Database: Wind Shock Analysis
Event ID: 20170801403
Observation time: 03/21/2017 80.58564 1403 [UT]
|
|
General
Information (About, Top)
| Year |
2017 |
| Fractional day of year |
80.585642 |
| Arrival time of shock [seconds of day] |
50599.5 ± 40.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
258.853 |
| Y GSE location of spacecraft [Re] |
-27.364 |
| Z GSE location of spacecraft [Re] |
13.470 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0242 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0260 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.92, 2.27, 2.49 |
Event added to database
|
Tue Oct 24 12:01:22 2017
|
Event last processed
|
Tue Oct 24 13:11:59 2017
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
40.717 ± 8.465
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-556.4 ± 8.2 |
-598.8 ± 8.7 |
| Vy GSE [km/s] |
26.0 ± 5.1 |
83.5 ± 7.1 |
| Vz GSE [km/s] |
-33.5 ± 10.8 |
5.6 ± 3.7 |
| Wi [km/s] |
69.2 ± 2.9 |
89.7 ± 2.9 |
| We [km/s] |
2189.3 ± 90.9 |
2836.9 ± 91.1 |
| Ni [n/cc] |
6.4 ± 0.4 |
8.8 ± 0.7 |
| Bx GSE [nT] |
-8.1 ± 1.6 |
-5.4 ± 1.5 |
| By GSE [nT] |
7.6 ± 1.1 |
-0.7 ± 1.8 |
| Bz GSE [nT] |
4.2 ± 2.7 |
-5.0 ± 0.7 |
Plasma Beta
|
0.427 ± 0.415
|
2.602 ± 2.736
|
Sound Speed [km/s]
|
89.38 ± 3.71
|
115.82 ± 3.72
|
Alfven Speed [km/s]
|
106.59 ± 4.50
|
56.63 ± 5.76
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.889 ± 0.078 |
0.163 ± 0.170 |
-0.427 ± 0.399 |
-25.29 ± 9.69 |
169.60 ± 10.90 |
| VC |
-0.515 ± 0.095 |
0.709 ± 0.086 |
0.481 ± 0.440 |
28.78 ± 8.84 |
125.96 ± 6.78 |
| MX1 |
-0.954 ± 0.090 |
0.015 ± 0.402 |
-0.298 ± 0.289 |
-17.35 ± 17.21 |
179.07 ± 24.14 |
| MX2 |
-0.884 ± 0.078 |
0.172 ± 0.161 |
-0.436 ± 0.406 |
-25.82 ± 9.64 |
169.01 ± 10.37 |
| MX3 |
-0.832 ± 0.115 |
0.260 ± 0.167 |
-0.490 ± 0.447 |
-29.36 ± 12.57 |
162.62 ± 11.29 |
| RH08 |
-0.514 ± 0.023 |
-0.699 ± 0.019 |
0.497 ± 0.451 |
29.82 ± 1.37 |
233.65 ± 1.79 |
| RH09 |
-0.502 ± 0.051 |
-0.708 ± 0.041 |
0.497 ± 0.451 |
29.82 ± 2.94 |
234.65 ± 3.98 |
| RH10 |
-0.518 ± 0.052 |
-0.704 ± 0.042 |
0.486 ± 0.444 |
29.08 ± 3.06 |
233.65 ± 4.01 |
| Average |
-0.701 |
-0.099 |
0.039 |
2.459 |
188.527 |
| Median |
-0.518 |
0.163 |
0.481 |
28.782 |
179.073 |
| Deviation |
0.205 |
0.539 |
0.486 |
28.965 |
40.732 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
55.5 ± 15.7 |
620.8 ± 4.5 |
