CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20232672001
Observation time: 09/24/2023 267.83418 2001 [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 267.834184
Arrival time of shock [seconds of day] 72073.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 200.605
Y GSE location of spacecraft [Re] -62.258
Z GSE location of spacecraft [Re] -7.976
Upstream plasma points selected for analysis 0012
Upstream field points selected for analysis 0405
Downstream plasma points selected for analysis 0013
Downstream field points selected for analysis 0449
Minimum chisq/dof for RH8,RH9,RH10 4.19, 6.16, 6.94
Event added to database
Wed Oct 11 16:58:31 2023
Event last processed
Thu Oct 12 10:43:51 2023
Method selected
RH08
Propagation delay to Earth [minutes]
54.993 ± 0.859

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -309.6 ± 2.9 -376.3 ± 33.5
Vy GSE [km/s] 1.5 ± 10.4 -23.6 ± 24.0
Vz GSE [km/s] 11.9 ± 7.1 285.6 ± 98.4
Wi [km/s] 23.4 ± 1.9 205.8 ± 131.6
We [km/s] 740.8 ± 58.9 6508.7 ± 4162.4
Ni [n/cc] 11.9 ± 0.8 37.8 ± 11.2
Bx GSE [nT] -6.0 ± 0.4 -4.9 ± 3.4
By GSE [nT] 1.1 ± 1.5 4.9 ± 10.8
Bz GSE [nT] -3.5 ± 0.6 -11.7 ± 3.4
Plasma Beta
0.271 ± 0.271
11.061 ± 8.466
Sound Speed [km/s]
30.24 ± 2.40
265.72 ± 169.93
Alfven Speed [km/s]
45.54 ± 2.94
65.44 ± 15.60

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.952 ± 0.092 0.126 ± 0.258 -0.279 ± 0.271 -16.17 ± 17.67 172.48 ± 15.50
VC -0.317 ± 0.315 -0.124 ± 0.213 0.940 ± 0.417 70.07 ± 20.11 201.39 ± 31.65
MX1 -0.958 ± 0.313 0.282 ± 1.064 0.044 ± 0.044 2.54 ± 25.58 163.63 ± 63.59
MX2 -0.777 ± 0.267 0.198 ± 0.555 0.598 ± 0.514 36.75 ± 22.47 165.72 ± 40.76
MX3 -0.672 ± 0.385 0.246 ± 0.750 0.698 ± 0.553 44.28 ± 23.89 159.92 ± 63.31
RH08 -0.998 ± 0.001 0.044 ± 0.023 -0.039 ± 0.039 -2.24 ± 0.52 177.49 ± 1.32
RH09 -0.999 ± 0.003 0.026 ± 0.068 -0.028 ± 0.028 -1.60 ± 4.06 178.50 ± 3.91
RH10 -0.995 ± 0.007 0.096 ± 0.068 -0.039 ± 0.039 -2.24 ± 4.06 174.48 ± 3.91
Average -0.834 0.112 0.237 16.423 174.202
Median -0.952 0.126 0.044 2.543 174.485
Deviation 0.241 0.132 0.441 30.105 12.868

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 18.9 ± 3.1 270.2 ± 7.9 3.10 ± 0.97
VC 77.4 ± 2.5 528.0 ± 23.0 3.10 ± 0.97
MX1 34.9 ± 6.2 404.2 ± 5.2 3.10 ± 0.97
MX2 67.6 ± 5.0 557.7 ± 15.9 3.10 ± 0.97
MX3 75.3 ± 5.7 554.2 ± 18.3 3.10 ± 0.97
RH08 31.5 ± 2.5 392.1 ± 4.9 3.10 ± 0.97
RH09 32.3 ± 2.5 398.0 ± 4.9 3.10 ± 0.97
RH10 30.9 ± 2.8 388.1 ± 60.9 3.10 ± 0.97
Average 46.1 436.6 3.10
Median 34.9 404.2 3.10
Deviation 23.3 101.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -21.4 ± 3.1 27.5 ± 1.8 43.1 ± 2.8 47.3 ± 2.6 -0.78 ± 0.12 -0.46 ± 0.09
VC 418.8 ± 5.3 5.5 ± 0.3 10.0 ± 0.6 54.5 ± 2.3 76.14 ± 3.75 7.70 ± 0.37
MX1 106.5 ± 3.2 22.6 ± 1.3 37.4 ± 2.4 49.8 ± 2.4 4.72 ± 0.29 2.14 ± 0.12
MX2 309.9 ± 5.6 9.7 ± 0.5 17.4 ± 1.1 53.9 ± 2.3 31.94 ± 1.65 5.76 ± 0.30
MX3 337.4 ± 6.7 6.4 ± 0.3 11.6 ± 0.7 54.4 ± 2.3 52.78 ± 2.76 6.22 ± 0.34
RH8 83.5 ± 2.8 23.8 ± 1.4 38.9 ± 2.5 49.3 ± 2.4 3.52 ± 0.23 1.70 ± 0.05
RH9 88.9 ± 2.8 23.5 ± 1.3 38.5 ± 2.5 49.4 ± 2.4 3.79 ± 0.24 1.80 ± 0.05
RH10 80.5 ± 2.6 24.0 ± 1.4 39.1 ± 2.5 49.2 ± 2.4 3.37 ± 0.22 1.64 ± 0.05
Average 175.5 17.9 29.5 51.0 21.9 3.3
Median 106.5 23.5 38.5 49.8 4.7 2.1
Deviation 156.7 9.0 13.9 2.8 28.8 2.9

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -5.6 ± 50.5 61.4 ± 14.8 61.9 ± 14.8 267.0 ± 169.4 -0.11 ± 0.86 -0.12 ± 0.47
VC 137.2 ± 86.2 13.6 ± 3.5 14.3 ± 3.4 274.9 ± 167.8 11.31 ± 8.30 0.77 ± 0.91
MX1 37.4 ± 31.0 52.5 ± 12.9 53.7 ± 12.8 269.4 ± 168.8 0.78 ± 0.75 0.15 ± 0.13
MX2 99.2 ± 54.0 23.8 ± 6.1 25.0 ± 5.9 274.1 ± 167.9 4.67 ± 3.10 0.53 ± 0.53
MX3 107.6 ± 64.2 15.8 ± 4.0 16.6 ± 4.0 274.8 ± 167.8 7.69 ± 5.42 0.59 ± 0.63
RH8 28.6 ± 35.4 54.8 ± 13.4 55.8 ± 13.3 268.8 ± 168.9 0.55 ± 0.75 0.09 ± 0.20
RH9 30.5 ± 34.9 54.3 ± 13.3 55.3 ± 13.2 269.0 ± 168.9 0.59 ± 0.75 0.10 ± 0.19
RH10 27.2 ± 35.2 55.2 ± 13.5 56.2 ± 13.4 268.7 ± 168.9 0.53 ± 0.74 0.08 ± 0.20
Average 57.8 41.4 42.3 270.8 3.3 0.3
Median 37.4 54.3 55.3 269.4 0.8 0.2
Deviation 49.9 20.0 20.0 3.2 4.2 0.3

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 13:23:29 2023
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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