Database: Wind Shock Analysis
Event ID: 20022730754
Observation time: 09/30/2002 273.32946 0754 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
273.329462 |
| Arrival time of shock [seconds of day] |
28465.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
90.234 |
| Y GSE location of spacecraft [Re] |
35.676 |
| Z GSE location of spacecraft [Re] |
5.300 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0189 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0205 |
| Minimum chisq/dof for RH8,RH9,RH10 |
16.03, 19.47, 20.68 |
Event added to database
|
Sat Mar 12 23:26:20 2005
|
Event last processed
|
Mon Mar 30 23:51:57 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
23.577 ± 3.376
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-290.6 ± 1.3 |
-335.0 ± 2.1 |
| Vy GSE [km/s] |
-41.8 ± 1.7 |
-37.4 ± 2.5 |
| Vz GSE [km/s] |
6.3 ± 2.0 |
-14.8 ± 4.4 |
| Wi [km/s] |
27.0 ± 0.5 |
34.7 ± 0.8 |
| We [km/s] |
854.7 ± 14.6 |
1097.8 ± 25.2 |
| Ni [n/cc] |
19.3 ± 0.9 |
41.3 ± 2.3 |
| Bx GSE [nT] |
-5.9 ± 0.2 |
-1.2 ± 1.4 |
| By GSE [nT] |
9.0 ± 0.6 |
20.7 ± 0.3 |
| Bz GSE [nT] |
8.0 ± 0.8 |
5.0 ± 2.6 |
Plasma Beta
|
0.164 ± 0.165
|
0.229 ± 0.230
|
Sound Speed [km/s]
|
34.89 ± 0.60
|
44.82 ± 1.03
|
Alfven Speed [km/s]
|
66.71 ± 1.37
|
72.99 ± 4.00
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.608 ± 0.103 |
0.413 ± 0.146 |
0.678 ± 0.548 |
42.70 ± 3.17 |
145.78 ± 13.66 |
| VC |
-0.901 ± 0.040 |
0.087 ± 0.053 |
-0.426 ± 0.398 |
-25.22 ± 5.39 |
174.49 ± 3.35 |
| MX1 |
-0.919 ± 0.064 |
0.391 ± 0.147 |
-0.057 ± 0.057 |
-3.26 ± 16.60 |
156.95 ± 9.18 |
| MX2 |
-0.889 ± 0.036 |
0.269 ± 0.070 |
-0.371 ± 0.353 |
-21.75 ± 4.76 |
163.17 ± 4.48 |
| MX3 |
-0.856 ± 0.035 |
0.234 ± 0.069 |
-0.462 ± 0.426 |
-27.51 ± 3.82 |
164.72 ± 4.60 |
| RH08 |
-0.841 ± 0.012 |
0.187 ± 0.003 |
-0.508 ± 0.459 |
-30.56 ± 1.39 |
167.47 ± 0.00 |
| RH09 |
-0.853 ± 0.037 |
0.190 ± 0.045 |
-0.486 ± 0.444 |
-29.08 ± 4.35 |
167.47 ± 2.99 |
| RH10 |
-0.853 ± 0.037 |
0.190 ± 0.053 |
-0.486 ± 0.444 |
-29.08 ± 4.29 |
167.47 ± 3.52 |
| Average |
-0.840 |
0.245 |
-0.265 |
-15.470 |
163.438 |
| Median |
-0.853 |
0.234 |
-0.426 |
-25.217 |
167.465 |
| Deviation |
0.098 |
0.110 |
0.408 |
25.101 |
8.672 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
18.6 ± 2.8 |
190.2 ± 7.0 |
