Database: Wind Shock Analysis
Event ID: 20122471121
Observation time: 09/03/2012 247.47349 1121 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
247.473490 |
| Arrival time of shock [seconds of day] |
40909.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
411.636 |
| Y GSE location of spacecraft [Re] |
226.274 |
| Z GSE location of spacecraft [Re] |
125.134 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0094 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0112 |
| Minimum chisq/dof for RH8,RH9,RH10 |
11.08, 27.44, 41.83 |
Event added to database
|
Thu Sep 19 16:34:08 2013
|
Event last processed
|
Mon Oct 7 14:27:55 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
115.644 ± 2.939
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-306.8 ± 2.2 |
-391.2 ± 6.5 |
| Vy GSE [km/s] |
-6.8 ± 3.9 |
-28.7 ± 3.2 |
| Vz GSE [km/s] |
-11.4 ± 3.1 |
-50.2 ± 5.7 |
| Wi [km/s] |
28.3 ± 0.5 |
55.2 ± 5.7 |
| We [km/s] |
894.4 ± 14.5 |
1744.3 ± 178.9 |
| Ni [n/cc] |
13.1 ± 1.2 |
37.3 ± 3.3 |
| Bx GSE [nT] |
5.9 ± 0.4 |
6.1 ± 0.5 |
| By GSE [nT] |
3.0 ± 1.3 |
10.2 ± 1.0 |
| Bz GSE [nT] |
-3.6 ± 0.1 |
-14.3 ± 1.0 |
Plasma Beta
|
0.381 ± 0.360
|
0.722 ± 0.838
|
Sound Speed [km/s]
|
36.51 ± 0.59
|
71.21 ± 7.30
|
Alfven Speed [km/s]
|
46.12 ± 4.27
|
66.73 ± 7.02
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.995 ± 0.016 |
-0.083 ± 0.174 |
-0.047 ± 0.047 |
-2.70 ± 7.63 |
184.77 ± 10.00 |
| VC |
-0.884 ± 0.030 |
-0.229 ± 0.038 |
-0.408 ± 0.384 |
-24.09 ± 4.18 |
194.50 ± 2.39 |
| MX1 |
-0.935 ± 0.021 |
-0.292 ± 0.058 |
-0.203 ± 0.200 |
-11.70 ± 3.33 |
197.37 ± 3.57 |
| MX2 |
-0.914 ± 0.019 |
-0.332 ± 0.037 |
-0.232 ± 0.228 |
-13.41 ± 3.36 |
199.93 ± 2.32 |
| MX3 |
-0.906 ± 0.019 |
-0.347 ± 0.035 |
-0.243 ± 0.238 |
-14.07 ± 3.49 |
200.97 ± 2.21 |
| RH08 |
-0.914 ± 0.011 |
-0.361 ± 0.027 |
-0.184 ± 0.182 |
-10.62 ± 1.25 |
201.56 ± 1.69 |
| RH09 |
-0.908 ± 0.029 |
-0.377 ± 0.065 |
-0.184 ± 0.182 |
-10.62 ± 3.89 |
202.56 ± 4.09 |
| RH10 |
-0.908 ± 0.030 |
-0.377 ± 0.065 |
-0.184 ± 0.182 |
-10.62 ± 4.00 |
202.56 ± 4.11 |
| Average |
-0.920 |
-0.300 |
-0.211 |
-12.229 |
198.028 |
| Median |
-0.908 |
-0.332 |
-0.184 |
-10.624 |
200.971 |
| Deviation |
0.033 |
0.101 |
0.100 |
5.906 |
6.031 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
38.3 ± 4.7 |
443.6 ± 1.9 |
