Database: Wind Shock Analysis
Event ID: 20012241109
Observation time: 08/12/2001 224.46484 1109 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
224.464844 |
| Arrival time of shock [seconds of day] |
40162.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
42.550 |
| Y GSE location of spacecraft [Re] |
288.393 |
| Z GSE location of spacecraft [Re] |
18.420 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0246 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0332 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.91, 15.57, 15.85 |
Event added to database
|
Mon Feb 14 11:14:38 2005
|
Event last processed
|
Mon Mar 30 21:20:54 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
7.027 ± 2.015
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-321.9 ± 2.7 |
-384.4 ± 3.7 |
| Vy GSE [km/s] |
1.1 ± 3.4 |
-12.6 ± 4.8 |
| Vz GSE [km/s] |
-1.0 ± 2.0 |
28.3 ± 3.4 |
| Wi [km/s] |
26.3 ± 1.8 |
34.3 ± 2.0 |
| We [km/s] |
831.1 ± 58.3 |
1083.1 ± 63.7 |
| Ni [n/cc] |
9.9 ± 0.3 |
24.1 ± 2.3 |
| Bx GSE [nT] |
3.2 ± 0.4 |
3.2 ± 1.1 |
| By GSE [nT] |
-3.5 ± 0.4 |
-8.8 ± 1.9 |
| Bz GSE [nT] |
1.3 ± 0.6 |
5.5 ± 1.8 |
Plasma Beta
|
0.588 ± 0.542
|
0.480 ± 0.516
|
Sound Speed [km/s]
|
33.93 ± 2.38
|
44.22 ± 2.60
|
Alfven Speed [km/s]
|
34.45 ± 1.16
|
49.77 ± 2.51
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.938 ± 0.104 |
0.313 ± 0.294 |
0.149 ± 0.148 |
8.55 ± 14.43 |
161.56 ± 17.97 |
| VC |
-0.889 ± 0.024 |
-0.193 ± 0.072 |
0.415 ± 0.390 |
24.53 ± 2.54 |
192.24 ± 4.64 |
| MX1 |
-0.965 ± 0.025 |
0.174 ± 0.107 |
0.197 ± 0.195 |
11.37 ± 4.56 |
169.77 ± 6.36 |
| MX2 |
-0.968 ± 0.021 |
0.143 ± 0.110 |
0.207 ± 0.204 |
11.94 ± 3.72 |
171.59 ± 6.52 |
| MX3 |
-0.968 ± 0.024 |
0.127 ± 0.126 |
0.215 ± 0.211 |
12.39 ± 4.72 |
172.53 ± 7.47 |
| RH08 |
-0.958 ± 0.003 |
0.025 ± 0.017 |
0.285 ± 0.277 |
16.55 ± 0.64 |
178.50 ± 1.04 |
| RH09 |
-0.930 ± 0.024 |
0.367 ± 0.060 |
-0.006 ± 0.006 |
-0.32 ± 3.99 |
158.44 ± 3.70 |
| RH10 |
-0.930 ± 0.024 |
0.367 ± 0.061 |
-0.006 ± 0.006 |
-0.32 ± 4.00 |
158.44 ± 3.74 |
| Average |
-0.943 |
0.166 |
0.182 |
10.588 |
170.383 |
| Median |
-0.938 |
0.174 |
0.207 |
11.938 |
171.591 |
| Deviation |
0.027 |
0.190 |
0.141 |
8.263 |
11.421 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
37.5 ± 7.9 |
402.3 ± 3.6 |
2.36 ± 0.13 |
