Database: Wind Shock Analysis
Event ID: 20140500309
Observation time: 02/19/2014 50.13168 0309 [UT]
|
|
General
Information (About, Top)
| Year |
2014 |
| Fractional day of year |
50.131684 |
| Arrival time of shock [seconds of day] |
11377.5 ± 10.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
208.936 |
| Y GSE location of spacecraft [Re] |
95.671 |
| Z GSE location of spacecraft [Re] |
-5.954 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0112 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0194 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.59, 10.94, 11.94 |
Event added to database
|
Wed Jun 11 01:36:51 2014
|
Event last processed
|
Wed Jun 11 03:03:40 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
34.453 ± 0.878
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-387.8 ± 3.1 |
-474.3 ± 6.6 |
| Vy GSE [km/s] |
-1.6 ± 5.0 |
1.6 ± 9.7 |
| Vz GSE [km/s] |
4.6 ± 1.2 |
-34.6 ± 5.7 |
| Wi [km/s] |
23.5 ± 0.4 |
26.6 ± 1.4 |
| We [km/s] |
743.5 ± 11.3 |
840.4 ± 45.2 |
| Ni [n/cc] |
2.4 ± 0.0 |
3.9 ± 0.2 |
| Bx GSE [nT] |
3.5 ± 0.1 |
5.8 ± 0.4 |
| By GSE [nT] |
-3.1 ± 0.3 |
-3.5 ± 4.0 |
| Bz GSE [nT] |
-7.1 ± 0.1 |
-13.4 ± 1.0 |
Plasma Beta
|
0.038 ± 0.039
|
0.024 ± 0.025
|
Sound Speed [km/s]
|
30.35 ± 0.46
|
34.31 ± 1.84
|
Alfven Speed [km/s]
|
120.23 ± 0.33
|
171.39 ± 4.53
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.908 ± 0.364 |
0.333 ± 0.977 |
0.256 ± 0.250 |
14.84 ± 15.91 |
159.87 ± 61.67 |
| VC |
-0.911 ± 0.025 |
0.035 ± 0.104 |
-0.411 ± 0.386 |
-24.28 ± 3.45 |
177.77 ± 6.52 |
| MX1 |
-0.948 ± 0.034 |
0.073 ± 0.121 |
-0.311 ± 0.300 |
-18.10 ± 6.01 |
175.59 ± 7.33 |
| MX2 |
-0.943 ± 0.026 |
0.040 ± 0.089 |
-0.330 ± 0.318 |
-19.29 ± 4.39 |
177.58 ± 5.38 |
| MX3 |
-0.939 ± 0.022 |
0.017 ± 0.078 |
-0.342 ± 0.328 |
-20.03 ± 3.69 |
178.95 ± 4.76 |
| RH08 |
-0.993 ± 0.004 |
0.009 ± 0.032 |
-0.117 ± 0.117 |
-6.74 ± 2.03 |
179.50 ± 1.86 |
| RH09 |
-0.995 ± 0.007 |
-0.096 ± 0.068 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
185.52 ± 3.94 |
| RH10 |
-0.994 ± 0.008 |
-0.114 ± 0.068 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
186.52 ± 3.94 |
| Average |
-0.954 |
0.037 |
-0.158 |
-9.279 |
177.663 |
| Median |
-0.943 |
0.035 |
-0.117 |
-6.737 |
178.947 |
| Deviation |
0.036 |
0.136 |
0.230 |
13.454 |
8.159 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
45.1 ± 0.5 |
