CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20233472128
Observation time: 12/13/2023 347.89467 2128 [UT]

Wind spacecraft

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Asymptotic parameters
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Wave speed and Mach numbers
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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2023
Fractional day of year 347.894670
Arrival time of shock [seconds of day] 77299.5 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 242.701
Y GSE location of spacecraft [Re] 79.207
Z GSE location of spacecraft [Re] 9.179
Upstream plasma points selected for analysis 0004
Upstream field points selected for analysis 0422
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0880
Minimum chisq/dof for RH8,RH9,RH10 11.06, 18.08, 22.06
Event added to database
Wed Aug 28 16:13:54 2024
Event last processed
Wed Aug 28 21:12:36 2024
Method selected
MX3
Propagation delay to Earth [minutes]
57.117 ± 8.407

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -313.0 ± 31.9 -373.6 ± 0.8
Vy GSE [km/s] -7.1 ± 30.1 -12.0 ± 5.8
Vz GSE [km/s] 8.8 ± 10.4 15.6 ± 6.4
Wi [km/s] 24.2 ± 5.3 32.0 ± 2.9
We [km/s] 766.0 ± 166.0 1011.9 ± 93.1
Ni [n/cc] 4.0 ± 2.4 7.3 ± 0.7
Bx GSE [nT] 0.8 ± 0.8 -4.2 ± 0.6
By GSE [nT] 6.1 ± 0.3 10.5 ± 0.3
Bz GSE [nT] -4.7 ± 0.3 -6.8 ± 0.5
Plasma Beta
0.098 ± 0.109
0.091 ± 0.094
Sound Speed [km/s]
31.27 ± 6.78
41.31 ± 3.80
Alfven Speed [km/s]
124.36 ± 98.65
107.07 ± 4.87

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.669 ± 0.105 -0.493 ± 0.124 0.556 ± 0.490 33.80 ± 8.05 216.42 ± 9.84
VC -0.973 ± 0.079 -0.220 ± 0.345 0.074 ± 0.074 4.24 ± 7.20 192.77 ± 20.34
MX1 -0.706 ± 0.089 -0.602 ± 0.098 0.373 ± 0.354 21.87 ± 9.13 220.44 ± 7.29
MX2 -0.715 ± 0.113 -0.608 ± 0.122 0.344 ± 0.330 20.11 ± 14.15 220.37 ± 8.74
MX3 -0.734 ± 0.163 -0.590 ± 0.180 0.336 ± 0.323 19.64 ± 21.11 218.76 ± 12.71
RH08 -0.142 ± 0.041 0.331 ± 0.027 0.933 ± 0.433 68.90 ± 1.38 113.31 ± 6.99
RH09 -0.142 ± 0.068 0.331 ± 0.055 0.933 ± 0.433 68.90 ± 3.20 113.31 ± 11.27
RH10 -0.186 ± 0.067 0.272 ± 0.061 0.944 ± 0.407 70.76 ± 3.32 124.35 ± 12.54
Average -0.534 -0.198 0.562 38.528 177.468
Median -0.669 -0.220 0.556 33.799 216.419
Deviation 0.325 0.440 0.337 26.873 50.987

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 37.4 ± 4.9 353.6 ± 21.2 5.15 ± 7.37
VC 71.4 ± 5.8 470.0 ± 24.9 5.15 ± 7.37
MX1 39.4 ± 5.9 370.8 ± 23.6 5.15 ± 7.37
MX2 40.4 ± 6.0 375.2 ± 23.9 5.15 ± 7.37
MX3 41.9 ± 6.0 383.2 ± 24.1 5.15 ± 7.37
RH08 71.3 ± 2.2 69.0 ± 5.6 5.15 ± 7.37
RH09 71.3 ± 2.2 69.0 ± 5.6 5.15 ± 7.37
RH10 67.8 ± 2.0 90.2 ± 20.3 5.15 ± 7.37
Average 55.1 272.6 5.15
Median 67.8 370.8 5.15
Deviation 16.5 166.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 135.9 ± 12.2 23.9 ± 4.6 98.8 ± 78.4 126.9 ± 97.1 5.92 ± 1.79 1.39 ± 0.55
VC 163.4 ± 25.1 9.2 ± 1.6 39.6 ± 31.4 129.8 ± 95.6 18.41 ± 6.35 1.56 ± 0.55
MX1 142.1 ± 8.3 23.2 ± 4.4 96.1 ± 76.2 127.1 ± 97.0 6.35 ± 1.69 1.46 ± 0.60
MX2 143.9 ± 8.1 22.8 ± 4.3 94.7 ± 75.1 127.2 ± 97.0 6.53 ± 1.72 1.48 ± 0.61
MX3 146.2 ± 9.2 22.3 ± 4.2 92.5 ± 73.4 127.4 ± 96.9 6.81 ± 1.83 1.49 ± 0.61
RH8 18.5 ± 24.2 9.3 ± 1.6 40.0 ± 31.7 129.8 ± 95.6 2.35 ± 3.43 0.11 ± 0.06
RH9 18.5 ± 24.2 9.3 ± 1.6 40.0 ± 31.7 129.8 ± 95.6 2.35 ± 3.43 0.11 ± 0.06
RH10 25.6 ± 23.9 11.0 ± 1.9 47.1 ± 37.3 129.6 ± 95.7 2.66 ± 3.00 0.18 ± 0.03
Average 99.3 16.4 68.6 128.4 6.4 1.0
Median 142.1 22.3 92.5 129.6 6.4 1.5
Deviation 65.4 7.2 28.9 1.4 5.2 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 89.2 ± 2.7 31.8 ± 2.6 85.1 ± 3.9 110.3 ± 4.1 2.82 ± 0.20 0.81 ± 0.05
VC 102.9 ± 1.6 12.3 ± 0.9 34.1 ± 1.6 114.2 ± 3.3 8.37 ± 0.50 0.90 ± 0.04
MX1 93.9 ± 2.8 30.9 ± 2.5 82.7 ± 3.8 110.6 ± 4.0 3.05 ± 0.17 0.85 ± 0.05
MX2 95.2 ± 2.8 30.4 ± 2.5 81.5 ± 3.7 110.7 ± 4.0 3.14 ± 0.17 0.86 ± 0.06
MX3 96.6 ± 2.8 29.6 ± 2.4 79.7 ± 3.6 110.9 ± 3.9 3.27 ± 0.18 0.87 ± 0.05
RH8 5.2 ± 7.5 12.4 ± 0.9 34.4 ± 1.6 114.2 ± 3.3 0.43 ± 0.63 0.04 ± 0.07
RH9 5.2 ± 7.5 12.4 ± 0.9 34.4 ± 1.6 114.2 ± 3.3 0.43 ± 0.63 0.04 ± 0.07
RH10 9.3 ± 7.3 14.7 ± 1.1 40.5 ± 1.8 113.9 ± 3.4 0.65 ± 0.53 0.08 ± 0.06
Average 62.2 21.8 59.1 112.4 2.8 0.6
Median 93.9 29.6 79.7 113.9 3.1 0.9
Deviation 46.2 9.5 24.9 1.9 2.6 0.4

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 Wed Aug 28 21:49:16 2024
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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