| VC |
70.5 ± 7.9 |
406.1 ± 3.2 |
2.36 ± 0.13 |
| MX1 |
45.5 ± 7.8 |
419.1 ± 3.2 |
2.36 ± 0.13 |
| MX2 |
47.3 ± 7.8 |
421.8 ± 3.1 |
2.36 ± 0.13 |
| MX3 |
48.3 ± 7.8 |
422.9 ± 3.1 |
2.36 ± 0.13 |
| RH08 |
55.4 ± 7.8 |
424.3 ± 3.0 |
2.36 ± 0.13 |
| RH09 |
29.8 ± 7.7 |
389.7 ± 3.4 |
2.36 ± 0.13 |
| RH10 |
29.8 ± 7.7 |
389.7 ± 3.4 |
2.36 ± 0.13 |
| Average |
45.5 |
409.5 |
2.36 |
| Median |
47.3 |
419.1 |
2.36 |
| Deviation |
13.6 |
14.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
100.1 ± 1.8 |
21.3 ± 0.6 |
27.3 ± 0.9 |
43.4 ± 1.4 |
4.70 ± 0.09 |
2.30 ± 0.05 |
| VC |
120.6 ± 3.6 |
8.2 ± 0.2 |
11.5 ± 0.4 |
47.7 ± 1.5 |
14.73 ± 0.37 |
2.53 ± 0.07 |
| MX1 |
108.6 ± 2.4 |
18.2 ± 0.5 |
24.1 ± 0.8 |
44.8 ± 1.4 |
5.96 ± 0.12 |
2.42 ± 0.06 |
| MX2 |
110.3 ± 2.5 |
17.5 ± 0.5 |
23.4 ± 0.8 |
45.1 ± 1.4 |
6.29 ± 0.13 |
2.45 ± 0.06 |
| MX3 |
111.2 ± 2.5 |
17.1 ± 0.5 |
22.9 ± 0.8 |
45.3 ± 1.4 |
6.49 ± 0.14 |
2.46 ± 0.06 |
| RH8 |
116.1 ± 2.9 |
14.3 ± 0.4 |
19.6 ± 0.7 |
46.2 ± 1.5 |
8.10 ± 0.18 |
2.51 ± 0.06 |
| RH9 |
89.9 ± 1.6 |
24.1 ± 0.7 |
29.9 ± 1.0 |
42.0 ± 1.4 |
3.73 ± 0.08 |
2.14 ± 0.05 |
| RH10 |
89.9 ± 1.6 |
24.1 ± 0.7 |
29.9 ± 1.0 |
42.0 ± 1.4 |
3.73 ± 0.08 |
2.14 ± 0.05 |
| Average |
105.8 |
18.1 |
23.6 |
44.6 |
6.7 |
2.4 |
| Median |
110.3 |
18.2 |
24.1 |
45.1 |
6.3 |
2.4 |
| Deviation |
11.5 |
5.3 |
6.0 |
2.0 |
3.6 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
41.4 ± 3.8 |
29.1 ± 1.1 |
39.5 ± 2.0 |
60.0 ± 1.8 |
1.43 ± 0.17 |
0.69 ± 0.07 |
| VC |
50.2 ± 4.3 |
11.2 ± 0.4 |
16.6 ± 0.8 |
65.7 ± 2.0 |
4.50 ± 0.47 |
0.77 ± 0.07 |
| MX1 |
44.9 ± 3.9 |
24.9 ± 0.9 |
34.9 ± 1.8 |
61.8 ± 1.8 |
1.81 ± 0.20 |
0.73 ± 0.07 |
| MX2 |
45.8 ± 3.9 |
24.0 ± 0.9 |
33.7 ± 1.7 |
62.2 ± 1.8 |
1.92 ± 0.21 |
0.74 ± 0.07 |
| MX3 |
46.2 ± 4.0 |
23.4 ± 0.9 |
33.1 ± 1.7 |
62.4 ± 1.9 |
1.98 ± 0.22 |
0.74 ± 0.07 |
| RH8 |
48.2 ± 4.1 |
19.6 ± 0.7 |
28.3 ± 1.4 |
63.7 ± 1.9 |
2.47 ± 0.27 |
0.76 ± 0.07 |
| RH9 |
37.0 ± 3.4 |
32.9 ± 1.3 |
43.2 ± 2.2 |
57.9 ± 1.7 |
1.13 ± 0.14 |
0.64 ± 0.06 |
| RH10 |
37.0 ± 3.4 |
32.9 ± 1.3 |
43.2 ± 2.2 |
57.9 ± 1.7 |
1.13 ± 0.14 |
0.64 ± 0.06 |
| Average |
43.8 |
24.7 |
34.1 |
61.4 |
2.0 |
0.7 |
| Median |
45.8 |
24.9 |
34.9 |
62.2 |
1.9 |
0.7 |
| Deviation |
4.9 |
7.2 |
8.7 |
2.7 |
1.1 |
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)
| 
