Database: Wind Shock Analysis
Event ID: 20120241440
Observation time: 01/24/2012 24.61116 1440 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
24.611163 |
| Arrival time of shock [seconds of day] |
52804.5 ± 40.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
196.727 |
| Y GSE location of spacecraft [Re] |
-39.407 |
| Z GSE location of spacecraft [Re] |
-15.727 |
| Upstream plasma points selected for analysis |
0021 |
| Upstream field points selected for analysis |
0690 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0821 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.07, 12.19, 13.06 |
Event added to database
|
Thu Sep 19 12:13:05 2013
|
Event last processed
|
Mon Oct 7 13:59:14 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-23.626 ± 3.535
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-387.9 ± 8.8 |
-659.9 ± 17.8 |
| Vy GSE [km/s] |
2.3 ± 11.0 |
18.2 ± 17.0 |
| Vz GSE [km/s] |
-41.6 ± 12.8 |
-201.1 ± 31.9 |
| Wi [km/s] |
13.9 ± 1.9 |
146.1 ± 15.4 |
| We [km/s] |
438.9 ± 59.0 |
4619.0 ± 487.1 |
| Ni [n/cc] |
1.8 ± 0.4 |
8.2 ± 1.1 |
| Bx GSE [nT] |
-5.3 ± 0.8 |
-8.6 ± 3.6 |
| By GSE [nT] |
-2.5 ± 0.6 |
-7.5 ± 3.0 |
| Bz GSE [nT] |
2.9 ± 0.6 |
5.9 ± 0.6 |
Plasma Beta
|
0.018 ± 0.019
|
2.040 ± 1.932
|
Sound Speed [km/s]
|
17.92 ± 2.41
|
188.57 ± 19.89
|
Alfven Speed [km/s]
|
109.21 ± 14.40
|
102.78 ± 12.37
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.923 ± 0.295 |
0.383 ± 0.709 |
0.048 ± 0.048 |
2.76 ± 28.81 |
157.47 ± 44.03 |
| VC |
-0.862 ± 0.053 |
0.052 ± 0.063 |
-0.503 ± 0.456 |
-30.23 ± 6.08 |
176.52 ± 4.17 |
| MX1 |
-0.798 ± 0.275 |
0.160 ± 0.235 |
-0.581 ± 0.504 |
-35.49 ± 27.28 |
168.70 ± 16.43 |
| MX2 |
-0.768 ± 0.217 |
0.140 ± 0.256 |
-0.624 ± 0.527 |
-38.64 ± 19.80 |
169.70 ± 18.83 |
| MX3 |
-0.758 ± 0.184 |
0.132 ± 0.272 |
-0.638 ± 0.533 |
-39.68 ± 16.19 |
170.16 ± 20.43 |
| RH08 |
0.029 ± 0.011 |
-0.601 ± 0.008 |
-0.799 ± 0.557 |
-53.02 ± 0.58 |
272.76 ± 1.05 |
| RH09 |
-0.891 ± 0.032 |
0.039 ± 0.069 |
-0.453 ± 0.419 |
-26.91 ± 4.06 |
177.49 ± 4.43 |
| RH10 |
-0.879 ± 0.034 |
0.038 ± 0.069 |
-0.475 ± 0.435 |
-28.35 ± 4.06 |
177.49 ± 4.51 |
| Average |
-0.731 |
0.043 |
-0.503 |
-31.194 |
183.787 |
| Median |
-0.798 |
0.132 |
-0.503 |
-30.231 |
176.521 |
| Deviation |
0.313 |
0.283 |
0.249 |
16.048 |
36.552 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
51.6 ± 6.0 |
672.6 ± 3.2 |
