Database: Wind Shock Analysis
Event ID: 20232910231
Observation time: 10/18/2023 291.10509 0231 [UT]
|
|
General
Information (About, Top)
| Year |
2023 |
| Fractional day of year |
291.105087 |
| Arrival time of shock [seconds of day] |
9079.5 ± 40.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
197.577 |
| Y GSE location of spacecraft [Re] |
22.122 |
| Z GSE location of spacecraft [Re] |
-10.472 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0150 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0119 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.69, 101.87, 164.63 |
Event added to database
|
Wed Aug 28 15:37:58 2024
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Event last processed
|
Wed Aug 28 21:09:09 2024
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
56.327 ± 1.352
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-290.0 ± 0.9 |
-316.8 ± 0.8 |
| Vy GSE [km/s] |
-17.9 ± 0.5 |
-34.5 ± 0.7 |
| Vz GSE [km/s] |
-0.5 ± 0.4 |
-3.9 ± 0.9 |
| Wi [km/s] |
13.4 ± 0.2 |
18.7 ± 0.2 |
| We [km/s] |
424.6 ± 7.0 |
591.5 ± 6.2 |
| Ni [n/cc] |
8.8 ± 0.3 |
17.2 ± 0.2 |
| Bx GSE [nT] |
-1.2 ± 0.1 |
-2.1 ± 0.1 |
| By GSE [nT] |
1.2 ± 0.0 |
2.7 ± 0.1 |
| Bz GSE [nT] |
-0.0 ± 0.1 |
-0.0 ± 0.2 |
Plasma Beta
|
1.228 ± 1.254
|
1.112 ± 1.117
|
Sound Speed [km/s]
|
17.33 ± 0.29
|
24.15 ± 0.25
|
Alfven Speed [km/s]
|
12.13 ± 0.41
|
17.77 ± 0.62
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.881 ± 0.035 |
-0.472 ± 0.059 |
-0.042 ± 0.042 |
-2.42 ± 25.43 |
208.20 ± 3.78 |
| VC |
-0.844 ± 0.008 |
-0.525 ± 0.013 |
-0.110 ± 0.109 |
-6.30 ± 1.54 |
211.92 ± 0.88 |
| MX1 |
-0.853 ± 0.015 |
-0.510 ± 0.025 |
-0.109 ± 0.108 |
-6.23 ± 1.57 |
210.85 ± 1.67 |
| MX2 |
-0.853 ± 0.015 |
-0.510 ± 0.025 |
-0.109 ± 0.109 |
-6.28 ± 1.56 |
210.86 ± 1.66 |
| MX3 |
-0.853 ± 0.015 |
-0.510 ± 0.025 |
-0.110 ± 0.110 |
-6.33 ± 1.56 |
210.87 ± 1.65 |
| RH08 |
-0.854 ± 0.005 |
-0.505 ± 0.008 |
-0.128 ± 0.128 |
-7.38 ± 0.58 |
210.58 ± 0.55 |
| RH09 |
-0.380 ± 0.047 |
-0.216 ± 0.055 |
-0.899 ± 0.489 |
-64.08 ± 2.75 |
209.58 ± 7.60 |
| RH10 |
-0.380 ± 0.065 |
-0.216 ± 0.069 |
-0.899 ± 0.489 |
-64.08 ± 4.01 |
209.58 ± 9.22 |
| Average |
-0.737 |
-0.433 |
-0.301 |
-20.390 |
210.304 |
| Median |
-0.853 |
-0.505 |
-0.110 |
-6.303 |
210.849 |
| Deviation |
0.221 |
0.135 |
0.370 |
27.008 |
1.138 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
