CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20231260034
Observation time: 05/06/2023 126.02418 0034 [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
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2023
Fractional day of year 126.024184
Arrival time of shock [seconds of day] 2089.5 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 203.119
Y GSE location of spacecraft [Re] 73.425
Z GSE location of spacecraft [Re] -6.934
Upstream plasma points selected for analysis 0003
Upstream field points selected for analysis 0270
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0343
Minimum chisq/dof for RH8,RH9,RH10 2.95, 6.47, 6.98
Event added to database
Wed Oct 11 16:40:16 2023
Event last processed
Thu Oct 12 10:32:01 2023
Method selected
RH08
Propagation delay to Earth [minutes]
54.115 ± 0.829

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -326.6 ± 0.3 -371.2 ± 6.9
Vy GSE [km/s] -20.8 ± 0.8 -17.1 ± 3.9
Vz GSE [km/s] -3.2 ± 0.2 8.9 ± 3.3
Wi [km/s] 15.8 ± 0.6 27.6 ± 2.3
We [km/s] 499.3 ± 18.9 872.7 ± 73.5
Ni [n/cc] 6.8 ± 0.1 15.1 ± 1.1
Bx GSE [nT] -3.0 ± 0.2 -2.9 ± 1.0
By GSE [nT] -2.2 ± 0.0 -5.8 ± 1.1
Bz GSE [nT] -1.6 ± 0.2 -4.9 ± 1.2
Plasma Beta
0.218 ± 0.226
0.365 ± 0.401
Sound Speed [km/s]
20.38 ± 0.77
35.63 ± 3.00
Alfven Speed [km/s]
33.87 ± 0.61
46.43 ± 4.97

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.985 ± 0.032 -0.131 ± 0.097 0.112 ± 0.111 6.41 ± 14.97 187.59 ± 5.66
VC -0.960 ± 0.028 0.073 ± 0.077 0.270 ± 0.263 15.66 ± 5.79 175.67 ± 4.62
MX1 -0.987 ± 0.026 -0.103 ± 0.109 0.121 ± 0.120 6.94 ± 11.25 185.93 ± 6.30
MX2 -0.985 ± 0.027 -0.106 ± 0.120 0.136 ± 0.135 7.81 ± 9.94 186.12 ± 6.97
MX3 -0.983 ± 0.027 -0.108 ± 0.128 0.147 ± 0.146 8.43 ± 9.18 186.27 ± 7.46
RH08 -0.983 ± 0.005 -0.130 ± 0.030 0.128 ± 0.128 7.38 ± 1.74 187.52 ± 1.72
RH09 -0.920 ± 0.027 -0.309 ± 0.066 0.240 ± 0.235 13.90 ± 3.99 198.55 ± 4.10
RH10 -0.933 ± 0.025 -0.295 ± 0.068 0.207 ± 0.204 11.93 ± 3.97 197.55 ± 4.16
Average -0.967 -0.139 0.170 9.808 188.150
Median -0.983 -0.108 0.147 8.433 187.521
Deviation 0.027 0.120 0.060 3.525 7.228

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 41.3 ± 3.5 407.5 ± 1.4 2.05 ± 0.08
VC 56.1 ± 3.4 396.7 ± 1.4 2.05 ± 0.08
MX1 42.8 ± 3.4 408.1 ± 1.4 2.05 ± 0.08
MX2 43.3 ± 3.5 407.5 ± 1.4 2.05 ± 0.08
MX3 43.7 ± 3.5 406.9 ± 1.4 2.05 ± 0.08
RH08 42.1 ± 3.5 406.9 ± 1.4 2.05 ± 0.08
RH09 41.4 ± 3.9 382.8 ± 1.1 2.05 ± 0.08
RH10 40.1 ± 3.9 387.7 ± 5.6 2.05 ± 0.08
Average 43.8 400.5 2.05
Median 42.8 406.9 2.05
Deviation 5.1 10.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 83.4 ± 0.3 14.0 ± 0.4 25.4 ± 0.5 37.0 ± 0.6 5.94 ± 0.18 2.26 ± 0.03
VC 85.5 ± 0.3 10.1 ± 0.3 18.9 ± 0.3 38.2 ± 0.7 8.49 ± 0.26 2.24 ± 0.03
MX1 83.9 ± 0.3 13.6 ± 0.4 24.8 ± 0.4 37.1 ± 0.6 6.15 ± 0.19 2.26 ± 0.03
MX2 84.0 ± 0.3 13.5 ± 0.4 24.6 ± 0.4 37.1 ± 0.6 6.22 ± 0.19 2.26 ± 0.03
MX3 84.0 ± 0.3 13.4 ± 0.4 24.5 ± 0.4 37.2 ± 0.6 6.26 ± 0.19 2.26 ± 0.03
RH8 83.5 ± 0.3 13.8 ± 0.4 25.1 ± 0.5 37.0 ± 0.6 6.04 ± 0.18 2.26 ± 0.03
RH9 76.6 ± 0.3 14.0 ± 0.4 25.4 ± 0.5 37.0 ± 0.6 5.47 ± 0.16 2.07 ± 0.03
RH10 77.5 ± 0.3 14.3 ± 0.5 25.9 ± 0.5 36.8 ± 0.6 5.41 ± 0.16 2.10 ± 0.03
Average 82.3 13.4 24.3 37.2 6.2 2.2
Median 83.9 13.8 25.1 37.1 6.2 2.3
Deviation 3.3 1.4 2.2 0.4 1.0 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 38.5 ± 6.2 23.0 ± 1.4 34.9 ± 3.7 53.9 ± 4.4 1.69 ± 0.31 0.72 ± 0.15
VC 39.1 ± 6.2 16.3 ± 1.0 25.9 ± 2.8 56.3 ± 4.4 2.40 ± 0.42 0.70 ± 0.14
MX1 38.8 ± 6.3 22.3 ± 1.4 34.1 ± 3.6 54.2 ± 4.4 1.74 ± 0.32 0.72 ± 0.15
MX2 38.8 ± 6.2 22.1 ± 1.4 33.8 ± 3.6 54.3 ± 4.4 1.76 ± 0.32 0.72 ± 0.15
MX3 38.8 ± 6.2 21.9 ± 1.4 33.6 ± 3.6 54.4 ± 4.4 1.77 ± 0.32 0.72 ± 0.15
RH8 38.6 ± 6.2 22.6 ± 1.4 34.5 ± 3.7 54.1 ± 4.4 1.71 ± 0.31 0.72 ± 0.15
RH9 33.7 ± 5.2 22.9 ± 1.4 34.8 ± 3.7 53.9 ± 4.4 1.48 ± 0.26 0.63 ± 0.13
RH10 34.5 ± 5.3 23.5 ± 1.5 35.5 ± 3.8 53.7 ± 4.4 1.48 ± 0.26 0.65 ± 0.13
Average 37.6 21.8 33.4 54.4 1.8 0.7
Median 38.8 22.6 34.5 54.2 1.7 0.7
Deviation 2.2 2.3 3.1 0.8 0.3 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 Thu Oct 12 13:23:40 2023
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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