CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20220980359
Observation time: 04/08/2022 98.16661 0359 [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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Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2022
Fractional day of year 98.166615
Arrival time of shock [seconds of day] 14395.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 199.966
Y GSE location of spacecraft [Re] -56.110
Z GSE location of spacecraft [Re] -8.462
Upstream plasma points selected for analysis 0004
Upstream field points selected for analysis 0121
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0194
Minimum chisq/dof for RH8,RH9,RH10 9.91, 18.22, 19.74
Event added to database
Fri Aug 12 07:59:25 2022
Event last processed
Fri Aug 12 08:31:55 2022
Method selected
RH08
Propagation delay to Earth [minutes]
43.958 ± 4.926

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -364.4 ± 0.4 -381.9 ± 0.5
Vy GSE [km/s] -17.4 ± 1.0 -22.3 ± 0.9
Vz GSE [km/s] -8.5 ± 0.2 -22.0 ± 1.3
Wi [km/s] 12.8 ± 0.5 15.1 ± 0.4
We [km/s] 404.3 ± 15.9 478.3 ± 11.8
Ni [n/cc] 9.0 ± 0.3 14.5 ± 0.4
Bx GSE [nT] -2.7 ± 0.1 -3.4 ± 0.2
By GSE [nT] -3.1 ± 0.1 -4.9 ± 0.1
Bz GSE [nT] 3.4 ± 0.1 6.3 ± 0.3
Plasma Beta
0.109 ± 0.115
0.094 ± 0.090
Sound Speed [km/s]
16.51 ± 0.65
19.53 ± 0.48
Alfven Speed [km/s]
38.74 ± 0.43
49.49 ± 1.85

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.872 ± 0.086 -0.309 ± 0.206 -0.379 ± 0.360 -22.26 ± 7.50 199.53 ± 13.48
VC -0.775 ± 0.025 -0.215 ± 0.049 -0.595 ± 0.512 -36.49 ± 2.11 195.48 ± 3.58
MX1 -0.843 ± 0.021 -0.331 ± 0.049 -0.423 ± 0.396 -25.02 ± 1.37 201.44 ± 3.32
MX2 -0.843 ± 0.021 -0.332 ± 0.047 -0.424 ± 0.396 -25.08 ± 1.41 201.49 ± 3.21
MX3 -0.841 ± 0.021 -0.333 ± 0.046 -0.426 ± 0.398 -25.18 ± 1.55 201.61 ± 3.13
RH08 -0.914 ± 0.006 -0.203 ± 0.021 -0.352 ± 0.337 -20.61 ± 0.75 192.53 ± 1.30
RH09 -0.889 ± 0.030 -0.247 ± 0.069 -0.385 ± 0.365 -22.67 ± 3.50 195.54 ± 4.42
RH10 -0.898 ± 0.030 -0.233 ± 0.069 -0.374 ± 0.356 -21.98 ± 3.75 194.54 ± 4.39
Average -0.859 -0.275 -0.420 -24.912 197.771
Median -0.843 -0.247 -0.385 -22.673 199.529
Deviation 0.044 0.056 0.076 4.976 3.649

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 68.0 ± 0.8 384.0 ± 0.9 1.62 ± 0.10
VC 82.4 ± 0.9 350.3 ± 1.0 1.62 ± 0.10
MX1 69.9 ± 0.9 374.6 ± 1.0 1.62 ± 0.10
MX2 69.9 ± 0.9 374.3 ± 1.0 1.62 ± 0.10
MX3 70.0 ± 0.9 373.9 ± 1.0 1.62 ± 0.10
RH08 69.5 ± 0.8 397.0 ± 0.9 1.62 ± 0.10
RH09 70.0 ± 0.8 389.5 ± 0.9 1.62 ± 0.10
RH10 69.8 ± 0.8 392.2 ± 4.4 1.62 ± 0.10
Average 71.2 379.5 1.62
Median 69.9 384.0 1.62
Deviation 4.6 14.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 57.6 ± 0.5 5.7 ± 0.2 14.5 ± 0.2 41.7 ± 0.5 10.05 ± 0.41 1.38 ± 0.03
VC 59.1 ± 0.4 2.0 ± 0.1 5.1 ± 0.1 42.1 ± 0.5 29.49 ± 1.17 1.41 ± 0.02
MX1 57.8 ± 0.5 5.3 ± 0.2 13.3 ± 0.1 41.8 ± 0.5 10.99 ± 0.45 1.38 ± 0.03
MX2 57.8 ± 0.5 5.3 ± 0.2 13.3 ± 0.1 41.8 ± 0.5 11.01 ± 0.46 1.38 ± 0.03
MX3 57.8 ± 0.5 5.2 ± 0.2 13.3 ± 0.1 41.8 ± 0.5 11.04 ± 0.46 1.38 ± 0.03
RH8 57.5 ± 0.4 5.4 ± 0.2 13.5 ± 0.2 41.8 ± 0.5 10.76 ± 0.43 1.38 ± 0.02
RH9 57.9 ± 0.4 5.2 ± 0.2 13.2 ± 0.1 41.8 ± 0.5 11.08 ± 0.45 1.39 ± 0.03
RH10 57.8 ± 0.4 5.3 ± 0.2 13.4 ± 0.1 41.8 ± 0.5 10.97 ± 0.44 1.38 ± 0.03
Average 57.9 4.9 12.5 41.8 13.2 1.4
Median 57.8 5.3 13.3 41.8 11.0 1.4
Deviation 0.5 1.2 3.0 0.1 6.6 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 35.7 ± 1.0 6.8 ± 0.1 18.5 ± 0.7 52.8 ± 1.6 5.22 ± 0.17 0.68 ± 0.04
VC 36.5 ± 1.2 2.4 ± 0.0 6.5 ± 0.2 53.2 ± 1.6 15.23 ± 0.53 0.69 ± 0.04
MX1 35.8 ± 1.1 6.3 ± 0.1 17.0 ± 0.6 52.8 ± 1.6 5.69 ± 0.19 0.68 ± 0.04
MX2 35.8 ± 1.1 6.3 ± 0.1 17.0 ± 0.6 52.8 ± 1.6 5.70 ± 0.19 0.68 ± 0.04
MX3 35.8 ± 1.1 6.3 ± 0.1 17.0 ± 0.6 52.8 ± 1.6 5.71 ± 0.20 0.68 ± 0.04
RH8 35.8 ± 0.9 6.4 ± 0.1 17.3 ± 0.6 52.8 ± 1.6 5.61 ± 0.17 0.68 ± 0.03
RH9 36.0 ± 1.0 6.2 ± 0.1 16.9 ± 0.6 52.8 ± 1.6 5.76 ± 0.18 0.68 ± 0.04
RH10 36.0 ± 1.0 6.3 ± 0.1 17.1 ± 0.6 52.8 ± 1.6 5.70 ± 0.18 0.68 ± 0.03
Average 35.9 5.9 15.9 52.9 6.8 0.7
Median 35.8 6.3 17.0 52.8 5.7 0.7
Deviation 0.3 1.4 3.8 0.1 3.4 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 Fri Aug 12 08:39:29 2022
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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