Database: Wind Shock Analysis
Event ID: 20241211143
Observation time: 04/30/2024 121.48859 1143 [UT]
|
|
General
Information (About, Top)
| Year |
2024 |
| Fractional day of year |
121.488594 |
| Arrival time of shock [seconds of day] |
42214.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
205.942 |
| Y GSE location of spacecraft [Re] |
84.240 |
| Z GSE location of spacecraft [Re] |
-5.214 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0147 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0189 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.55, 29.87, 35.29 |
Event added to database
|
Wed Aug 28 16:40:20 2024
|
Event last processed
|
Wed Aug 28 21:17:09 2024
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
185.690 ± 19.392
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-369.1 ± 1.6 |
-416.8 ± 6.0 |
| Vy GSE [km/s] |
0.8 ± 2.6 |
7.6 ± 3.6 |
| Vz GSE [km/s] |
-5.2 ± 3.6 |
-6.0 ± 2.8 |
| Wi [km/s] |
17.4 ± 0.6 |
23.7 ± 1.9 |
| We [km/s] |
551.8 ± 20.4 |
751.0 ± 60.5 |
| Ni [n/cc] |
7.8 ± 0.3 |
14.5 ± 1.4 |
| Bx GSE [nT] |
1.0 ± 0.3 |
-1.3 ± 1.1 |
| By GSE [nT] |
-0.2 ± 0.7 |
-2.1 ± 1.1 |
| Bz GSE [nT] |
1.7 ± 0.7 |
6.3 ± 0.5 |
Plasma Beta
|
1.134 ± 1.089
|
0.370 ± 0.390
|
Sound Speed [km/s]
|
22.53 ± 0.83
|
30.66 ± 2.47
|
Alfven Speed [km/s]
|
16.94 ± 2.47
|
39.67 ± 4.15
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.892 ± 0.108 |
-0.007 ± 0.266 |
-0.452 ± 0.418 |
-26.87 ± 13.69 |
180.44 ± 17.08 |
| VC |
-0.990 ± 0.010 |
0.137 ± 0.070 |
-0.013 ± 0.013 |
-0.77 ± 5.00 |
172.11 ± 4.08 |
| MX1 |
-0.938 ± 0.102 |
0.145 ± 0.439 |
-0.315 ± 0.304 |
-18.35 ± 14.07 |
171.22 ± 26.78 |
| MX2 |
-0.912 ± 0.055 |
0.250 ± 0.106 |
-0.324 ± 0.312 |
-18.92 ± 8.66 |
164.67 ± 6.62 |
| MX3 |
-0.912 ± 0.056 |
0.271 ± 0.128 |
-0.308 ± 0.298 |
-17.96 ± 8.12 |
163.45 ± 7.99 |
| RH08 |
-0.068 ± 0.024 |
-0.911 ± 0.008 |
-0.408 ± 0.384 |
-24.07 ± 1.07 |
265.74 ± 1.53 |
| RH09 |
-0.136 ± 0.070 |
0.938 ± 0.024 |
0.318 ± 0.307 |
18.57 ± 3.99 |
98.27 ± 4.26 |
| RH10 |
-0.004 ± 0.070 |
0.923 ± 0.027 |
0.385 ± 0.365 |
22.67 ± 4.03 |
90.25 ± 4.34 |
| Average |
-0.607 |
0.218 |
-0.140 |
-8.211 |
163.269 |
| Median |
-0.892 |
0.250 |
-0.308 |
-17.961 |
171.218 |
| Deviation |
0.447 |
0.580 |
0.330 |
19.415 |
54.109 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
38.5 ± 10.0 |
434.8 ± 4.1 |
1.81 ± 0.15 |
| VC |
