Database: Wind Shock Analysis
Event ID: 20120681029
Observation time: 03/08/2012 68.43728 1029 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
68.437283 |
| Arrival time of shock [seconds of day] |
37781.3 ± 80.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
209.025 |
| Y GSE location of spacecraft [Re] |
93.268 |
| Z GSE location of spacecraft [Re] |
-6.442 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0260 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0260 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.08, 6.23, 6.47 |
Event added to database
|
Tue May 31 13:52:20 2016
|
Event last processed
|
Tue May 31 13:56:40 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
28.673 ± 2.620
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-527.3 ± 9.6 |
-727.6 ± 19.5 |
| Vy GSE [km/s] |
-57.4 ± 16.7 |
-216.0 ± 33.4 |
| Vz GSE [km/s] |
-94.3 ± 12.8 |
-145.8 ± 26.9 |
| Wi [km/s] |
40.5 ± 3.0 |
49.9 ± 11.8 |
| We [km/s] |
1279.7 ± 94.0 |
1577.5 ± 372.6 |
| Ni [n/cc] |
8.0 ± 0.7 |
11.6 ± 1.9 |
| Bx GSE [nT] |
-6.9 ± 0.8 |
-4.7 ± 2.2 |
| By GSE [nT] |
0.1 ± 0.7 |
-1.3 ± 4.3 |
| Bz GSE [nT] |
7.1 ± 1.6 |
16.5 ± 3.6 |
Plasma Beta
|
0.282 ± 0.276
|
0.224 ± 0.174
|
Sound Speed [km/s]
|
52.24 ± 3.84
|
64.40 ± 15.21
|
Alfven Speed [km/s]
|
77.29 ± 5.82
|
114.24 ± 15.40
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.952 ± 0.057 |
0.008 ± 0.268 |
0.305 ± 0.295 |
17.75 ± 10.72 |
179.49 ± 16.15 |
| VC |
-0.771 ± 0.090 |
-0.606 ± 0.113 |
-0.196 ± 0.193 |
-11.28 ± 6.08 |
218.16 ± 8.37 |
| MX1 |
-0.885 ± 0.108 |
-0.445 ± 0.208 |
0.139 ± 0.138 |
8.00 ± 11.65 |
206.69 ± 13.46 |
| MX2 |
-0.842 ± 0.108 |
-0.530 ± 0.171 |
0.098 ± 0.098 |
5.62 ± 11.49 |
212.20 ± 11.58 |
| MX3 |
-0.826 ± 0.126 |
-0.559 ± 0.185 |
0.076 ± 0.076 |
4.35 ± 11.11 |
214.08 ± 12.84 |
| RH08 |
-0.656 ± 0.007 |
0.719 ± 0.007 |
0.229 ± 0.225 |
13.24 ± 1.20 |
132.37 ± 0.53 |
| RH09 |
-0.656 ± 0.018 |
0.719 ± 0.017 |
0.229 ± 0.225 |
13.24 ± 2.07 |
132.37 ± 1.35 |
| RH10 |
-0.647 ± 0.026 |
0.734 ± 0.024 |
0.207 ± 0.204 |
11.93 ± 2.98 |
131.36 ± 1.97 |
| Average |
-0.779 |
0.005 |
0.136 |
7.856 |
178.340 |
| Median |
-0.771 |
0.008 |
0.207 |
11.929 |
206.690 |
| Deviation |
0.117 |
0.625 |
0.154 |
8.912 |
40.086 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
27.9 ± 8.5 |
1074.1 ± 53.8 |
1.44 ± 0.33 |
| VC |
67.0 ± 5.0 |
1344.6 ± 82.9 |
1.44 ± 0.33 |
| MX1 |
