CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20232821819
Observation time: 10/09/2023 282.76359 1819 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
Key parameters
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 2023
Fractional day of year 282.763594
Arrival time of shock [seconds of day] 65974.5 ± 40.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 197.800
Y GSE location of spacecraft [Re] -11.065
Z GSE location of spacecraft [Re] -10.599
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0155
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0251
Minimum chisq/dof for RH8,RH9,RH10 1.04, 10.62, 11.12
Event added to database
Wed Aug 28 15:33:34 2024
Event last processed
Wed Aug 28 21:08:40 2024
Method selected
RH08
Propagation delay to Earth [minutes]
58.821 ± 8.174

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -331.7 ± 2.3 -346.7 ± 0.6
Vy GSE [km/s] 2.0 ± 6.5 10.3 ± 0.9
Vz GSE [km/s] 30.8 ± 4.6 10.8 ± 0.6
Wi [km/s] 31.7 ± 0.8 23.4 ± 1.2
We [km/s] 1002.8 ± 26.3 740.2 ± 37.6
Ni [n/cc] 5.5 ± 1.0 13.5 ± 0.2
Bx GSE [nT] -3.0 ± 1.0 1.0 ± 0.1
By GSE [nT] 1.6 ± 0.4 0.9 ± 0.5
Bz GSE [nT] -4.5 ± 1.7 2.6 ± 0.1
Plasma Beta
0.665 ± 0.257
1.798 ± 1.773
Sound Speed [km/s]
40.94 ± 1.07
30.22 ± 1.54
Alfven Speed [km/s]
54.38 ± 18.37
17.51 ± 0.72

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.270 ± 0.111 0.930 ± 0.040 0.249 ± 0.244 14.42 ± 5.63 106.19 ± 6.85
VC -0.598 ± 0.154 0.298 ± 0.173 -0.744 ± 0.561 -48.10 ± 11.35 153.49 ± 15.37
MX1 -0.728 ± 0.565 0.614 ± 0.670 0.304 ± 0.295 17.72 ± 5.34 139.86 ± 52.72
MX2 -0.323 ± 0.218 0.907 ± 0.082 0.270 ± 0.263 15.67 ± 5.74 109.61 ± 13.76
MX3 -0.666 ± 0.419 0.659 ± 0.424 0.349 ± 0.335 20.46 ± 5.96 135.33 ± 36.41
RH08 -0.866 ± 0.009 -0.114 ± 0.048 0.486 ± 0.444 29.08 ± 0.77 187.52 ± 3.17
RH09 -0.859 ± 0.036 -0.191 ± 0.068 0.475 ± 0.435 28.35 ± 4.06 192.53 ± 4.51
RH10 -0.859 ± 0.036 -0.191 ± 0.068 0.475 ± 0.435 28.35 ± 4.06 192.53 ± 4.51
Average -0.646 0.364 0.233 13.242 152.132
Median -0.666 0.614 0.349 20.456 153.485
Deviation 0.237 0.480 0.406 25.494 35.600

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 74.7 ± 13.6 109.1 ± 0.7 2.48 ± 0.34
VC 10.5 ± 9.1 218.2 ± 1.1 2.48 ± 0.34
MX1 69.2 ± 9.2 267.8 ± 0.5 2.48 ± 0.34
MX2 74.4 ± 13.4 127.7 ± 0.7 2.48 ± 0.34
MX3 72.3 ± 10.0 246.6 ± 0.6 2.48 ± 0.34
RH08 87.2 ± 1.1 306.4 ± 0.4 2.48 ± 0.34
RH09 88.4 ± 1.2 302.9 ± 0.4 2.48 ± 0.34
RH10 88.4 ± 1.2 302.9 ± 2.4 2.48 ± 0.34
Average 70.6 235.2 2.48
Median 74.7 267.8 2.48
Deviation 25.5 78.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 10.0 ± 7.2 8.3 ± 1.8 14.4 ± 4.9 68.7 ± 12.0 1.17 ± 0.72 0.14 ± 0.09
VC 42.3 ± 1.5 35.8 ± 8.3 53.5 ± 18.1 59.2 ± 9.3 1.27 ± 0.45 0.74 ± 0.16
MX1 15.7 ± 5.8 11.2 ± 2.4 19.3 ± 6.5 68.3 ± 11.9 1.39 ± 0.36 0.23 ± 0.06
MX2 10.4 ± 7.1 8.4 ± 1.8 14.6 ± 4.9 68.7 ± 12.0 1.20 ± 0.70 0.15 ± 0.09
MX3 13.4 ± 6.2 9.5 ± 2.0 16.5 ± 5.6 68.5 ± 12.0 1.38 ± 0.48 0.19 ± 0.07
RH8 4.3 ± 3.2 1.5 ± 0.3 2.6 ± 0.9 69.2 ± 12.1 2.52 ± 2.20 0.06 ± 0.05
RH9 3.7 ± 3.0 0.9 ± 0.2 1.5 ± 0.5 69.2 ± 12.1 3.69 ± 3.65 0.05 ± 0.04
RH10 3.7 ± 3.0 0.9 ± 0.2 1.5 ± 0.5 69.2 ± 12.1 3.69 ± 3.65 0.05 ± 0.04
Average 12.9 9.6 15.5 67.6 2.0 0.2
Median 10.4 8.4 14.6 68.7 1.4 0.1
Deviation 12.7 11.4 17.0 3.4 1.1 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 3.3 ± 0.8 4.0 ± 0.1 4.6 ± 0.2 34.7 ± 1.4 0.82 ± 0.22 0.10 ± 0.03
VC 16.0 ± 0.9 17.1 ± 0.7 17.2 ± 0.7 30.5 ± 1.5 0.94 ± 0.07 0.53 ± 0.02
MX1 5.8 ± 0.8 5.5 ± 0.2 6.2 ± 0.3 34.5 ± 1.4 1.06 ± 0.15 0.17 ± 0.02
MX2 3.5 ± 0.8 4.1 ± 0.1 4.7 ± 0.2 34.7 ± 1.4 0.85 ± 0.22 0.10 ± 0.03
MX3 5.0 ± 0.8 4.6 ± 0.2 5.3 ± 0.2 34.6 ± 1.4 1.08 ± 0.18 0.14 ± 0.02
RH8 2.0 ± 0.3 0.7 ± 0.0 0.8 ± 0.0 34.9 ± 1.4 2.67 ± 0.40 0.06 ± 0.01
RH9 1.9 ± 0.3 0.4 ± 0.0 0.5 ± 0.0 34.9 ± 1.4 4.41 ± 0.64 0.05 ± 0.01
RH10 1.9 ± 0.3 0.4 ± 0.0 0.5 ± 0.0 34.9 ± 1.4 4.41 ± 0.64 0.05 ± 0.01
Average 4.9 4.6 5.0 34.2 2.0 0.1
Median 3.5 4.1 4.7 34.7 1.1 0.1
Deviation 4.7 5.4 5.5 1.5 1.6 0.2

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 21:49:36 2024
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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