Database: Wind Shock Analysis
Event ID: 20213071935
Observation time: 11/03/2021 307.81606 1935 [UT]
|
|
General
Information (About, Top)
| Year |
2021 |
| Fractional day of year |
307.816059 |
| Arrival time of shock [seconds of day] |
70507.5 ± 130.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
196.516 |
| Y GSE location of spacecraft [Re] |
14.756 |
| Z GSE location of spacecraft [Re] |
-10.545 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0231 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0124 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.59, 20.71, 22.42 |
Event added to database
|
Thu Jan 13 11:29:06 2022
|
Event last processed
|
Fri Jan 14 13:50:25 2022
|
Method selected
|
RH09
|
Propagation delay to Earth [minutes]
|
24.929 ± 2.655
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-465.7 ± 6.9 |
-694.4 ± 16.2 |
| Vy GSE [km/s] |
0.4 ± 12.1 |
6.7 ± 5.3 |
| Vz GSE [km/s] |
7.1 ± 6.6 |
-153.0 ± 27.1 |
| Wi [km/s] |
31.6 ± 2.7 |
148.1 ± 8.2 |
| We [km/s] |
998.1 ± 86.4 |
4684.1 ± 257.8 |
| Ni [n/cc] |
1.5 ± 0.2 |
7.1 ± 0.4 |
| Bx GSE [nT] |
-2.4 ± 0.2 |
-3.6 ± 0.8 |
| By GSE [nT] |
1.1 ± 0.4 |
6.5 ± 0.2 |
| Bz GSE [nT] |
-0.8 ± 0.4 |
0.4 ± 1.3 |
Plasma Beta
|
0.420 ± 0.370
|
5.750 ± 6.074
|
Sound Speed [km/s]
|
40.75 ± 3.53
|
191.23 ± 10.53
|
Alfven Speed [km/s]
|
49.58 ± 4.42
|
61.84 ± 0.79
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.901 ± 0.075 |
-0.075 ± 0.187 |
-0.427 ± 0.399 |
-25.25 ± 9.87 |
184.76 ± 11.90 |
| VC |
-0.821 ± 0.027 |
0.023 ± 0.044 |
-0.570 ± 0.498 |
-34.76 ± 2.71 |
178.42 ± 3.09 |
| MX1 |
-0.804 ± 0.056 |
-0.061 ± 0.197 |
-0.591 ± 0.510 |
-36.23 ± 5.20 |
184.36 ± 14.05 |
| MX2 |
-0.820 ± 0.026 |
-0.054 ± 0.193 |
-0.569 ± 0.498 |
-34.70 ± 2.28 |
183.79 ± 13.48 |
| MX3 |
-0.824 ± 0.028 |
-0.053 ± 0.192 |
-0.564 ± 0.495 |
-34.36 ± 2.55 |
183.69 ± 13.39 |
| RH08 |
-0.705 ± 0.012 |
-0.322 ± 0.013 |
0.631 ± 0.530 |
39.14 ± 1.12 |
204.57 ± 0.94 |
| RH09 |
-0.944 ± 0.023 |
0.008 ± 0.071 |
-0.330 ± 0.317 |
-19.25 ± 4.00 |
179.50 ± 4.29 |
| RH10 |
-0.944 ± 0.023 |
0.008 ± 0.071 |
-0.330 ± 0.317 |
-19.25 ± 4.00 |
179.50 ± 4.29 |
| Average |
-0.846 |
-0.066 |
-0.344 |
-20.581 |
184.824 |
| Median |
-0.821 |
-0.053 |
-0.427 |
-25.255 |
183.792 |
| Deviation |
0.081 |
0.110 |
0.409 |
25.150 |
8.367 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
28.4 ± 6.7 |
755.6 ± 6.6 |
5.22 ± 1.01 |
| VC |
