Database: Wind Shock Analysis
Event ID: 20121680903
Observation time: 06/16/2012 168.37745 0903 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
168.377448 |
| Arrival time of shock [seconds of day] |
32611.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
322.036 |
| Y GSE location of spacecraft [Re] |
167.668 |
| Z GSE location of spacecraft [Re] |
66.992 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0136 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0105 |
| Minimum chisq/dof for RH8,RH9,RH10 |
23.25, 86.79, 135.91 |
Event added to database
|
Thu Sep 19 16:22:54 2013
|
Event last processed
|
Mon Oct 7 14:20:17 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
74.556 ± 1.646
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-294.9 ± 4.3 |
-385.2 ± 5.3 |
| Vy GSE [km/s] |
-11.8 ± 4.5 |
-32.1 ± 4.5 |
| Vz GSE [km/s] |
13.5 ± 3.4 |
-6.7 ± 9.8 |
| Wi [km/s] |
31.9 ± 3.0 |
42.4 ± 2.1 |
| We [km/s] |
1008.0 ± 93.8 |
1341.1 ± 64.8 |
| Ni [n/cc] |
3.3 ± 0.2 |
9.0 ± 0.6 |
| Bx GSE [nT] |
-2.6 ± 0.2 |
-2.0 ± 0.4 |
| By GSE [nT] |
1.3 ± 0.5 |
6.5 ± 0.6 |
| Bz GSE [nT] |
0.1 ± 0.3 |
2.9 ± 0.7 |
Plasma Beta
|
0.825 ± 0.813
|
0.634 ± 0.719
|
Sound Speed [km/s]
|
41.15 ± 3.83
|
54.75 ± 2.65
|
Alfven Speed [km/s]
|
35.55 ± 2.14
|
53.97 ± 4.76
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.974 ± 0.028 |
0.196 ± 0.114 |
-0.113 ± 0.113 |
-6.51 ± 8.01 |
168.64 ± 6.68 |
| VC |
-0.954 ± 0.022 |
-0.213 ± 0.058 |
-0.210 ± 0.207 |
-12.15 ± 5.11 |
192.61 ± 3.45 |
| MX1 |
-0.984 ± 0.018 |
0.166 ± 0.103 |
-0.063 ± 0.063 |
-3.61 ± 4.66 |
170.40 ± 6.00 |
| MX2 |
-0.989 ± 0.014 |
0.147 ± 0.090 |
-0.034 ± 0.034 |
-1.93 ± 2.13 |
171.53 ± 5.24 |
| MX3 |
-0.990 ± 0.012 |
0.139 ± 0.087 |
-0.022 ± 0.022 |
-1.24 ± 1.42 |
172.00 ± 5.06 |
| RH08 |
-0.995 ± 0.004 |
0.096 ± 0.034 |
0.039 ± 0.039 |
2.24 ± 2.24 |
174.48 ± 1.97 |
| RH09 |
-0.853 ± 0.037 |
-0.052 ± 0.071 |
0.520 ± 0.467 |
31.30 ± 4.01 |
183.51 ± 4.76 |
| RH10 |
-0.880 ± 0.034 |
-0.008 ± 0.069 |
0.475 ± 0.435 |
28.35 ± 4.06 |
180.50 ± 4.51 |
| Average |
-0.952 |
0.059 |
0.074 |
4.556 |
176.711 |
| Median |
-0.974 |
0.139 |
-0.022 |
-1.238 |
174.485 |
| Deviation |
0.055 |
0.140 |
0.271 |
16.173 |
8.214 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
18.3 ± 8.2 |
421.9 ± 2.1 |
2.68 ± 0.06 |
