Database: Wind Shock Analysis
Event ID: 20230740401
Observation time: 03/15/2023 74.16762 0401 [UT]
|
|
General
Information (About, Top)
| Year |
2023 |
| Fractional day of year |
74.167622 |
| Arrival time of shock [seconds of day] |
14482.5 ± 70.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
206.262 |
| Y GSE location of spacecraft [Re] |
-92.954 |
| Z GSE location of spacecraft [Re] |
-3.292 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0282 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0396 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.19, 7.36, 7.58 |
Event added to database
|
Wed Oct 11 16:35:44 2023
|
Event last processed
|
Thu Oct 12 10:29:59 2023
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
31.580 ± 1.306
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-410.4 ± 3.3 |
-538.4 ± 9.4 |
| Vy GSE [km/s] |
-14.6 ± 6.9 |
-57.0 ± 15.4 |
| Vz GSE [km/s] |
-3.4 ± 8.3 |
50.0 ± 20.1 |
| Wi [km/s] |
43.3 ± 1.6 |
83.6 ± 11.1 |
| We [km/s] |
1368.5 ± 50.7 |
2644.0 ± 351.8 |
| Ni [n/cc] |
8.9 ± 0.8 |
24.2 ± 3.5 |
| Bx GSE [nT] |
-6.0 ± 0.4 |
-10.6 ± 2.1 |
| By GSE [nT] |
4.8 ± 0.9 |
11.7 ± 4.4 |
| Bz GSE [nT] |
-1.6 ± 1.5 |
-5.2 ± 10.1 |
Plasma Beta
|
0.554 ± 0.533
|
1.017 ± 1.258
|
Sound Speed [km/s]
|
55.87 ± 2.07
|
107.94 ± 14.36
|
Alfven Speed [km/s]
|
58.62 ± 3.18
|
87.36 ± 12.01
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.943 ± 0.174 |
0.329 ± 0.490 |
-0.056 ± 0.056 |
-3.20 ± 35.20 |
160.74 ± 29.75 |
| VC |
-0.884 ± 0.058 |
-0.293 ± 0.103 |
0.364 ± 0.347 |
21.32 ± 7.92 |
198.31 ± 6.61 |
| MX1 |
-0.924 ± 0.131 |
-0.247 ± 0.435 |
0.291 ± 0.282 |
16.91 ± 12.43 |
194.94 ± 26.94 |
| MX2 |
-0.900 ± 0.085 |
-0.320 ± 0.219 |
0.295 ± 0.286 |
17.18 ± 6.75 |
199.59 ± 13.95 |
| MX3 |
-0.905 ± 0.080 |
-0.318 ± 0.203 |
0.282 ± 0.274 |
16.36 ± 8.00 |
199.39 ± 12.81 |
| RH08 |
-0.968 ± 0.004 |
-0.145 ± 0.014 |
0.207 ± 0.204 |
11.93 ± 0.97 |
188.52 ± 0.84 |
| RH09 |
-0.993 ± 0.008 |
-0.078 ± 0.069 |
0.084 ± 0.084 |
4.81 ± 4.02 |
184.51 ± 3.99 |
| RH10 |
-0.994 ± 0.007 |
-0.078 ± 0.069 |
0.073 ± 0.072 |
4.16 ± 4.03 |
184.51 ± 3.95 |
| Average |
-0.939 |
-0.144 |
0.192 |
11.184 |
188.813 |
| Median |
-0.924 |
-0.145 |
0.282 |
16.364 |
194.937 |
| Deviation |
0.043 |
0.216 |
0.144 |
8.416 |
12.989 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
23.5 ± 4.1 |
542.8 ± 3.7 |
2.64 ± 0.46 |
| VC |
65.2 ± 7.0 |