2.91 ± 0.45 |
| VC |
54.4 ± 1.8 |
424.2 ± 1.5 |
2.91 ± 0.45 |
| MX1 |
42.0 ± 1.9 |
436.3 ± 1.6 |
2.91 ± 0.45 |
| MX2 |
43.2 ± 1.8 |
431.1 ± 1.5 |
2.91 ± 0.45 |
| MX3 |
43.7 ± 1.9 |
428.6 ± 1.5 |
2.91 ± 0.45 |
| RH08 |
40.3 ± 1.9 |
428.5 ± 1.6 |
2.91 ± 0.45 |
| RH09 |
40.1 ± 2.0 |
426.3 ± 1.6 |
2.91 ± 0.45 |
| RH10 |
40.1 ± 2.0 |
426.3 ± 5.2 |
2.91 ± 0.45 |
| Average |
42.8 |
430.6 |
2.91 |
| Median |
42.0 |
428.6 |
2.91 |
| Deviation |
5.0 |
6.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
137.0 ± 2.6 |
24.7 ± 1.0 |
36.2 ± 3.4 |
53.4 ± 3.6 |
5.54 ± 0.15 |
2.57 ± 0.13 |
| VC |
146.9 ± 3.9 |
17.4 ± 0.8 |
26.8 ± 2.5 |
56.2 ± 3.6 |
8.44 ± 0.19 |
2.62 ± 0.11 |
| MX1 |
145.2 ± 3.6 |
23.1 ± 1.0 |
34.3 ± 3.2 |
54.1 ± 3.6 |
6.28 ± 0.13 |
2.69 ± 0.12 |
| MX2 |
145.6 ± 3.8 |
22.6 ± 1.0 |
33.6 ± 3.1 |
54.3 ± 3.6 |
6.45 ± 0.13 |
2.68 ± 0.11 |
| MX3 |
145.6 ± 3.9 |
22.4 ± 1.0 |
33.4 ± 3.1 |
54.4 ± 3.6 |
6.52 ± 0.13 |
2.68 ± 0.11 |
| RH8 |
143.5 ± 3.8 |
23.9 ± 1.0 |
35.2 ± 3.3 |
53.8 ± 3.6 |
6.01 ± 0.12 |
2.67 ± 0.11 |
| RH9 |
143.1 ± 3.8 |
23.9 ± 1.0 |
35.3 ± 3.3 |
53.8 ± 3.6 |
5.99 ± 0.11 |
2.67 ± 0.11 |
| RH10 |
143.1 ± 3.8 |
23.9 ± 1.0 |
35.3 ± 3.3 |
53.8 ± 3.6 |
5.99 ± 0.11 |
2.67 ± 0.11 |
| Average |
143.8 |
22.7 |
33.8 |
54.2 |
6.4 |
2.7 |
| Median |
145.2 |
23.9 |
35.2 |
54.1 |
6.3 |
2.7 |
| Deviation |
3.0 |
2.3 |
2.9 |
0.9 |
0.9 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
49.4 ± 6.4 |
41.8 ± 2.1 |
52.4 ± 5.5 |
88.5 ± 2.9 |
1.18 ± 0.14 |
0.56 ± 0.07 |
| VC |
51.4 ± 4.5 |
29.4 ± 1.4 |
38.8 ± 4.1 |
93.4 ± 3.2 |
1.75 ± 0.12 |
0.55 ± 0.04 |
| MX1 |
52.1 ± 5.8 |
39.1 ± 1.9 |
49.6 ± 5.2 |
89.8 ± 3.0 |
1.33 ± 0.13 |
0.58 ± 0.06 |
| MX2 |
52.2 ± 5.6 |
38.2 ± 1.9 |
48.7 ± 5.1 |
90.2 ± 3.0 |
1.37 ± 0.12 |
0.58 ± 0.06 |
| MX3 |
52.1 ± 5.5 |
37.8 ± 1.9 |
48.3 ± 5.1 |
90.4 ± 3.0 |
1.38 ± 0.12 |
0.58 ± 0.05 |
| RH8 |
51.3 ± 5.9 |
40.4 ± 2.0 |
50.9 ± 5.4 |
89.2 ± 2.9 |
1.27 ± 0.13 |
0.57 ± 0.06 |
| RH9 |
51.1 ± 5.9 |
40.4 ± 2.0 |
51.0 ± 5.4 |
89.2 ± 2.9 |
1.26 ± 0.13 |
0.57 ± 0.06 |
| RH10 |
51.1 ± 5.9 |
40.4 ± 2.0 |
51.0 ± 5.4 |
89.2 ± 2.9 |
1.26 ± 0.13 |
0.57 ± 0.06 |
| Average |
51.3 |
38.4 |
48.8 |
90.0 |
1.4 |
0.6 |
| Median |
51.4 |
40.4 |
50.9 |
89.8 |
1.3 |
0.6 |
| Deviation |
0.9 |
3.9 |
4.3 |
1.5 |
0.2 |
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)
| 
