Database: Wind Shock Analysis
Event ID: 19962290745
Observation time: 08/16/1996 229.32318 0745 [UT]
|
|
General
Information (About, Top)
| Year |
1996 |
| Fractional day of year |
229.323177 |
| Arrival time of shock [seconds of day] |
27922.5 ± 9.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
60.772 |
| Y GSE location of spacecraft [Re] |
34.150 |
| Z GSE location of spacecraft [Re] |
-2.143 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0143 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0140 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.98, 11.26, 12.11 |
Event added to database
|
Mon Feb 14 11:03:08 2005
|
Event last processed
|
Mon Mar 30 16:27:13 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
15.643 ± 1.555
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-376.3 ± 0.8 |
-391.5 ± 1.5 |
| Vy GSE [km/s] |
-21.2 ± 1.5 |
-33.4 ± 5.2 |
| Vz GSE [km/s] |
3.0 ± 0.7 |
-27.0 ± 3.3 |
| Wi [km/s] |
29.9 ± 0.9 |
33.8 ± 2.0 |
| We [km/s] |
945.4 ± 27.0 |
1070.4 ± 64.3 |
| Ni [n/cc] |
11.7 ± 0.3 |
19.8 ± 0.6 |
| Bx GSE [nT] |
-6.0 ± 0.2 |
-8.7 ± 0.6 |
| By GSE [nT] |
-0.1 ± 0.2 |
-0.6 ± 1.5 |
| Bz GSE [nT] |
1.3 ± 0.1 |
4.0 ± 0.9 |
Plasma Beta
|
0.587 ± 0.605
|
0.503 ± 0.477
|
Sound Speed [km/s]
|
38.60 ± 1.10
|
43.70 ± 2.63
|
Alfven Speed [km/s]
|
39.03 ± 1.00
|
47.78 ± 0.72
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.838 ± 0.140 |
-0.136 ± 0.479 |
-0.529 ± 0.473 |
-31.95 ± 12.82 |
189.19 ± 32.77 |
| VC |
-0.441 ± 0.079 |
-0.337 ± 0.102 |
-0.832 ± 0.545 |
-56.30 ± 1.55 |
217.36 ± 13.14 |
| MX1 |
-0.673 ± 0.105 |
-0.318 ± 0.141 |
-0.668 ± 0.544 |
-41.89 ± 7.88 |
205.25 ± 11.57 |
| MX2 |
-0.646 ± 0.092 |
-0.351 ± 0.102 |
-0.678 ± 0.548 |
-42.66 ± 7.35 |
208.54 ± 8.28 |
| MX3 |
-0.616 ± 0.080 |
-0.389 ± 0.073 |
-0.685 ± 0.550 |
-43.27 ± 7.08 |
212.25 ± 5.31 |
| RH08 |
-0.918 ± 0.011 |
-0.221 ± 0.024 |
-0.330 ± 0.317 |
-19.25 ± 1.67 |
193.54 ± 1.49 |
| RH09 |
-0.936 ± 0.023 |
-0.191 ± 0.066 |
-0.296 ± 0.287 |
-17.22 ± 3.64 |
191.53 ± 4.02 |
| RH10 |
-0.939 ± 0.024 |
-0.192 ± 0.070 |
-0.285 ± 0.277 |
-16.55 ± 3.97 |
191.53 ± 4.25 |
| Average |
-0.751 |
-0.267 |
-0.538 |
-33.636 |
201.149 |
| Median |
-0.673 |
-0.221 |
-0.529 |
-31.948 |
205.250 |
| Deviation |
0.184 |
0.093 |
0.211 |
14.770 |
10.976 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
