Database: Wind Shock Analysis
Event ID: 19960991308
Observation time: 04/08/1996 99.54790 1308 [UT]
|
|
General
Information (About, Top)
| Year |
1996 |
| Fractional day of year |
99.547899 |
| Arrival time of shock [seconds of day] |
47338.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
82.153 |
| Y GSE location of spacecraft [Re] |
27.368 |
| Z GSE location of spacecraft [Re] |
-2.770 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0264 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0255 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.39, 7.57, 8.19 |
Event added to database
|
Mon Feb 14 11:02:27 2005
|
Event last processed
|
Mon Mar 30 16:12:56 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
27.576 ± 6.049
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-298.0 ± 4.1 |
-317.8 ± 2.0 |
| Vy GSE [km/s] |
-17.7 ± 3.1 |
-25.0 ± 2.9 |
| Vz GSE [km/s] |
0.0 ± 8.5 |
21.3 ± 3.1 |
| Wi [km/s] |
17.3 ± 0.6 |
18.6 ± 0.5 |
| We [km/s] |
547.5 ± 19.0 |
587.9 ± 15.0 |
| Ni [n/cc] |
17.8 ± 0.3 |
25.3 ± 0.8 |
| Bx GSE [nT] |
-2.2 ± 0.8 |
-3.5 ± 0.4 |
| By GSE [nT] |
4.6 ± 0.4 |
9.5 ± 0.2 |
| Bz GSE [nT] |
0.6 ± 1.3 |
1.6 ± 0.6 |
Plasma Beta
|
0.407 ± 0.379
|
0.175 ± 0.174
|
Sound Speed [km/s]
|
22.35 ± 0.78
|
24.00 ± 0.61
|
Alfven Speed [km/s]
|
27.47 ± 2.56
|
44.62 ± 1.89
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.865 ± 0.361 |
-0.375 ± 0.640 |
0.334 ± 0.321 |
19.51 ± 43.86 |
203.45 ± 41.89 |
| VC |
-0.688 ± 0.119 |
-0.237 ± 0.119 |
0.685 ± 0.550 |
43.27 ± 9.97 |
199.00 ± 9.40 |
| MX1 |
-0.643 ± 0.163 |
-0.360 ± 0.257 |
0.676 ± 0.547 |
42.53 ± 7.86 |
209.27 ± 22.55 |
| MX2 |
-0.671 ± 0.149 |
-0.352 ± 0.241 |
0.653 ± 0.539 |
40.75 ± 8.03 |
207.70 ± 20.27 |
| MX3 |
-0.694 ± 0.141 |
-0.347 ± 0.231 |
0.631 ± 0.530 |
39.11 ± 8.50 |
206.54 ± 18.71 |
| RH08 |
-0.803 ± 0.010 |
-0.106 ± 0.008 |
-0.587 ± 0.508 |
-35.92 ± 0.95 |
187.52 ± 0.54 |
| RH09 |
-0.840 ± 0.038 |
-0.111 ± 0.070 |
-0.531 ± 0.474 |
-32.05 ± 4.01 |
187.52 ± 4.78 |
| RH10 |
-0.819 ± 0.040 |
-0.108 ± 0.070 |
-0.564 ± 0.495 |
-34.35 ± 4.00 |
187.52 ± 4.87 |
| Average |
-0.753 |
-0.250 |
0.162 |
10.356 |
198.566 |
| Median |
-0.694 |
-0.237 |
0.631 |
39.109 |
203.450 |
| Deviation |
0.087 |
0.124 |
0.609 |
37.590 |
9.648 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
86.9 ± 12.8 |
356.2 ± 21.5 |
