CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20162862115
Observation time: 10/12/2016 286.88582 2115 [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 2016
Fractional day of year 286.885816
Arrival time of shock [seconds of day] 76534.5 ± 10.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 247.142
Y GSE location of spacecraft [Re] -70.449
Z GSE location of spacecraft [Re] 14.152
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0173
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0122
Minimum chisq/dof for RH8,RH9,RH10 7.22, 23.77, 25.49
Event added to database
Fri Jan 13 15:28:01 2017
Event last processed
Fri Jan 13 16:11:01 2017
Method selected
RH08
Propagation delay to Earth [minutes]
57.983 ± 5.991

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -344.1 ± 1.3 -396.9 ± 2.9
Vy GSE [km/s] 4.5 ± 0.7 7.7 ± 2.7
Vz GSE [km/s] -1.7 ± 2.8 35.4 ± 3.7
Wi [km/s] 20.8 ± 2.4 40.9 ± 0.7
We [km/s] 657.5 ± 74.8 1293.7 ± 21.5
Ni [n/cc] 5.5 ± 0.2 14.9 ± 0.9
Bx GSE [nT] 3.3 ± 0.3 5.0 ± 0.5
By GSE [nT] 0.7 ± 0.2 1.4 ± 1.0
Bz GSE [nT] -0.2 ± 0.4 3.4 ± 0.4
Plasma Beta
0.427 ± 0.422
1.348 ± 1.369
Sound Speed [km/s]
26.84 ± 3.05
52.82 ± 0.88
Alfven Speed [km/s]
32.05 ± 2.17
35.63 ± 3.28

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.901 ± 0.074 -0.135 ± 0.087 0.412 ± 0.387 24.36 ± 10.30 188.52 ± 5.48
VC -0.817 ± 0.034 0.050 ± 0.038 0.574 ± 0.501 35.03 ± 3.41 176.49 ± 2.67
MX1 -0.915 ± 0.064 -0.036 ± 0.080 0.401 ± 0.378 23.62 ± 9.17 182.25 ± 5.00
MX2 -0.913 ± 0.057 0.018 ± 0.021 0.408 ± 0.384 24.07 ± 8.02 178.89 ± 1.30
MX3 -0.911 ± 0.054 0.040 ± 0.031 0.410 ± 0.386 24.23 ± 7.56 177.51 ± 1.93
RH08 -0.948 ± 0.006 0.025 ± 0.017 0.318 ± 0.307 18.57 ± 1.04 178.50 ± 1.05
RH09 -1.000 ± 0.002 0.009 ± 0.070 0.028 ± 0.028 1.60 ± 3.65 179.50 ± 4.00
RH10 -1.000 ± 0.002 0.009 ± 0.069 0.028 ± 0.028 1.60 ± 3.87 179.50 ± 3.97
Average -0.926 -0.003 0.322 19.134 180.146
Median -0.913 0.018 0.408 24.068 179.499
Deviation 0.059 0.059 0.195 11.744 3.780

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 21.3 ± 7.2 408.6 ± 1.0 2.72 ± 0.25
VC 34.9 ± 7.4 382.5 ± 1.2 2.72 ± 0.25
MX1 22.5 ± 7.4 414.7 ± 1.0 2.72 ± 0.25
MX2 24.4 ± 7.3 414.2 ± 1.0 2.72 ± 0.25
MX3 25.3 ± 7.3 413.6 ± 1.0 2.72 ± 0.25
RH08 20.5 ± 7.1 424.2 ± 0.9 2.72 ± 0.25
RH09 14.6 ± 2.3 430.1 ± 0.7 2.72 ± 0.25
RH10 14.6 ± 2.3 430.1 ± 3.3 2.72 ± 0.25
Average 22.3 414.7 2.72
Median 22.5 414.7 2.72
Deviation 6.5 15.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 99.9 ± 1.7 22.8 ± 2.0 29.9 ± 2.0 35.1 ± 2.3 4.42 ± 0.46 2.86 ± 0.21
VC 101.9 ± 2.0 18.8 ± 1.6 26.3 ± 1.8 37.4 ± 2.5 5.45 ± 0.54 2.74 ± 0.21
MX1 100.5 ± 1.7 22.5 ± 2.0 29.6 ± 2.0 35.3 ± 2.3 4.51 ± 0.47 2.86 ± 0.21
MX2 100.7 ± 1.7 21.9 ± 1.9 29.2 ± 2.0 35.7 ± 2.3 4.63 ± 0.48 2.83 ± 0.21
MX3 100.6 ± 1.7 21.7 ± 1.9 29.0 ± 2.0 35.8 ± 2.3 4.68 ± 0.48 2.82 ± 0.21
RH8 98.5 ± 1.5 23.0 ± 2.1 30.0 ± 2.0 35.0 ± 2.2 4.32 ± 0.46 2.83 ± 0.20
RH9 86.1 ± 1.3 24.5 ± 2.3 31.0 ± 2.1 33.9 ± 2.1 3.55 ± 0.40 2.55 ± 0.18
RH10 86.1 ± 1.3 24.5 ± 2.3 31.0 ± 2.1 33.9 ± 2.1 3.55 ± 0.40 2.55 ± 0.18
Average 96.8 22.4 29.5 35.3 4.4 2.8
Median 100.5 22.8 29.9 35.3 4.5 2.8
Deviation 6.7 1.8 1.5 1.1 0.6 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 37.5 ± 3.0 31.7 ± 2.5 33.2 ± 3.1 55.3 ± 0.6 1.19 ± 0.09 0.68 ± 0.05
VC 37.4 ± 2.9 26.6 ± 1.9 29.2 ± 2.7 57.9 ± 0.8 1.41 ± 0.13 0.64 ± 0.05
MX1 37.4 ± 2.9 31.3 ± 2.4 32.9 ± 3.0 55.5 ± 0.6 1.20 ± 0.09 0.67 ± 0.05
MX2 37.3 ± 2.8 30.6 ± 2.3 32.4 ± 3.0 55.9 ± 0.6 1.22 ± 0.10 0.67 ± 0.05
MX3 37.2 ± 2.8 30.3 ± 2.3 32.2 ± 3.0 56.1 ± 0.6 1.23 ± 0.10 0.66 ± 0.05
RH8 36.7 ± 2.8 31.9 ± 2.5 33.4 ± 3.1 55.2 ± 0.6 1.15 ± 0.09 0.66 ± 0.05
RH9 32.3 ± 2.8 33.6 ± 2.8 34.5 ± 3.2 54.1 ± 0.6 0.96 ± 0.06 0.60 ± 0.05
RH10 32.3 ± 2.8 33.6 ± 2.8 34.5 ± 3.2 54.1 ± 0.6 0.96 ± 0.06 0.60 ± 0.05
Average 36.0 31.2 32.8 55.5 1.2 0.6
Median 37.3 31.7 33.2 55.5 1.2 0.7
Deviation 2.3 2.2 1.7 1.2 0.1 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 Wed Jan 22 21:47:00 2020
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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