Database: Wind Shock Analysis
Event ID: 20171471441
Observation time: 05/27/2017 147.61248 1441 [UT]
|
|
General
Information (About, Top)
| Year |
2017 |
| Fractional day of year |
147.612483 |
| Arrival time of shock [seconds of day] |
52918.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
203.620 |
| Y GSE location of spacecraft [Re] |
-53.069 |
| Z GSE location of spacecraft [Re] |
-4.891 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0301 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0260 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.14, 8.69, 8.83 |
Event added to database
|
Tue Oct 24 12:27:16 2017
|
Event last processed
|
Tue Oct 24 13:19:18 2017
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
55.406 ± 0.802
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-303.0 ± 5.1 |
-361.4 ± 3.0 |
| Vy GSE [km/s] |
-6.0 ± 1.9 |
9.8 ± 4.8 |
| Vz GSE [km/s] |
-5.7 ± 2.8 |
21.4 ± 10.7 |
| Wi [km/s] |
16.4 ± 0.6 |
28.3 ± 3.3 |
| We [km/s] |
517.7 ± 20.5 |
895.8 ± 102.8 |
| Ni [n/cc] |
7.6 ± 1.0 |
21.8 ± 2.1 |
| Bx GSE [nT] |
-1.0 ± 0.2 |
-2.8 ± 0.7 |
| By GSE [nT] |
-2.9 ± 0.6 |
-5.4 ± 2.3 |
| Bz GSE [nT] |
0.3 ± 0.3 |
-3.7 ± 3.0 |
Plasma Beta
|
0.473 ± 0.486
|
0.594 ± 0.627
|
Sound Speed [km/s]
|
21.14 ± 0.84
|
36.57 ± 4.20
|
Alfven Speed [km/s]
|
24.09 ± 3.14
|
36.96 ± 1.38
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.626 ± 0.526 |
-0.720 ± 0.467 |
0.298 ± 0.289 |
17.36 ± 37.92 |
229.01 ± 40.51 |
| VC |
-0.884 ± 0.056 |
0.238 ± 0.066 |
0.403 ± 0.379 |
23.75 ± 7.86 |
164.92 ± 4.14 |
| MX1 |
-0.914 ± 0.085 |
0.131 ± 0.403 |
0.383 ± 0.363 |
22.51 ± 9.38 |
171.82 ± 25.25 |
| MX2 |
-0.905 ± 0.056 |
0.180 ± 0.127 |
0.386 ± 0.365 |
22.69 ± 7.62 |
168.73 ± 8.02 |
| MX3 |
-0.906 ± 0.054 |
0.187 ± 0.116 |
0.379 ± 0.360 |
22.28 ± 7.53 |
168.34 ± 7.30 |
| RH08 |
-0.991 ± 0.002 |
0.061 ± 0.014 |
0.117 ± 0.117 |
6.74 ± 1.05 |
176.49 ± 0.81 |
| RH09 |
-0.991 ± 0.010 |
-0.043 ± 0.070 |
-0.128 ± 0.128 |
-7.38 ± 4.01 |
182.51 ± 4.07 |
| RH10 |
-0.991 ± 0.010 |
-0.043 ± 0.070 |
-0.128 ± 0.128 |
-7.38 ± 4.01 |
182.51 ± 4.07 |
| Average |
-0.901 |
-0.001 |
0.214 |
12.570 |
180.540 |
| Median |
-0.906 |
0.131 |
0.379 |
22.276 |
176.490 |
| Deviation |
0.120 |
0.309 |
0.231 |
13.488 |
20.638 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
24.6 ± 2.6 |
244.7 ± 0.7 |
