Database: Wind Shock Analysis
Event ID: 19963581537
Observation time: 12/23/1996 358.65099 1537 [UT]
|
|
General
Information (About, Top)
| Year |
1996 |
| Fractional day of year |
358.650990 |
| Arrival time of shock [seconds of day] |
56245.5 ± 60.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
76.464 |
| Y GSE location of spacecraft [Re] |
22.854 |
| Z GSE location of spacecraft [Re] |
-8.730 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0178 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0205 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.78, 9.57, 9.91 |
Event added to database
|
Mon Feb 14 11:03:38 2005
|
Event last processed
|
Mon Mar 30 16:30:50 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
19.686 ± 2.761
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-381.7 ± 1.7 |
-400.6 ± 0.8 |
| Vy GSE [km/s] |
37.1 ± 6.6 |
12.7 ± 4.0 |
| Vz GSE [km/s] |
21.4 ± 4.5 |
12.4 ± 1.6 |
| Wi [km/s] |
30.1 ± 0.7 |
36.2 ± 0.4 |
| We [km/s] |
952.0 ± 21.0 |
1143.6 ± 12.6 |
| Ni [n/cc] |
4.1 ± 0.1 |
7.4 ± 0.2 |
| Bx GSE [nT] |
5.6 ± 0.1 |
3.8 ± 0.2 |
| By GSE [nT] |
3.2 ± 0.3 |
-1.0 ± 1.1 |
| Bz GSE [nT] |
4.5 ± 0.3 |
3.8 ± 0.2 |
Plasma Beta
|
0.126 ± 0.127
|
0.664 ± 0.684
|
Sound Speed [km/s]
|
38.87 ± 0.86
|
46.69 ± 0.52
|
Alfven Speed [km/s]
|
84.77 ± 1.05
|
44.46 ± 1.51
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.627 ± 0.045 |
0.389 ± 0.064 |
-0.675 ± 0.547 |
-42.45 ± 2.31 |
148.18 ± 5.74 |
| VC |
-0.606 ± 0.146 |
-0.742 ± 0.122 |
-0.286 ± 0.278 |
-16.60 ± 9.80 |
230.77 ± 11.00 |
| MX1 |
-0.600 ± 0.216 |
0.386 ± 0.170 |
-0.701 ± 0.554 |
-44.51 ± 19.87 |
147.27 ± 10.30 |
| MX2 |
-0.612 ± 0.058 |
0.387 ± 0.073 |
-0.690 ± 0.551 |
-43.61 ± 3.85 |
147.71 ± 6.39 |
| MX3 |
-0.816 ± 0.108 |
0.435 ± 0.116 |
-0.382 ± 0.362 |
-22.44 ± 15.80 |
151.94 ± 7.37 |
| RH08 |
-0.788 ± 0.014 |
0.219 ± 0.008 |
0.575 ± 0.501 |
35.13 ± 1.44 |
164.46 ± 0.52 |
| RH09 |
-0.756 ± 0.046 |
0.210 ± 0.069 |
0.620 ± 0.525 |
38.32 ± 4.04 |
164.46 ± 5.15 |
| RH10 |
-0.764 ± 0.045 |
0.213 ± 0.068 |
0.609 ± 0.519 |
37.51 ± 4.02 |
164.46 ± 5.06 |
| Average |
-0.696 |
0.187 |
-0.116 |
-7.331 |
164.905 |
| Median |
-0.627 |
0.386 |
-0.286 |
-16.602 |
164.457 |
| Deviation |
0.093 |
0.387 |
0.613 |
38.068 |
27.758 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