1.40 ± 0.10 |
| VC |
15.1 ± 13.6 |
588.0 ± 10.2 |
1.40 ± 0.10 |
| MX1 |
56.0 ± 15.0 |
649.2 ± 4.4 |
1.40 ± 0.10 |
| MX2 |
55.6 ± 15.7 |
618.0 ± 4.5 |
1.40 ± 0.10 |
| MX3 |
55.5 ± 15.6 |
596.1 ± 4.6 |
1.40 ± 0.10 |
| RH08 |
85.6 ± 1.6 |
253.0 ± 2.4 |
1.40 ± 0.10 |
| RH09 |
86.4 ± 1.6 |
242.0 ± 2.4 |
1.40 ± 0.10 |
| RH10 |
85.9 ± 1.7 |
253.0 ± 17.8 |
1.40 ± 0.10 |
| Average |
61.9 |
477.5 |
1.40 |
| Median |
56.0 |
596.1 |
1.40 |
| Deviation |
24.2 |
189.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
107.4 ± 12.0 |
40.5 ± 0.5 |
60.4 ± 2.5 |
133.2 ± 1.7 |
2.66 ± 0.32 |
0.81 ± 0.10 |
| VC |
299.4 ± 4.2 |
81.4 ± 1.9 |
102.9 ± 4.3 |
112.9 ± 2.7 |
3.68 ± 0.14 |
2.65 ± 0.05 |
| MX1 |
107.8 ± 11.1 |
39.9 ± 0.5 |
59.7 ± 2.5 |
133.3 ± 1.7 |
2.70 ± 0.30 |
0.81 ± 0.09 |
| MX2 |
107.3 ± 12.1 |
40.4 ± 0.5 |
60.2 ± 2.5 |
133.2 ± 1.7 |
2.66 ± 0.32 |
0.81 ± 0.10 |
| MX3 |
110.1 ± 12.3 |
40.5 ± 0.5 |
60.4 ± 2.5 |
133.2 ± 1.7 |
2.72 ± 0.33 |
0.83 ± 0.10 |
| RH8 |
1.6 ± 3.4 |
5.2 ± 0.1 |
8.1 ± 0.3 |
139.1 ± 1.7 |
0.30 ± 0.66 |
0.01 ± 0.02 |
| RH9 |
-2.2 ± 3.5 |
4.3 ± 0.1 |
6.6 ± 0.3 |
139.1 ± 1.7 |
-0.53 ± 0.83 |
-0.02 ± 0.03 |
| RH10 |
-0.7 ± 3.4 |
4.9 ± 0.1 |
7.6 ± 0.3 |
139.1 ± 1.7 |
-0.14 ± 0.70 |
-0.00 ± 0.02 |
| Average |
91.3 |
32.1 |
45.8 |
132.9 |
1.8 |
0.7 |
| Median |
107.4 |
40.4 |
60.2 |
133.3 |
2.7 |
0.8 |
| Deviation |
99.8 |
26.6 |
34.8 |
8.6 |
1.6 |
0.9 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
77.0 ± 9.1 |
29.5 ± 2.4 |
32.1 ± 3.3 |
125.6 ± 2.4 |
2.60 ± 0.15 |
0.61 ± 0.08 |
| VC |
217.9 ± 8.3 |
54.1 ± 5.3 |
54.7 ± 5.6 |
117.1 ± 3.4 |
4.05 ± 0.30 |
1.86 ± 0.12 |
| MX1 |
78.1 ± 8.8 |
29.2 ± 2.4 |
31.7 ± 3.2 |
125.7 ± 2.4 |
2.67 ± 0.14 |
0.62 ± 0.07 |
| MX2 |
76.9 ± 9.1 |
29.4 ± 2.4 |
32.0 ± 3.3 |
125.6 ± 2.4 |
2.61 ± 0.15 |
0.61 ± 0.08 |
| MX3 |
79.0 ± 9.1 |
29.5 ± 2.4 |
32.1 ± 3.3 |
125.6 ± 2.4 |
2.67 ± 0.15 |
0.63 ± 0.08 |
| RH8 |
0.5 ± 4.2 |
3.9 ± 0.3 |
4.3 ± 0.4 |
129.0 ± 2.3 |
0.11 ± 1.15 |
0.00 ± 0.03 |
| RH9 |
-2.3 ± 4.2 |
3.2 ± 0.2 |
3.5 ± 0.4 |
129.0 ± 2.3 |
-0.75 ± 1.43 |
-0.02 ± 0.03 |
| RH10 |
-1.2 ± 4.2 |
3.6 ± 0.3 |
4.1 ± 0.4 |
129.0 ± 2.3 |
-0.35 ± 1.24 |
-0.01 ± 0.03 |
| Average |
65.8 |
22.8 |
24.3 |
125.8 |
1.7 |
0.5 |
| Median |
77.0 |
29.4 |
32.0 |
125.7 |
2.6 |
0.6 |
| Deviation |
72.8 |
18.0 |
18.5 |
3.9 |
1.8 |
0.6 |
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)
| 