59.8 ± 12.6 |
482.5 ± 4.4 |
1.81 ± 0.15 |
| MX1 |
45.0 ± 7.8 |
459.3 ± 4.3 |
1.81 ± 0.15 |
| MX2 |
45.0 ± 4.3 |
448.1 ± 4.2 |
1.81 ± 0.15 |
| MX3 |
45.9 ± 4.0 |
448.0 ± 4.2 |
1.81 ± 0.15 |
| RH08 |
73.7 ± 14.1 |
22.5 ± 1.4 |
1.81 ± 0.15 |
| RH09 |
83.9 ± 12.4 |
74.5 ± 1.6 |
1.81 ± 0.15 |
| RH10 |
76.9 ± 13.3 |
11.7 ± 6.1 |
1.81 ± 0.15 |
| Average |
58.6 |
297.7 |
1.81 |
| Median |
59.8 |
448.0 |
1.81 |
| Deviation |
17.5 |
217.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
103.3 ± 2.6 |
11.5 ± 1.1 |
13.3 ± 1.9 |
25.8 ± 0.5 |
9.04 ± 1.13 |
4.00 ± 0.17 |
| VC |
116.7 ± 1.8 |
7.0 ± 0.6 |
8.5 ± 1.2 |
27.4 ± 0.7 |
16.88 ± 1.74 |
4.26 ± 0.17 |
| MX1 |
111.4 ± 2.6 |
10.2 ± 0.9 |
12.0 ± 1.7 |
26.4 ± 0.6 |
11.03 ± 1.31 |
4.23 ± 0.18 |
| MX2 |
109.5 ± 2.8 |
10.2 ± 0.9 |
12.0 ± 1.7 |
26.4 ± 0.6 |
10.84 ± 1.32 |
4.16 ± 0.19 |
| MX3 |
109.7 ± 2.8 |
10.0 ± 0.9 |
11.8 ± 1.7 |
26.4 ± 0.6 |
11.06 ± 1.34 |
4.15 ± 0.19 |
| RH8 |
-3.9 ± 0.9 |
3.8 ± 0.3 |
4.8 ± 0.7 |
28.0 ± 0.8 |
-1.04 ± 0.33 |
-0.14 ± 0.04 |
| RH9 |
25.0 ± 1.5 |
1.4 ± 0.1 |
1.8 ± 0.3 |
28.2 ± 0.8 |
17.54 ± 2.54 |
0.89 ± 0.08 |
| RH10 |
11.4 ± 1.1 |
3.1 ± 0.3 |
3.8 ± 0.6 |
28.1 ± 0.8 |
3.79 ± 0.68 |
0.41 ± 0.05 |
| Average |
72.9 |
7.1 |
8.5 |
27.1 |
9.9 |
2.7 |
| Median |
109.5 |
10.0 |
11.8 |
27.4 |
11.0 |
4.2 |
| Deviation |
52.1 |
3.9 |
4.4 |
1.0 |
6.2 |
2.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
60.4 ± 5.9 |
20.8 ± 1.4 |
31.1 ± 3.3 |
45.7 ± 3.4 |
2.92 ± 0.40 |
1.33 ± 0.21 |
| VC |
68.5 ± 6.3 |
12.5 ± 0.8 |
19.9 ± 2.1 |
48.6 ± 3.4 |
5.50 ± 0.74 |
1.42 ± 0.21 |
| MX1 |
65.4 ± 6.4 |
18.3 ± 1.2 |
28.0 ± 2.9 |
46.8 ± 3.4 |
3.59 ± 0.49 |
1.41 ± 0.22 |
| MX2 |
64.0 ± 6.5 |
18.3 ± 1.2 |
28.1 ± 2.9 |
46.8 ± 3.4 |
3.51 ± 0.49 |
1.38 ± 0.22 |
| MX3 |
64.0 ± 6.5 |
18.0 ± 1.2 |
27.6 ± 2.9 |
46.9 ± 3.4 |
3.58 ± 0.50 |
1.38 ± 0.22 |
| RH8 |
-1.3 ± 3.0 |
6.8 ± 0.4 |
11.1 ± 1.2 |
49.8 ± 3.4 |
-0.19 ± 0.43 |
-0.03 ± 0.06 |
| RH9 |
12.4 ± 3.8 |
2.6 ± 0.2 |
4.2 ± 0.4 |
50.2 ± 3.4 |
4.82 ± 1.52 |
0.25 ± 0.08 |
| RH10 |
5.3 ± 3.3 |
5.5 ± 0.3 |
9.0 ± 0.9 |
49.9 ± 3.4 |
0.97 ± 0.58 |
0.11 ± 0.06 |
| Average |
42.3 |
12.9 |
19.9 |
48.1 |
3.1 |
0.9 |
| Median |
64.0 |
18.0 |
27.6 |
48.6 |
3.6 |
1.4 |
| Deviation |
30.8 |
7.0 |
10.4 |
1.7 |
1.9 |
0.7 |
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 21:48:37 2024
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