73.8 ± 0.6 |
328.4 ± 0.3 |
1.98 ± 0.03 |
| VC |
77.5 ± 0.5 |
318.9 ± 0.3 |
1.98 ± 0.03 |
| MX1 |
76.5 ± 0.5 |
321.5 ± 0.3 |
1.98 ± 0.03 |
| MX2 |
76.5 ± 0.5 |
321.4 ± 0.3 |
1.98 ± 0.03 |
| MX3 |
76.5 ± 0.5 |
321.4 ± 0.3 |
1.98 ± 0.03 |
| RH08 |
76.2 ± 0.5 |
321.5 ± 0.3 |
1.98 ± 0.03 |
| RH09 |
83.3 ± 2.6 |
149.1 ± 0.2 |
1.98 ± 0.03 |
| RH10 |
83.3 ± 2.6 |
149.1 ± 1.0 |
1.98 ± 0.03 |
| Average |
78.0 |
278.9 |
1.98 |
| Median |
76.5 |
321.4 |
1.98 |
| Deviation |
3.5 |
80.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
64.6 ± 1.0 |
2.8 ± 0.1 |
3.4 ± 0.1 |
21.0 ± 0.4 |
23.09 ± 0.91 |
3.08 ± 0.11 |
| VC |
64.8 ± 1.0 |
2.2 ± 0.1 |
2.6 ± 0.1 |
21.0 ± 0.4 |
30.11 ± 1.18 |
3.08 ± 0.11 |
| MX1 |
64.8 ± 1.0 |
2.3 ± 0.1 |
2.8 ± 0.1 |
21.0 ± 0.4 |
27.76 ± 1.09 |
3.08 ± 0.11 |
| MX2 |
64.8 ± 1.0 |
2.3 ± 0.1 |
2.8 ± 0.1 |
21.0 ± 0.4 |
27.78 ± 1.09 |
3.08 ± 0.11 |
| MX3 |
64.8 ± 1.0 |
2.3 ± 0.1 |
2.8 ± 0.1 |
21.0 ± 0.4 |
27.80 ± 1.09 |
3.08 ± 0.11 |
| RH8 |
64.8 ± 1.0 |
2.4 ± 0.1 |
2.9 ± 0.1 |
21.0 ± 0.4 |
27.29 ± 1.07 |
3.08 ± 0.11 |
| RH9 |
34.7 ± 0.8 |
1.2 ± 0.0 |
1.4 ± 0.0 |
21.1 ± 0.4 |
29.84 ± 1.32 |
1.64 ± 0.07 |
| RH10 |
34.7 ± 0.8 |
1.2 ± 0.0 |
1.4 ± 0.0 |
21.1 ± 0.4 |
29.84 ± 1.32 |
1.64 ± 0.07 |
| Average |
57.2 |
2.1 |
2.5 |
21.0 |
27.9 |
2.7 |
| Median |
64.8 |
2.3 |
2.8 |
21.0 |
27.8 |
3.1 |
| Deviation |
13.9 |
0.6 |
0.7 |
0.1 |
2.3 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
33.0 ± 0.9 |
4.0 ± 0.1 |
5.0 ± 0.2 |
29.7 ± 0.3 |
8.19 ± 0.37 |
1.11 ± 0.04 |
| VC |
33.1 ± 0.9 |
3.1 ± 0.1 |
3.8 ± 0.1 |
29.8 ± 0.3 |
10.67 ± 0.47 |
1.11 ± 0.04 |
| MX1 |
33.1 ± 0.9 |
3.4 ± 0.1 |
4.2 ± 0.1 |
29.8 ± 0.3 |
9.84 ± 0.43 |
1.11 ± 0.04 |
| MX2 |
33.1 ± 0.9 |
3.4 ± 0.1 |
4.1 ± 0.1 |
29.8 ± 0.3 |
9.85 ± 0.43 |
1.11 ± 0.04 |
| MX3 |
33.1 ± 0.9 |
3.4 ± 0.1 |
4.1 ± 0.1 |
29.8 ± 0.3 |
9.85 ± 0.43 |
1.11 ± 0.04 |
| RH8 |
33.1 ± 0.9 |
3.4 ± 0.1 |
4.2 ± 0.1 |
29.8 ± 0.3 |
9.67 ± 0.42 |
1.11 ± 0.04 |
| RH9 |
17.8 ± 0.7 |
1.7 ± 0.0 |
2.1 ± 0.1 |
29.9 ± 0.3 |
10.61 ± 0.56 |
0.59 ± 0.03 |
| RH10 |
17.8 ± 0.7 |
1.7 ± 0.0 |
2.1 ± 0.1 |
29.9 ± 0.3 |
10.61 ± 0.56 |
0.59 ± 0.03 |
| Average |
29.2 |
3.0 |
3.7 |
29.8 |
9.9 |
1.0 |
| Median |
33.1 |
3.4 |
4.1 |
29.8 |
9.9 |
1.1 |
| Deviation |
7.1 |
0.9 |
1.1 |
0.1 |
0.8 |
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 Aug 28 21:49:33 2024
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