4.08 ± 1.15 |
| VC |
63.2 ± 4.3 |
758.7 ± 2.6 |
4.08 ± 1.15 |
| MX1 |
71.0 ± 4.4 |
735.8 ± 2.4 |
4.08 ± 1.15 |
| MX2 |
73.2 ± 4.3 |
725.4 ± 2.3 |
4.08 ± 1.15 |
| MX3 |
73.9 ± 4.2 |
721.3 ± 2.3 |
4.08 ± 1.15 |
| RH08 |
81.3 ± 5.2 |
166.8 ± 2.1 |
4.08 ± 1.15 |
| RH09 |
59.9 ± 4.4 |
767.7 ± 2.7 |
4.08 ± 1.15 |
| RH10 |
61.1 ± 4.3 |
764.9 ± 29.9 |
4.08 ± 1.15 |
| Average |
66.9 |
664.2 |
4.08 |
| Median |
71.0 |
735.8 |
4.08 |
| Deviation |
9.6 |
203.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
315.9 ± 9.4 |
11.0 ± 1.5 |
67.8 ± 8.9 |
110.2 ± 14.2 |
29.25 ± 4.96 |
2.92 ± 0.41 |
| VC |
403.1 ± 13.7 |
8.0 ± 1.0 |
49.3 ± 6.5 |
110.4 ± 14.1 |
51.49 ± 8.72 |
3.71 ± 0.54 |
| MX1 |
401.6 ± 14.1 |
5.8 ± 0.7 |
35.5 ± 4.7 |
110.6 ± 14.1 |
71.29 ± 12.15 |
3.69 ± 0.54 |
| MX2 |
401.0 ± 14.4 |
5.1 ± 0.7 |
31.6 ± 4.2 |
110.6 ± 14.1 |
80.10 ± 13.66 |
3.69 ± 0.54 |
| MX3 |
400.3 ± 14.5 |
4.9 ± 0.6 |
30.3 ± 4.0 |
110.6 ± 14.1 |
83.26 ± 14.20 |
3.68 ± 0.54 |
| RH8 |
146.1 ± 12.9 |
2.7 ± 0.3 |
16.5 ± 2.2 |
110.7 ± 14.0 |
56.04 ± 10.23 |
1.35 ± 0.24 |
| RH9 |
403.2 ± 13.3 |
8.9 ± 1.2 |
54.8 ± 7.2 |
110.4 ± 14.1 |
46.28 ± 7.82 |
3.72 ± 0.54 |
| RH10 |
404.0 ± 13.4 |
8.6 ± 1.1 |
52.8 ± 7.0 |
110.4 ± 14.1 |
48.22 ± 8.16 |
3.72 ± 0.54 |
| Average |
359.4 |
6.9 |
42.3 |
110.5 |
58.2 |
3.3 |
| Median |
401.6 |
8.0 |
49.3 |
110.6 |
56.0 |
3.7 |
| Deviation |
91.3 |
2.7 |
16.6 |
0.2 |
18.6 |
0.8 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
66.6 ± 13.4 |
58.2 ± 6.7 |
63.8 ± 7.7 |
206.8 ± 21.8 |
1.14 ± 0.19 |
0.32 ± 0.05 |
| VC |
87.4 ± 7.7 |
41.5 ± 4.8 |
46.4 ± 5.6 |
210.8 ± 22.2 |
2.12 ± 0.19 |
0.42 ± 0.04 |
| MX1 |
89.3 ± 9.6 |
29.6 ± 3.4 |
33.4 ± 4.0 |
212.8 ± 22.5 |
3.04 ± 0.44 |
0.42 ± 0.07 |
| MX2 |
90.1 ± 10.9 |
26.3 ± 3.0 |
29.7 ± 3.6 |
213.2 ± 22.5 |
3.46 ± 0.56 |
0.43 ± 0.07 |
| MX3 |
90.1 ± 11.3 |
25.2 ± 2.9 |
28.6 ± 3.4 |
213.3 ± 22.5 |
3.61 ± 0.60 |
0.43 ± 0.08 |
| RH8 |
36.1 ± 21.3 |
13.6 ± 1.6 |
15.5 ± 1.9 |
214.4 ± 22.6 |
2.70 ± 1.74 |
0.17 ± 0.11 |
| RH9 |
88.1 ± 7.4 |
46.4 ± 5.3 |
51.6 ± 6.2 |
209.8 ± 22.1 |
1.91 ± 0.13 |
0.42 ± 0.03 |
| RH10 |
88.6 ± 7.5 |
44.5 ± 5.1 |
49.6 ± 6.0 |
210.2 ± 22.2 |
2.00 ± 0.15 |
0.42 ± 0.04 |
| Average |
79.5 |
35.7 |
39.8 |
211.4 |
2.5 |
0.4 |
| Median |
88.6 |
41.5 |
46.4 |
212.8 |
2.7 |
0.4 |
| Deviation |
19.2 |
14.4 |
15.7 |
2.5 |
0.9 |
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)
| 