542.8 ± 5.5 |
1.64 ± 0.09 |
| VC |
87.7 ± 0.5 |
606.1 ± 6.9 |
1.64 ± 0.09 |
| MX1 |
81.2 ± 0.5 |
620.9 ± 6.9 |
1.64 ± 0.09 |
| MX2 |
83.0 ± 0.6 |
620.0 ± 6.9 |
1.64 ± 0.09 |
| MX3 |
84.1 ± 0.6 |
618.9 ± 6.8 |
1.64 ± 0.09 |
| RH08 |
72.0 ± 0.7 |
632.4 ± 6.4 |
1.64 ± 0.09 |
| RH09 |
68.6 ± 0.9 |
623.2 ± 5.9 |
1.64 ± 0.09 |
| RH10 |
69.0 ± 1.0 |
622.0 ± 28.3 |
1.64 ± 0.09 |
| Average |
73.8 |
610.8 |
1.64 |
| Median |
81.2 |
620.9 |
1.64 |
| Deviation |
13.7 |
28.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
190.2 ± 1.5 |
21.1 ± 0.3 |
84.9 ± 0.2 |
122.2 ± 0.4 |
9.02 ± 0.19 |
1.56 ± 0.01 |
| VC |
254.9 ± 2.6 |
1.2 ± 0.0 |
4.9 ± 0.0 |
124.0 ± 0.4 |
213.71 ± 4.29 |
2.06 ± 0.02 |
| MX1 |
255.0 ± 2.5 |
4.5 ± 0.1 |
18.4 ± 0.1 |
123.9 ± 0.4 |
56.51 ± 1.14 |
2.06 ± 0.02 |
| MX2 |
255.9 ± 2.7 |
3.6 ± 0.1 |
14.7 ± 0.0 |
123.9 ± 0.4 |
70.87 ± 1.46 |
2.06 ± 0.02 |
| MX3 |
256.3 ± 2.8 |
3.0 ± 0.0 |
12.3 ± 0.0 |
124.0 ± 0.4 |
84.78 ± 1.76 |
2.07 ± 0.03 |
| RH8 |
247.9 ± 3.0 |
9.1 ± 0.1 |
37.2 ± 0.1 |
123.7 ± 0.4 |
27.16 ± 0.61 |
2.00 ± 0.03 |
| RH9 |
237.1 ± 3.6 |
10.8 ± 0.2 |
43.9 ± 0.1 |
123.5 ± 0.4 |
22.01 ± 0.55 |
1.92 ± 0.03 |
| RH10 |
236.6 ± 3.7 |
10.6 ± 0.2 |
43.0 ± 0.1 |
123.6 ± 0.4 |
22.40 ± 0.57 |
1.91 ± 0.03 |
| Average |
241.7 |
8.0 |
32.4 |
123.6 |
63.3 |
2.0 |
| Median |
254.9 |
9.1 |
37.2 |
123.9 |
56.5 |
2.1 |
| Deviation |
22.4 |
6.4 |
25.9 |
0.6 |
66.4 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
120.6 ± 6.0 |
24.0 ± 1.3 |
121.0 ± 3.2 |
173.1 ± 4.5 |
5.04 ± 0.40 |
0.70 ± 0.05 |
| VC |
159.8 ± 6.1 |
1.4 ± 0.1 |
6.9 ± 0.2 |
174.8 ± 4.6 |
117.53 ± 8.02 |
0.92 ± 0.05 |
| MX1 |
160.6 ± 6.3 |
5.2 ± 0.3 |
26.3 ± 0.7 |
174.7 ± 4.6 |
31.22 ± 2.17 |
0.92 ± 0.05 |
| MX2 |
161.2 ± 6.2 |
4.1 ± 0.2 |
21.0 ± 0.6 |
174.7 ± 4.6 |
39.16 ± 2.72 |
0.92 ± 0.05 |
| MX3 |
161.5 ± 6.2 |
3.5 ± 0.2 |
17.6 ± 0.5 |
174.8 ± 4.6 |
46.86 ± 3.26 |
0.93 ± 0.05 |
| RH8 |
157.4 ± 6.4 |
10.4 ± 0.5 |
53.0 ± 1.4 |
174.5 ± 4.6 |
15.14 ± 1.13 |
0.90 ± 0.05 |
| RH9 |
151.1 ± 6.7 |
12.3 ± 0.6 |
62.5 ± 1.7 |
174.4 ± 4.6 |
12.32 ± 0.99 |
0.87 ± 0.05 |
| RH10 |
150.8 ± 6.8 |
12.1 ± 0.6 |
61.3 ± 1.6 |
174.4 ± 4.6 |
12.54 ± 1.01 |
0.87 ± 0.05 |
| Average |
152.9 |
9.1 |
46.2 |
174.4 |
35.0 |
0.9 |
| Median |
159.8 |
10.4 |
53.0 |
174.7 |
31.2 |
0.9 |
| Deviation |
13.7 |
7.3 |
36.9 |
0.5 |
36.4 |
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)
| 