27.2 ± 5.7 |
720.9 ± 7.2 |
5.22 ± 1.01 |
| MX1 |
31.9 ± 6.0 |
711.5 ± 7.2 |
5.22 ± 1.01 |
| MX2 |
30.8 ± 6.0 |
719.8 ± 7.1 |
5.22 ± 1.01 |
| MX3 |
30.5 ± 6.0 |
721.5 ± 7.1 |
5.22 ± 1.01 |
| RH08 |
72.6 ± 7.1 |
407.7 ± 1.8 |
5.22 ± 1.01 |
| RH09 |
23.0 ± 7.4 |
771.0 ± 6.3 |
5.22 ± 1.01 |
| RH10 |
23.0 ± 7.4 |
771.0 ± 32.6 |
5.22 ± 1.01 |
| Average |
33.4 |
697.4 |
5.22 |
| Median |
30.5 |
721.5 |
5.22 |
| Deviation |
16.2 |
119.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
338.9 ± 6.8 |
31.6 ± 1.7 |
43.6 ± 3.9 |
56.0 ± 3.3 |
10.74 ± 0.55 |
6.07 ± 0.37 |
| VC |
342.6 ± 6.2 |
32.2 ± 1.8 |
44.1 ± 3.9 |
55.7 ± 3.3 |
10.68 ± 0.59 |
6.17 ± 0.39 |
| MX1 |
341.2 ± 6.5 |
30.1 ± 1.6 |
42.1 ± 3.8 |
56.8 ± 3.3 |
11.37 ± 0.61 |
6.02 ± 0.38 |
| MX2 |
341.9 ± 6.5 |
30.6 ± 1.6 |
42.6 ± 3.8 |
56.6 ± 3.3 |
11.21 ± 0.60 |
6.06 ± 0.38 |
| MX3 |
342.0 ± 6.5 |
30.7 ± 1.7 |
42.7 ± 3.8 |
56.5 ± 3.3 |
11.17 ± 0.60 |
6.07 ± 0.38 |
| RH8 |
74.8 ± 9.6 |
9.4 ± 0.5 |
14.8 ± 1.3 |
63.6 ± 3.5 |
7.91 ± 0.74 |
1.18 ± 0.12 |
| RH9 |
333.7 ± 6.5 |
34.0 ± 1.9 |
45.7 ± 4.1 |
54.6 ± 3.3 |
9.85 ± 0.52 |
6.13 ± 0.37 |
| RH10 |
333.7 ± 6.5 |
34.0 ± 1.9 |
45.7 ± 4.1 |
54.6 ± 3.3 |
9.85 ± 0.52 |
6.13 ± 0.37 |
| Average |
306.1 |
29.1 |
40.2 |
56.8 |
10.3 |
5.5 |
| Median |
341.2 |
31.6 |
43.6 |
56.5 |
10.7 |
6.1 |
| Deviation |
93.5 |
8.1 |
10.3 |
2.9 |
1.1 |
1.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
64.9 ± 25.4 |
53.7 ± 0.7 |
54.4 ± 0.7 |
193.7 ± 10.4 |
1.21 ± 0.48 |
0.34 ± 0.14 |
| VC |
63.3 ± 28.5 |
54.4 ± 0.7 |
55.0 ± 0.7 |
193.5 ± 10.4 |
1.17 ± 0.53 |
0.33 ± 0.16 |
| MX1 |
63.0 ± 28.3 |
51.7 ± 0.7 |
52.5 ± 0.7 |
194.2 ± 10.4 |
1.22 ± 0.56 |
0.33 ± 0.16 |
| MX2 |
63.4 ± 28.0 |
52.4 ± 0.7 |
53.1 ± 0.7 |
194.0 ± 10.4 |
1.21 ± 0.54 |
0.33 ± 0.16 |
| MX3 |
63.5 ± 28.0 |
52.5 ± 0.7 |
53.3 ± 0.7 |
194.0 ± 10.4 |
1.21 ± 0.54 |
0.33 ± 0.16 |
| RH8 |
16.7 ± 8.2 |
17.6 ± 0.2 |
18.5 ± 0.2 |
200.2 ± 10.1 |
0.94 ± 0.45 |
0.08 ± 0.04 |
| RH9 |
64.9 ± 23.9 |
56.4 ± 0.7 |
56.9 ± 0.7 |
192.9 ± 10.4 |
1.15 ± 0.43 |
0.34 ± 0.14 |
| RH10 |
64.9 ± 23.9 |
56.4 ± 0.7 |
56.9 ± 0.7 |
192.9 ± 10.4 |
1.15 ± 0.43 |
0.34 ± 0.14 |
| Average |
58.1 |
49.4 |
50.1 |
194.4 |
1.2 |
0.3 |
| Median |
63.5 |
53.7 |
54.4 |
194.0 |
1.2 |
0.3 |
| Deviation |
16.8 |
13.0 |
12.9 |
2.4 |
0.1 |
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 Aug 12 08:42:02 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
