Database: Wind Shock Analysis
Event ID: 20011111529
Observation time: 04/21/2001 111.64530 1529 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
111.645295 |
| Arrival time of shock [seconds of day] |
55753.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
6.675 |
| Y GSE location of spacecraft [Re] |
-260.555 |
| Z GSE location of spacecraft [Re] |
-3.840 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0128 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0115 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.82, 84.03, 148.43 |
Event added to database
|
Mon Feb 14 11:13:37 2005
|
Event last processed
|
Mon Mar 30 20:55:36 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
28.724 ± 1.485
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-360.9 ± 1.5 |
-386.2 ± 1.8 |
| Vy GSE [km/s] |
-6.4 ± 1.3 |
4.0 ± 0.9 |
| Vz GSE [km/s] |
-7.3 ± 0.8 |
-1.7 ± 0.5 |
| Wi [km/s] |
20.3 ± 0.9 |
23.9 ± 0.5 |
| We [km/s] |
643.3 ± 27.6 |
756.2 ± 15.9 |
| Ni [n/cc] |
7.1 ± 0.2 |
11.9 ± 0.4 |
| Bx GSE [nT] |
-0.5 ± 0.0 |
-1.1 ± 0.1 |
| By GSE [nT] |
-3.2 ± 0.0 |
-4.7 ± 0.3 |
| Bz GSE [nT] |
1.3 ± 0.3 |
2.4 ± 0.2 |
Plasma Beta
|
0.516 ± 0.509
|
0.482 ± 0.500
|
Sound Speed [km/s]
|
26.26 ± 1.13
|
30.87 ± 0.65
|
Alfven Speed [km/s]
|
28.37 ± 0.88
|
34.48 ± 0.88
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.638 ± 0.444 |
0.669 ± 0.427 |
0.382 ± 0.362 |
22.43 ± 30.82 |
133.62 ± 36.01 |
| VC |
-0.906 ± 0.019 |
0.373 ± 0.046 |
0.200 ± 0.197 |
11.53 ± 1.20 |
157.61 ± 2.91 |
| MX1 |
-0.868 ± 0.059 |
0.473 ± 0.107 |
0.154 ± 0.153 |
8.86 ± 2.71 |
151.42 ± 7.07 |
| MX2 |
-0.873 ± 0.054 |
0.465 ± 0.101 |
0.144 ± 0.143 |
8.28 ± 3.07 |
151.96 ± 6.62 |
| MX3 |
-0.882 ± 0.048 |
0.454 ± 0.092 |
0.129 ± 0.128 |
7.39 ± 3.74 |
152.78 ± 5.98 |
| RH08 |
-0.911 ± 0.009 |
0.379 ± 0.020 |
0.162 ± 0.161 |
9.32 ± 0.76 |
157.44 ± 1.28 |
| RH09 |
-0.351 ± 0.066 |
0.624 ± 0.055 |
0.698 ± 0.553 |
44.29 ± 4.04 |
119.33 ± 5.65 |
| RH10 |
-0.367 ± 0.065 |
0.627 ± 0.054 |
0.687 ± 0.550 |
43.40 ± 4.00 |
120.33 ± 5.51 |
| Average |
-0.724 |
0.508 |
0.319 |
19.440 |
143.063 |
| Median |
-0.868 |
0.473 |
0.200 |
11.532 |
151.964 |
| Deviation |
0.242 |
0.116 |
0.244 |
15.800 |
16.172 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
67.5 ± 3.0 |
286.5 ± 2.2 |
