Database: Wind Shock Analysis
Event ID: 20010781133
Observation time: 03/19/2001 78.48158 1133 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
78.481580 |
| Arrival time of shock [seconds of day] |
41608.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
-17.134 |
| Y GSE location of spacecraft [Re] |
-202.812 |
| Z GSE location of spacecraft [Re] |
6.492 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0294 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0302 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.55, 28.41, 29.93 |
Event added to database
|
Mon Feb 14 11:12:52 2005
|
Event last processed
|
Mon Mar 30 20:33:22 2009
|
Method selected
|
MX2
|
Propagation delay to Earth [minutes]
|
-21.208 ± 4.124
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-312.9 ± 2.2 |
-368.4 ± 2.2 |
| Vy GSE [km/s] |
-8.1 ± 2.2 |
-26.6 ± 4.1 |
| Vz GSE [km/s] |
12.7 ± 4.7 |
21.3 ± 5.1 |
| Wi [km/s] |
31.8 ± 1.2 |
34.1 ± 1.1 |
| We [km/s] |
1005.9 ± 36.6 |
1077.4 ± 33.3 |
| Ni [n/cc] |
10.8 ± 0.7 |
17.4 ± 1.3 |
| Bx GSE [nT] |
4.1 ± 0.4 |
7.7 ± 0.7 |
| By GSE [nT] |
-5.2 ± 0.6 |
-9.9 ± 1.5 |
| Bz GSE [nT] |
2.5 ± 1.0 |
8.1 ± 2.5 |
Plasma Beta
|
0.452 ± 0.462
|
0.187 ± 0.185
|
Sound Speed [km/s]
|
41.07 ± 1.49
|
43.98 ± 1.36
|
Alfven Speed [km/s]
|
47.47 ± 2.28
|
79.54 ± 5.12
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.814 ± 0.380 |
0.474 ± 0.600 |
0.335 ± 0.322 |
19.56 ± 31.53 |
149.77 ± 41.71 |
| VC |
-0.938 ± 0.029 |
-0.313 ± 0.073 |
0.147 ± 0.146 |
8.45 ± 6.57 |
198.48 ± 4.47 |
| MX1 |
-0.886 ± 0.063 |
-0.426 ± 0.125 |
0.183 ± 0.181 |
10.53 ± 6.39 |
205.66 ± 8.09 |
| MX2 |
-0.900 ± 0.044 |
-0.382 ± 0.090 |
0.209 ± 0.206 |
12.09 ± 6.64 |
203.02 ± 5.71 |
| MX3 |
-0.906 ± 0.042 |
-0.360 ± 0.085 |
0.223 ± 0.220 |
12.91 ± 6.85 |
201.67 ± 5.34 |
| RH08 |
-0.995 ± 0.001 |
-0.096 ± 0.008 |
0.028 ± 0.028 |
1.60 ± 0.73 |
185.52 ± 0.45 |
| RH09 |
-0.773 ± 0.044 |
-0.290 ± 0.067 |
0.564 ± 0.495 |
34.35 ± 4.00 |
200.56 ± 4.87 |
| RH10 |
-0.794 ± 0.043 |
-0.298 ± 0.067 |
0.531 ± 0.474 |
32.05 ± 4.01 |
200.56 ± 4.78 |
| Average |
-0.876 |
-0.211 |
0.278 |
16.443 |
193.152 |
| Median |
-0.886 |
-0.298 |
0.223 |
12.909 |
200.557 |
| Deviation |
0.076 |
0.294 |
0.187 |
11.493 |
18.535 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
45.9 ± 4.4 |
359.8 ± 33.7 |
