Database: Wind Shock Analysis
Event ID: 20022461817
Observation time: 09/03/2002 246.76186 1817 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
246.761858 |
| Arrival time of shock [seconds of day] |
65824.5 ± 310.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
62.192 |
| Y GSE location of spacecraft [Re] |
38.283 |
| Z GSE location of spacecraft [Re] |
4.340 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0217 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0196 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.34, 12.52, 13.05 |
Event added to database
|
Sat Mar 12 23:21:21 2005
|
Event last processed
|
Mon Mar 30 23:48:46 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
16.563 ± 0.742
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-334.2 ± 4.3 |
-376.9 ± 1.8 |
| Vy GSE [km/s] |
23.1 ± 10.7 |
-1.6 ± 2.5 |
| Vz GSE [km/s] |
-36.1 ± 2.6 |
14.8 ± 2.8 |
| Wi [km/s] |
23.1 ± 1.1 |
40.9 ± 1.1 |
| We [km/s] |
729.8 ± 34.6 |
1292.0 ± 35.4 |
| Ni [n/cc] |
7.9 ± 1.0 |
33.5 ± 2.3 |
| Bx GSE [nT] |
-8.6 ± 0.5 |
-6.9 ± 1.2 |
| By GSE [nT] |
2.0 ± 0.8 |
3.3 ± 0.6 |
| Bz GSE [nT] |
14.8 ± 0.4 |
7.9 ± 1.0 |
Plasma Beta
|
0.030 ± 0.027
|
0.960 ± 0.991
|
Sound Speed [km/s]
|
29.79 ± 1.41
|
52.74 ± 1.44
|
Alfven Speed [km/s]
|
134.74 ± 8.24
|
41.91 ± 2.72
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.769 ± 0.348 |
0.639 ± 0.419 |
-0.008 ± 0.008 |
-0.47 ± 7.95 |
140.29 ± 31.23 |
| VC |
-0.612 ± 0.078 |
-0.333 ± 0.112 |
0.717 ± 0.557 |
45.81 ± 4.60 |
208.52 ± 10.20 |
| MX1 |
-0.250 ± 0.119 |
-0.943 ± 0.037 |
-0.217 ± 0.214 |
-12.55 ± 5.31 |
255.13 ± 7.20 |
| MX2 |
-0.756 ± 0.762 |
0.648 ± 0.890 |
0.088 ± 0.088 |
5.05 ± 9.40 |
139.40 ± 67.38 |
| MX3 |
-0.884 ± 0.192 |
-0.397 ± 0.422 |
-0.249 ± 0.244 |
-14.42 ± 7.86 |
204.19 ± 27.38 |
| RH08 |
-0.966 ± 0.004 |
0.093 ± 0.024 |
-0.240 ± 0.235 |
-13.90 ± 0.70 |
174.48 ± 1.39 |
| RH09 |
-0.952 ± 0.021 |
0.160 ± 0.070 |
-0.263 ± 0.256 |
-15.22 ± 3.85 |
170.47 ± 4.23 |
| RH10 |
-0.952 ± 0.021 |
0.160 ± 0.070 |
-0.263 ± 0.256 |
-15.22 ± 3.91 |
170.47 ± 4.22 |
| Average |
-0.768 |
0.003 |
-0.054 |
-2.615 |
182.870 |
| Median |
-0.769 |
0.160 |
-0.217 |
-12.545 |
174.485 |
| Deviation |
0.243 |
0.541 |
0.339 |
21.014 |
38.571 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
63.3 ± 2.4 |