47.7 ± 2.5 |
256.6 ± 8.2 |
1.81 ± 0.09 |
| VC |
26.2 ± 2.6 |
268.4 ± 6.6 |
1.81 ± 0.09 |
| MX1 |
48.0 ± 2.5 |
245.1 ± 8.3 |
1.81 ± 0.09 |
| MX2 |
47.8 ± 2.5 |
250.3 ± 8.2 |
1.81 ± 0.09 |
| MX3 |
51.8 ± 1.8 |
336.7 ± 7.3 |
1.81 ± 0.09 |
| RH08 |
82.1 ± 1.3 |
331.0 ± 3.2 |
1.81 ± 0.09 |
| RH09 |
84.7 ± 1.4 |
317.7 ± 3.3 |
1.81 ± 0.09 |
| RH10 |
84.0 ± 1.4 |
321.2 ± 3.3 |
1.81 ± 0.09 |
| Average |
59.0 |
290.9 |
1.81 |
| Median |
51.8 |
317.7 |
1.81 |
| Deviation |
21.8 |
39.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
17.2 ± 6.1 |
24.6 ± 0.5 |
57.0 ± 0.7 |
89.9 ± 1.1 |
0.70 ± 0.26 |
0.19 ± 0.07 |
| VC |
70.7 ± 3.2 |
34.1 ± 0.7 |
76.1 ± 0.9 |
86.8 ± 1.1 |
2.08 ± 0.07 |
0.81 ± 0.03 |
| MX1 |
16.7 ± 6.1 |
24.5 ± 0.5 |
56.8 ± 0.7 |
90.0 ± 1.1 |
0.68 ± 0.26 |
0.19 ± 0.07 |
| MX2 |
17.0 ± 6.1 |
24.6 ± 0.5 |
56.9 ± 0.7 |
90.0 ± 1.1 |
0.69 ± 0.26 |
0.19 ± 0.07 |
| MX3 |
17.4 ± 5.3 |
22.5 ± 0.4 |
52.4 ± 0.6 |
90.5 ± 1.1 |
0.77 ± 0.25 |
0.19 ± 0.06 |
| RH8 |
9.8 ± 1.8 |
4.9 ± 0.1 |
11.6 ± 0.1 |
93.1 ± 1.1 |
2.01 ± 0.36 |
0.10 ± 0.02 |
| RH9 |
8.2 ± 1.9 |
3.3 ± 0.1 |
7.8 ± 0.1 |
93.2 ± 1.1 |
2.49 ± 0.56 |
0.09 ± 0.02 |
| RH10 |
8.6 ± 1.9 |
3.7 ± 0.1 |
8.8 ± 0.1 |
93.2 ± 1.1 |
2.33 ± 0.50 |
0.09 ± 0.02 |
| Average |
20.7 |
17.8 |
40.9 |
90.8 |
1.5 |
0.2 |
| Median |
17.0 |
24.5 |
56.8 |
90.5 |
2.0 |
0.2 |
| Deviation |
20.6 |
12.0 |
27.0 |
2.2 |
0.8 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
8.8 ± 1.3 |
23.2 ± 0.4 |
29.9 ± 1.0 |
60.2 ± 0.9 |
0.38 ± 0.06 |
0.15 ± 0.02 |
| VC |
38.6 ± 3.6 |
34.0 ± 0.6 |
39.9 ± 1.4 |
54.8 ± 0.8 |
1.14 ± 0.10 |
0.70 ± 0.06 |
| MX1 |
8.5 ± 1.4 |
23.1 ± 0.4 |
29.8 ± 1.0 |
60.2 ± 0.9 |
0.37 ± 0.06 |
0.14 ± 0.02 |
| MX2 |
8.7 ± 1.3 |
23.1 ± 0.4 |
29.8 ± 1.0 |
60.2 ± 0.9 |
0.38 ± 0.06 |
0.14 ± 0.02 |
| MX3 |
9.2 ± 1.2 |
21.1 ± 0.3 |
27.5 ± 0.9 |
60.9 ± 0.9 |
0.44 ± 0.06 |
0.15 ± 0.02 |
| RH8 |
5.4 ± 1.1 |
4.4 ± 0.1 |
6.1 ± 0.2 |
64.3 ± 1.0 |
1.22 ± 0.25 |
0.08 ± 0.02 |
| RH9 |
4.6 ± 1.1 |
3.0 ± 0.0 |
4.1 ± 0.1 |
64.4 ± 1.0 |
1.54 ± 0.38 |
0.07 ± 0.02 |
| RH10 |
4.8 ± 1.1 |
3.3 ± 0.1 |
4.6 ± 0.2 |
64.4 ± 1.0 |
1.43 ± 0.34 |
0.07 ± 0.02 |
| Average |
11.1 |
16.9 |
21.5 |
61.2 |
0.9 |
0.2 |
| Median |
8.7 |
23.1 |
29.8 |
60.9 |
1.1 |
0.1 |
| Deviation |
11.3 |
11.7 |
14.2 |
3.3 |
0.5 |
0.2 |
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)
| 
