CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20221570944
Observation time: 06/06/2022 157.40595 0944 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
Key parameters
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 2022
Fractional day of year 157.405955
Arrival time of shock [seconds of day] 35074.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 223.324
Y GSE location of spacecraft [Re] 104.680
Z GSE location of spacecraft [Re] 1.802
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0252
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0230
Minimum chisq/dof for RH8,RH9,RH10 5.61, 15.26, 16.25
Event added to database
Fri Aug 12 08:08:19 2022
Event last processed
Fri Aug 12 08:34:09 2022
Method selected
RH08
Propagation delay to Earth [minutes]
56.316 ± 0.432

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -276.0 ± 0.9 -316.6 ± 0.8
Vy GSE [km/s] 5.3 ± 0.3 24.3 ± 2.7
Vz GSE [km/s] -6.6 ± 0.5 -5.2 ± 1.5
Wi [km/s] 18.5 ± 0.5 29.3 ± 4.7
We [km/s] 583.8 ± 14.3 925.0 ± 148.7
Ni [n/cc] 19.0 ± 0.8 43.3 ± 1.9
Bx GSE [nT] -0.1 ± 0.2 -0.0 ± 0.5
By GSE [nT] 1.2 ± 0.3 0.8 ± 1.2
Bz GSE [nT] -3.3 ± 0.2 -8.2 ± 0.3
Plasma Beta
1.107 ± 1.137
1.152 ± 1.034
Sound Speed [km/s]
23.83 ± 0.58
37.76 ± 6.07
Alfven Speed [km/s]
17.61 ± 0.82
27.71 ± 1.74

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.796 ± 0.645 0.600 ± 0.856 -0.080 ± 0.080 -4.61 ± 12.22 143.02 ± 61.58
VC -0.905 ± 0.022 0.424 ± 0.048 0.030 ± 0.030 1.71 ± 1.78 154.93 ± 3.03
MX1 -0.893 ± 0.020 0.447 ± 0.040 -0.047 ± 0.047 -2.72 ± 6.04 153.41 ± 2.56
MX2 -0.904 ± 0.021 0.426 ± 0.044 -0.041 ± 0.041 -2.34 ± 5.62 154.75 ± 2.79
MX3 -0.909 ± 0.024 0.415 ± 0.053 -0.038 ± 0.038 -2.16 ± 5.45 155.46 ± 3.34
RH08 -0.942 ± 0.003 0.335 ± 0.009 0.017 ± 0.017 0.96 ± 0.71 160.45 ± 0.54
RH09 -0.963 ± 0.018 0.268 ± 0.066 0.006 ± 0.006 0.32 ± 4.05 164.46 ± 3.94
RH10 -0.963 ± 0.018 0.268 ± 0.066 0.006 ± 0.006 0.32 ± 4.05 164.46 ± 3.94
Average -0.910 0.398 -0.019 -1.064 156.366
Median -0.905 0.424 0.006 0.320 155.460
Deviation 0.053 0.109 0.038 2.197 6.969

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 72.9 ± 4.6 300.9 ± 0.7 2.30 ± 0.18
VC 82.3 ± 4.4 331.2 ± 0.7 2.30 ± 0.18
MX1 77.7 ± 4.4 328.4 ± 0.7 2.30 ± 0.18
MX2 78.4 ± 4.3 331.1 ± 0.7 2.30 ± 0.18
MX3 78.8 ± 4.3 332.5 ± 0.7 2.30 ± 0.18
RH08 83.3 ± 4.2 340.6 ± 0.7 2.30 ± 0.18
RH09 83.9 ± 4.1 345.5 ± 0.6 2.30 ± 0.18
RH10 83.9 ± 4.1 345.5 ± 4.8 2.30 ± 0.18
Average 80.2 332.0 2.30
Median 82.3 332.5 2.30
Deviation 3.9 14.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 77.5 ± 0.6 4.2 ± 0.1 5.2 ± 0.2 29.3 ± 0.5 18.49 ± 0.63 2.64 ± 0.06
VC 79.3 ± 0.8 1.9 ± 0.1 2.4 ± 0.1 29.6 ± 0.6 41.93 ± 1.50 2.68 ± 0.07
MX1 79.2 ± 0.8 3.0 ± 0.1 3.8 ± 0.2 29.5 ± 0.5 26.07 ± 0.92 2.69 ± 0.07
MX2 79.2 ± 0.8 2.9 ± 0.1 3.5 ± 0.2 29.5 ± 0.6 27.78 ± 0.99 2.69 ± 0.07
MX3 79.2 ± 0.8 2.8 ± 0.1 3.4 ± 0.2 29.5 ± 0.6 28.73 ± 1.03 2.68 ± 0.07
RH8 78.9 ± 0.8 1.7 ± 0.0 2.1 ± 0.1 29.6 ± 0.6 47.66 ± 1.74 2.67 ± 0.07
RH9 78.2 ± 0.9 1.5 ± 0.0 1.9 ± 0.1 29.6 ± 0.6 52.30 ± 1.93 2.64 ± 0.07
RH10 78.2 ± 0.9 1.5 ± 0.0 1.9 ± 0.1 29.6 ± 0.6 52.30 ± 1.93 2.64 ± 0.07
Average 78.7 2.4 3.0 29.5 36.9 2.7
Median 79.2 2.8 3.4 29.6 41.9 2.7
Deviation 0.7 1.0 1.2 0.1 13.2 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 33.8 ± 1.7 6.6 ± 0.4 8.1 ± 0.5 46.5 ± 5.1 5.16 ± 0.38 0.73 ± 0.07
VC 34.4 ± 1.4 3.0 ± 0.2 3.7 ± 0.2 46.9 ± 5.1 11.62 ± 0.81 0.74 ± 0.07
MX1 34.4 ± 1.4 4.8 ± 0.3 5.9 ± 0.4 46.7 ± 5.1 7.24 ± 0.50 0.74 ± 0.07
MX2 34.4 ± 1.4 4.5 ± 0.2 5.6 ± 0.3 46.7 ± 5.1 7.72 ± 0.53 0.74 ± 0.07
MX3 34.4 ± 1.3 4.3 ± 0.2 5.4 ± 0.3 46.8 ± 5.1 7.97 ± 0.54 0.74 ± 0.07
RH8 34.2 ± 1.2 2.6 ± 0.1 3.2 ± 0.2 46.9 ± 5.1 13.22 ± 0.90 0.74 ± 0.07
RH9 34.0 ± 1.1 2.3 ± 0.1 2.9 ± 0.2 46.9 ± 5.1 14.51 ± 0.97 0.73 ± 0.07
RH10 34.0 ± 1.1 2.3 ± 0.1 2.9 ± 0.2 46.9 ± 5.1 14.51 ± 0.97 0.73 ± 0.07
Average 34.2 3.8 4.7 46.8 10.2 0.7
Median 34.4 4.3 5.4 46.9 11.6 0.7
Deviation 0.2 1.5 1.8 0.1 3.7 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 Fri Aug 12 08:39:02 2022
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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