Database: Wind Shock Analysis
Event ID: 20021412114
Observation time: 05/21/2002 141.88491 2114 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
141.884913 |
| Arrival time of shock [seconds of day] |
76456.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
14.892 |
| Y GSE location of spacecraft [Re] |
320.032 |
| Z GSE location of spacecraft [Re] |
22.620 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0196 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0217 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.34, 8.91, 10.15 |
Event added to database
|
Mon Feb 14 11:19:30 2005
|
Event last processed
|
Mon Mar 30 23:09:48 2009
|
Method selected
|
RH09
|
Propagation delay to Earth [minutes]
|
60.881 ± 17.991
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-368.8 ± 1.0 |
-401.6 ± 5.5 |
| Vy GSE [km/s] |
12.5 ± 1.6 |
-7.7 ± 2.8 |
| Vz GSE [km/s] |
-25.2 ± 0.9 |
-19.2 ± 2.5 |
| Wi [km/s] |
21.8 ± 0.5 |
26.1 ± 1.1 |
| We [km/s] |
689.9 ± 15.1 |
824.1 ± 36.0 |
| Ni [n/cc] |
8.5 ± 0.4 |
18.4 ± 1.3 |
| Bx GSE [nT] |
-2.5 ± 0.2 |
-0.4 ± 1.4 |
| By GSE [nT] |
1.4 ± 0.3 |
3.7 ± 0.7 |
| Bz GSE [nT] |
3.2 ± 0.3 |
7.0 ± 0.8 |
Plasma Beta
|
0.458 ± 0.456
|
0.401 ± 0.410
|
Sound Speed [km/s]
|
28.16 ± 0.62
|
33.64 ± 1.47
|
Alfven Speed [km/s]
|
32.35 ± 1.37
|
41.22 ± 0.89
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.884 ± 0.065 |
0.048 ± 0.232 |
0.464 ± 0.428 |
27.65 ± 7.94 |
176.92 ± 15.01 |
| VC |
-0.836 ± 0.069 |
-0.526 ± 0.109 |
0.158 ± 0.157 |
9.09 ± 4.26 |
212.16 ± 7.45 |
| MX1 |
-0.830 ± 0.055 |
-0.122 ± 0.184 |
0.544 ± 0.483 |
32.97 ± 5.12 |
188.36 ± 12.66 |
| MX2 |
-0.778 ± 0.063 |
-0.250 ± 0.098 |
0.577 ± 0.502 |
35.25 ± 5.75 |
197.81 ± 7.10 |
| MX3 |
-0.733 ± 0.066 |
-0.337 ± 0.089 |
0.591 ± 0.510 |
36.23 ± 5.67 |
204.69 ± 6.72 |
| RH08 |
-0.561 ± 0.023 |
-0.535 ± 0.024 |
0.631 ± 0.530 |
39.14 ± 0.62 |
223.62 ± 2.40 |
| RH09 |
-0.589 ± 0.054 |
-0.505 ± 0.060 |
0.631 ± 0.530 |
39.14 ± 2.82 |
220.61 ± 5.54 |
| RH10 |
-0.630 ± 0.053 |
-0.468 ± 0.063 |
0.620 ± 0.525 |
38.32 ± 3.62 |
216.60 ± 5.28 |
| Average |
-0.730 |
-0.337 |
0.527 |
32.226 |
205.097 |
| Median |
-0.733 |
-0.337 |
0.591 |
36.231 |
212.159 |
| Deviation |
0.123 |
0.214 |
0.159 |
10.107 |
16.446 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
29.6 ± 4.0 |
369.6 ± 7.1 |
