CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20241061730
Observation time: 04/15/2024 106.72981 1730 [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 2024
Fractional day of year 106.729809
Arrival time of shock [seconds of day] 63055.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 199.320
Y GSE location of spacecraft [Re] 43.702
Z GSE location of spacecraft [Re] -9.502
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0215
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0171
Minimum chisq/dof for RH8,RH9,RH10 3.27, 8.29, 9.37
Event added to database
Wed Aug 28 16:39:00 2024
Event last processed
Wed Aug 28 21:16:39 2024
Method selected
RH08
Propagation delay to Earth [minutes]
-296.364 ± *********

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -328.7 ± 3.1 -361.2 ± 7.9
Vy GSE [km/s] -13.9 ± 3.5 -16.6 ± 1.9
Vz GSE [km/s] 0.9 ± 2.9 11.7 ± 8.7
Wi [km/s] 25.9 ± 1.2 32.6 ± 3.5
We [km/s] 819.3 ± 37.1 1029.9 ± 109.5
Ni [n/cc] 10.2 ± 0.3 15.9 ± 0.9
Bx GSE [nT] -2.0 ± 0.5 0.6 ± 3.6
By GSE [nT] -2.5 ± 0.6 -3.2 ± 1.1
Bz GSE [nT] -3.0 ± 0.4 0.7 ± 4.5
Plasma Beta
0.737 ± 0.789
1.148 ± 1.413
Sound Speed [km/s]
33.45 ± 1.52
42.05 ± 4.47
Alfven Speed [km/s]
30.34 ± 1.19
33.51 ± 7.89

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.933 ± 0.261 -0.155 ± 1.094 -0.324 ± 0.312 -18.90 ± 33.62 189.45 ± 67.16
VC -0.935 ± 0.100 -0.093 ± 0.124 0.341 ± 0.327 19.95 ± 16.78 185.71 ± 7.55
MX1 -0.958 ± 0.161 -0.028 ± 0.572 0.286 ± 0.278 16.60 ± 32.19 181.65 ± 34.23
MX2 -0.892 ± 0.109 0.085 ± 0.393 0.443 ± 0.412 26.31 ± 13.34 174.56 ± 25.22
MX3 -0.919 ± 0.112 0.020 ± 0.320 0.394 ± 0.372 23.22 ± 16.25 178.77 ± 19.93
RH08 -0.108 ± 0.022 0.984 ± 0.004 0.140 ± 0.139 8.03 ± 1.46 96.27 ± 1.26
RH09 -0.159 ± 0.069 0.976 ± 0.015 0.151 ± 0.150 8.68 ± 4.03 99.28 ± 4.07
RH10 -0.142 ± 0.069 0.978 ± 0.015 0.151 ± 0.150 8.68 ± 4.03 98.27 ± 4.07
Average -0.631 0.346 0.198 11.569 150.494
Median -0.892 0.085 0.286 16.597 178.767
Deviation 0.410 0.529 0.241 14.175 43.749

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 42.9 ± 8.3 386.9 ± 3.9 1.56 ± 0.10
VC 75.4 ± 4.4 408.6 ± 1.8 1.56 ± 0.10
MX1 74.8 ± 5.1 411.9 ± 1.9 1.56 ± 0.10
MX2 86.4 ± 4.9 389.1 ± 1.8 1.56 ± 0.10
MX3 81.7 ± 4.8 401.8 ± 1.8 1.56 ± 0.10
RH08 52.3 ± 11.2 29.4 ± 1.4 1.56 ± 0.10
RH09 53.9 ± 11.2 51.6 ± 1.5 1.56 ± 0.10
RH10 53.2 ± 11.2 44.4 ± 7.7 1.56 ± 0.10
Average 65.1 265.5 1.56
Median 74.8 389.1 1.56
Deviation 16.3 185.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 78.4 ± 3.1 17.9 ± 0.2 22.2 ± 0.9 41.5 ± 0.7 4.38 ± 0.22 1.89 ± 0.09
VC 99.6 ± 2.2 5.7 ± 0.1 7.6 ± 0.3 44.8 ± 0.7 17.50 ± 0.56 2.22 ± 0.08
MX1 96.4 ± 2.5 5.9 ± 0.1 8.0 ± 0.3 44.8 ± 0.7 16.27 ± 0.57 2.15 ± 0.08
MX2 96.6 ± 2.5 1.4 ± 0.0 1.9 ± 0.1 45.2 ± 0.7 67.88 ± 2.35 2.14 ± 0.08
MX3 99.7 ± 2.4 3.3 ± 0.0 4.4 ± 0.2 45.1 ± 0.7 30.60 ± 1.02 2.21 ± 0.08
RH8 7.4 ± 3.6 14.5 ± 0.2 18.5 ± 0.7 42.8 ± 0.7 0.51 ± 0.25 0.17 ± 0.08
RH9 12.7 ± 3.7 13.9 ± 0.2 17.9 ± 0.7 43.0 ± 0.7 0.91 ± 0.27 0.29 ± 0.09
RH10 11.1 ± 3.7 14.2 ± 0.2 18.2 ± 0.7 42.9 ± 0.7 0.79 ± 0.26 0.26 ± 0.09
Average 62.8 9.6 12.3 43.8 17.4 1.4
Median 96.4 13.9 17.9 44.8 16.3 2.1
Deviation 43.9 6.2 7.7 1.4 23.1 1.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 51.1 ± 9.9 20.0 ± 2.1 24.6 ± 5.8 50.5 ± 1.5 2.54 ± 0.28 1.01 ± 0.17
VC 65.3 ± 4.3 6.4 ± 0.6 8.4 ± 2.0 54.0 ± 2.0 10.17 ± 0.48 1.21 ± 0.04
MX1 62.1 ± 5.0 6.7 ± 0.6 8.8 ± 2.1 53.9 ± 2.0 9.29 ± 0.40 1.15 ± 0.05
MX2 63.1 ± 3.3 1.6 ± 0.2 2.1 ± 0.5 54.3 ± 2.0 39.31 ± 2.11 1.16 ± 0.02
MX3 65.6 ± 3.8 3.7 ± 0.3 4.9 ± 1.1 54.2 ± 2.0 17.87 ± 0.90 1.21 ± 0.03
RH8 5.0 ± 1.6 16.2 ± 1.6 20.5 ± 4.8 51.8 ± 1.7 0.31 ± 0.08 0.10 ± 0.03
RH9 8.4 ± 1.8 15.6 ± 1.6 19.8 ± 4.7 52.0 ± 1.7 0.54 ± 0.09 0.16 ± 0.03
RH10 7.5 ± 1.7 15.9 ± 1.6 20.1 ± 4.7 52.0 ± 1.7 0.47 ± 0.08 0.14 ± 0.03
Average 41.0 10.8 13.6 52.8 10.1 0.8
Median 62.1 15.6 19.8 53.9 9.3 1.2
Deviation 28.6 6.9 8.5 1.4 13.4 0.5

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 21:48:54 2024
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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