Database: Wind Shock Analysis
Event ID: 20202150411
Observation time: 08/02/2020 215.17470 0411 [UT]
|
|
General
Information (About, Top)
| Year |
2020 |
| Fractional day of year |
215.174705 |
| Arrival time of shock [seconds of day] |
15094.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
261.863 |
| Y GSE location of spacecraft [Re] |
33.768 |
| Z GSE location of spacecraft [Re] |
5.726 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0211 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0129 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.14, 16.41, 17.67 |
Event added to database
|
Wed Jan 12 12:11:40 2022
|
Event last processed
|
Fri Jan 14 11:12:58 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
77.403 ± 15.278
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-319.1 ± 0.9 |
-333.5 ± 2.2 |
| Vy GSE [km/s] |
-2.3 ± 0.5 |
7.8 ± 1.7 |
| Vz GSE [km/s] |
0.6 ± 0.5 |
-16.1 ± 1.7 |
| Wi [km/s] |
18.9 ± 0.5 |
21.2 ± 1.3 |
| We [km/s] |
598.2 ± 16.7 |
668.9 ± 41.6 |
| Ni [n/cc] |
6.9 ± 0.2 |
9.6 ± 0.9 |
| Bx GSE [nT] |
-2.7 ± 0.1 |
-3.3 ± 0.2 |
| By GSE [nT] |
1.0 ± 0.1 |
-2.6 ± 0.4 |
| Bz GSE [nT] |
0.4 ± 0.1 |
1.2 ± 0.2 |
Plasma Beta
|
0.626 ± 0.631
|
0.481 ± 0.515
|
Sound Speed [km/s]
|
24.42 ± 0.68
|
27.31 ± 1.70
|
Alfven Speed [km/s]
|
23.93 ± 0.37
|
30.75 ± 1.56
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.965 ± 0.018 |
0.197 ± 0.083 |
0.175 ± 0.173 |
10.07 ± 2.40 |
168.48 ± 4.91 |
| VC |
-0.597 ± 0.067 |
0.421 ± 0.078 |
-0.683 ± 0.549 |
-43.09 ± 4.48 |
144.83 ± 6.84 |
| MX1 |
-0.852 ± 0.105 |
0.234 ± 0.051 |
0.468 ± 0.431 |
27.92 ± 13.19 |
164.66 ± 2.88 |
| MX2 |
-0.894 ± 0.022 |
0.053 ± 0.042 |
-0.445 ± 0.413 |
-26.43 ± 2.81 |
176.60 ± 2.72 |
| MX3 |
-0.752 ± 0.042 |
-0.021 ± 0.030 |
-0.659 ± 0.541 |
-41.21 ± 3.67 |
181.58 ± 2.27 |
| RH08 |
-0.785 ± 0.006 |
0.279 ± 0.008 |
0.553 ± 0.488 |
33.58 ± 0.65 |
160.45 ± 0.55 |
| RH09 |
-0.785 ± 0.035 |
0.279 ± 0.041 |
0.553 ± 0.488 |
33.58 ± 3.48 |
160.45 ± 2.91 |
| RH10 |
-0.785 ± 0.038 |
0.279 ± 0.047 |
0.553 ± 0.488 |
33.58 ± 3.77 |
160.45 ± 3.28 |
| Average |
-0.802 |
0.215 |
0.064 |
3.499 |
164.686 |
| Median |
-0.785 |
0.279 |
0.468 |
27.919 |
164.657 |
| Deviation |
0.109 |
0.140 |
0.565 |
34.680 |
11.276 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
8.8 ± 1.8 |
355.2 ± 1.7 |
1.40 ± 0.14 |
| VC |
53.3 ± 3.1 |
