Database: Wind Shock Analysis
Event ID: 20241061730
Observation time: 04/15/2024 106.72981 1730 [UT]
|
|
General
Information (About, Top)
| Year |
2024 |
| Fractional day of year |
106.729809 |
| Arrival time of shock [seconds of day] |
63055.5 ± 40.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
199.320 |
| Y GSE location of spacecraft [Re] |
43.702 |
| Z GSE location of spacecraft [Re] |
-9.502 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0215 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0171 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.27, 8.29, 9.37 |
Event added to database
|
Wed Aug 28 16:39:00 2024
|
Event last processed
|
Wed Aug 28 21:16:39 2024
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-296.364 ± *********
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-328.7 ± 3.1 |
-361.2 ± 7.9 |
| Vy GSE [km/s] |
-13.9 ± 3.5 |
-16.6 ± 1.9 |
| Vz GSE [km/s] |
0.9 ± 2.9 |
11.7 ± 8.7 |
| Wi [km/s] |
25.9 ± 1.2 |
32.6 ± 3.5 |
| We [km/s] |
819.3 ± 37.1 |
1029.9 ± 109.5 |
| Ni [n/cc] |
10.2 ± 0.3 |
15.9 ± 0.9 |
| Bx GSE [nT] |
-2.0 ± 0.5 |
0.6 ± 3.6 |
| By GSE [nT] |
-2.5 ± 0.6 |
-3.2 ± 1.1 |
| Bz GSE [nT] |
-3.0 ± 0.4 |
0.7 ± 4.5 |
Plasma Beta
|
0.737 ± 0.789
|
1.148 ± 1.413
|
Sound Speed [km/s]
|
33.45 ± 1.52
|
42.05 ± 4.47
|
Alfven Speed [km/s]
|
30.34 ± 1.19
|
33.51 ± 7.89
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.933 ± 0.261 |
-0.155 ± 1.094 |
-0.324 ± 0.312 |
-18.90 ± 33.62 |
189.45 ± 67.16 |
| VC |
-0.935 ± 0.100 |
-0.093 ± 0.124 |
0.341 ± 0.327 |
19.95 ± 16.78 |
185.71 ± 7.55 |
| MX1 |
-0.958 ± 0.161 |
-0.028 ± 0.572 |
0.286 ± 0.278 |
16.60 ± 32.19 |
181.65 ± 34.23 |
| MX2 |
-0.892 ± 0.109 |
0.085 ± 0.393 |
0.443 ± 0.412 |
26.31 ± 13.34 |
174.56 ± 25.22 |
| MX3 |
-0.919 ± 0.112 |
0.020 ± 0.320 |
0.394 ± 0.372 |
23.22 ± 16.25 |
178.77 ± 19.93 |
| RH08 |
-0.108 ± 0.022 |
0.984 ± 0.004 |
0.140 ± 0.139 |
8.03 ± 1.46 |
96.27 ± 1.26 |
| RH09 |
-0.159 ± 0.069 |
0.976 ± 0.015 |
0.151 ± 0.150 |
8.68 ± 4.03 |
99.28 ± 4.07 |
| RH10 |
-0.142 ± 0.069 |
0.978 ± 0.015 |
0.151 ± 0.150 |
8.68 ± 4.03 |
98.27 ± 4.07 |
| Average |
-0.631 |
0.346 |
0.198 |
11.569 |
150.494 |
| Median |
-0.892 |
0.085 |
0.286 |
16.597 |
178.767 |
| Deviation |
0.410 |
0.529 |
0.241 |
14.175 |
43.749 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
42.9 ± 8.3 |
386.9 ± 3.9 |
1.56 ± 0.10 |
