Database: Wind Shock Analysis
Event ID: 20013501212
Observation time: 12/16/2001 350.50852 1212 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
350.508524 |
| Arrival time of shock [seconds of day] |
43936.5 ± 6.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
42.550 |
| Y GSE location of spacecraft [Re] |
439.830 |
| Z GSE location of spacecraft [Re] |
18.420 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0248 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0288 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.11, 12.26, 13.41 |
Event added to database
|
Mon Feb 14 11:17:01 2005
|
Event last processed
|
Mon Mar 30 22:19:59 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
148.456 ± 17.467
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-486.3 ± 4.6 |
-536.0 ± 5.9 |
| Vy GSE [km/s] |
27.3 ± 5.3 |
-3.8 ± 6.0 |
| Vz GSE [km/s] |
-18.0 ± 13.7 |
-20.9 ± 9.2 |
| Wi [km/s] |
49.7 ± 2.0 |
40.3 ± 2.5 |
| We [km/s] |
1571.5 ± 63.3 |
1274.0 ± 79.8 |
| Ni [n/cc] |
6.2 ± 0.3 |
3.9 ± 0.3 |
| Bx GSE [nT] |
-7.2 ± 0.7 |
-2.9 ± 0.7 |
| By GSE [nT] |
10.7 ± 0.8 |
6.8 ± 0.5 |
| Bz GSE [nT] |
3.0 ± 3.0 |
3.0 ± 1.0 |
Plasma Beta
|
0.176 ± 0.183
|
0.205 ± 0.197
|
Sound Speed [km/s]
|
64.15 ± 2.58
|
52.01 ± 3.26
|
Alfven Speed [km/s]
|
118.69 ± 1.87
|
89.62 ± 3.27
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.956 ± 0.336 |
-0.267 ± 1.158 |
-0.120 ± 0.120 |
-6.91 ± 44.97 |
195.59 ± 69.40 |
| VC |
-0.847 ± 0.075 |
-0.529 ± 0.119 |
-0.048 ± 0.048 |
-2.74 ± 14.79 |
211.99 ± 8.02 |
| MX1 |
-0.605 ± 0.129 |
-0.787 ± 0.100 |
-0.120 ± 0.120 |
-6.91 ± 11.71 |
232.48 ± 9.32 |
| MX2 |
-0.666 ± 0.408 |
-0.736 ± 0.370 |
-0.123 ± 0.123 |
-7.09 ± 18.10 |
227.86 ± 31.73 |
| MX3 |
-0.640 ± 0.118 |
-0.767 ± 0.098 |
-0.046 ± 0.046 |
-2.63 ± 8.45 |
230.19 ± 8.81 |
| RH08 |
-0.699 ± 0.017 |
-0.715 ± 0.017 |
-0.006 ± 0.006 |
-0.32 ± 1.33 |
225.63 ± 1.37 |
| RH09 |
-0.674 ± 0.051 |
-0.739 ± 0.046 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
227.63 ± 3.94 |
| RH10 |
-0.699 ± 0.049 |
-0.715 ± 0.048 |
0.017 ± 0.017 |
0.96 ± 4.05 |
225.63 ± 3.91 |
| Average |
-0.723 |
-0.657 |
-0.057 |
-3.245 |
222.125 |
| Median |
-0.674 |
-0.715 |
-0.046 |
-2.627 |
227.632 |
| Deviation |
0.118 |
0.176 |
0.058 |
3.318 |
12.344 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
74.5 ± 3.3 |
365.7 ± 32.9 |
0.62 ± 0.07 |
| VC |
89.0 ± 3.1 |
299.2 ± 30.2 |
0.62 ± 0.07 |
