25.46 ± 3.31
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.986 ± 0.207 |
0.148 ± 1.375 |
0.075 ± 0.075 |
4.32 ± 5.95 |
171.44 ± 79.88 |
| VC |
-0.953 ± 0.013 |
-0.294 ± 0.042 |
-0.069 ± 0.069 |
-3.95 ± 2.16 |
197.13 ± 2.53 |
| MX1 |
-0.477 ± 0.473 |
-0.826 ± 0.277 |
-0.301 ± 0.292 |
-17.54 ± 9.91 |
239.97 ± 32.79 |
| MX2 |
-0.795 ± 0.062 |
-0.149 ± 0.246 |
-0.587 ± 0.508 |
-35.97 ± 4.14 |
190.63 ± 17.68 |
| MX3 |
-0.742 ± 0.097 |
-0.354 ± 0.171 |
-0.569 ± 0.498 |
-34.67 ± 5.97 |
205.52 ± 13.04 |
| RH08 |
-0.987 ± 0.001 |
-0.148 ± 0.000 |
-0.061 ± 0.061 |
-3.52 ± 0.64 |
188.52 ± 0.00 |
| RH09 |
-0.459 ± 0.058 |
-0.503 ± 0.055 |
-0.732 ± 0.560 |
-47.04 ± 2.98 |
227.63 ± 5.97 |
| RH10 |
-0.493 ± 0.060 |
-0.453 ± 0.062 |
-0.743 ± 0.561 |
-47.99 ± 3.96 |
222.62 ± 5.94 |
| Average |
-0.737 |
-0.322 |
-0.373 |
-23.296 |
205.432 |
| Median |
-0.742 |
-0.294 |
-0.301 |
-17.541 |
205.516 |
| Deviation |
0.233 |
0.290 |
0.326 |
20.787 |
23.025 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
57.3 ± 10.7 |
427.4 ± 7.8 |
2.80 ± 0.19 |
| VC |
83.7 ± 11.8 |
432.1 ± 8.7 |
2.80 ± 0.19 |
| MX1 |
52.6 ± 12.4 |
244.5 ± 7.3 |
2.80 ± 0.19 |
| MX2 |
88.6 ± 6.2 |
365.8 ± 6.9 |
2.80 ± 0.19 |
| MX3 |
78.1 ± 7.7 |
348.2 ± 7.0 |
2.80 ± 0.19 |
| RH08 |
75.8 ± 11.2 |
440.9 ± 8.5 |
2.80 ± 0.19 |
| RH09 |
60.1 ± 6.2 |
229.2 ± 5.6 |
2.80 ± 0.19 |
| RH10 |
63.4 ± 5.9 |
242.6 ± 5.7 |
2.80 ± 0.19 |
| Average |
70.0 |
341.3 |
2.80 |
| Median |
75.8 |
365.8 |
2.80 |
| Deviation |
13.3 |
90.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
127.6 ± 2.3 |
8.4 ± 0.5 |
9.6 ± 0.6 |
31.9 ± 1.5 |
15.32 ± 0.99 |
4.01 ± 0.24 |
| VC |
144.1 ± 2.2 |
1.6 ± 0.1 |
1.9 ± 0.1 |
33.0 ± 1.5 |
88.48 ± 5.12 |
4.38 ± 0.23 |
| MX1 |
103.1 ± 2.1 |
9.5 ± 0.5 |
10.8 ± 0.7 |
31.6 ± 1.5 |
10.88 ± 0.53 |
3.27 ± 0.14 |
| MX2 |
123.3 ± 1.9 |
0.4 ± 0.0 |
0.4 ± 0.0 |
33.0 ± 1.5 |
343.41 ± 20.18 |
3.75 ± 0.20 |
| MX3 |
123.0 ± 1.9 |
3.1 ± 0.2 |
3.7 ± 0.2 |
32.8 ± 1.5 |
39.70 ± 2.23 |
3.75 ± 0.19 |
| RH8 |
142.0 ± 2.2 |
3.7 ± 0.2 |
4.4 ± 0.3 |
32.8 ± 1.5 |
38.50 ± 2.30 |
4.34 ± 0.24 |
| RH9 |
90.2 ± 1.6 |
7.7 ± 0.4 |
8.9 ± 0.6 |
32.1 ± 1.5 |
11.80 ± 0.62 |
2.82 ± 0.13 |
| RH10 |
93.1 ± 1.6 |
6.8 ± 0.4 |
8.0 ± 0.5 |
32.3 ± 1.5 |
13.64 ± 0.73 |
2.89 ± 0.14 |
| Average |
118.3 |
5.1 |
6.0 |
32.4 |
70.2 |
3.7 |
| Median |
123.3 |
6.8 |
8.0 |
32.8 |
38.5 |
3.8 |
| Deviation |
20.8 |
3.4 |
3.8 |
0.5 |
113.4 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
44.3 ± 2.7 |
13.0 ± 1.5 |
13.8 ± 1.8 |
67.4 ± 1.4 |
3.46 ± 0.50 |
0.66 ± 0.04 |
| VC |
50.6 ± 2.4 |
2.6 ± 0.3 |
2.8 ± 0.4 |
68.6 ± 1.5 |
19.94 ± 2.93 |
0.74 ± 0.04 |
| MX1 |
36.0 ± 2.7 |
14.7 ± 1.7 |
15.5 ± 2.0 |
67.0 ± 1.4 |
2.49 ± 0.44 |
0.54 ± 0.04 |
| MX2 |
44.5 ± 2.9 |
0.6 ± 0.1 |
0.6 ± 0.1 |
68.6 ± 1.5 |
79.19 ± 9.64 |
0.65 ± 0.04 |
| MX3 |
43.5 ± 2.5 |
4.9 ± 0.5 |
5.3 ± 0.7 |
68.4 ± 1.5 |
8.99 ± 1.17 |
0.63 ± 0.03 |
| RH8 |
49.5 ± 2.5 |
5.8 ± 0.6 |
6.3 ± 0.8 |
68.4 ± 1.5 |
8.63 ± 1.24 |
0.72 ± 0.04 |
| RH9 |
30.7 ± 2.5 |
11.9 ± 1.4 |
12.7 ± 1.6 |
67.6 ± 1.5 |
2.60 ± 0.36 |
0.45 ± 0.04 |
| RH10 |
32.0 ± 2.6 |
10.7 ± 1.2 |
11.4 ± 1.5 |
67.8 ± 1.5 |
3.03 ± 0.41 |
0.47 ± 0.04 |
| Average |
41.4 |
8.0 |
8.5 |
68.0 |
16.0 |
0.6 |
| Median |
44.3 |
10.7 |
11.4 |
68.4 |
8.6 |
0.6 |
| Deviation |
7.6 |
5.2 |
5.5 |
0.6 |
26.2 |
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)
| 