3.02 ± 0.28 |
| VC |
83.8 ± 2.6 |
363.1 ± 1.5 |
3.02 ± 0.28 |
| MX1 |
77.5 ± 2.5 |
372.9 ± 1.4 |
3.02 ± 0.28 |
| MX2 |
80.4 ± 2.5 |
369.8 ± 1.4 |
3.02 ± 0.28 |
| MX3 |
80.7 ± 2.5 |
370.3 ± 1.4 |
3.02 ± 0.28 |
| RH08 |
73.6 ± 2.0 |
394.9 ± 1.1 |
3.02 ± 0.28 |
| RH09 |
69.1 ± 2.4 |
384.7 ± 0.9 |
3.02 ± 0.28 |
| RH10 |
69.1 ± 2.4 |
384.7 ± 8.0 |
3.02 ± 0.28 |
| Average |
69.9 |
360.6 |
3.02 |
| Median |
77.5 |
372.9 |
3.02 |
| Deviation |
19.1 |
47.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
52.4 ± 2.7 |
17.0 ± 1.0 |
21.9 ± 2.9 |
27.2 ± 2.8 |
3.10 ± 0.29 |
1.95 ± 0.24 |
| VC |
99.1 ± 6.0 |
1.7 ± 0.1 |
2.6 ± 0.3 |
32.0 ± 2.9 |
58.17 ± 6.37 |
3.12 ± 0.38 |
| MX1 |
98.8 ± 5.9 |
3.4 ± 0.2 |
5.2 ± 0.7 |
31.9 ± 2.9 |
28.88 ± 3.14 |
3.13 ± 0.38 |
| MX2 |
98.9 ± 5.9 |
2.7 ± 0.2 |
4.0 ± 0.5 |
32.0 ± 2.9 |
37.38 ± 4.08 |
3.12 ± 0.38 |
| MX3 |
99.0 ± 5.9 |
2.6 ± 0.2 |
3.9 ± 0.5 |
32.0 ± 2.9 |
38.90 ± 4.24 |
3.12 ± 0.38 |
| RH8 |
95.6 ± 5.5 |
4.5 ± 0.3 |
6.8 ± 0.9 |
31.8 ± 2.9 |
21.29 ± 2.27 |
3.04 ± 0.36 |
| RH9 |
83.4 ± 4.7 |
5.7 ± 0.4 |
8.6 ± 1.1 |
31.6 ± 2.9 |
14.63 ± 1.54 |
2.67 ± 0.32 |
| RH10 |
83.4 ± 4.7 |
5.7 ± 0.4 |
8.6 ± 1.1 |
31.6 ± 2.9 |
14.63 ± 1.54 |
2.67 ± 0.32 |
| Average |
88.8 |
5.4 |
7.7 |
31.2 |
27.1 |
2.9 |
| Median |
98.8 |
4.5 |
6.8 |
31.9 |
28.9 |
3.1 |
| Deviation |
16.2 |
4.9 |
6.1 |
1.6 |
17.5 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
19.2 ± 3.3 |
27.9 ± 1.9 |
33.6 ± 1.3 |
44.0 ± 2.7 |
0.69 ± 0.13 |
0.44 ± 0.08 |
| VC |
32.8 ± 5.0 |
2.8 ± 0.2 |
4.0 ± 0.1 |
52.0 ± 3.3 |
11.68 ± 1.54 |
0.63 ± 0.09 |
| MX1 |
33.0 ± 4.5 |
5.6 ± 0.4 |
8.0 ± 0.3 |
51.8 ± 3.3 |
5.85 ± 0.70 |
0.64 ± 0.08 |
| MX2 |
32.8 ± 4.7 |
4.4 ± 0.3 |
6.2 ± 0.2 |
51.9 ± 3.3 |
7.52 ± 0.93 |
0.63 ± 0.08 |
| MX3 |
32.8 ± 4.7 |
4.2 ± 0.3 |
6.0 ± 0.2 |
51.9 ± 3.3 |
7.83 ± 0.96 |
0.63 ± 0.08 |
| RH8 |
33.6 ± 3.0 |
7.4 ± 0.5 |
10.4 ± 0.4 |
51.5 ± 3.3 |
4.57 ± 0.49 |
0.65 ± 0.07 |
| RH9 |
29.8 ± 3.6 |
9.4 ± 0.6 |
13.2 ± 0.5 |
51.2 ± 3.3 |
3.21 ± 0.55 |
0.59 ± 0.10 |
| RH10 |
29.8 ± 3.6 |
9.4 ± 0.6 |
13.2 ± 0.5 |
51.2 ± 3.3 |
3.21 ± 0.55 |
0.59 ± 0.10 |
| Average |
30.5 |
8.9 |
11.8 |
50.7 |
5.6 |
0.6 |
| Median |
32.8 |
7.4 |
10.4 |
51.8 |
5.9 |
0.6 |
| Deviation |
4.8 |
8.0 |
9.4 |
2.7 |
3.4 |
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 Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
