Database: Wind Shock Analysis
Event ID: 20012941640
Observation time: 10/21/2001 294.69495 1640 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
294.694948 |
| Arrival time of shock [seconds of day] |
60043.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
43.246 |
| Y GSE location of spacecraft [Re] |
-9.266 |
| Z GSE location of spacecraft [Re] |
3.473 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0286 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0315 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.92, 6.12, 6.35 |
Event added to database
|
Mon Feb 14 11:15:59 2005
|
Event last processed
|
Mon Mar 30 21:52:29 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
7.024 ± 0.357
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-369.7 ± 7.3 |
-557.2 ± 10.7 |
| Vy GSE [km/s] |
14.4 ± 15.5 |
-18.3 ± 25.0 |
| Vz GSE [km/s] |
30.0 ± 14.9 |
-24.9 ± 31.2 |
| Wi [km/s] |
49.8 ± 11.1 |
116.1 ± 12.7 |
| We [km/s] |
1574.3 ± 351.5 |
3671.0 ± 401.1 |
| Ni [n/cc] |
7.7 ± 2.5 |
28.9 ± 3.5 |
| Bx GSE [nT] |
-2.0 ± 1.1 |
-3.0 ± 2.1 |
| By GSE [nT] |
-0.6 ± 3.4 |
10.0 ± 10.6 |
| Bz GSE [nT] |
-5.8 ± 0.6 |
-6.3 ± 15.5 |
Plasma Beta
|
1.005 ± 1.037
|
1.959 ± 1.565
|
Sound Speed [km/s]
|
64.27 ± 14.35
|
149.87 ± 16.37
|
Alfven Speed [km/s]
|
58.45 ± 15.18
|
87.42 ± 13.49
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.840 ± 0.227 |
-0.040 ± 0.756 |
-0.541 ± 0.481 |
-32.75 ± 23.80 |
182.70 ± 51.56 |
| VC |
-0.949 ± 0.049 |
-0.169 ± 0.142 |
-0.267 ± 0.260 |
-15.49 ± 9.07 |
190.07 ± 8.54 |
| MX1 |
-0.995 ± 0.044 |
-0.101 ± 0.426 |
0.020 ± 0.020 |
1.15 ± 22.01 |
185.79 ± 24.56 |
| MX2 |
-0.989 ± 0.020 |
-0.037 ± 0.149 |
-0.144 ± 0.143 |
-8.29 ± 7.60 |
182.15 ± 8.66 |
| MX3 |
-0.990 ± 0.016 |
-0.058 ± 0.140 |
-0.129 ± 0.128 |
-7.39 ± 6.14 |
183.34 ± 8.13 |
| RH08 |
-0.987 ± 0.003 |
-0.061 ± 0.018 |
-0.151 ± 0.150 |
-8.68 ± 1.00 |
183.51 ± 1.02 |
| RH09 |
-0.988 ± 0.011 |
-0.043 ± 0.070 |
-0.151 ± 0.150 |
-8.68 ± 4.02 |
182.51 ± 4.07 |
| RH10 |
-0.988 ± 0.011 |
-0.043 ± 0.070 |
-0.151 ± 0.150 |
-8.68 ± 4.02 |
182.51 ± 4.07 |
| Average |
-0.966 |
-0.069 |
-0.189 |
-11.099 |
184.072 |
| Median |
-0.988 |
-0.043 |
-0.151 |
-8.675 |
183.335 |
| Deviation |
0.053 |
0.045 |
0.162 |
9.836 |
2.680 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
46.2 ± 7.7 |
561.6 ± 30.7 |
4.31 ± 1.88 |
