CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20240031419
Observation time: 01/03/2024 3.59689 1419 [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 3.596892
Arrival time of shock [seconds of day] 51571.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 257.095
Y GSE location of spacecraft [Re] 14.119
Z GSE location of spacecraft [Re] 13.006
Upstream plasma points selected for analysis 0003
Upstream field points selected for analysis 0150
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0132
Minimum chisq/dof for RH8,RH9,RH10 19.25, 30.59, 46.54
Event added to database
Wed Aug 28 16:29:20 2024
Event last processed
Wed Aug 28 21:14:31 2024
Method selected
RH08
Propagation delay to Earth [minutes]
48.303 ± 8.593

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -396.6 ± 1.2 -434.2 ± 6.5
Vy GSE [km/s] 26.8 ± 6.2 18.5 ± 11.7
Vz GSE [km/s] -34.7 ± 2.6 36.8 ± 8.5
Wi [km/s] 36.3 ± 3.8 51.4 ± 3.7
We [km/s] 1148.0 ± 119.6 1624.7 ± 118.3
Ni [n/cc] 3.9 ± 0.1 7.4 ± 0.5
Bx GSE [nT] 4.3 ± 0.2 7.4 ± 0.2
By GSE [nT] 0.8 ± 0.5 -0.1 ± 1.8
Bz GSE [nT] 0.5 ± 0.2 5.3 ± 0.2
Plasma Beta
0.552 ± 0.555
0.491 ± 0.445
Sound Speed [km/s]
46.87 ± 4.88
66.33 ± 4.83
Alfven Speed [km/s]
49.13 ± 1.49
73.84 ± 2.73

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.854 ± 0.088 -0.267 ± 0.189 0.446 ± 0.414 26.47 ± 8.82 197.38 ± 12.57
VC -0.481 ± 0.086 -0.109 ± 0.143 0.870 ± 0.520 60.47 ± 5.36 192.79 ± 16.90
MX1 -0.856 ± 0.055 -0.151 ± 0.115 0.494 ± 0.449 29.59 ± 6.08 189.99 ± 7.65
MX2 -0.846 ± 0.026 -0.071 ± 0.068 0.529 ± 0.473 31.92 ± 2.79 184.77 ± 4.59
MX3 -0.835 ± 0.016 -0.009 ± 0.074 0.550 ± 0.486 33.35 ± 1.62 180.59 ± 5.09
RH08 -0.874 ± 0.030 -0.023 ± 0.051 0.486 ± 0.444 29.08 ± 3.53 181.50 ± 3.34
RH09 -0.952 ± 0.022 -0.008 ± 0.070 0.307 ± 0.297 17.89 ± 4.01 180.50 ± 4.24
RH10 -0.955 ± 0.021 -0.008 ± 0.071 0.296 ± 0.287 17.22 ± 4.00 180.50 ± 4.24
Average -0.832 -0.081 0.497 30.751 186.004
Median -0.854 -0.023 0.494 29.592 184.772
Deviation 0.149 0.092 0.178 13.429 6.579

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 34.2 ± 4.1 458.2 ± 3.0 1.90 ± 0.12
VC 67.3 ± 3.2 337.3 ± 5.5 1.90 ± 0.12
MX1 36.6 ± 3.0 466.7 ± 2.9 1.90 ± 0.12
MX2 39.3 ± 2.5 467.9 ± 3.0 1.90 ± 0.12
MX3 41.5 ± 2.1 465.7 ± 3.0 1.90 ± 0.12
RH08 37.2 ± 2.1 475.4 ± 2.8 1.90 ± 0.12
RH09 27.1 ± 2.0 486.9 ± 2.5 1.90 ± 0.12
RH10 26.5 ± 2.0 487.1 ± 8.4 1.90 ± 0.12
Average 38.7 455.7 1.90
Median 37.2 467.9 1.90
Deviation 12.8 48.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 142.0 ± 1.7 31.6 ± 1.7 40.6 ± 1.2 60.2 ± 2.8 4.51 ± 0.26 2.36 ± 0.13
VC 179.9 ± 2.1 13.3 ± 0.7 19.0 ± 0.6 66.7 ± 3.1 13.55 ± 0.64 2.70 ± 0.12
MX1 148.3 ± 1.1 30.3 ± 1.6 39.4 ± 1.2 60.9 ± 2.8 4.91 ± 0.26 2.44 ± 0.12
MX2 152.8 ± 0.7 28.9 ± 1.5 38.0 ± 1.1 61.5 ± 2.8 5.30 ± 0.27 2.49 ± 0.11
MX3 153.8 ± 0.5 27.7 ± 1.4 36.8 ± 1.1 62.1 ± 2.9 5.55 ± 0.27 2.48 ± 0.11
RH8 146.4 ± 0.3 30.0 ± 1.6 39.1 ± 1.2 61.0 ± 2.8 4.89 ± 0.25 2.40 ± 0.11
RH9 120.4 ± 0.3 35.2 ± 1.9 43.8 ± 1.3 58.2 ± 2.6 3.43 ± 0.19 2.07 ± 0.09
RH10 118.8 ± 0.3 35.5 ± 1.9 44.0 ± 1.3 58.0 ± 2.6 3.36 ± 0.18 2.05 ± 0.09
Average 145.3 29.1 37.6 61.1 5.7 2.4
Median 148.3 30.3 39.4 61.0 4.9 2.4
Deviation 19.5 6.9 7.9 2.7 3.3 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 75.8 ± 3.8 45.9 ± 1.1 61.1 ± 2.3 88.1 ± 1.4 1.65 ± 0.08 0.86 ± 0.04
VC 98.6 ± 6.0 19.3 ± 0.4 28.5 ± 1.1 97.5 ± 1.7 5.10 ± 0.28 1.01 ± 0.06
MX1 79.5 ± 3.1 44.0 ± 1.1 59.2 ± 2.2 89.1 ± 1.4 1.81 ± 0.06 0.89 ± 0.03
MX2 82.5 ± 2.8 42.0 ± 1.0 57.1 ± 2.1 90.1 ± 1.5 1.97 ± 0.05 0.92 ± 0.02
MX3 83.0 ± 2.5 40.3 ± 1.0 55.3 ± 2.0 90.8 ± 1.5 2.06 ± 0.05 0.91 ± 0.02
RH8 78.6 ± 2.8 43.6 ± 1.1 58.8 ± 2.2 89.3 ± 1.4 1.80 ± 0.06 0.88 ± 0.02
RH9 62.6 ± 4.0 51.1 ± 1.3 65.8 ± 2.4 85.2 ± 1.3 1.23 ± 0.08 0.73 ± 0.04
RH10 61.6 ± 4.1 51.5 ± 1.3 66.1 ± 2.4 85.0 ± 1.3 1.20 ± 0.08 0.72 ± 0.04
Average 77.8 42.2 56.5 89.4 2.1 0.9
Median 79.5 44.0 59.2 89.3 1.8 0.9
Deviation 11.8 10.1 11.9 3.9 1.3 0.1

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 21:49:07 2024
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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