45.0 ± 4.7 |
1304.3 ± 73.5 |
1.44 ± 0.33 |
| MX2 |
49.7 ± 4.3 |
1316.8 ± 75.7 |
1.44 ± 0.33 |
| MX3 |
51.7 ± 4.2 |
1319.9 ± 76.6 |
1.44 ± 0.33 |
| RH08 |
51.0 ± 6.0 |
281.7 ± 20.8 |
1.44 ± 0.33 |
| RH09 |
51.0 ± 6.0 |
281.7 ± 20.8 |
1.44 ± 0.33 |
| RH10 |
52.6 ± 6.0 |
266.7 ± 154.5 |
1.44 ± 0.33 |
| Average |
49.5 |
898.7 |
1.44 |
| Median |
51.0 |
1304.3 |
1.44 |
| Deviation |
10.8 |
522.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
601.2 ± 6.4 |
43.0 ± 2.4 |
68.3 ± 5.1 |
82.9 ± 4.7 |
14.03 ± 0.77 |
7.27 ± 0.47 |
| VC |
884.8 ± 15.7 |
17.1 ± 0.8 |
30.2 ± 2.3 |
91.8 ± 4.3 |
51.73 ± 2.58 |
9.65 ± 0.56 |
| MX1 |
825.4 ± 10.5 |
32.5 ± 1.6 |
54.7 ± 4.1 |
87.6 ± 4.4 |
25.42 ± 1.28 |
9.45 ± 0.55 |
| MX2 |
851.6 ± 11.8 |
29.4 ± 1.4 |
50.0 ± 3.8 |
88.7 ± 4.3 |
29.03 ± 1.45 |
9.63 ± 0.55 |
| MX3 |
859.6 ± 12.3 |
28.0 ± 1.3 |
47.9 ± 3.6 |
89.1 ± 4.3 |
30.74 ± 1.53 |
9.67 ± 0.55 |
| RH8 |
-1.3 ± 13.4 |
28.5 ± 1.4 |
48.6 ± 3.7 |
89.0 ± 4.3 |
-0.05 ± 0.46 |
-0.01 ± 0.15 |
| RH9 |
-1.3 ± 13.4 |
28.5 ± 1.4 |
48.6 ± 3.7 |
89.0 ± 4.3 |
-0.05 ± 0.46 |
-0.01 ± 0.15 |
| RH10 |
-12.7 ± 13.6 |
27.4 ± 1.3 |
46.9 ± 3.5 |
89.3 ± 4.3 |
-0.46 ± 0.48 |
-0.14 ± 0.15 |
| Average |
500.9 |
29.3 |
49.4 |
88.4 |
18.8 |
5.7 |
| Median |
825.4 |
28.5 |
48.6 |
89.0 |
25.4 |
9.4 |
| Deviation |
428.0 |
7.1 |
10.4 |
2.5 |
18.8 |
4.8 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
427.5 ± 22.2 |
53.4 ± 10.3 |
101.0 ± 13.6 |
120.6 ± 12.3 |
8.24 ± 1.45 |
3.59 ± 0.50 |
| VC |
624.1 ± 10.1 |
21.6 ± 3.4 |
44.7 ± 6.0 |
130.5 ± 9.9 |
29.46 ± 4.62 |
4.81 ± 0.39 |
| MX1 |
584.8 ± 14.8 |
40.8 ± 7.0 |
80.8 ± 10.9 |
125.7 ± 10.8 |
14.68 ± 2.37 |
4.69 ± 0.48 |
| MX2 |
603.8 ± 14.5 |
36.9 ± 6.2 |
74.0 ± 10.0 |
126.9 ± 10.6 |
16.73 ± 2.66 |
4.79 ± 0.47 |
| MX3 |
609.4 ± 14.3 |
35.2 ± 5.8 |
70.8 ± 9.5 |
127.4 ± 10.5 |
17.70 ± 2.80 |
4.81 ± 0.46 |
| RH8 |
-6.8 ± 34.3 |
35.8 ± 6.0 |
71.9 ± 9.7 |
127.3 ± 10.5 |
-0.21 ± 1.00 |
-0.05 ± 0.29 |
| RH9 |
-6.8 ± 34.3 |
35.8 ± 6.0 |
71.9 ± 9.7 |
127.3 ± 10.5 |
-0.21 ± 1.00 |
-0.05 ± 0.29 |
| RH10 |
-15.0 ± 34.5 |
34.4 ± 5.7 |
69.3 ± 9.3 |
127.7 ± 10.4 |
-0.47 ± 1.06 |
-0.11 ± 0.29 |
| Average |
352.6 |
36.7 |
73.0 |
126.7 |
10.7 |
2.8 |
| Median |
584.8 |
35.8 |
71.9 |
127.3 |
14.7 |
4.7 |
| Deviation |
306.1 |
8.7 |
15.4 |
2.8 |
10.8 |
2.4 |
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 Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
