Database: Wind Shock Analysis
Event ID: 20140490606
Observation time: 02/18/2014 49.25429 0606 [UT]
|
|
General
Information (About, Top)
| Year |
2014 |
| Fractional day of year |
49.254288 |
| Arrival time of shock [seconds of day] |
21970.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
209.061 |
| Y GSE location of spacecraft [Re] |
94.551 |
| Z GSE location of spacecraft [Re] |
-6.595 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0112 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0103 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.39, 16.45, 24.80 |
Event added to database
|
Wed Jun 11 01:32:24 2014
|
Event last processed
|
Wed Jun 11 03:01:34 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
48.402 ± 1.911
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-346.0 ± 5.8 |
-384.1 ± 8.7 |
| Vy GSE [km/s] |
11.2 ± 2.8 |
25.5 ± 3.6 |
| Vz GSE [km/s] |
21.9 ± 4.8 |
14.8 ± 13.1 |
| Wi [km/s] |
25.4 ± 2.8 |
38.7 ± 3.7 |
| We [km/s] |
802.9 ± 87.7 |
1224.3 ± 116.8 |
| Ni [n/cc] |
1.7 ± 0.1 |
3.1 ± 0.2 |
| Bx GSE [nT] |
3.0 ± 0.1 |
3.2 ± 1.0 |
| By GSE [nT] |
1.2 ± 0.1 |
2.1 ± 0.3 |
| Bz GSE [nT] |
2.4 ± 0.3 |
4.1 ± 1.4 |
Plasma Beta
|
0.143 ± 0.167
|
0.301 ± 0.336
|
Sound Speed [km/s]
|
32.78 ± 3.58
|
49.98 ± 4.77
|
Alfven Speed [km/s]
|
67.60 ± 2.46
|
71.25 ± 3.94
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.962 ± 0.189 |
0.059 ± 0.633 |
-0.268 ± 0.261 |
-15.53 ± 39.68 |
176.49 ± 37.70 |
| VC |
-0.915 ± 0.071 |
0.345 ± 0.069 |
-0.209 ± 0.205 |
-12.04 ± 19.46 |
159.33 ± 4.04 |
| MX1 |
-0.869 ± 0.192 |
0.417 ± 0.388 |
-0.266 ± 0.259 |
-15.42 ± 11.22 |
154.34 ± 25.56 |
| MX2 |
-0.842 ± 0.194 |
0.441 ± 0.354 |
-0.312 ± 0.301 |
-18.15 ± 12.23 |
152.38 ± 24.00 |
| MX3 |
-0.800 ± 0.204 |
0.463 ± 0.327 |
-0.382 ± 0.363 |
-22.48 ± 14.11 |
149.96 ± 23.19 |
| RH08 |
-0.987 ± 0.009 |
0.078 ± 0.063 |
-0.140 ± 0.139 |
-8.03 ± 3.09 |
175.49 ± 3.68 |
| RH09 |
-0.991 ± 0.009 |
0.061 ± 0.070 |
-0.117 ± 0.117 |
-6.74 ± 4.01 |
176.49 ± 4.07 |
| RH10 |
-0.992 ± 0.009 |
0.061 ± 0.070 |
-0.106 ± 0.106 |
-6.09 ± 4.02 |
176.49 ± 4.03 |
| Average |
-0.920 |
0.241 |
-0.225 |
-13.059 |
165.121 |
| Median |
-0.915 |
0.345 |
-0.209 |
-12.037 |
175.487 |
| Deviation |
0.075 |
0.191 |
0.099 |
5.870 |
12.173 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
31.0 ± 3.7 |
