Database: Wind Shock Analysis
Event ID: 20192700528
Observation time: 09/27/2019 270.22790 0528 [UT]
|
|
General
Information (About, Top)
| Year |
2019 |
| Fractional day of year |
270.227899 |
| Arrival time of shock [seconds of day] |
19690.5 ± 40.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
234.598 |
| Y GSE location of spacecraft [Re] |
-95.938 |
| Z GSE location of spacecraft [Re] |
8.073 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0276 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0166 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.86, 31.16, 53.15 |
Event added to database
|
Tue Dec 10 17:54:35 2019
|
Event last processed
|
Tue Dec 10 19:11:35 2019
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
36.368 ± 2.981
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-341.8 ± 0.8 |
-373.8 ± 2.0 |
| Vy GSE [km/s] |
-10.0 ± 1.2 |
-39.9 ± 0.9 |
| Vz GSE [km/s] |
-1.3 ± 0.5 |
8.3 ± 1.0 |
| Wi [km/s] |
14.9 ± 0.2 |
22.3 ± 0.6 |
| We [km/s] |
472.2 ± 7.3 |
703.9 ± 19.5 |
| Ni [n/cc] |
6.3 ± 0.2 |
16.1 ± 0.4 |
| Bx GSE [nT] |
0.7 ± 0.1 |
0.9 ± 0.1 |
| By GSE [nT] |
-0.4 ± 0.1 |
-1.5 ± 0.3 |
| Bz GSE [nT] |
-1.1 ± 0.1 |
-2.9 ± 0.1 |
Plasma Beta
|
1.457 ± 1.488
|
1.437 ± 1.388
|
Sound Speed [km/s]
|
19.28 ± 0.30
|
28.74 ± 0.80
|
Alfven Speed [km/s]
|
12.39 ± 0.37
|
18.61 ± 0.58
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.929 ± 0.105 |
-0.338 ± 0.281 |
0.152 ± 0.151 |
8.76 ± 10.02 |
199.97 ± 17.31 |
| VC |
-0.714 ± 0.029 |
-0.667 ± 0.031 |
0.214 ± 0.211 |
12.38 ± 1.34 |
223.04 ± 2.49 |
| MX1 |
-0.748 ± 0.036 |
-0.591 ± 0.042 |
0.302 ± 0.293 |
17.59 ± 4.69 |
218.33 ± 2.99 |
| MX2 |
-0.736 ± 0.033 |
-0.602 ± 0.035 |
0.309 ± 0.299 |
18.01 ± 4.97 |
219.27 ± 2.41 |
| MX3 |
-0.729 ± 0.032 |
-0.608 ± 0.033 |
0.313 ± 0.303 |
18.26 ± 5.14 |
219.82 ± 2.16 |
| RH08 |
-0.772 ± 0.006 |
-0.573 ± 0.008 |
0.274 ± 0.267 |
15.89 ± 0.38 |
216.60 ± 0.58 |
| RH09 |
0.114 ± 0.077 |
-0.833 ± 0.021 |
0.542 ± 0.481 |
32.81 ± 1.98 |
277.77 ± 5.29 |
| RH10 |
-0.980 ± 0.014 |
0.129 ± 0.069 |
-0.151 ± 0.150 |
-8.68 ± 4.02 |
172.48 ± 4.04 |
| Average |
-0.687 |
-0.510 |
0.245 |
14.379 |
218.411 |
| Median |
-0.736 |
-0.591 |
0.302 |
17.590 |
219.269 |
| Deviation |
0.338 |
0.292 |
0.195 |
11.636 |
29.279 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