44.8 ± 1.6 |
390.5 ± 5.2 |
1.69 ± 0.03 |
| VC |
74.8 ± 1.8 |
257.8 ± 11.5 |
1.69 ± 0.03 |
| MX1 |
58.4 ± 1.8 |
341.5 ± 9.2 |
1.69 ± 0.03 |
| MX2 |
60.3 ± 1.8 |
332.6 ± 9.8 |
1.69 ± 0.03 |
| MX3 |
62.3 ± 1.8 |
322.4 ± 10.4 |
1.69 ± 0.03 |
| RH08 |
33.7 ± 1.8 |
414.1 ± 4.2 |
1.69 ± 0.03 |
| RH09 |
31.1 ± 1.8 |
417.9 ± 3.5 |
1.69 ± 0.03 |
| RH10 |
30.5 ± 1.8 |
418.5 ± 3.4 |
1.69 ± 0.03 |
| Average |
49.5 |
361.9 |
1.69 |
| Median |
58.4 |
390.5 |
1.69 |
| Deviation |
16.8 |
58.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
74.0 ± 0.5 |
21.1 ± 0.5 |
27.7 ± 0.7 |
50.7 ± 1.2 |
3.51 ± 0.10 |
1.46 ± 0.04 |
| VC |
87.2 ± 0.4 |
7.3 ± 0.2 |
10.2 ± 0.3 |
54.4 ± 1.3 |
12.01 ± 0.26 |
1.60 ± 0.03 |
| MX1 |
83.4 ± 0.3 |
14.9 ± 0.4 |
20.4 ± 0.5 |
52.8 ± 1.3 |
5.59 ± 0.13 |
1.58 ± 0.04 |
| MX2 |
84.1 ± 0.3 |
14.1 ± 0.3 |
19.3 ± 0.5 |
53.1 ± 1.3 |
5.98 ± 0.13 |
1.58 ± 0.04 |
| MX3 |
84.6 ± 0.4 |
13.1 ± 0.3 |
18.1 ± 0.5 |
53.3 ± 1.3 |
6.44 ± 0.14 |
1.59 ± 0.03 |
| RH8 |
65.0 ± 0.5 |
25.9 ± 0.6 |
32.5 ± 0.8 |
48.4 ± 1.2 |
2.51 ± 0.07 |
1.34 ± 0.04 |
| RH9 |
62.6 ± 0.5 |
27.0 ± 0.7 |
33.4 ± 0.9 |
47.8 ± 1.2 |
2.32 ± 0.07 |
1.31 ± 0.04 |
| RH10 |
62.0 ± 0.5 |
27.2 ± 0.7 |
33.6 ± 0.9 |
47.7 ± 1.2 |
2.28 ± 0.07 |
1.30 ± 0.04 |
| Average |
75.4 |
18.8 |
24.4 |
51.0 |
5.1 |
1.5 |
| Median |
83.4 |
21.1 |
27.7 |
52.8 |
5.6 |
1.6 |
| Deviation |
10.8 |
7.5 |
8.6 |
2.7 |
3.3 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
43.7 ± 1.3 |
24.7 ± 0.8 |
33.9 ± 0.5 |
59.9 ± 1.8 |
1.77 ± 0.10 |
0.73 ± 0.04 |
| VC |
51.5 ± 3.9 |
8.5 ± 0.3 |
12.5 ± 0.2 |
64.2 ± 1.9 |
6.04 ± 0.59 |
0.80 ± 0.08 |
| MX1 |
49.2 ± 2.9 |
17.5 ± 0.6 |
25.0 ± 0.4 |
62.4 ± 1.9 |
2.82 ± 0.23 |
0.79 ± 0.06 |
| MX2 |
49.6 ± 3.1 |
16.5 ± 0.5 |
23.7 ± 0.4 |
62.6 ± 1.9 |
3.01 ± 0.26 |
0.79 ± 0.07 |
| MX3 |
49.9 ± 3.4 |
15.4 ± 0.5 |
22.2 ± 0.3 |
62.9 ± 1.9 |
3.24 ± 0.30 |
0.79 ± 0.07 |
| RH8 |
38.5 ± 1.0 |
30.3 ± 1.0 |
39.7 ± 0.6 |
57.2 ± 1.7 |
1.27 ± 0.07 |
0.67 ± 0.03 |
| RH9 |
37.2 ± 0.7 |
31.6 ± 1.1 |
40.9 ± 0.6 |
56.6 ± 1.6 |
1.18 ± 0.06 |
0.66 ± 0.03 |
| RH10 |
36.8 ± 0.6 |
31.9 ± 1.1 |
41.2 ± 0.6 |
56.4 ± 1.6 |
1.16 ± 0.06 |
0.65 ± 0.03 |
| Average |
44.5 |
22.1 |
29.9 |
60.3 |
2.6 |
0.7 |
| Median |
49.2 |
24.7 |
33.9 |
62.4 |
2.8 |
0.8 |
| Deviation |
6.3 |
8.8 |
10.6 |
3.2 |
1.6 |
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)
| 
