Database: Wind Shock Analysis
Event ID: 20021981555
Observation time: 07/17/2002 198.66366 1555 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
198.663663 |
| Arrival time of shock [seconds of day] |
57340.5 ± 9.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
-16.854 |
| Y GSE location of spacecraft [Re] |
72.479 |
| Z GSE location of spacecraft [Re] |
3.993 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0301 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0378 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.65, 5.74, 5.89 |
Event added to database
|
Mon Feb 14 11:20:01 2005
|
Event last processed
|
Mon Mar 30 23:18:28 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
2.347 ± 0.319
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-400.2 ± 2.8 |
-467.9 ± 20.9 |
| Vy GSE [km/s] |
19.0 ± 7.3 |
-66.0 ± 22.3 |
| Vz GSE [km/s] |
12.3 ± 5.1 |
-29.7 ± 15.4 |
| Wi [km/s] |
41.7 ± 3.9 |
81.9 ± 20.4 |
| We [km/s] |
1319.2 ± 122.1 |
2590.5 ± 644.2 |
| Ni [n/cc] |
5.5 ± 0.4 |
16.6 ± 3.5 |
| Bx GSE [nT] |
-5.1 ± 0.5 |
-10.7 ± 3.8 |
| By GSE [nT] |
0.2 ± 1.2 |
3.8 ± 6.3 |
| Bz GSE [nT] |
-2.4 ± 1.0 |
-6.3 ± 2.7 |
Plasma Beta
|
0.600 ± 0.572
|
1.534 ± 0.916
|
Sound Speed [km/s]
|
53.86 ± 4.98
|
105.76 ± 26.30
|
Alfven Speed [km/s]
|
54.20 ± 1.73
|
80.86 ± 21.07
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.836 ± 0.288 |
-0.511 ± 0.454 |
-0.201 ± 0.198 |
-11.58 ± 26.72 |
211.47 ± 30.98 |
| VC |
-0.588 ± 0.170 |
-0.729 ± 0.139 |
-0.350 ± 0.335 |
-20.52 ± 6.90 |
231.09 ± 13.17 |
| MX1 |
-0.732 ± 0.372 |
-0.589 ± 0.459 |
-0.341 ± 0.327 |
-19.96 ± 11.97 |
218.84 ± 35.78 |
| MX2 |
-0.690 ± 0.246 |
-0.694 ± 0.245 |
-0.206 ± 0.203 |
-11.87 ± 16.70 |
225.14 ± 20.04 |
| MX3 |
-0.712 ± 0.269 |
-0.661 ± 0.289 |
-0.238 ± 0.233 |
-13.74 ± 13.98 |
222.89 ± 23.01 |
| RH08 |
-0.916 ± 0.009 |
-0.362 ± 0.021 |
-0.173 ± 0.171 |
-9.97 ± 1.16 |
201.56 ± 1.34 |
| RH09 |
-0.897 ± 0.031 |
-0.391 ± 0.065 |
-0.207 ± 0.204 |
-11.93 ± 3.97 |
203.57 ± 4.16 |
| RH10 |
-0.899 ± 0.031 |
-0.392 ± 0.066 |
-0.196 ± 0.193 |
-11.28 ± 3.96 |
203.57 ± 4.16 |
| Average |
-0.784 |
-0.541 |
-0.239 |
-13.856 |
214.766 |
| Median |
-0.732 |
-0.511 |
-0.206 |
-11.869 |
218.841 |
| Deviation |
0.120 |
0.148 |
0.068 |
4.074 |
11.294 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
35.5 ± 10.9 |
483.2 ± 21.2 |
3.14 ± 0.74 |