1.67 ± 0.04 |
| VC |
82.1 ± 1.6 |
393.3 ± 2.1 |
1.67 ± 0.04 |
| MX1 |
75.4 ± 1.7 |
379.0 ± 2.1 |
1.67 ± 0.04 |
| MX2 |
75.7 ± 1.6 |
381.2 ± 2.1 |
1.67 ± 0.04 |
| MX3 |
76.0 ± 1.5 |
384.4 ± 2.1 |
1.67 ± 0.04 |
| RH08 |
81.0 ± 1.5 |
395.4 ± 2.1 |
1.67 ± 0.04 |
| RH09 |
74.5 ± 4.1 |
165.8 ± 1.9 |
1.67 ± 0.04 |
| RH10 |
74.3 ± 4.0 |
172.6 ± 1.9 |
1.67 ± 0.04 |
| Average |
75.8 |
319.8 |
1.67 |
| Median |
75.7 |
381.2 |
1.67 |
| Deviation |
4.5 |
99.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
63.4 ± 2.0 |
7.5 ± 0.2 |
10.8 ± 0.3 |
37.9 ± 1.1 |
8.46 ± 0.51 |
1.67 ± 0.10 |
| VC |
70.2 ± 1.9 |
2.7 ± 0.1 |
3.9 ± 0.1 |
38.6 ± 1.1 |
26.38 ± 1.48 |
1.82 ± 0.10 |
| MX1 |
70.0 ± 2.0 |
4.9 ± 0.1 |
7.1 ± 0.2 |
38.4 ± 1.1 |
14.35 ± 0.81 |
1.83 ± 0.10 |
| MX2 |
70.0 ± 2.0 |
4.8 ± 0.1 |
7.0 ± 0.2 |
38.4 ± 1.1 |
14.59 ± 0.82 |
1.83 ± 0.10 |
| MX3 |
70.0 ± 1.9 |
4.7 ± 0.1 |
6.8 ± 0.2 |
38.4 ± 1.1 |
14.97 ± 0.84 |
1.83 ± 0.10 |
| RH8 |
70.1 ± 1.9 |
3.0 ± 0.1 |
4.4 ± 0.1 |
38.5 ± 1.1 |
23.31 ± 1.31 |
1.82 ± 0.10 |
| RH9 |
48.3 ± 1.7 |
5.2 ± 0.2 |
7.6 ± 0.2 |
38.3 ± 1.1 |
9.33 ± 0.60 |
1.26 ± 0.08 |
| RH10 |
49.2 ± 1.7 |
5.3 ± 0.2 |
7.7 ± 0.2 |
38.3 ± 1.1 |
9.35 ± 0.60 |
1.29 ± 0.08 |
| Average |
63.9 |
4.8 |
6.9 |
38.3 |
15.1 |
1.7 |
| Median |
70.0 |
4.9 |
7.1 |
38.4 |
14.6 |
1.8 |
| Deviation |
9.6 |
1.5 |
2.1 |
0.2 |
6.6 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
38.2 ± 1.1 |
9.0 ± 0.1 |
13.2 ± 0.3 |
45.4 ± 0.6 |
4.27 ± 0.16 |
0.84 ± 0.03 |
| VC |
42.3 ± 1.6 |
3.2 ± 0.0 |
4.8 ± 0.1 |
46.2 ± 0.6 |
13.30 ± 0.63 |
0.92 ± 0.04 |
| MX1 |
42.3 ± 1.4 |
5.8 ± 0.1 |
8.7 ± 0.2 |
45.9 ± 0.6 |
7.25 ± 0.33 |
0.92 ± 0.04 |
| MX2 |
42.3 ± 1.5 |
5.7 ± 0.1 |
8.5 ± 0.2 |
45.9 ± 0.6 |
7.38 ± 0.33 |
0.92 ± 0.04 |
| MX3 |
42.2 ± 1.5 |
5.6 ± 0.1 |
8.3 ± 0.2 |
45.9 ± 0.6 |
7.57 ± 0.34 |
0.92 ± 0.04 |
| RH8 |
42.2 ± 1.5 |
3.6 ± 0.0 |
5.4 ± 0.1 |
46.1 ± 0.6 |
11.75 ± 0.56 |
0.92 ± 0.04 |
| RH9 |
29.0 ± 0.7 |
6.2 ± 0.1 |
9.2 ± 0.2 |
45.9 ± 0.6 |
4.69 ± 0.16 |
0.63 ± 0.02 |
| RH10 |
29.6 ± 0.8 |
6.3 ± 0.1 |
9.4 ± 0.2 |
45.9 ± 0.6 |
4.70 ± 0.16 |
0.65 ± 0.02 |
| Average |
38.5 |
5.7 |
8.4 |
45.9 |
7.6 |
0.8 |
| Median |
42.2 |
5.8 |
8.7 |
45.9 |
7.4 |
0.9 |
| Deviation |
5.9 |
1.8 |
2.6 |
0.2 |
3.3 |
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)
| 