| MX1 |
70.7 ± 2.9 |
182.5 ± 27.2 |
0.62 ± 0.07 |
| MX2 |
75.1 ± 2.8 |
211.7 ± 28.4 |
0.62 ± 0.07 |
| MX3 |
73.8 ± 3.4 |
197.9 ± 26.9 |
0.62 ± 0.07 |
| RH08 |
78.6 ± 3.6 |
225.5 ± 27.4 |
0.62 ± 0.07 |
| RH09 |
76.7 ± 3.7 |
212.7 ± 27.0 |
0.62 ± 0.07 |
| RH10 |
78.9 ± 3.8 |
224.2 ± 27.2 |
0.62 ± 0.07 |
| Average |
77.1 |
239.9 |
0.62 |
| Median |
76.7 |
224.2 |
0.62 |
| Deviation |
5.5 |
61.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-94.2 ± 5.0 |
15.2 ± 0.4 |
31.8 ± 0.5 |
134.1 ± 1.3 |
-6.20 ± 0.27 |
-0.70 ± 0.03 |
| VC |
-99.2 ± 4.6 |
1.0 ± 0.0 |
2.2 ± 0.0 |
134.9 ± 1.3 |
-96.78 ± 4.28 |
-0.74 ± 0.03 |
| MX1 |
-92.2 ± 4.3 |
18.8 ± 0.6 |
39.2 ± 0.6 |
133.6 ± 1.3 |
-4.90 ± 0.23 |
-0.69 ± 0.03 |
| MX2 |
-94.2 ± 4.3 |
14.6 ± 0.4 |
30.6 ± 0.5 |
134.2 ± 1.3 |
-6.44 ± 0.29 |
-0.70 ± 0.03 |
| MX3 |
-93.0 ± 4.7 |
15.9 ± 0.5 |
33.2 ± 0.5 |
134.0 ± 1.3 |
-5.85 ± 0.31 |
-0.69 ± 0.03 |
| RH8 |
-95.2 ± 4.9 |
11.2 ± 0.3 |
23.5 ± 0.4 |
134.5 ± 1.3 |
-8.50 ± 0.45 |
-0.71 ± 0.03 |
| RH9 |
-94.9 ± 4.9 |
13.1 ± 0.4 |
27.3 ± 0.4 |
134.3 ± 1.3 |
-7.28 ± 0.40 |
-0.71 ± 0.03 |
| RH10 |
-96.0 ± 5.0 |
10.9 ± 0.3 |
22.9 ± 0.4 |
134.5 ± 1.3 |
-8.80 ± 0.49 |
-0.71 ± 0.03 |
| Average |
-94.9 |
12.6 |
26.3 |
134.3 |
-18.1 |
-0.7 |
| Median |
-94.2 |
14.6 |
30.6 |
134.3 |
-6.4 |
-0.7 |
| Deviation |
2.1 |
5.3 |
11.1 |
0.4 |
31.8 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-150.4 ± 6.2 |
12.1 ± 0.5 |
24.0 ± 0.9 |
103.0 ± 1.8 |
-12.43 ± 0.45 |
-1.46 ± 0.06 |
| VC |
-158.0 ± 5.9 |
0.8 ± 0.0 |
1.6 ± 0.1 |
103.7 ± 1.8 |
-193.66 ± 5.89 |
-1.52 ± 0.06 |
| MX1 |
-147.1 ± 5.7 |
15.0 ± 0.6 |
29.6 ± 1.1 |
102.6 ± 1.8 |
-9.82 ± 0.32 |
-1.43 ± 0.05 |
| MX2 |
-150.6 ± 5.7 |
11.6 ± 0.4 |
23.1 ± 0.8 |
103.0 ± 1.8 |
-12.94 ± 0.41 |
-1.46 ± 0.05 |
| MX3 |
-148.8 ± 5.8 |
12.7 ± 0.5 |
25.1 ± 0.9 |
102.9 ± 1.8 |
-11.77 ± 0.38 |
-1.45 ± 0.05 |
| RH8 |
-152.2 ± 5.9 |
8.9 ± 0.3 |
17.7 ± 0.6 |
103.3 ± 1.8 |
-17.09 ± 0.54 |
-1.47 ± 0.05 |
| RH9 |
-151.4 ± 5.9 |
10.4 ± 0.4 |
20.6 ± 0.8 |
103.2 ± 1.8 |
-14.58 ± 0.47 |
-1.47 ± 0.05 |
| RH10 |
-153.0 ± 5.9 |
8.7 ± 0.3 |
17.3 ± 0.6 |
103.3 ± 1.8 |
-17.61 ± 0.56 |
-1.48 ± 0.05 |
| Average |
-151.4 |
10.0 |
19.9 |
103.1 |
-36.2 |
-1.5 |
| Median |
-150.6 |
11.6 |
23.1 |
103.2 |
-12.9 |
-1.5 |
| Deviation |
3.2 |
4.2 |
8.4 |
0.3 |
63.7 |
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)
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