1.42 ± 0.03 |
| VC |
82.1 ± 16.1 |
314.9 ± 24.5 |
1.42 ± 0.03 |
| MX1 |
89.6 ± 16.1 |
302.9 ± 24.5 |
1.42 ± 0.03 |
| MX2 |
88.6 ± 15.9 |
310.4 ± 24.3 |
1.42 ± 0.03 |
| MX3 |
87.9 ± 15.7 |
316.7 ± 24.2 |
1.42 ± 0.03 |
| RH08 |
79.8 ± 3.2 |
255.4 ± 12.5 |
1.42 ± 0.03 |
| RH09 |
78.9 ± 2.6 |
273.6 ± 12.3 |
1.42 ± 0.03 |
| RH10 |
79.5 ± 2.9 |
263.1 ± 12.4 |
1.42 ± 0.03 |
| Average |
84.2 |
299.2 |
1.42 |
| Median |
86.9 |
310.4 |
1.42 |
| Deviation |
4.5 |
33.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
91.8 ± 7.2 |
0.9 ± 0.0 |
1.5 ± 0.1 |
35.4 ± 2.0 |
99.62 ± 11.71 |
2.61 ± 0.34 |
| VC |
105.4 ± 9.1 |
2.4 ± 0.1 |
3.8 ± 0.4 |
35.4 ± 2.0 |
44.22 ± 5.51 |
3.00 ± 0.41 |
| MX1 |
104.9 ± 9.1 |
0.1 ± 0.0 |
0.2 ± 0.0 |
35.5 ± 2.0 |
798.59 ± 100.14 |
2.98 ± 0.41 |
| MX2 |
104.3 ± 9.0 |
0.4 ± 0.0 |
0.7 ± 0.1 |
35.5 ± 2.0 |
249.67 ± 31.20 |
2.96 ± 0.41 |
| MX3 |
103.7 ± 8.9 |
0.6 ± 0.0 |
1.0 ± 0.1 |
35.5 ± 2.0 |
163.47 ± 20.36 |
2.94 ± 0.40 |
| RH8 |
14.3 ± 2.1 |
3.1 ± 0.1 |
4.8 ± 0.5 |
35.3 ± 2.0 |
4.65 ± 0.61 |
0.40 ± 0.05 |
| RH9 |
21.2 ± 1.7 |
3.3 ± 0.1 |
5.3 ± 0.5 |
35.3 ± 2.0 |
6.36 ± 0.50 |
0.60 ± 0.05 |
| RH10 |
17.3 ± 1.9 |
3.2 ± 0.1 |
5.0 ± 0.5 |
35.3 ± 2.0 |
5.45 ± 0.55 |
0.49 ± 0.05 |
| Average |
70.4 |
1.8 |
2.8 |
35.4 |
171.5 |
2.0 |
| Median |
103.7 |
2.4 |
3.8 |
35.4 |
99.6 |
2.9 |
| Deviation |
44.0 |
1.4 |
2.2 |
0.1 |
268.2 |
1.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
64.9 ± 2.0 |
1.1 ± 0.0 |
2.4 ± 0.1 |
50.7 ± 1.4 |
57.38 ± 1.91 |
1.28 ± 0.07 |
| VC |
75.5 ± 1.7 |
2.9 ± 0.0 |
6.2 ± 0.3 |
50.6 ± 1.4 |
25.83 ± 0.70 |
1.49 ± 0.07 |
| MX1 |
75.2 ± 1.6 |
0.2 ± 0.0 |
0.3 ± 0.0 |
50.7 ± 1.4 |
466.42 ± 12.33 |
1.49 ± 0.06 |
| MX2 |
74.6 ± 1.6 |
0.5 ± 0.0 |
1.1 ± 0.0 |
50.7 ± 1.4 |
145.49 ± 3.86 |
1.47 ± 0.06 |
| MX3 |
74.0 ± 1.6 |
0.8 ± 0.0 |
1.6 ± 0.1 |
50.7 ± 1.4 |
95.09 ± 2.53 |
1.46 ± 0.06 |
| RH8 |
10.1 ± 3.2 |
3.7 ± 0.1 |
7.9 ± 0.3 |
50.5 ± 1.4 |
2.70 ± 0.86 |
0.20 ± 0.06 |
| RH9 |
15.1 ± 3.2 |
4.1 ± 0.1 |
8.6 ± 0.4 |
50.5 ± 1.4 |
3.71 ± 0.77 |
0.30 ± 0.06 |
| RH10 |
12.3 ± 3.2 |
3.9 ± 0.1 |
8.2 ± 0.3 |
50.5 ± 1.4 |
3.18 ± 0.82 |
0.24 ± 0.06 |
| Average |
50.2 |
2.1 |
4.5 |
50.6 |
100.0 |
1.0 |
| Median |
74.0 |
2.9 |
6.2 |
50.7 |
57.4 |
1.5 |
| Deviation |
31.4 |
1.7 |
3.5 |
0.1 |
156.7 |
0.6 |
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)
| 
