CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20130440258
Observation time: 02/13/2013 44.12429 0258 [UT]

Wind spacecraft

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Asymptotic parameters
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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 2013
Fractional day of year 44.124288
Arrival time of shock [seconds of day] 10738.5 ± 30.0
Shock type SR
Electron data availability 0
X GSE location of spacecraft [Re] 199.872
Y GSE location of spacecraft [Re] 66.882
Z GSE location of spacecraft [Re] -14.483
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0189
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0110
Minimum chisq/dof for RH8,RH9,RH10 10.10, 18.78, 26.32
Event added to database
Tue Oct 8 15:02:25 2013
Event last processed
Tue Oct 8 16:43:18 2013
Method selected
RH08
Propagation delay to Earth [minutes]
143.010 ± 315.411

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -387.1 ± 1.0 -405.2 ± 1.1
Vy GSE [km/s] -10.0 ± 1.7 0.5 ± 3.2
Vz GSE [km/s] -12.7 ± 1.6 -14.7 ± 0.6
Wi [km/s] 31.7 ± 1.1 27.7 ± 0.8
We [km/s] 1003.5 ± 34.5 877.1 ± 24.0
Ni [n/cc] 12.4 ± 0.4 17.6 ± 0.3
Bx GSE [nT] 1.4 ± 0.4 -6.0 ± 0.5
By GSE [nT] -7.8 ± 0.2 -1.9 ± 1.3
Bz GSE [nT] 0.2 ± 0.6 -1.6 ± 0.4
Plasma Beta
0.417 ± 0.398
0.663 ± 0.653
Sound Speed [km/s]
40.97 ± 1.41
35.81 ± 0.98
Alfven Speed [km/s]
49.29 ± 1.85
34.08 ± 1.46

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.593 ± 0.051 -0.788 ± 0.039 -0.164 ± 0.162 -9.44 ± 3.13 233.05 ± 3.70
VC -0.865 ± 0.056 0.492 ± 0.099 -0.095 ± 0.095 -5.45 ± 4.24 150.38 ± 6.52
MX1 -0.616 ± 0.052 -0.786 ± 0.041 -0.058 ± 0.058 -3.31 ± 2.27 231.93 ± 3.79
MX2 -0.569 ± 0.051 -0.783 ± 0.040 -0.250 ± 0.245 -14.47 ± 4.75 234.01 ± 3.60
MX3 -0.613 ± 0.081 -0.620 ± 0.081 0.490 ± 0.446 29.31 ± 8.77 225.31 ± 5.65
RH08 -0.063 ± 0.011 0.201 ± 0.003 0.978 ± 0.286 77.86 ± 0.00 107.30 ± 3.04
RH09 -0.066 ± 0.066 0.200 ± 0.052 0.978 ± 0.286 77.86 ± 2.95 108.30 ± 18.52
RH10 -0.073 ± 0.067 0.197 ± 0.055 0.978 ± 0.286 77.86 ± 3.07 110.31 ± 18.81
Average -0.432 -0.236 0.357 28.780 175.074
Median -0.569 0.197 0.490 29.314 225.312
Deviation 0.316 0.555 0.559 42.696 61.468

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 48.3 ± 4.2 247.9 ± 1.7 1.45 ± 0.03
VC 50.4 ± 3.5 405.5 ± 3.1 1.45 ± 0.03
MX1 48.5 ± 3.8 256.5 ± 1.7 1.45 ± 0.03
MX2 48.5 ± 4.5 239.0 ± 1.7 1.45 ± 0.03
MX3 59.0 ± 2.1 250.2 ± 1.6 1.45 ± 0.03
RH08 79.7 ± 4.4 15.9 ± 1.1 1.45 ± 0.03
RH09 79.7 ± 4.4 17.4 ± 1.1 1.45 ± 0.03
RH10 79.8 ± 4.4 20.5 ± 4.0 1.45 ± 0.03
Average 61.7 181.6 1.45
Median 59.0 247.9 1.45
Deviation 15.3 145.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 8.4 ± 1.5 22.4 ± 0.5 32.8 ± 1.2 60.1 ± 1.5 0.38 ± 0.07 0.14 ± 0.03
VC 74.2 ± 1.2 21.3 ± 0.5 31.4 ± 1.2 60.5 ± 1.5 3.49 ± 0.12 1.23 ± 0.04
MX1 9.6 ± 1.4 22.2 ± 0.5 32.6 ± 1.2 60.1 ± 1.5 0.43 ± 0.07 0.16 ± 0.03
MX2 7.8 ± 1.5 22.2 ± 0.5 32.7 ± 1.2 60.1 ± 1.5 0.35 ± 0.07 0.13 ± 0.03
MX3 12.9 ± 1.3 16.8 ± 0.4 25.4 ± 1.0 61.9 ± 1.5 0.77 ± 0.09 0.21 ± 0.03
RH8 6.1 ± 1.7 5.7 ± 0.1 8.9 ± 0.3 63.9 ± 1.6 1.07 ± 0.32 0.10 ± 0.03
RH9 6.2 ± 1.7 5.7 ± 0.1 8.8 ± 0.3 63.9 ± 1.6 1.11 ± 0.32 0.10 ± 0.03
RH10 6.6 ± 1.7 5.6 ± 0.1 8.8 ± 0.3 63.9 ± 1.6 1.18 ± 0.32 0.10 ± 0.03
Average 16.5 15.2 22.7 61.8 1.1 0.3
Median 8.4 21.3 31.4 61.9 1.1 0.1
Deviation 23.4 8.1 11.7 1.8 1.0 0.4

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 5.7 ± 1.8 17.6 ± 0.6 22.7 ± 1.0 46.2 ± 1.6 0.32 ± 0.09 0.12 ± 0.03
VC 53.2 ± 2.5 16.7 ± 0.6 21.7 ± 0.9 46.5 ± 1.6 3.18 ± 0.27 1.14 ± 0.09
MX1 6.6 ± 1.8 17.5 ± 0.6 22.6 ± 1.0 46.2 ± 1.6 0.38 ± 0.09 0.14 ± 0.03
MX2 5.2 ± 1.7 17.5 ± 0.6 22.6 ± 1.0 46.2 ± 1.6 0.30 ± 0.09 0.11 ± 0.03
MX3 9.3 ± 1.6 13.2 ± 0.5 17.5 ± 0.8 47.6 ± 1.6 0.70 ± 0.10 0.19 ± 0.03
RH8 4.8 ± 0.1 4.4 ± 0.2 6.1 ± 0.3 49.2 ± 1.7 1.08 ± 0.07 0.10 ± 0.01
RH9 4.9 ± 0.1 4.4 ± 0.2 6.1 ± 0.3 49.2 ± 1.7 1.11 ± 0.07 0.10 ± 0.01
RH10 5.2 ± 0.1 4.4 ± 0.2 6.1 ± 0.3 49.2 ± 1.7 1.18 ± 0.07 0.11 ± 0.01
Average 11.9 12.0 15.7 47.6 1.0 0.3
Median 5.7 16.7 21.7 47.6 1.1 0.1
Deviation 16.7 6.4 8.1 1.5 0.9 0.4

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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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