60.2 ± 6.1 |
388.4 ± 0.3 |
2.58 ± 0.09 |
| VC |
70.5 ± 4.8 |
324.4 ± 0.2 |
2.58 ± 0.09 |
| MX1 |
63.6 ± 4.8 |
334.6 ± 0.2 |
2.58 ± 0.09 |
| MX2 |
63.9 ± 4.8 |
330.8 ± 0.2 |
2.58 ± 0.09 |
| MX3 |
64.0 ± 4.7 |
328.5 ± 0.2 |
2.58 ± 0.09 |
| RH08 |
63.9 ± 5.0 |
342.6 ± 0.2 |
2.58 ± 0.09 |
| RH09 |
83.3 ± 2.1 |
11.6 ± 0.4 |
2.58 ± 0.09 |
| RH10 |
64.8 ± 6.5 |
375.9 ± 2.8 |
2.58 ± 0.09 |
| Average |
66.8 |
304.6 |
2.58 |
| Median |
64.0 |
334.6 |
2.58 |
| Deviation |
7.3 |
120.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
67.8 ± 0.9 |
5.3 ± 0.1 |
6.2 ± 0.2 |
22.3 ± 0.1 |
12.73 ± 0.34 |
3.04 ± 0.05 |
| VC |
74.0 ± 1.0 |
3.5 ± 0.1 |
4.1 ± 0.1 |
22.7 ± 0.1 |
21.05 ± 0.55 |
3.27 ± 0.06 |
| MX1 |
73.5 ± 0.9 |
4.7 ± 0.1 |
5.5 ± 0.2 |
22.4 ± 0.1 |
15.55 ± 0.40 |
3.28 ± 0.05 |
| MX2 |
73.5 ± 0.9 |
4.7 ± 0.1 |
5.5 ± 0.2 |
22.4 ± 0.1 |
15.69 ± 0.40 |
3.28 ± 0.05 |
| MX3 |
73.6 ± 0.9 |
4.7 ± 0.1 |
5.4 ± 0.2 |
22.4 ± 0.1 |
15.78 ± 0.41 |
3.28 ± 0.05 |
| RH8 |
73.4 ± 0.9 |
4.7 ± 0.1 |
5.4 ± 0.2 |
22.4 ± 0.1 |
15.68 ± 0.41 |
3.27 ± 0.05 |
| RH9 |
42.8 ± 1.0 |
1.2 ± 0.0 |
1.4 ± 0.0 |
22.9 ± 0.1 |
35.35 ± 1.07 |
1.87 ± 0.05 |
| RH10 |
42.0 ± 0.9 |
4.5 ± 0.1 |
5.3 ± 0.2 |
22.5 ± 0.1 |
9.28 ± 0.30 |
1.87 ± 0.04 |
| Average |
65.1 |
4.2 |
4.9 |
22.5 |
17.6 |
2.9 |
| Median |
73.5 |
4.7 |
5.4 |
22.4 |
15.7 |
3.3 |
| Deviation |
14.1 |
1.3 |
1.5 |
0.2 |
7.9 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
26.5 ± 1.7 |
8.0 ± 0.1 |
9.2 ± 0.3 |
33.3 ± 0.6 |
3.32 ± 0.20 |
0.80 ± 0.06 |
| VC |
29.2 ± 1.2 |
5.3 ± 0.1 |
6.2 ± 0.2 |
33.8 ± 0.6 |
5.54 ± 0.25 |
0.86 ± 0.05 |
| MX1 |
29.0 ± 1.3 |
7.1 ± 0.1 |
8.3 ± 0.3 |
33.5 ± 0.6 |
4.09 ± 0.20 |
0.87 ± 0.05 |
| MX2 |
29.0 ± 1.3 |
7.0 ± 0.1 |
8.2 ± 0.3 |
33.5 ± 0.6 |
4.13 ± 0.20 |
0.87 ± 0.05 |
| MX3 |
29.0 ± 1.3 |
7.0 ± 0.1 |
8.2 ± 0.3 |
33.5 ± 0.6 |
4.16 ± 0.20 |
0.87 ± 0.05 |
| RH8 |
28.9 ± 1.4 |
7.0 ± 0.1 |
8.2 ± 0.3 |
33.5 ± 0.6 |
4.12 ± 0.20 |
0.86 ± 0.05 |
| RH9 |
16.4 ± 1.4 |
1.8 ± 0.0 |
2.2 ± 0.1 |
34.2 ± 0.5 |
9.03 ± 0.87 |
0.48 ± 0.04 |
| RH10 |
15.9 ± 2.1 |
6.8 ± 0.1 |
7.9 ± 0.2 |
33.6 ± 0.6 |
2.35 ± 0.29 |
0.48 ± 0.07 |
| Average |
25.5 |
6.2 |
7.3 |
33.6 |
4.6 |
0.8 |
| Median |
29.0 |
7.0 |
8.2 |
33.5 |
4.1 |
0.9 |
| Deviation |
5.8 |
1.9 |
2.2 |
0.3 |
2.0 |
0.2 |
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)
| 