| VC |
59.5 ± 3.9 |
624.5 ± 30.9 |
4.31 ± 1.88 |
| MX1 |
73.9 ± 5.4 |
629.5 ± 31.2 |
4.31 ± 1.88 |
| MX2 |
66.1 ± 7.3 |
636.5 ± 30.2 |
4.31 ± 1.88 |
| MX3 |
66.8 ± 6.7 |
637.4 ± 30.4 |
4.31 ± 1.88 |
| RH08 |
65.7 ± 6.6 |
636.4 ± 30.3 |
4.31 ± 1.88 |
| RH09 |
65.8 ± 7.1 |
636.0 ± 30.2 |
4.31 ± 1.88 |
| RH10 |
65.8 ± 7.1 |
636.0 ± 30.2 |
4.31 ± 1.88 |
| Average |
63.7 |
624.8 |
4.31 |
| Median |
65.8 |
636.0 |
4.31 |
| Deviation |
8.1 |
25.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
267.8 ± 13.3 |
29.4 ± 1.9 |
40.5 ± 10.5 |
84.0 ± 3.8 |
9.12 ± 0.57 |
3.19 ± 0.16 |
| VC |
284.2 ± 8.2 |
20.9 ± 1.3 |
29.7 ± 7.7 |
86.5 ± 3.8 |
13.61 ± 0.79 |
3.29 ± 0.13 |
| MX1 |
262.7 ± 5.6 |
11.2 ± 0.7 |
16.2 ± 4.2 |
88.3 ± 3.8 |
23.55 ± 1.38 |
2.98 ± 0.11 |
| MX2 |
275.8 ± 8.7 |
16.5 ± 1.0 |
23.7 ± 6.1 |
87.5 ± 3.8 |
16.73 ± 0.97 |
3.16 ± 0.12 |
| MX3 |
276.1 ± 8.2 |
16.1 ± 1.0 |
23.0 ± 6.0 |
87.5 ± 3.8 |
17.22 ± 0.99 |
3.16 ± 0.12 |
| RH8 |
277.0 ± 8.4 |
16.8 ± 1.0 |
24.1 ± 6.3 |
87.4 ± 3.8 |
16.51 ± 0.95 |
3.17 ± 0.12 |
| RH9 |
276.1 ± 8.7 |
16.8 ± 1.0 |
24.0 ± 6.2 |
87.4 ± 3.8 |
16.51 ± 0.95 |
3.16 ± 0.12 |
| RH10 |
276.1 ± 8.7 |
16.8 ± 1.0 |
24.0 ± 6.2 |
87.4 ± 3.8 |
16.51 ± 0.95 |
3.16 ± 0.12 |
| Average |
274.5 |
18.1 |
25.6 |
87.0 |
16.2 |
3.2 |
| Median |
276.1 |
16.8 |
24.0 |
87.4 |
16.5 |
3.2 |
| Deviation |
6.5 |
5.3 |
7.0 |
1.3 |
4.0 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
79.3 ± 16.4 |
54.6 ± 7.0 |
60.5 ± 9.3 |
165.2 ± 14.2 |
1.47 ± 0.30 |
0.48 ± 0.12 |
| VC |
86.1 ± 11.1 |
38.9 ± 4.8 |
44.4 ± 6.8 |
169.7 ± 14.1 |
2.23 ± 0.31 |
0.51 ± 0.08 |
| MX1 |
73.9 ± 9.4 |
20.8 ± 2.5 |
24.2 ± 3.7 |
172.9 ± 14.1 |
3.57 ± 0.41 |
0.43 ± 0.06 |
| MX2 |
81.3 ± 9.6 |
30.7 ± 3.7 |
35.4 ± 5.5 |
171.4 ± 14.1 |
2.66 ± 0.29 |
0.48 ± 0.06 |
| MX3 |
81.5 ± 9.4 |
29.9 ± 3.6 |
34.5 ± 5.3 |
171.5 ± 14.1 |
2.74 ± 0.30 |
0.48 ± 0.06 |
| RH8 |
81.7 ± 9.5 |
31.3 ± 3.8 |
36.0 ± 5.6 |
171.3 ± 14.1 |
2.63 ± 0.29 |
0.48 ± 0.06 |
| RH9 |
81.2 ± 9.6 |
31.2 ± 3.8 |
35.9 ± 5.5 |
171.3 ± 14.1 |
2.62 ± 0.29 |
0.48 ± 0.06 |
| RH10 |
81.2 ± 9.6 |
31.2 ± 3.8 |
35.9 ± 5.5 |
171.3 ± 14.1 |
2.62 ± 0.29 |
0.48 ± 0.06 |
| Average |
80.8 |
33.6 |
38.3 |
170.6 |
2.6 |
0.5 |
| Median |
81.3 |
31.2 |
35.9 |
171.3 |
2.6 |
0.5 |
| Deviation |
3.4 |
9.8 |
10.5 |
2.3 |
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)
| 
