Database: Wind Shock Analysis
Event ID: 20171911226
Observation time: 07/10/2017 191.51818 1226 [UT]
|
|
General
Information (About, Top)
| Year |
2017 |
| Fractional day of year |
191.518177 |
| Arrival time of shock [seconds of day] |
44770.5 ± 40.0 |
| Shock type |
SR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
209.332 |
| Y GSE location of spacecraft [Re] |
87.844 |
| Z GSE location of spacecraft [Re] |
-8.935 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0138 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0173 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.56, 8.92, 11.59 |
Event added to database
|
Tue Oct 24 12:48:38 2017
|
Event last processed
|
Tue Oct 24 13:25:32 2017
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-47.342 ± 2.847
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-569.9 ± 3.0 |
-530.3 ± 3.1 |
| Vy GSE [km/s] |
1.5 ± 1.6 |
10.0 ± 2.3 |
| Vz GSE [km/s] |
-8.0 ± 1.6 |
-14.0 ± 4.6 |
| Wi [km/s] |
49.5 ± 0.9 |
32.1 ± 4.2 |
| We [km/s] |
1566.2 ± 27.6 |
1016.6 ± 131.8 |
| Ni [n/cc] |
3.2 ± 0.1 |
1.6 ± 0.2 |
| Bx GSE [nT] |
-4.5 ± 0.1 |
-7.2 ± 0.1 |
| By GSE [nT] |
-0.0 ± 0.1 |
-1.2 ± 0.3 |
| Bz GSE [nT] |
3.5 ± 0.1 |
0.5 ± 0.5 |
Plasma Beta
|
0.516 ± 0.525
|
0.067 ± 0.085
|
Sound Speed [km/s]
|
63.94 ± 1.13
|
41.50 ± 5.38
|
Alfven Speed [km/s]
|
69.01 ± 1.56
|
127.21 ± 8.68
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.742 ± 0.041 |
0.011 ± 0.020 |
0.670 ± 0.545 |
42.08 ± 3.48 |
179.11 ± 1.56 |
| VC |
-0.966 ± 0.022 |
-0.214 ± 0.074 |
0.143 ± 0.142 |
8.24 ± 6.07 |
192.48 ± 4.38 |
| MX1 |
-0.744 ± 0.039 |
0.023 ± 0.032 |
0.668 ± 0.544 |
41.90 ± 3.31 |
178.21 ± 2.47 |
| MX2 |
-0.815 ± 0.237 |
-0.219 ± 0.703 |
0.536 ± 0.477 |
32.39 ± 15.78 |
195.05 ± 49.33 |
| MX3 |
-0.728 ± 0.040 |
-0.065 ± 0.087 |
0.682 ± 0.549 |
43.03 ± 3.32 |
185.11 ± 6.83 |
| RH08 |
-0.208 ± 0.009 |
0.956 ± 0.003 |
-0.207 ± 0.204 |
-11.93 ± 0.75 |
102.28 ± 0.55 |
| RH09 |
-0.208 ± 0.025 |
0.956 ± 0.008 |
-0.207 ± 0.204 |
-11.93 ± 1.84 |
102.28 ± 1.49 |
| RH10 |
-0.208 ± 0.041 |
0.956 ± 0.014 |
-0.207 ± 0.204 |
-11.93 ± 3.04 |
102.28 ± 2.44 |
| Average |
-0.578 |
0.301 |
0.260 |
16.481 |
154.603 |
| Median |
-0.728 |
0.023 |
0.536 |
32.391 |
179.113 |
| Deviation |
0.315 |
0.550 |
0.424 |
26.045 |
43.706 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
4.3 ± 1.7 |