| VC |
41.3 ± 8.8 |
432.4 ± 2.0 |
2.68 ± 0.06 |
| MX1 |
18.6 ± 8.7 |
426.7 ± 2.1 |
2.68 ± 0.06 |
| MX2 |
19.1 ± 9.0 |
429.0 ± 2.0 |
2.68 ± 0.06 |
| MX3 |
19.4 ± 9.1 |
429.8 ± 2.0 |
2.68 ± 0.06 |
| RH08 |
21.3 ± 9.7 |
432.1 ± 2.1 |
2.68 ± 0.06 |
| RH09 |
41.0 ± 9.3 |
369.4 ± 2.8 |
2.68 ± 0.06 |
| RH10 |
37.2 ± 9.4 |
380.2 ± 8.9 |
2.68 ± 0.06 |
| Average |
27.0 |
415.2 |
2.68 |
| Median |
21.3 |
429.0 |
2.68 |
| Deviation |
10.7 |
25.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
138.5 ± 3.3 |
30.9 ± 0.9 |
33.7 ± 2.0 |
44.8 ± 2.8 |
4.49 ± 0.23 |
3.10 ± 0.22 |
| VC |
151.4 ± 5.0 |
22.0 ± 0.6 |
26.7 ± 1.6 |
49.8 ± 2.4 |
6.90 ± 0.41 |
3.04 ± 0.21 |
| MX1 |
139.3 ± 3.5 |
30.8 ± 0.9 |
33.7 ± 2.0 |
44.9 ± 2.8 |
4.53 ± 0.24 |
3.11 ± 0.23 |
| MX2 |
139.7 ± 3.6 |
30.6 ± 0.9 |
33.6 ± 2.0 |
45.0 ± 2.8 |
4.57 ± 0.24 |
3.11 ± 0.23 |
| MX3 |
139.8 ± 3.7 |
30.5 ± 0.9 |
33.5 ± 2.0 |
45.1 ± 2.7 |
4.59 ± 0.25 |
3.11 ± 0.23 |
| RH8 |
139.4 ± 3.9 |
29.8 ± 0.9 |
33.1 ± 2.0 |
45.6 ± 2.7 |
4.68 ± 0.26 |
3.07 ± 0.22 |
| RH9 |
110.3 ± 4.5 |
22.1 ± 0.6 |
26.8 ± 1.6 |
49.8 ± 2.4 |
5.00 ± 0.33 |
2.22 ± 0.16 |
| RH10 |
114.2 ± 4.4 |
23.7 ± 0.6 |
28.3 ± 1.7 |
49.0 ± 2.5 |
4.83 ± 0.31 |
2.33 ± 0.17 |
| Average |
134.1 |
27.5 |
31.2 |
46.8 |
4.9 |
2.9 |
| Median |
139.4 |
30.5 |
33.5 |
45.6 |
4.7 |
3.1 |
| Deviation |
14.2 |
4.2 |
3.3 |
2.3 |
0.8 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
52.1 ± 6.5 |
44.5 ± 0.9 |
51.2 ± 4.5 |
62.8 ± 1.7 |
1.17 ± 0.13 |
0.83 ± 0.08 |
| VC |
56.6 ± 5.6 |
31.5 ± 0.7 |
40.5 ± 3.6 |
70.3 ± 1.8 |
1.80 ± 0.15 |
0.81 ± 0.06 |
| MX1 |
52.5 ± 6.1 |
44.4 ± 0.9 |
51.2 ± 4.5 |
62.9 ± 1.7 |
1.18 ± 0.12 |
0.83 ± 0.08 |
| MX2 |
52.7 ± 5.9 |
44.1 ± 0.9 |
51.0 ± 4.5 |
63.1 ± 1.7 |
1.19 ± 0.12 |
0.83 ± 0.07 |
| MX3 |
52.7 ± 5.8 |
44.0 ± 0.9 |
50.9 ± 4.5 |
63.2 ± 1.7 |
1.20 ± 0.12 |
0.83 ± 0.07 |
| RH8 |
52.2 ± 5.3 |
43.0 ± 0.9 |
50.3 ± 4.4 |
63.9 ± 1.7 |
1.22 ± 0.11 |
0.82 ± 0.07 |
| RH9 |
42.6 ± 4.7 |
31.7 ± 0.7 |
40.7 ± 3.6 |
70.2 ± 1.8 |
1.35 ± 0.17 |
0.61 ± 0.08 |
| RH10 |
44.1 ± 4.4 |
34.0 ± 0.7 |
43.0 ± 3.8 |
69.1 ± 1.7 |
1.30 ± 0.14 |
0.64 ± 0.07 |
| Average |
50.7 |
39.6 |
47.3 |
65.7 |
1.3 |
0.8 |
| Median |
52.5 |
44.0 |
50.9 |
63.9 |
1.2 |
0.8 |
| Deviation |
4.8 |
6.1 |
5.0 |
3.5 |
0.2 |
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)
| 
