CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20141742216
Observation time: 06/23/2014 174.92780 2216 [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
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2014
Fractional day of year 174.927795
Arrival time of shock [seconds of day] 80161.5 ± 70.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 205.560
Y GSE location of spacecraft [Re] -63.019
Z GSE location of spacecraft [Re] -8.674
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0166
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0110
Minimum chisq/dof for RH8,RH9,RH10 18.62, 28.68, 32.32
Event added to database
Fri Sep 5 12:29:41 2014
Event last processed
Tue May 17 16:20:29 2016
Method selected
RH08
Propagation delay to Earth [minutes]
51.684 ± 3.344

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -324.8 ± 1.2 -370.0 ± 0.4
Vy GSE [km/s] -16.0 ± 1.6 -14.4 ± 2.6
Vz GSE [km/s] -9.7 ± 2.0 -27.8 ± 0.5
Wi [km/s] 14.9 ± 0.9 29.7 ± 1.0
We [km/s] 471.2 ± 29.9 940.3 ± 31.8
Ni [n/cc] 3.7 ± 0.4 11.5 ± 0.5
Bx GSE [nT] 2.3 ± 0.0 3.3 ± 0.1
By GSE [nT] -1.1 ± 0.5 -3.3 ± 0.3
Bz GSE [nT] -0.5 ± 0.2 -2.2 ± 0.1
Plasma Beta
0.256 ± 0.246
0.802 ± 0.779
Sound Speed [km/s]
19.24 ± 1.22
38.39 ± 1.30
Alfven Speed [km/s]
30.19 ± 2.99
33.20 ± 0.26

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.948 ± 0.078 -0.050 ± 0.301 -0.314 ± 0.303 -18.32 ± 14.04 183.00 ± 18.20
VC -0.928 ± 0.016 0.034 ± 0.054 -0.370 ± 0.352 -21.71 ± 2.49 177.92 ± 3.32
MX1 -0.891 ± 0.027 -0.029 ± 0.034 -0.453 ± 0.419 -26.93 ± 3.38 181.84 ± 2.19
MX2 -0.898 ± 0.025 -0.038 ± 0.044 -0.439 ± 0.409 -26.06 ± 3.19 182.44 ± 2.79
MX3 -0.900 ± 0.025 -0.041 ± 0.052 -0.433 ± 0.404 -25.68 ± 3.28 182.63 ± 3.31
RH08 -0.965 ± 0.005 -0.076 ± 0.021 -0.251 ± 0.246 -14.56 ± 1.20 184.51 ± 1.23
RH09 -0.968 ± 0.018 -0.128 ± 0.070 -0.218 ± 0.214 -12.58 ± 3.96 187.52 ± 4.17
RH10 -0.968 ± 0.018 -0.128 ± 0.070 -0.218 ± 0.214 -12.58 ± 3.96 187.52 ± 4.17
Average -0.933 -0.057 -0.337 -19.802 183.422
Median -0.928 -0.041 -0.314 -18.317 182.999
Deviation 0.033 0.054 0.100 6.117 3.148

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 41.4 ± 4.4 382.5 ± 0.9 3.25 ± 0.26
VC 40.8 ± 3.0 375.7 ± 0.9 3.25 ± 0.26
MX1 47.0 ± 2.8 364.9 ± 0.9 3.25 ± 0.26
MX2 46.6 ± 3.0 367.1 ± 0.9 3.25 ± 0.26
MX3 46.5 ± 3.1 368.0 ± 0.9 3.25 ± 0.26
RH08 40.1 ± 5.3 387.3 ± 0.8 3.25 ± 0.26
RH09 41.2 ± 6.0 388.0 ± 0.8 3.25 ± 0.26
RH10 41.2 ± 6.0 388.0 ± 3.4 3.25 ± 0.26
Average 43.1 377.7 3.25
Median 41.4 382.5 3.25
Deviation 3.0 10.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 70.7 ± 0.7 13.0 ± 0.4 22.6 ± 2.2 33.4 ± 2.1 5.45 ± 0.16 2.12 ± 0.13
VC 71.1 ± 0.7 13.1 ± 0.4 22.8 ± 2.3 33.4 ± 2.1 5.42 ± 0.17 2.14 ± 0.13
MX1 70.5 ± 0.6 11.6 ± 0.3 20.6 ± 2.0 33.9 ± 2.1 6.07 ± 0.17 2.08 ± 0.12
MX2 70.6 ± 0.6 11.7 ± 0.3 20.7 ± 2.1 33.9 ± 2.1 6.03 ± 0.17 2.09 ± 0.12
MX3 70.6 ± 0.6 11.8 ± 0.3 20.8 ± 2.1 33.9 ± 2.1 6.01 ± 0.17 2.09 ± 0.12
RH8 70.2 ± 0.7 13.3 ± 0.4 23.1 ± 2.3 33.3 ± 2.2 5.28 ± 0.15 2.11 ± 0.13
RH9 69.5 ± 0.7 13.0 ± 0.4 22.7 ± 2.3 33.4 ± 2.1 5.34 ± 0.14 2.09 ± 0.13
RH10 69.5 ± 0.7 13.0 ± 0.4 22.7 ± 2.3 33.4 ± 2.1 5.34 ± 0.14 2.09 ± 0.13
Average 70.3 12.6 22.0 33.6 5.6 2.1
Median 70.6 13.0 22.7 33.4 5.5 2.1
Deviation 0.6 0.7 1.1 0.3 0.4 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 22.2 ± 0.5 20.6 ± 0.4 24.9 ± 0.2 46.4 ± 1.1 1.08 ± 0.03 0.48 ± 0.01
VC 22.4 ± 0.3 20.8 ± 0.4 25.1 ± 0.2 46.3 ± 1.1 1.07 ± 0.02 0.48 ± 0.01
MX1 22.1 ± 0.4 18.4 ± 0.3 22.7 ± 0.2 47.3 ± 1.1 1.20 ± 0.03 0.47 ± 0.01
MX2 22.2 ± 0.4 18.5 ± 0.3 22.8 ± 0.2 47.3 ± 1.1 1.20 ± 0.03 0.47 ± 0.01
MX3 22.2 ± 0.4 18.6 ± 0.3 22.9 ± 0.2 47.2 ± 1.1 1.20 ± 0.03 0.47 ± 0.01
RH8 22.1 ± 0.6 21.1 ± 0.4 25.4 ± 0.2 46.1 ± 1.1 1.05 ± 0.03 0.48 ± 0.01
RH9 22.1 ± 0.7 20.7 ± 0.4 25.0 ± 0.2 46.3 ± 1.1 1.07 ± 0.03 0.48 ± 0.02
RH10 22.1 ± 0.7 20.7 ± 0.4 25.0 ± 0.2 46.3 ± 1.1 1.07 ± 0.03 0.48 ± 0.02
Average 22.2 19.9 24.2 46.7 1.1 0.5
Median 22.2 20.7 25.0 46.4 1.1 0.5
Deviation 0.1 1.2 1.2 0.5 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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