CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20141250234
Observation time: 05/05/2014 125.10727 0234 [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
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2014
Fractional day of year 125.107274
Arrival time of shock [seconds of day] 9268.5 ± 20.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 250.495
Y GSE location of spacecraft [Re] -68.982
Z GSE location of spacecraft [Re] 18.166
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0166
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0172
Minimum chisq/dof for RH8,RH9,RH10 1.69, 1.90, 2.06
Event added to database
Mon Sep 8 09:57:39 2014
Event last processed
Mon Sep 8 15:28:50 2014
Method selected
RH08
Propagation delay to Earth [minutes]
57.308 ± 3.770

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -349.6 ± 4.5 -375.5 ± 1.0
Vy GSE [km/s] -4.0 ± 0.7 22.3 ± 1.5
Vz GSE [km/s] 20.2 ± 7.4 -14.1 ± 1.2
Wi [km/s] 22.9 ± 5.5 30.9 ± 1.7
We [km/s] 723.5 ± 172.4 976.1 ± 54.8
Ni [n/cc] 9.4 ± 0.9 13.5 ± 1.2
Bx GSE [nT] 6.0 ± 0.3 -0.5 ± 0.3
By GSE [nT] -6.7 ± 0.6 0.2 ± 1.0
Bz GSE [nT] 4.8 ± 1.1 -8.0 ± 0.1
Plasma Beta
0.105 ± 0.112
0.415 ± 0.433
Sound Speed [km/s]
29.54 ± 7.04
39.85 ± 2.24
Alfven Speed [km/s]
73.42 ± 3.86
48.22 ± 2.82

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.519 ± 0.061 0.616 ± 0.056 0.593 ± 0.511 36.34 ± 4.32 130.10 ± 4.95
VC -0.515 ± 0.081 0.528 ± 0.082 -0.675 ± 0.547 -42.44 ± 8.15 134.30 ± 4.99
MX1 -0.605 ± 0.170 0.544 ± 0.186 0.581 ± 0.505 35.51 ± 5.85 138.02 ± 17.23
MX2 -0.539 ± 0.086 0.600 ± 0.080 0.591 ± 0.510 36.25 ± 4.24 131.97 ± 7.73
MX3 -0.791 ± 0.344 0.415 ± 0.603 0.450 ± 0.417 26.74 ± 20.31 152.33 ± 43.36
RH08 -0.855 ± 0.026 -0.485 ± 0.044 0.184 ± 0.182 10.62 ± 2.13 209.58 ± 2.96
RH09 -0.855 ± 0.032 -0.485 ± 0.054 0.184 ± 0.182 10.62 ± 2.73 209.58 ± 3.62
RH10 -0.855 ± 0.033 -0.485 ± 0.056 0.184 ± 0.182 10.62 ± 2.73 209.58 ± 3.75
Average -0.692 0.156 0.262 15.534 164.434
Median -0.605 0.528 0.450 26.736 152.325
Deviation 0.161 0.534 0.423 26.242 37.985

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 64.1 ± 7.0 219.4 ± 2.1 1.45 ± 0.17
VC 14.8 ± 7.0 332.3 ± 12.8 1.45 ± 0.17
MX1 63.6 ± 6.9 252.4 ± 2.1 1.45 ± 0.17
MX2 64.0 ± 7.0 227.1 ± 2.1 1.45 ± 0.17
MX3 58.0 ± 6.3 335.8 ± 3.0 1.45 ± 0.17
RH08 84.4 ± 1.2 310.3 ± 1.8 1.45 ± 0.17
RH09 84.4 ± 1.2 310.3 ± 1.8 1.45 ± 0.17
RH10 84.4 ± 1.2 310.3 ± 8.6 1.45 ± 0.17
Average 64.7 287.3 1.45
Median 64.1 310.3 1.45
Deviation 23.0 46.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 28.5 ± 6.4 12.0 ± 2.6 32.0 ± 1.7 78.5 ± 2.0 2.65 ± 1.55 0.36 ± 0.07
VC 167.9 ± 3.0 28.3 ± 6.7 71.0 ± 3.7 73.9 ± 3.6 6.30 ± 2.00 2.28 ± 0.14
MX1 31.3 ± 6.7 12.2 ± 2.7 32.7 ± 1.7 78.5 ± 2.0 2.85 ± 1.64 0.40 ± 0.08
MX2 29.0 ± 6.4 12.0 ± 2.6 32.1 ± 1.7 78.5 ± 2.0 2.69 ± 1.57 0.37 ± 0.07
MX3 51.9 ± 6.6 14.6 ± 3.2 38.9 ± 2.0 78.0 ± 2.1 3.87 ± 1.83 0.66 ± 0.07
RH8 5.9 ± 5.5 2.7 ± 0.6 7.2 ± 0.4 79.4 ± 1.7 2.87 ± 3.72 0.07 ± 0.07
RH9 5.9 ± 5.5 2.7 ± 0.6 7.2 ± 0.4 79.4 ± 1.7 2.87 ± 3.72 0.07 ± 0.07
RH10 5.9 ± 5.5 2.7 ± 0.6 7.2 ± 0.4 79.4 ± 1.7 2.87 ± 3.72 0.07 ± 0.07
Average 40.8 10.9 28.5 78.2 3.4 0.5
Median 29.0 12.0 32.1 78.5 2.9 0.4
Deviation 53.9 8.7 21.8 1.8 1.2 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 19.2 ± 0.9 13.7 ± 0.5 21.0 ± 1.2 61.1 ± 2.1 1.40 ± 0.07 0.31 ± 0.02
VC 117.5 ± 1.7 36.5 ± 1.7 46.6 ± 2.7 50.8 ± 2.3 3.22 ± 0.14 2.32 ± 0.09
MX1 21.3 ± 0.8 14.0 ± 0.5 21.5 ± 1.3 61.0 ± 2.1 1.52 ± 0.07 0.35 ± 0.02
MX2 19.6 ± 0.9 13.8 ± 0.5 21.1 ± 1.2 61.1 ± 2.1 1.42 ± 0.07 0.32 ± 0.02
MX3 36.0 ± 0.8 16.9 ± 0.6 25.5 ± 1.5 60.3 ± 2.1 2.13 ± 0.07 0.60 ± 0.02
RH8 2.8 ± 0.8 3.0 ± 0.1 4.7 ± 0.3 62.5 ± 2.1 0.95 ± 0.27 0.05 ± 0.01
RH9 2.8 ± 0.8 3.0 ± 0.1 4.7 ± 0.3 62.5 ± 2.1 0.95 ± 0.27 0.05 ± 0.01
RH10 2.8 ± 0.8 3.0 ± 0.1 4.7 ± 0.3 62.5 ± 2.1 0.95 ± 0.27 0.05 ± 0.01
Average 27.8 13.0 18.7 60.2 1.6 0.5
Median 19.6 13.8 21.1 61.1 1.4 0.3
Deviation 38.1 11.1 14.3 3.9 0.8 0.8

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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