1.64 ± 0.16 |
| VC |
75.1 ± 3.4 |
451.4 ± 40.5 |
1.64 ± 0.16 |
| MX1 |
82.3 ± 3.5 |
435.5 ± 38.8 |
1.64 ± 0.16 |
| MX2 |
80.6 ± 3.2 |
440.6 ± 39.3 |
1.64 ± 0.16 |
| MX3 |
79.7 ± 3.0 |
442.3 ± 39.4 |
1.64 ± 0.16 |
| RH08 |
60.7 ± 3.5 |
459.9 ± 41.9 |
1.64 ± 0.16 |
| RH09 |
87.9 ± 1.5 |
391.3 ± 34.7 |
1.64 ± 0.16 |
| RH10 |
86.9 ± 1.4 |
399.4 ± 35.5 |
1.64 ± 0.16 |
| Average |
74.9 |
422.5 |
1.64 |
| Median |
80.6 |
440.6 |
1.64 |
| Deviation |
14.5 |
35.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
104.6 ± 1.5 |
23.3 ± 0.7 |
33.1 ± 1.6 |
58.3 ± 1.9 |
4.50 ± 0.16 |
1.80 ± 0.07 |
| VC |
153.4 ± 1.7 |
8.1 ± 0.2 |
12.2 ± 0.6 |
62.3 ± 2.0 |
19.05 ± 0.68 |
2.47 ± 0.10 |
| MX1 |
152.4 ± 1.7 |
4.2 ± 0.1 |
6.4 ± 0.3 |
62.7 ± 2.0 |
36.64 ± 1.31 |
2.44 ± 0.09 |
| MX2 |
153.2 ± 1.6 |
5.1 ± 0.2 |
7.8 ± 0.4 |
62.6 ± 2.0 |
30.02 ± 1.07 |
2.45 ± 0.09 |
| MX3 |
153.1 ± 1.5 |
5.6 ± 0.2 |
8.5 ± 0.4 |
62.5 ± 2.0 |
27.50 ± 0.97 |
2.45 ± 0.09 |
| RH8 |
147.4 ± 2.1 |
15.7 ± 0.5 |
23.3 ± 1.1 |
60.8 ± 2.0 |
9.40 ± 0.35 |
2.43 ± 0.10 |
| RH9 |
139.9 ± 1.7 |
1.1 ± 0.0 |
1.7 ± 0.1 |
62.8 ± 2.0 |
126.11 ± 4.51 |
2.23 ± 0.08 |
| RH10 |
141.9 ± 1.6 |
1.7 ± 0.1 |
2.5 ± 0.1 |
62.8 ± 2.0 |
85.50 ± 3.04 |
2.26 ± 0.08 |
| Average |
143.2 |
8.1 |
11.9 |
61.8 |
42.3 |
2.3 |
| Median |
152.4 |
5.6 |
8.5 |
62.6 |
30.0 |
2.4 |
| Deviation |
16.5 |
7.6 |
10.9 |
1.6 |
42.0 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
65.4 ± 4.0 |
28.2 ± 0.6 |
55.4 ± 3.6 |
86.5 ± 4.3 |
2.32 ± 0.15 |
0.76 ± 0.08 |
| VC |
94.4 ± 1.7 |
10.0 ± 0.2 |
20.5 ± 1.3 |
90.4 ± 4.1 |
9.48 ± 0.29 |
1.05 ± 0.06 |
| MX1 |
93.8 ± 1.6 |
5.2 ± 0.1 |
10.7 ± 0.7 |
90.8 ± 4.1 |
18.22 ± 0.52 |
1.04 ± 0.05 |
| MX2 |
94.4 ± 1.6 |
6.3 ± 0.1 |
13.0 ± 0.8 |
90.7 ± 4.1 |
14.95 ± 0.42 |
1.04 ± 0.06 |
| MX3 |
94.3 ± 1.6 |
6.9 ± 0.1 |
14.2 ± 0.9 |
90.7 ± 4.1 |
13.68 ± 0.39 |
1.04 ± 0.06 |
| RH8 |
90.3 ± 2.0 |
19.3 ± 0.4 |
39.0 ± 2.5 |
88.9 ± 4.2 |
4.69 ± 0.17 |
1.02 ± 0.06 |
| RH9 |
86.8 ± 2.5 |
1.4 ± 0.0 |
2.8 ± 0.2 |
90.9 ± 4.1 |
63.16 ± 1.98 |
0.96 ± 0.07 |
| RH10 |
87.8 ± 2.4 |
2.1 ± 0.0 |
4.3 ± 0.3 |
90.9 ± 4.1 |
42.71 ± 1.29 |
0.97 ± 0.07 |
| Average |
88.4 |
9.9 |
20.0 |
90.0 |
21.2 |
1.0 |
| Median |
93.8 |
6.9 |
14.2 |
90.7 |
14.9 |
1.0 |
| Deviation |
9.8 |
9.3 |
18.2 |
1.6 |
21.0 |
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)
| 