2.14 ± 0.07 |
| VC |
78.3 ± 1.6 |
349.6 ± 6.3 |
2.14 ± 0.07 |
| MX1 |
50.7 ± 1.8 |
333.8 ± 4.9 |
2.14 ± 0.07 |
| MX2 |
69.4 ± 2.0 |
338.1 ± 6.0 |
2.14 ± 0.07 |
| MX3 |
74.9 ± 2.1 |
329.6 ± 6.5 |
2.14 ± 0.07 |
| RH08 |
78.8 ± 2.1 |
326.5 ± 6.8 |
2.14 ± 0.07 |
| RH09 |
77.6 ± 2.1 |
330.5 ± 6.7 |
2.14 ± 0.07 |
| RH10 |
77.6 ± 2.1 |
330.5 ± 6.7 |
2.14 ± 0.07 |
| Average |
65.7 |
316.1 |
2.14 |
| Median |
77.6 |
330.5 |
2.14 |
| Deviation |
21.2 |
51.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
26.6 ± 1.1 |
32.5 ± 0.5 |
63.2 ± 1.3 |
67.9 ± 1.4 |
0.82 ± 0.04 |
0.39 ± 0.02 |
| VC |
94.1 ± 1.6 |
6.3 ± 0.1 |
13.5 ± 0.3 |
75.0 ± 1.4 |
15.00 ± 0.41 |
1.25 ± 0.03 |
| MX1 |
83.5 ± 1.5 |
20.3 ± 0.3 |
42.3 ± 0.9 |
72.5 ± 1.4 |
4.11 ± 0.12 |
1.15 ± 0.03 |
| MX2 |
93.3 ± 1.7 |
11.0 ± 0.2 |
23.5 ± 0.5 |
74.5 ± 1.4 |
8.48 ± 0.24 |
1.25 ± 0.04 |
| MX3 |
93.6 ± 1.8 |
8.1 ± 0.1 |
17.3 ± 0.4 |
74.9 ± 1.4 |
11.58 ± 0.33 |
1.25 ± 0.04 |
| RH8 |
93.2 ± 1.8 |
6.0 ± 0.1 |
13.0 ± 0.3 |
75.0 ± 1.4 |
15.47 ± 0.44 |
1.24 ± 0.04 |
| RH9 |
93.6 ± 1.8 |
6.7 ± 0.1 |
14.3 ± 0.3 |
75.0 ± 1.4 |
14.03 ± 0.40 |
1.25 ± 0.04 |
| RH10 |
93.6 ± 1.8 |
6.7 ± 0.1 |
14.3 ± 0.3 |
75.0 ± 1.4 |
14.03 ± 0.40 |
1.25 ± 0.04 |
| Average |
83.9 |
12.2 |
25.2 |
73.7 |
10.4 |
1.1 |
| Median |
93.6 |
8.1 |
17.3 |
75.0 |
14.0 |
1.2 |
| Deviation |
23.4 |
9.5 |
18.2 |
2.5 |
5.5 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
12.2 ± 4.6 |
41.3 ± 0.8 |
69.2 ± 3.8 |
75.0 ± 3.7 |
0.29 ± 0.11 |
0.16 ± 0.05 |
| VC |
44.8 ± 1.5 |
7.7 ± 0.1 |
14.8 ± 0.8 |
85.3 ± 3.1 |
5.79 ± 0.19 |
0.53 ± 0.03 |
| MX1 |
39.8 ± 2.6 |
25.3 ± 0.3 |
46.2 ± 2.5 |
81.9 ± 3.2 |
1.57 ± 0.09 |
0.49 ± 0.03 |
| MX2 |
44.9 ± 1.8 |
13.6 ± 0.2 |
25.7 ± 1.4 |
84.6 ± 3.1 |
3.30 ± 0.12 |
0.53 ± 0.03 |
| MX3 |
44.9 ± 1.8 |
10.0 ± 0.1 |
19.0 ± 1.0 |
85.1 ± 3.1 |
4.50 ± 0.17 |
0.53 ± 0.03 |
| RH8 |
44.4 ± 1.8 |
7.4 ± 0.1 |
14.2 ± 0.8 |
85.4 ± 3.1 |
5.97 ± 0.24 |
0.52 ± 0.03 |
| RH9 |
44.7 ± 1.7 |
8.2 ± 0.1 |
15.7 ± 0.9 |
85.3 ± 3.1 |
5.42 ± 0.21 |
0.52 ± 0.03 |
| RH10 |
44.7 ± 1.7 |
8.2 ± 0.1 |
15.7 ± 0.9 |
85.3 ± 3.1 |
5.42 ± 0.21 |
0.52 ± 0.03 |
| Average |
40.0 |
15.2 |
27.6 |
83.5 |
4.0 |
0.5 |
| Median |
44.7 |
10.0 |
19.0 |
85.3 |
5.4 |
0.5 |
| Deviation |
11.4 |
12.1 |
19.9 |
3.6 |
2.1 |
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)
| 