449.4 ± 1.6 |
0.46 ± 0.06 |
| VC |
31.7 ± 1.8 |
591.0 ± 1.7 |
0.46 ± 0.06 |
| MX1 |
4.3 ± 1.8 |
450.3 ± 1.6 |
0.46 ± 0.06 |
| MX2 |
13.2 ± 1.8 |
496.1 ± 1.7 |
0.46 ± 0.06 |
| MX3 |
6.3 ± 0.7 |
441.3 ± 1.6 |
0.46 ± 0.06 |
| RH08 |
88.3 ± 1.0 |
121.2 ± 0.9 |
0.46 ± 0.06 |
| RH09 |
88.3 ± 1.0 |
121.2 ± 0.9 |
0.46 ± 0.06 |
| RH10 |
88.3 ± 1.0 |
121.2 ± 4.5 |
0.46 ± 0.06 |
| Average |
40.6 |
349.0 |
0.46 |
| Median |
31.7 |
449.4 |
0.46 |
| Deviation |
40.5 |
194.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
31.7 ± 2.3 |
62.8 ± 0.8 |
68.8 ± 1.6 |
70.1 ± 1.2 |
0.51 ± 0.04 |
0.45 ± 0.03 |
| VC |
41.7 ± 2.8 |
45.6 ± 0.1 |
58.7 ± 1.3 |
82.3 ± 0.6 |
0.91 ± 0.06 |
0.51 ± 0.03 |
| MX1 |
31.7 ± 2.3 |
62.8 ± 0.8 |
68.8 ± 1.6 |
70.1 ± 1.2 |
0.50 ± 0.04 |
0.45 ± 0.03 |
| MX2 |
36.0 ± 2.4 |
57.9 ± 0.3 |
67.2 ± 1.5 |
74.1 ± 0.8 |
0.62 ± 0.04 |
0.49 ± 0.03 |
| MX3 |
31.9 ± 2.3 |
61.8 ± 0.6 |
68.6 ± 1.5 |
70.9 ± 1.1 |
0.52 ± 0.04 |
0.45 ± 0.03 |
| RH8 |
-0.5 ± 2.1 |
1.4 ± 0.0 |
2.1 ± 0.0 |
94.1 ± 0.5 |
-0.33 ± 1.48 |
-0.01 ± 0.02 |
| RH9 |
-0.5 ± 2.1 |
1.4 ± 0.0 |
2.1 ± 0.0 |
94.1 ± 0.5 |
-0.33 ± 1.48 |
-0.01 ± 0.02 |
| RH10 |
-0.5 ± 2.1 |
1.4 ± 0.0 |
2.1 ± 0.0 |
94.1 ± 0.5 |
-0.33 ± 1.48 |
-0.01 ± 0.02 |
| Average |
21.4 |
36.9 |
42.3 |
81.2 |
0.3 |
0.3 |
| Median |
31.7 |
57.9 |
67.2 |
82.3 |
0.5 |
0.5 |
| Deviation |
18.5 |
29.9 |
33.5 |
11.4 |
0.5 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
65.0 ± 4.7 |
41.4 ± 5.4 |
126.9 ± 8.7 |
127.3 ± 8.7 |
1.60 ± 0.30 |
0.51 ± 0.04 |
| VC |
82.7 ± 3.0 |
34.7 ± 4.3 |
108.2 ± 7.4 |
129.3 ± 8.1 |
2.42 ± 0.38 |
0.64 ± 0.03 |
| MX1 |
64.9 ± 4.7 |
41.4 ± 5.4 |
126.8 ± 8.7 |
127.3 ± 8.7 |
1.60 ± 0.30 |
0.51 ± 0.04 |
| MX2 |
73.4 ± 3.9 |
40.3 ± 5.2 |
123.9 ± 8.5 |
127.6 ± 8.6 |
1.85 ± 0.32 |
0.58 ± 0.04 |
| MX3 |
65.4 ± 4.6 |
41.2 ± 5.3 |
126.4 ± 8.6 |
127.3 ± 8.7 |
1.62 ± 0.30 |
0.52 ± 0.04 |
| RH8 |
-1.7 ± 2.4 |
1.2 ± 0.1 |
3.8 ± 0.3 |
134.0 ± 7.0 |
-1.25 ± 2.02 |
-0.01 ± 0.02 |
| RH9 |
-1.7 ± 2.4 |
1.2 ± 0.1 |
3.8 ± 0.3 |
134.0 ± 7.0 |
-1.25 ± 2.02 |
-0.01 ± 0.02 |
| RH10 |
-1.7 ± 2.4 |
1.2 ± 0.1 |
3.8 ± 0.3 |
134.0 ± 7.0 |
-1.25 ± 2.02 |
-0.01 ± 0.02 |
| Average |
43.3 |
25.3 |
78.0 |
130.1 |
0.7 |
0.3 |
| Median |
65.0 |
40.3 |
123.9 |
129.3 |
1.6 |
0.5 |
| Deviation |
37.7 |
20.1 |
61.7 |
3.3 |
1.6 |
0.3 |
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)
| 
