CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20232600146
Observation time: 09/17/2023 260.07411 0146 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
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Wave speed and Mach numbers
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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2023
Fractional day of year 260.074115
Arrival time of shock [seconds of day] 6403.5 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 205.829
Y GSE location of spacecraft [Re] -82.818
Z GSE location of spacecraft [Re] -5.279
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0168
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0116
Minimum chisq/dof for RH8,RH9,RH10 6.52, 107.72, 129.51
Event added to database
Wed Oct 11 16:54:48 2023
Event last processed
Thu Oct 12 10:38:10 2023
Method selected
RH08
Propagation delay to Earth [minutes]
44.091 ± 0.787

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -433.7 ± 4.0 -473.7 ± 2.1
Vy GSE [km/s] 14.3 ± 9.5 34.9 ± 5.6
Vz GSE [km/s] 9.8 ± 4.3 8.1 ± 1.5
Wi [km/s] 43.4 ± 2.3 61.7 ± 3.0
We [km/s] 1372.1 ± 72.7 1951.1 ± 94.2
Ni [n/cc] 5.4 ± 0.8 12.2 ± 1.0
Bx GSE [nT] 0.2 ± 1.5 0.3 ± 0.7
By GSE [nT] -2.6 ± 3.0 -3.3 ± 1.3
Bz GSE [nT] -1.6 ± 0.3 -6.8 ± 0.3
Plasma Beta
1.214 ± 1.181
1.676 ± 1.635
Sound Speed [km/s]
56.02 ± 2.97
79.65 ± 3.84
Alfven Speed [km/s]
40.46 ± 7.41
47.68 ± 0.57

Best values of shock front normal for each method (About, Top)

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.363 ± 0.283 0.931 ± 0.112 -0.051 ± 0.051 -2.90 ± 24.46 111.29 ± 17.41
VC -0.899 ± 0.086 0.436 ± 0.178 -0.036 ± 0.036 -2.06 ± 4.81 154.11 ± 11.32
MX1 -0.922 ± 0.309 0.362 ± 0.783 0.139 ± 0.139 8.02 ± 12.82 158.58 ± 48.68
MX2 -0.887 ± 0.129 0.460 ± 0.248 0.038 ± 0.038 2.20 ± 15.53 152.60 ± 15.99
MX3 -0.921 ± 0.104 0.387 ± 0.245 0.051 ± 0.051 2.91 ± 13.71 157.22 ± 15.27
RH08 -0.995 ± 0.004 0.079 ± 0.045 -0.061 ± 0.061 -3.52 ± 2.22 175.49 ± 2.59
RH09 -0.958 ± 0.019 0.285 ± 0.065 0.017 ± 0.017 0.96 ± 4.05 163.45 ± 3.91
RH10 -0.958 ± 0.019 0.285 ± 0.065 0.017 ± 0.017 0.96 ± 4.05 163.45 ± 3.91
Average -0.863 0.403 0.014 0.820 154.525
Median -0.921 0.387 0.017 0.960 158.583
Deviation 0.205 0.244 0.066 3.762 18.881

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 27.4 ± 5.4 229.8 ± 3.5 2.08 ± 0.14
VC 51.3 ± 14.2 477.8 ± 2.6 2.08 ± 0.14
MX1 53.0 ± 10.0 487.1 ± 2.5 2.08 ± 0.14
MX2 49.0 ± 12.1 473.3 ± 2.7 2.08 ± 0.14
MX3 52.8 ± 12.1 487.1 ± 2.5 2.08 ± 0.14
RH08 88.2 ± 26.1 509.6 ± 1.9 2.08 ± 0.14
RH09 79.8 ± 35.6 501.4 ± 2.3 2.08 ± 0.14
RH10 79.8 ± 35.6 501.4 ± 8.6 2.08 ± 0.14
Average 60.2 458.4 2.08
Median 53.0 487.1 2.08
Deviation 20.5 93.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 59.7 ± 10.3 33.0 ± 5.0 35.9 ± 6.6 60.8 ± 4.8 1.81 ± 0.22 0.98 ± 0.14
VC 82.0 ± 7.6 21.4 ± 3.0 25.3 ± 4.6 65.8 ± 5.9 3.85 ± 0.36 1.25 ± 0.10
MX1 80.8 ± 7.0 20.6 ± 2.9 24.4 ± 4.5 66.1 ± 5.9 3.96 ± 0.40 1.23 ± 0.10
MX2 81.6 ± 7.8 22.7 ± 3.2 26.6 ± 4.9 65.4 ± 5.8 3.62 ± 0.35 1.25 ± 0.10
MX3 81.8 ± 7.2 20.7 ± 2.9 24.5 ± 4.5 66.1 ± 5.9 3.98 ± 0.39 1.24 ± 0.10
RH8 77.5 ± 4.7 1.0 ± 0.1 1.3 ± 0.2 69.2 ± 6.5 77.41 ± 7.54 1.12 ± 0.08
RH9 81.5 ± 6.4 5.8 ± 0.8 7.2 ± 1.3 69.0 ± 6.5 14.15 ± 1.34 1.18 ± 0.09
RH10 81.5 ± 6.4 5.8 ± 0.8 7.2 ± 1.3 69.0 ± 6.5 14.15 ± 1.34 1.18 ± 0.09
Average 78.3 16.4 19.0 66.4 15.4 1.2
Median 81.5 20.7 24.5 66.1 4.0 1.2
Deviation 7.7 10.9 12.2 2.8 25.5 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 25.9 ± 4.4 40.3 ± 0.6 42.3 ± 0.5 83.6 ± 3.6 0.64 ± 0.12 0.31 ± 0.06
VC 37.0 ± 0.9 26.7 ± 0.5 29.8 ± 0.4 88.9 ± 3.5 1.39 ± 0.05 0.42 ± 0.02
MX1 36.7 ± 0.8 25.6 ± 0.5 28.7 ± 0.3 89.2 ± 3.5 1.43 ± 0.05 0.41 ± 0.02
MX2 36.7 ± 1.1 28.2 ± 0.5 31.3 ± 0.4 88.5 ± 3.6 1.30 ± 0.06 0.42 ± 0.03
MX3 37.1 ± 0.8 25.7 ± 0.5 28.8 ± 0.3 89.2 ± 3.5 1.44 ± 0.05 0.42 ± 0.02
RH8 36.0 ± 1.7 1.3 ± 0.0 1.5 ± 0.0 92.8 ± 3.5 28.44 ± 0.87 0.39 ± 0.01
RH9 37.3 ± 0.7 7.3 ± 0.1 8.5 ± 0.1 92.6 ± 3.5 5.13 ± 0.12 0.40 ± 0.01
RH10 37.3 ± 0.7 7.3 ± 0.1 8.5 ± 0.1 92.6 ± 3.5 5.13 ± 0.12 0.40 ± 0.01
Average 35.5 20.3 22.4 89.7 5.6 0.4
Median 37.0 25.7 28.8 89.2 1.4 0.4
Deviation 3.9 13.4 14.3 3.1 9.4 0.0

Survey interval (About, Top)
Survey of solar wind interval
Selected data (About, Top)
Key plasma parameters
Survey
Velocity
V

Magnetic Field
B


Simple Methods (About, Top)
Simple methods
Rankine Chi^2 Contour (About, Top)

Chisq


Shock Speed (About, Top)
Shock Speed

Theta Bn (About, Top)
Theta Bn

Mach Numbers (About, Top)

Upstream wave speeds
Upstream Mach numbers
Downsteam wave speeds
Downstream mach numbers
Page updated Thu Oct 12 13:23:35 2023
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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