419.9 ± 2.5 |
1.84 ± 0.07 |
| VC |
45.5 ± 3.2 |
412.0 ± 3.0 |
1.84 ± 0.07 |
| MX1 |
47.3 ± 2.9 |
394.9 ± 2.7 |
1.84 ± 0.07 |
| MX2 |
47.3 ± 2.7 |
383.3 ± 2.4 |
1.84 ± 0.07 |
| MX3 |
47.0 ± 2.4 |
364.6 ± 2.2 |
1.84 ± 0.07 |
| RH08 |
37.4 ± 3.9 |
433.6 ± 3.3 |
1.84 ± 0.07 |
| RH09 |
37.8 ± 4.0 |
434.7 ± 3.4 |
1.84 ± 0.07 |
| RH10 |
38.4 ± 4.0 |
435.4 ± 11.6 |
1.84 ± 0.07 |
| Average |
41.5 |
409.8 |
1.84 |
| Median |
45.5 |
419.9 |
1.84 |
| Deviation |
6.2 |
26.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
92.4 ± 4.5 |
27.1 ± 2.7 |
58.0 ± 2.1 |
70.1 ± 2.3 |
3.44 ± 0.43 |
1.32 ± 0.10 |
| VC |
96.1 ± 5.1 |
21.5 ± 2.0 |
47.3 ± 1.7 |
72.0 ± 2.3 |
4.50 ± 0.56 |
1.34 ± 0.11 |
| MX1 |
95.4 ± 4.8 |
20.8 ± 2.0 |
45.8 ± 1.7 |
72.2 ± 2.3 |
4.63 ± 0.56 |
1.32 ± 0.10 |
| MX2 |
93.9 ± 4.5 |
20.8 ± 2.0 |
45.8 ± 1.7 |
72.2 ± 2.3 |
4.56 ± 0.54 |
1.30 ± 0.10 |
| MX3 |
91.0 ± 4.1 |
20.9 ± 2.0 |
46.1 ± 1.7 |
72.2 ± 2.3 |
4.39 ± 0.50 |
1.26 ± 0.09 |
| RH8 |
94.2 ± 5.2 |
24.8 ± 2.4 |
53.7 ± 2.0 |
71.0 ± 2.3 |
3.84 ± 0.50 |
1.33 ± 0.11 |
| RH9 |
93.6 ± 5.3 |
24.6 ± 2.4 |
53.4 ± 1.9 |
71.0 ± 2.3 |
3.84 ± 0.50 |
1.32 ± 0.11 |
| RH10 |
93.7 ± 5.4 |
24.4 ± 2.4 |
53.0 ± 1.9 |
71.1 ± 2.3 |
3.87 ± 0.51 |
1.32 ± 0.11 |
| Average |
93.8 |
23.1 |
50.4 |
71.5 |
4.1 |
1.3 |
| Median |
93.9 |
24.4 |
53.0 |
72.0 |
4.4 |
1.3 |
| Deviation |
1.6 |
2.4 |
4.7 |
0.8 |
0.4 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
53.0 ± 5.4 |
39.2 ± 2.8 |
61.1 ± 3.4 |
77.8 ± 3.0 |
1.36 ± 0.21 |
0.68 ± 0.09 |
| VC |
54.8 ± 6.1 |
30.5 ± 2.0 |
49.9 ± 2.8 |
81.6 ± 2.9 |
1.81 ± 0.27 |
0.67 ± 0.10 |
| MX1 |
54.4 ± 5.2 |
29.4 ± 1.9 |
48.3 ± 2.7 |
82.0 ± 2.9 |
1.86 ± 0.25 |
0.66 ± 0.09 |
| MX2 |
53.3 ± 4.5 |
29.4 ± 1.9 |
48.3 ± 2.7 |
82.0 ± 2.9 |
1.82 ± 0.23 |
0.65 ± 0.08 |
| MX3 |
51.2 ± 3.3 |
29.5 ± 1.9 |
48.6 ± 2.7 |
82.0 ± 2.9 |
1.74 ± 0.20 |
0.63 ± 0.06 |
| RH8 |
54.5 ± 7.1 |
35.5 ± 2.4 |
56.6 ± 3.1 |
79.6 ± 2.9 |
1.54 ± 0.26 |
0.69 ± 0.11 |
| RH9 |
54.2 ± 7.3 |
35.2 ± 2.4 |
56.3 ± 3.1 |
79.7 ± 2.9 |
1.55 ± 0.27 |
0.68 ± 0.12 |
| RH10 |
54.2 ± 7.5 |
34.9 ± 2.4 |
55.9 ± 3.1 |
79.8 ± 2.9 |
1.56 ± 0.27 |
0.68 ± 0.12 |
| Average |
53.7 |
32.9 |
53.1 |
80.6 |
1.7 |
0.7 |
| Median |
54.2 |
34.9 |
55.9 |
81.6 |
1.7 |
0.7 |
| Deviation |
1.2 |
3.7 |
4.9 |
1.6 |
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)
| 
