CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20141490826
Observation time: 05/29/2014 149.35172 0826 [UT]

Wind spacecraft

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Asymptotic parameters
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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 2014
Fractional day of year 149.351719
Arrival time of shock [seconds of day] 30388.5 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 223.888
Y GSE location of spacecraft [Re] -100.637
Z GSE location of spacecraft [Re] 7.164
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0185
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0150
Minimum chisq/dof for RH8,RH9,RH10 4.25, 11.43, 12.04
Event added to database
Mon Sep 8 10:18:00 2014
Event last processed
Tue May 17 16:25:04 2016
Method selected
RH08
Propagation delay to Earth [minutes]
62.809 ± 1.367

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -321.7 ± 3.2 -348.9 ± 4.9
Vy GSE [km/s] 7.9 ± 2.5 19.3 ± 7.0
Vz GSE [km/s] 8.6 ± 1.9 6.5 ± 1.9
Wi [km/s] 21.6 ± 0.8 28.7 ± 1.8
We [km/s] 681.8 ± 26.4 906.2 ± 56.9
Ni [n/cc] 4.4 ± 0.3 7.9 ± 0.6
Bx GSE [nT] -1.6 ± 0.3 -1.1 ± 0.5
By GSE [nT] 0.7 ± 0.2 0.1 ± 1.1
Bz GSE [nT] -4.4 ± 0.1 -7.2 ± 0.2
Plasma Beta
0.191 ± 0.200
0.252 ± 0.265
Sound Speed [km/s]
27.83 ± 1.08
36.99 ± 2.32
Alfven Speed [km/s]
49.49 ± 1.33
57.22 ± 1.48

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.875 ± 0.201 0.357 ± 0.465 -0.328 ± 0.316 -19.15 ± 12.90 157.80 ± 30.40
VC -0.923 ± 0.080 0.377 ± 0.196 -0.075 ± 0.075 -4.31 ± 5.22 157.80 ± 12.17
MX1 -0.904 ± 0.092 0.351 ± 0.182 -0.246 ± 0.241 -14.23 ± 14.99 158.77 ± 11.46
MX2 -0.914 ± 0.087 0.328 ± 0.183 -0.240 ± 0.236 -13.91 ± 14.62 160.25 ± 11.41
MX3 -0.926 ± 0.081 0.297 ± 0.189 -0.233 ± 0.229 -13.50 ± 14.11 162.23 ± 11.61
RH08 -0.995 ± 0.002 0.026 ± 0.039 -0.095 ± 0.095 -5.45 ± 1.36 178.50 ± 2.26
RH09 -0.971 ± 0.017 0.163 ± 0.070 -0.173 ± 0.171 -9.97 ± 4.03 170.47 ± 4.10
RH10 -0.973 ± 0.016 0.163 ± 0.069 -0.162 ± 0.161 -9.32 ± 4.03 170.47 ± 4.07
Average -0.935 0.258 -0.194 -11.231 164.535
Median -0.923 0.328 -0.173 -9.973 162.231
Deviation 0.041 0.126 0.084 4.935 7.683

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 48.9 ± 3.6 347.9 ± 2.1 1.79 ± 0.07
VC 63.7 ± 3.6 367.2 ± 2.2 1.79 ± 0.07
MX1 53.8 ± 3.7 358.2 ± 2.2 1.79 ± 0.07
MX2 54.2 ± 3.8 361.0 ± 2.1 1.79 ± 0.07
MX3 54.7 ± 3.8 364.6 ± 2.1 1.79 ± 0.07
RH08 64.2 ± 4.3 381.7 ± 1.8 1.79 ± 0.07
RH09 58.7 ± 4.1 379.2 ± 1.9 1.79 ± 0.07
RH10 59.4 ± 4.1 380.0 ± 10.4 1.79 ± 0.07
Average 57.2 367.5 1.79
Median 58.7 367.2 1.79
Deviation 5.3 12.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 66.5 ± 2.5 16.7 ± 0.5 32.5 ± 0.9 54.3 ± 1.0 3.99 ± 0.09 1.23 ± 0.05
VC 67.8 ± 2.3 10.9 ± 0.3 21.9 ± 0.6 55.7 ± 0.9 6.21 ± 0.15 1.22 ± 0.04
MX1 66.9 ± 2.5 14.8 ± 0.4 29.2 ± 0.8 54.8 ± 1.0 4.52 ± 0.11 1.22 ± 0.05
MX2 66.6 ± 2.6 14.7 ± 0.4 29.0 ± 0.8 54.9 ± 1.0 4.54 ± 0.11 1.21 ± 0.05
MX3 66.3 ± 2.7 14.5 ± 0.4 28.6 ± 0.8 54.9 ± 1.0 4.57 ± 0.12 1.21 ± 0.05
RH8 62.2 ± 3.3 10.7 ± 0.3 21.5 ± 0.6 55.8 ± 0.9 5.79 ± 0.21 1.11 ± 0.06
RH9 66.9 ± 3.0 12.9 ± 0.4 25.7 ± 0.7 55.3 ± 1.0 5.18 ± 0.15 1.21 ± 0.05
RH10 67.1 ± 3.0 12.7 ± 0.3 25.2 ± 0.7 55.4 ± 1.0 5.29 ± 0.15 1.21 ± 0.05
Average 66.3 13.5 26.7 55.1 5.0 1.2
Median 66.9 14.5 28.6 55.3 5.2 1.2
Deviation 1.7 2.1 3.8 0.5 0.7 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 38.0 ± 5.2 21.5 ± 1.0 37.6 ± 1.0 64.7 ± 1.6 1.78 ± 0.30 0.59 ± 0.08
VC 38.3 ± 5.8 14.0 ± 0.6 25.3 ± 0.7 66.7 ± 1.7 2.74 ± 0.49 0.57 ± 0.09
MX1 37.8 ± 5.4 19.1 ± 0.9 33.8 ± 0.9 65.4 ± 1.6 1.99 ± 0.34 0.58 ± 0.08
MX2 37.5 ± 5.4 18.9 ± 0.9 33.5 ± 0.9 65.5 ± 1.6 1.99 ± 0.34 0.57 ± 0.08
MX3 37.3 ± 5.3 18.7 ± 0.9 33.1 ± 0.9 65.6 ± 1.6 2.01 ± 0.34 0.57 ± 0.08
RH8 34.6 ± 4.8 13.8 ± 0.6 24.9 ± 0.6 66.8 ± 1.7 2.52 ± 0.38 0.52 ± 0.07
RH9 38.3 ± 5.0 16.6 ± 0.8 29.7 ± 0.8 66.1 ± 1.7 2.31 ± 0.35 0.58 ± 0.07
RH10 38.4 ± 5.0 16.3 ± 0.8 29.1 ± 0.8 66.2 ± 1.7 2.37 ± 0.36 0.58 ± 0.07
Average 37.5 17.3 30.9 65.9 2.2 0.6
Median 38.0 18.7 33.1 66.1 2.3 0.6
Deviation 1.2 2.7 4.4 0.7 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 Wed Jan 22 21:47:00 2020
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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