596.0 ± 3.6 |
2.64 ± 0.46 |
| MX1 |
60.6 ± 6.6 |
611.6 ± 3.7 |
2.64 ± 0.46 |
| MX2 |
64.7 ± 6.5 |
603.2 ± 3.7 |
2.64 ± 0.46 |
| MX3 |
64.2 ± 6.4 |
604.7 ± 3.7 |
2.64 ± 0.46 |
| RH08 |
53.0 ± 6.2 |
622.4 ± 3.8 |
2.64 ± 0.46 |
| RH09 |
46.8 ± 5.4 |
624.9 ± 3.8 |
2.64 ± 0.46 |
| RH10 |
46.6 ± 5.4 |
624.5 ± 34.1 |
2.64 ± 0.46 |
| Average |
53.1 |
603.7 |
2.64 |
| Median |
60.6 |
611.6 |
2.64 |
| Deviation |
14.2 |
26.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
160.6 ± 3.9 |
44.1 ± 0.7 |
53.7 ± 2.9 |
68.0 ± 1.2 |
3.64 ± 0.12 |
2.36 ± 0.08 |
| VC |
230.0 ± 4.3 |
17.3 ± 0.3 |
24.6 ± 1.3 |
79.2 ± 1.3 |
13.28 ± 0.37 |
2.91 ± 0.08 |
| MX1 |
229.6 ± 3.9 |
20.5 ± 0.3 |
28.8 ± 1.6 |
78.4 ± 1.3 |
11.21 ± 0.30 |
2.93 ± 0.08 |
| MX2 |
230.2 ± 4.1 |
17.7 ± 0.3 |
25.1 ± 1.4 |
79.1 ± 1.3 |
13.02 ± 0.35 |
2.91 ± 0.08 |
| MX3 |
229.5 ± 4.0 |
18.0 ± 0.3 |
25.5 ± 1.4 |
79.0 ± 1.3 |
12.75 ± 0.34 |
2.91 ± 0.08 |
| RH8 |
223.9 ± 3.6 |
25.6 ± 0.4 |
35.2 ± 1.9 |
76.9 ± 1.3 |
8.76 ± 0.22 |
2.91 ± 0.08 |
| RH9 |
216.3 ± 3.3 |
29.7 ± 0.5 |
40.1 ± 2.2 |
75.4 ± 1.3 |
7.29 ± 0.18 |
2.87 ± 0.07 |
| RH10 |
215.5 ± 3.3 |
29.8 ± 0.5 |
40.3 ± 2.2 |
75.4 ± 1.3 |
7.23 ± 0.18 |
2.86 ± 0.07 |
| Average |
217.0 |
25.3 |
34.2 |
76.4 |
9.6 |
2.8 |
| Median |
229.5 |
25.6 |
35.2 |
78.4 |
11.2 |
2.9 |
| Deviation |
23.6 |
9.2 |
10.3 |
3.8 |
3.5 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
56.9 ± 11.7 |
70.9 ± 5.2 |
80.1 ± 11.0 |
120.4 ± 7.4 |
0.81 ± 0.21 |
0.48 ± 0.12 |
| VC |
85.0 ± 9.1 |
28.5 ± 1.7 |
36.6 ± 5.0 |
136.9 ± 7.2 |
3.00 ± 0.44 |
0.62 ± 0.08 |
| MX1 |
85.3 ± 8.5 |
33.7 ± 2.0 |
42.9 ± 5.9 |
135.7 ± 7.1 |
2.55 ± 0.37 |
0.63 ± 0.08 |
| MX2 |
85.6 ± 8.7 |
29.1 ± 1.7 |
37.4 ± 5.1 |
136.8 ± 7.2 |
2.96 ± 0.42 |
0.63 ± 0.08 |
| MX3 |
85.1 ± 8.6 |
29.6 ± 1.7 |
38.0 ± 5.2 |
136.6 ± 7.2 |
2.89 ± 0.41 |
0.62 ± 0.08 |
| RH8 |
82.9 ± 8.3 |
41.9 ± 2.5 |
52.5 ± 7.2 |
133.4 ± 7.1 |
1.99 ± 0.30 |
0.62 ± 0.08 |
| RH9 |
81.4 ± 8.7 |
48.6 ± 3.0 |
59.8 ± 8.2 |
131.1 ± 7.1 |
1.69 ± 0.27 |
0.62 ± 0.09 |
| RH10 |
81.1 ± 8.7 |
48.8 ± 3.0 |
60.0 ± 8.3 |
131.0 ± 7.1 |
1.67 ± 0.27 |
0.62 ± 0.09 |
| Average |
80.4 |
41.4 |
50.9 |
132.7 |
2.2 |
0.6 |
| Median |
85.0 |
41.9 |
52.5 |
135.7 |
2.5 |
0.6 |
| Deviation |
9.7 |
14.6 |
15.3 |
5.5 |
0.8 |
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 Thu Oct 12 13:23:43 2023
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