293.8 ± 3.0 |
4.46 ± 0.47 |
| VC |
28.0 ± 2.3 |
263.3 ± 2.0 |
4.46 ± 0.47 |
| MX1 |
80.3 ± 2.3 |
99.6 ± 4.9 |
4.46 ± 0.47 |
| MX2 |
58.2 ± 2.5 |
291.6 ± 3.1 |
4.46 ± 0.47 |
| MX3 |
79.6 ± 1.8 |
340.1 ± 4.2 |
4.46 ± 0.47 |
| RH08 |
73.4 ± 1.9 |
368.0 ± 3.2 |
4.46 ± 0.47 |
| RH09 |
74.5 ± 1.9 |
361.0 ± 3.2 |
4.46 ± 0.47 |
| RH10 |
74.5 ± 1.9 |
361.0 ± 3.2 |
4.46 ± 0.47 |
| Average |
66.5 |
297.3 |
4.46 |
| Median |
74.5 |
340.1 |
4.46 |
| Deviation |
17.3 |
88.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
21.7 ± 4.7 |
13.1 ± 0.6 |
60.5 ± 3.7 |
137.4 ± 8.0 |
1.65 ± 0.32 |
0.16 ± 0.04 |
| VC |
92.2 ± 7.4 |
26.2 ± 1.2 |
119.0 ± 7.3 |
135.5 ± 8.2 |
3.54 ± 0.39 |
0.68 ± 0.03 |
| MX1 |
29.9 ± 10.7 |
4.9 ± 0.2 |
22.8 ± 1.4 |
137.9 ± 7.9 |
6.14 ± 2.35 |
0.21 ± 0.07 |
| MX2 |
27.0 ± 4.7 |
15.4 ± 0.7 |
70.9 ± 4.3 |
137.1 ± 8.0 |
1.75 ± 0.26 |
0.20 ± 0.04 |
| MX3 |
45.0 ± 7.2 |
5.3 ± 0.2 |
24.4 ± 1.5 |
137.9 ± 7.9 |
8.58 ± 1.61 |
0.33 ± 0.04 |
| RH8 |
34.3 ± 2.9 |
8.3 ± 0.4 |
38.5 ± 2.4 |
137.8 ± 7.9 |
4.13 ± 0.45 |
0.25 ± 0.01 |
| RH9 |
29.8 ± 2.4 |
7.8 ± 0.3 |
36.0 ± 2.2 |
137.8 ± 7.9 |
3.84 ± 0.39 |
0.22 ± 0.01 |
| RH10 |
29.8 ± 2.4 |
7.8 ± 0.3 |
36.0 ± 2.2 |
137.8 ± 7.9 |
3.84 ± 0.39 |
0.22 ± 0.01 |
| Average |
38.7 |
11.1 |
51.0 |
137.4 |
4.2 |
0.3 |
| Median |
29.9 |
8.3 |
38.5 |
137.8 |
3.8 |
0.2 |
| Deviation |
22.6 |
7.1 |
32.1 |
0.8 |
2.3 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
5.0 ± 1.7 |
15.1 ± 0.6 |
18.8 ± 1.2 |
65.7 ± 2.1 |
0.33 ± 0.10 |
0.08 ± 0.02 |
| VC |
21.4 ± 0.7 |
33.3 ± 1.6 |
37.0 ± 2.4 |
58.6 ± 1.7 |
0.64 ± 0.03 |
0.36 ± 0.01 |
| MX1 |
7.0 ± 3.0 |
5.6 ± 0.2 |
7.1 ± 0.5 |
67.2 ± 2.2 |
1.27 ± 0.60 |
0.10 ± 0.05 |
| MX2 |
6.2 ± 1.6 |
17.9 ± 0.8 |
22.1 ± 1.4 |
65.0 ± 2.1 |
0.35 ± 0.08 |
0.10 ± 0.02 |
| MX3 |
10.2 ± 2.8 |
6.0 ± 0.3 |
7.6 ± 0.5 |
67.1 ± 2.2 |
1.72 ± 0.54 |
0.15 ± 0.05 |
| RH8 |
7.5 ± 2.3 |
9.5 ± 0.4 |
12.0 ± 0.8 |
66.7 ± 2.2 |
0.80 ± 0.26 |
0.11 ± 0.04 |
| RH9 |
6.5 ± 2.2 |
8.8 ± 0.4 |
11.2 ± 0.7 |
66.8 ± 2.2 |
0.74 ± 0.27 |
0.10 ± 0.04 |
| RH10 |
6.5 ± 2.2 |
8.8 ± 0.4 |
11.2 ± 0.7 |
66.8 ± 2.2 |
0.74 ± 0.27 |
0.10 ± 0.04 |
| Average |
8.8 |
13.1 |
15.9 |
65.5 |
0.8 |
0.1 |
| Median |
7.0 |
9.5 |
12.0 |
66.8 |
0.7 |
0.1 |
| Deviation |
5.3 |
9.2 |
10.0 |
2.9 |
0.5 |
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)
| 