273.5 ± 6.2 |
1.40 ± 0.14 |
| MX1 |
20.0 ± 3.1 |
298.1 ± 0.8 |
1.40 ± 0.14 |
| MX2 |
38.4 ± 2.4 |
358.5 ± 4.3 |
1.40 ± 0.14 |
| MX3 |
53.4 ± 2.5 |
314.7 ± 5.0 |
1.40 ± 0.14 |
| RH08 |
25.2 ± 3.0 |
270.2 ± 1.0 |
1.40 ± 0.14 |
| RH09 |
25.2 ± 3.0 |
270.2 ± 1.0 |
1.40 ± 0.14 |
| RH10 |
25.2 ± 3.0 |
270.2 ± 5.3 |
1.40 ± 0.14 |
| Average |
31.2 |
301.3 |
1.40 |
| Median |
25.2 |
298.1 |
1.40 |
| Deviation |
15.9 |
37.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
47.8 ± 1.0 |
22.2 ± 0.4 |
23.6 ± 0.4 |
26.0 ± 0.5 |
2.15 ± 0.06 |
1.84 ± 0.06 |
| VC |
84.4 ± 0.6 |
10.8 ± 0.2 |
14.3 ± 0.2 |
32.5 ± 0.6 |
7.85 ± 0.15 |
2.60 ± 0.05 |
| MX1 |
26.5 ± 1.0 |
19.6 ± 0.3 |
22.5 ± 0.3 |
28.0 ± 0.5 |
1.35 ± 0.06 |
0.94 ± 0.04 |
| MX2 |
73.7 ± 0.7 |
14.9 ± 0.3 |
18.8 ± 0.3 |
30.8 ± 0.5 |
4.95 ± 0.11 |
2.39 ± 0.05 |
| MX3 |
75.1 ± 0.5 |
10.7 ± 0.2 |
14.3 ± 0.2 |
32.5 ± 0.6 |
7.00 ± 0.14 |
2.31 ± 0.05 |
| RH8 |
20.0 ± 1.0 |
18.3 ± 0.3 |
21.6 ± 0.3 |
28.9 ± 0.5 |
1.09 ± 0.06 |
0.69 ± 0.04 |
| RH9 |
20.0 ± 1.0 |
18.3 ± 0.3 |
21.6 ± 0.3 |
28.9 ± 0.5 |
1.09 ± 0.06 |
0.69 ± 0.04 |
| RH10 |
20.0 ± 1.0 |
18.3 ± 0.3 |
21.6 ± 0.3 |
28.9 ± 0.5 |
1.09 ± 0.06 |
0.69 ± 0.04 |
| Average |
45.9 |
16.6 |
19.8 |
29.5 |
3.3 |
1.5 |
| Median |
47.8 |
18.3 |
21.6 |
28.9 |
2.2 |
1.8 |
| Deviation |
28.0 |
4.2 |
3.7 |
2.2 |
2.8 |
0.8 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
34.7 ± 2.2 |
26.0 ± 1.2 |
30.4 ± 1.5 |
31.9 ± 1.1 |
1.34 ± 0.15 |
1.09 ± 0.03 |
| VC |
60.1 ± 1.4 |
12.8 ± 0.3 |
18.4 ± 0.9 |
39.1 ± 0.5 |
4.70 ± 0.13 |
1.54 ± 0.03 |
| MX1 |
19.6 ± 2.3 |
23.1 ± 0.7 |
28.9 ± 1.5 |
34.1 ± 0.7 |
0.85 ± 0.13 |
0.57 ± 0.06 |
| MX2 |
52.8 ± 1.5 |
17.7 ± 0.4 |
24.1 ± 1.2 |
37.2 ± 0.5 |
2.99 ± 0.15 |
1.42 ± 0.03 |
| MX3 |
53.5 ± 1.2 |
12.8 ± 0.3 |
18.3 ± 0.9 |
39.1 ± 0.5 |
4.19 ± 0.16 |
1.37 ± 0.03 |
| RH8 |
15.0 ± 2.2 |
21.7 ± 0.6 |
27.8 ± 1.4 |
35.0 ± 0.6 |
0.70 ± 0.12 |
0.43 ± 0.06 |
| RH9 |
15.0 ± 2.2 |
21.7 ± 0.6 |
27.8 ± 1.4 |
35.0 ± 0.6 |
0.70 ± 0.12 |
0.43 ± 0.06 |
| RH10 |
15.0 ± 2.2 |
21.7 ± 0.6 |
27.8 ± 1.4 |
35.0 ± 0.6 |
0.70 ± 0.12 |
0.43 ± 0.06 |
| Average |
33.2 |
19.7 |
25.4 |
35.8 |
2.0 |
0.9 |
| Median |
34.7 |
21.7 |
27.8 |
35.0 |
1.3 |
1.1 |
| Deviation |
19.6 |
4.8 |
4.7 |
2.5 |
1.7 |
0.5 |
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 Jan 14 13:41:38 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