| VC |
75.4 ± 4.4 |
408.6 ± 1.8 |
1.56 ± 0.10 |
| MX1 |
74.8 ± 5.1 |
411.9 ± 1.9 |
1.56 ± 0.10 |
| MX2 |
86.4 ± 4.9 |
389.1 ± 1.8 |
1.56 ± 0.10 |
| MX3 |
81.7 ± 4.8 |
401.8 ± 1.8 |
1.56 ± 0.10 |
| RH08 |
52.3 ± 11.2 |
29.4 ± 1.4 |
1.56 ± 0.10 |
| RH09 |
53.9 ± 11.2 |
51.6 ± 1.5 |
1.56 ± 0.10 |
| RH10 |
53.2 ± 11.2 |
44.4 ± 7.7 |
1.56 ± 0.10 |
| Average |
65.1 |
265.5 |
1.56 |
| Median |
74.8 |
389.1 |
1.56 |
| Deviation |
16.3 |
185.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
78.4 ± 3.1 |
17.9 ± 0.2 |
22.2 ± 0.9 |
41.5 ± 0.7 |
4.38 ± 0.22 |
1.89 ± 0.09 |
| VC |
99.6 ± 2.2 |
5.7 ± 0.1 |
7.6 ± 0.3 |
44.8 ± 0.7 |
17.50 ± 0.56 |
2.22 ± 0.08 |
| MX1 |
96.4 ± 2.5 |
5.9 ± 0.1 |
8.0 ± 0.3 |
44.8 ± 0.7 |
16.27 ± 0.57 |
2.15 ± 0.08 |
| MX2 |
96.6 ± 2.5 |
1.4 ± 0.0 |
1.9 ± 0.1 |
45.2 ± 0.7 |
67.88 ± 2.35 |
2.14 ± 0.08 |
| MX3 |
99.7 ± 2.4 |
3.3 ± 0.0 |
4.4 ± 0.2 |
45.1 ± 0.7 |
30.60 ± 1.02 |
2.21 ± 0.08 |
| RH8 |
7.4 ± 3.6 |
14.5 ± 0.2 |
18.5 ± 0.7 |
42.8 ± 0.7 |
0.51 ± 0.25 |
0.17 ± 0.08 |
| RH9 |
12.7 ± 3.7 |
13.9 ± 0.2 |
17.9 ± 0.7 |
43.0 ± 0.7 |
0.91 ± 0.27 |
0.29 ± 0.09 |
| RH10 |
11.1 ± 3.7 |
14.2 ± 0.2 |
18.2 ± 0.7 |
42.9 ± 0.7 |
0.79 ± 0.26 |
0.26 ± 0.09 |
| Average |
62.8 |
9.6 |
12.3 |
43.8 |
17.4 |
1.4 |
| Median |
96.4 |
13.9 |
17.9 |
44.8 |
16.3 |
2.1 |
| Deviation |
43.9 |
6.2 |
7.7 |
1.4 |
23.1 |
1.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
51.1 ± 9.9 |
20.0 ± 2.1 |
24.6 ± 5.8 |
50.5 ± 1.5 |
2.54 ± 0.28 |
1.01 ± 0.17 |
| VC |
65.3 ± 4.3 |
6.4 ± 0.6 |
8.4 ± 2.0 |
54.0 ± 2.0 |
10.17 ± 0.48 |
1.21 ± 0.04 |
| MX1 |
62.1 ± 5.0 |
6.7 ± 0.6 |
8.8 ± 2.1 |
53.9 ± 2.0 |
9.29 ± 0.40 |
1.15 ± 0.05 |
| MX2 |
63.1 ± 3.3 |
1.6 ± 0.2 |
2.1 ± 0.5 |
54.3 ± 2.0 |
39.31 ± 2.11 |
1.16 ± 0.02 |
| MX3 |
65.6 ± 3.8 |
3.7 ± 0.3 |
4.9 ± 1.1 |
54.2 ± 2.0 |
17.87 ± 0.90 |
1.21 ± 0.03 |
| RH8 |
5.0 ± 1.6 |
16.2 ± 1.6 |
20.5 ± 4.8 |
51.8 ± 1.7 |
0.31 ± 0.08 |
0.10 ± 0.03 |
| RH9 |
8.4 ± 1.8 |
15.6 ± 1.6 |
19.8 ± 4.7 |
52.0 ± 1.7 |
0.54 ± 0.09 |
0.16 ± 0.03 |
| RH10 |
7.5 ± 1.7 |
15.9 ± 1.6 |
20.1 ± 4.7 |
52.0 ± 1.7 |
0.47 ± 0.08 |
0.14 ± 0.03 |
| Average |
41.0 |
10.8 |
13.6 |
52.8 |
10.1 |
0.8 |
| Median |
62.1 |
15.6 |
19.8 |
53.9 |
9.3 |
1.2 |
| Deviation |
28.6 |
6.9 |
8.5 |
1.4 |
13.4 |
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 Wed Aug 28 21:48:54 2024
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
