CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20141101020
Observation time: 04/20/2014 110.43095 1020 [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 110.430955
Arrival time of shock [seconds of day] 37234.5 ± 50.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 259.832
Y GSE location of spacecraft [Re] -26.925
Z GSE location of spacecraft [Re] 20.343
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0196
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0212
Minimum chisq/dof for RH8,RH9,RH10 9.62, 28.88, 30.21
Event added to database
Wed Jun 11 01:52:40 2014
Event last processed
Wed Jun 11 03:14:26 2014
Method selected
RH08
Propagation delay to Earth [minutes]
40.315 ± 3.842

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -515.8 ± 2.7 -590.3 ± 5.5
Vy GSE [km/s] 22.6 ± 4.9 -3.5 ± 10.1
Vz GSE [km/s] -0.8 ± 2.3 28.0 ± 3.8
Wi [km/s] 20.0 ± 0.9 34.5 ± 3.8
We [km/s] 632.9 ± 29.9 1092.1 ± 119.6
Ni [n/cc] 4.1 ± 0.1 13.5 ± 2.0
Bx GSE [nT] 1.0 ± 0.5 5.2 ± 1.0
By GSE [nT] -0.9 ± 0.5 -4.9 ± 1.0
Bz GSE [nT] 6.6 ± 0.3 16.0 ± 0.7
Plasma Beta
0.076 ± 0.078
0.110 ± 0.111
Sound Speed [km/s]
25.84 ± 1.22
44.59 ± 4.88
Alfven Speed [km/s]
72.79 ± 3.42
104.79 ± 5.71

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.681 ± 0.299 0.536 ± 0.372 0.500 ± 0.453 29.98 ± 10.59 141.79 ± 30.97
VC -0.888 ± 0.042 -0.307 ± 0.112 0.341 ± 0.327 19.96 ± 2.93 199.10 ± 7.20
MX1 -0.912 ± 0.043 -0.304 ± 0.118 0.277 ± 0.270 16.09 ± 3.92 198.43 ± 7.44
MX2 -0.913 ± 0.042 -0.291 ± 0.121 0.284 ± 0.276 16.51 ± 3.46 197.68 ± 7.61
MX3 -0.914 ± 0.042 -0.284 ± 0.124 0.288 ± 0.280 16.74 ± 3.23 197.27 ± 7.78
RH08 -0.939 ± 0.006 -0.192 ± 0.022 0.285 ± 0.277 16.55 ± 0.70 191.53 ± 1.36
RH09 -0.928 ± 0.026 -0.241 ± 0.069 0.285 ± 0.277 16.55 ± 3.98 194.54 ± 4.24
RH10 -0.928 ± 0.026 -0.241 ± 0.069 0.285 ± 0.277 16.55 ± 3.98 194.54 ± 4.24
Average -0.888 -0.165 0.318 18.616 189.361
Median -0.913 -0.241 0.285 16.554 197.272
Deviation 0.085 0.286 0.076 4.750 19.383

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 70.8 ± 5.1 441.3 ± 2.2 3.30 ± 0.47
VC 75.6 ± 2.4 575.9 ± 2.3 3.30 ± 0.47
MX1 79.5 ± 2.4 587.8 ± 2.3 3.30 ± 0.47
MX2 79.2 ± 2.5 589.4 ± 2.3 3.30 ± 0.47
MX3 79.1 ± 2.5 590.1 ± 2.3 3.30 ± 0.47
RH08 80.1 ± 2.9 605.6 ± 2.3 3.30 ± 0.47
RH09 79.7 ± 2.7 598.5 ± 2.3 3.30 ± 0.47
RH10 79.7 ± 2.7 598.5 ± 13.4 3.30 ± 0.47
Average 78.0 573.4 3.30
Median 79.5 590.1 3.30
Deviation 3.2 54.1 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 78.5 ± 2.5 8.0 ± 0.4 23.9 ± 1.1 76.8 ± 3.4 9.79 ± 0.57 1.02 ± 0.06
VC 125.0 ± 3.5 6.1 ± 0.3 18.1 ± 0.9 77.0 ± 3.4 20.63 ± 0.84 1.63 ± 0.08
MX1 124.8 ± 3.5 4.4 ± 0.2 13.2 ± 0.6 77.1 ± 3.4 28.16 ± 1.17 1.62 ± 0.08
MX2 125.0 ± 3.4 4.6 ± 0.2 13.6 ± 0.6 77.1 ± 3.4 27.45 ± 1.14 1.62 ± 0.08
MX3 125.1 ± 3.4 4.6 ± 0.2 13.8 ± 0.6 77.1 ± 3.4 27.08 ± 1.12 1.63 ± 0.08
RH8 125.8 ± 3.1 4.2 ± 0.2 12.5 ± 0.6 77.1 ± 3.4 30.07 ± 1.26 1.63 ± 0.08
RH9 125.6 ± 3.3 4.4 ± 0.2 13.1 ± 0.6 77.1 ± 3.4 28.73 ± 1.20 1.63 ± 0.08
RH10 125.6 ± 3.3 4.4 ± 0.2 13.1 ± 0.6 77.1 ± 3.4 28.73 ± 1.20 1.63 ± 0.08
Average 119.4 5.1 15.2 77.1 25.1 1.6
Median 125.1 4.6 13.6 77.1 28.2 1.6
Deviation 16.5 1.3 3.9 0.1 6.8 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 27.4 ± 8.0 13.5 ± 1.3 34.4 ± 1.9 113.1 ± 5.9 2.07 ± 0.73 0.24 ± 0.08
VC 41.0 ± 6.2 10.2 ± 1.0 26.0 ± 1.4 113.5 ± 6.0 4.02 ± 0.56 0.36 ± 0.06
MX1 41.0 ± 6.2 7.5 ± 0.7 19.1 ± 1.0 113.7 ± 6.0 5.49 ± 0.76 0.36 ± 0.06
MX2 41.2 ± 6.2 7.7 ± 0.7 19.6 ± 1.1 113.7 ± 6.0 5.38 ± 0.75 0.36 ± 0.06
MX3 41.3 ± 6.2 7.8 ± 0.7 19.9 ± 1.1 113.7 ± 6.0 5.31 ± 0.74 0.36 ± 0.06
RH8 42.6 ± 6.0 7.0 ± 0.7 18.0 ± 1.0 113.7 ± 6.0 6.06 ± 0.88 0.37 ± 0.06
RH9 42.0 ± 6.1 7.4 ± 0.7 18.8 ± 1.0 113.7 ± 6.0 5.71 ± 0.81 0.37 ± 0.06
RH10 42.0 ± 6.1 7.4 ± 0.7 18.8 ± 1.0 113.7 ± 6.0 5.71 ± 0.81 0.37 ± 0.06
Average 39.8 8.6 21.8 113.6 5.0 0.4
Median 41.3 7.7 19.6 113.7 5.5 0.4
Deviation 5.0 2.2 5.7 0.2 1.3 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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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