2.15 ± 0.15 |
| VC |
64.7 ± 3.4 |
369.6 ± 4.9 |
2.15 ± 0.15 |
| MX1 |
32.5 ± 3.5 |
350.2 ± 6.1 |
2.15 ± 0.15 |
| MX2 |
37.1 ± 3.3 |
331.0 ± 5.4 |
2.15 ± 0.15 |
| MX3 |
41.0 ± 3.4 |
314.6 ± 5.0 |
2.15 ± 0.15 |
| RH08 |
51.4 ± 3.7 |
246.0 ± 4.5 |
2.15 ± 0.15 |
| RH09 |
49.5 ± 3.6 |
257.3 ± 4.5 |
2.15 ± 0.15 |
| RH10 |
47.5 ± 3.5 |
273.9 ± 4.6 |
2.15 ± 0.15 |
| Average |
44.2 |
314.0 |
2.15 |
| Median |
47.5 |
331.0 |
2.15 |
| Deviation |
11.5 |
49.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
54.5 ± 0.9 |
21.2 ± 0.4 |
28.1 ± 1.2 |
37.3 ± 0.9 |
2.57 ± 0.06 |
1.46 ± 0.05 |
| VC |
71.9 ± 0.7 |
9.3 ± 0.2 |
13.8 ± 0.6 |
41.9 ± 0.9 |
7.74 ± 0.19 |
1.72 ± 0.05 |
| MX1 |
59.4 ± 0.7 |
20.3 ± 0.3 |
27.3 ± 1.2 |
37.8 ± 0.9 |
2.92 ± 0.07 |
1.57 ± 0.05 |
| MX2 |
61.9 ± 0.7 |
18.8 ± 0.3 |
25.8 ± 1.1 |
38.6 ± 0.9 |
3.29 ± 0.08 |
1.61 ± 0.05 |
| MX3 |
63.4 ± 0.8 |
17.5 ± 0.3 |
24.4 ± 1.0 |
39.2 ± 0.9 |
3.62 ± 0.09 |
1.62 ± 0.05 |
| RH8 |
61.6 ± 1.0 |
14.0 ± 0.2 |
20.2 ± 0.9 |
40.6 ± 0.9 |
4.40 ± 0.13 |
1.52 ± 0.05 |
| RH9 |
62.4 ± 0.9 |
14.7 ± 0.3 |
21.0 ± 0.9 |
40.3 ± 0.9 |
4.26 ± 0.12 |
1.55 ± 0.05 |
| RH10 |
63.2 ± 0.9 |
15.4 ± 0.3 |
21.9 ± 0.9 |
40.1 ± 0.9 |
4.11 ± 0.12 |
1.58 ± 0.05 |
| Average |
62.3 |
16.4 |
22.8 |
39.5 |
4.1 |
1.6 |
| Median |
62.4 |
17.5 |
24.4 |
40.1 |
4.1 |
1.6 |
| Deviation |
4.8 |
3.9 |
4.7 |
1.5 |
1.6 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
23.7 ± 4.4 |
25.9 ± 0.8 |
35.8 ± 0.8 |
46.5 ± 0.8 |
0.92 ± 0.18 |
0.51 ± 0.10 |
| VC |
32.9 ± 3.3 |
11.4 ± 0.3 |
17.6 ± 0.4 |
52.0 ± 0.9 |
2.89 ± 0.32 |
0.63 ± 0.07 |
| MX1 |
26.4 ± 3.6 |
24.8 ± 0.7 |
34.8 ± 0.8 |
47.1 ± 0.8 |
1.07 ± 0.16 |
0.56 ± 0.08 |
| MX2 |
27.9 ± 3.0 |
23.0 ± 0.7 |
32.9 ± 0.7 |
48.0 ± 0.8 |
1.21 ± 0.15 |
0.58 ± 0.07 |
| MX3 |
29.0 ± 2.6 |
21.5 ± 0.6 |
31.1 ± 0.7 |
48.7 ± 0.8 |
1.35 ± 0.14 |
0.60 ± 0.06 |
| RH8 |
28.6 ± 1.6 |
17.2 ± 0.5 |
25.7 ± 0.6 |
50.4 ± 0.9 |
1.67 ± 0.10 |
0.57 ± 0.03 |
| RH9 |
29.1 ± 1.7 |
17.9 ± 0.5 |
26.7 ± 0.6 |
50.1 ± 0.9 |
1.62 ± 0.11 |
0.58 ± 0.04 |
| RH10 |
29.3 ± 1.9 |
18.8 ± 0.5 |
27.9 ± 0.6 |
49.8 ± 0.9 |
1.56 ± 0.12 |
0.59 ± 0.04 |
| Average |
28.3 |
20.1 |
29.1 |
49.1 |
1.5 |
0.6 |
| Median |
29.0 |
21.5 |
31.1 |
49.8 |
1.6 |
0.6 |
| Deviation |
2.6 |
4.7 |
5.9 |
1.8 |
0.6 |
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)
| 