| VC |
49.1 ± 12.2 |
395.3 ± 30.8 |
3.14 ± 0.74 |
| MX1 |
38.6 ± 12.0 |
446.8 ± 25.7 |
3.14 ± 0.74 |
| MX2 |
46.8 ± 11.8 |
436.1 ± 26.5 |
3.14 ± 0.74 |
| MX3 |
44.1 ± 11.8 |
443.6 ± 26.0 |
3.14 ± 0.74 |
| RH08 |
28.9 ± 9.9 |
505.0 ± 18.5 |
3.14 ± 0.74 |
| RH09 |
29.3 ± 10.0 |
500.6 ± 19.1 |
3.14 ± 0.74 |
| RH10 |
29.6 ± 10.0 |
501.1 ± 19.0 |
3.14 ± 0.74 |
| Average |
37.7 |
464.0 |
3.14 |
| Median |
38.6 |
483.2 |
3.14 |
| Deviation |
8.2 |
39.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
161.1 ± 3.9 |
34.8 ± 1.4 |
44.1 ± 1.4 |
68.1 ± 3.3 |
4.63 ± 0.21 |
2.37 ± 0.13 |
| VC |
178.1 ± 5.9 |
26.6 ± 1.1 |
35.5 ± 1.1 |
71.7 ± 3.4 |
6.71 ± 0.35 |
2.49 ± 0.15 |
| MX1 |
169.3 ± 4.8 |
33.0 ± 1.3 |
42.4 ± 1.4 |
69.0 ± 3.4 |
5.14 ± 0.24 |
2.46 ± 0.14 |
| MX2 |
175.6 ± 5.2 |
28.0 ± 1.1 |
37.1 ± 1.2 |
71.2 ± 3.4 |
6.27 ± 0.32 |
2.47 ± 0.14 |
| MX3 |
174.3 ± 5.0 |
29.7 ± 1.2 |
38.9 ± 1.2 |
70.5 ± 3.4 |
5.88 ± 0.29 |
2.48 ± 0.14 |
| RH8 |
147.5 ± 3.0 |
38.6 ± 1.5 |
47.5 ± 1.5 |
66.0 ± 3.3 |
3.82 ± 0.16 |
2.24 ± 0.11 |
| RH9 |
151.7 ± 3.2 |
38.4 ± 1.5 |
47.3 ± 1.5 |
66.2 ± 3.3 |
3.96 ± 0.17 |
2.30 ± 0.12 |
| RH10 |
151.3 ± 3.2 |
38.2 ± 1.5 |
47.1 ± 1.5 |
66.3 ± 3.3 |
3.96 ± 0.17 |
2.29 ± 0.12 |
| Average |
163.6 |
33.4 |
42.5 |
68.6 |
5.0 |
2.4 |
| Median |
169.3 |
34.8 |
44.1 |
69.0 |
5.1 |
2.5 |
| Deviation |
12.3 |
4.9 |
4.8 |
2.3 |
1.1 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
52.6 ± 18.0 |
52.9 ± 6.6 |
65.9 ± 17.2 |
125.5 ± 12.9 |
1.01 ± 0.37 |
0.43 ± 0.16 |
| VC |
61.5 ± 18.8 |
40.9 ± 4.7 |
52.9 ± 13.8 |
130.0 ± 12.1 |
1.54 ± 0.57 |
0.48 ± 0.15 |
| MX1 |
55.2 ± 17.9 |
50.3 ± 6.2 |
63.2 ± 16.5 |
126.6 ± 12.7 |
1.12 ± 0.41 |
0.45 ± 0.15 |
| MX2 |
61.2 ± 18.3 |
43.1 ± 5.0 |
55.4 ± 14.4 |
129.3 ± 12.2 |
1.45 ± 0.51 |
0.48 ± 0.15 |
| MX3 |
59.9 ± 18.2 |
45.5 ± 5.3 |
58.1 ± 15.1 |
128.5 ± 12.3 |
1.34 ± 0.48 |
0.48 ± 0.15 |
| RH8 |
47.4 ± 18.3 |
58.1 ± 7.8 |
70.8 ± 18.5 |
123.0 ± 13.6 |
0.82 ± 0.32 |
0.40 ± 0.17 |
| RH9 |
49.0 ± 18.1 |
57.8 ± 7.7 |
70.5 ± 18.4 |
123.2 ± 13.5 |
0.86 ± 0.32 |
0.41 ± 0.17 |
| RH10 |
48.8 ± 18.1 |
57.6 ± 7.6 |
70.3 ± 18.3 |
123.3 ± 13.5 |
0.86 ± 0.32 |
0.41 ± 0.17 |
| Average |
54.5 |
50.8 |
63.4 |
126.2 |
1.1 |
0.4 |
| Median |
55.2 |
52.9 |
65.9 |
126.6 |
1.1 |
0.4 |
| Deviation |
5.9 |
6.9 |
7.2 |
2.9 |
0.3 |
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)
| 
