CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20140071434
Observation time: 01/07/2014 7.60755 1434 [UT]

Wind spacecraft

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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 7.607552
Arrival time of shock [seconds of day] 52492.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 195.214
Y GSE location of spacecraft [Re] -27.765
Z GSE location of spacecraft [Re] -13.985
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0238
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0204
Minimum chisq/dof for RH8,RH9,RH10 12.20, 27.57, 38.28
Event added to database
Wed Jun 11 00:16:48 2014
Event last processed
Wed Jun 11 02:40:09 2014
Method selected
RH08
Propagation delay to Earth [minutes]
36.278 ± 4.001

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -348.2 ± 3.6 -402.0 ± 4.4
Vy GSE [km/s] -9.9 ± 5.5 -40.3 ± 2.4
Vz GSE [km/s] 13.5 ± 3.1 51.7 ± 3.3
Wi [km/s] 29.5 ± 2.0 38.4 ± 0.7
We [km/s] 932.2 ± 62.9 1214.8 ± 22.3
Ni [n/cc] 5.1 ± 0.2 10.3 ± 0.5
Bx GSE [nT] -2.2 ± 0.3 -4.5 ± 0.4
By GSE [nT] -1.1 ± 0.5 -0.4 ± 0.8
Bz GSE [nT] -2.1 ± 0.7 -5.4 ± 0.2
Plasma Beta
0.893 ± 1.006
0.635 ± 0.640
Sound Speed [km/s]
38.06 ± 2.57
49.59 ± 0.91
Alfven Speed [km/s]
32.12 ± 5.34
48.23 ± 1.19

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.677 ± 0.581 -0.734 ± 0.536 0.056 ± 0.056 3.20 ± 18.61 227.32 ± 45.34
VC -0.741 ± 0.047 -0.417 ± 0.061 0.526 ± 0.471 31.74 ± 4.15 209.35 ± 4.51
MX1 -0.781 ± 0.063 -0.426 ± 0.072 0.456 ± 0.421 27.13 ± 7.31 208.62 ± 4.86
MX2 -0.782 ± 0.057 -0.422 ± 0.065 0.459 ± 0.423 27.30 ± 6.61 208.33 ± 4.41
MX3 -0.783 ± 0.055 -0.419 ± 0.067 0.459 ± 0.424 27.35 ± 6.17 208.15 ± 4.58
RH08 -0.804 ± 0.006 -0.385 ± 0.008 0.453 ± 0.419 26.91 ± 0.64 205.57 ± 0.55
RH09 -0.126 ± 0.064 -0.989 ± 0.009 -0.073 ± 0.072 -4.16 ± 3.62 262.73 ± 3.71
RH10 -0.004 ± 0.070 -0.989 ± 0.011 -0.151 ± 0.150 -8.68 ± 4.03 269.75 ± 4.07
Average -0.587 -0.598 0.273 16.349 224.977
Median -0.741 -0.422 0.456 27.135 209.351
Deviation 0.326 0.266 0.279 16.586 26.415

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 48.1 ± 6.6 361.5 ± 1.2 2.05 ± 0.17
VC 72.3 ± 7.9 410.6 ± 1.3 2.05 ± 0.17
MX1 67.7 ± 8.0 422.7 ± 1.3 2.05 ± 0.17
MX2 67.9 ± 8.0 423.1 ± 1.3 2.05 ± 0.17
MX3 67.9 ± 8.0 423.4 ± 1.3 2.05 ± 0.17
RH08 67.5 ± 8.2 430.1 ± 1.3 2.05 ± 0.17
RH09 62.1 ± 8.0 120.3 ± 1.0 2.05 ± 0.17
RH10 64.1 ± 8.8 58.3 ± 6.9 2.05 ± 0.17
Average 64.7 331.2 2.05
Median 67.7 422.7 2.05
Deviation 7.3 151.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 117.8 ± 5.6 17.3 ± 1.5 21.4 ± 3.6 46.9 ± 3.9 6.86 ± 0.71 2.53 ± 0.27
VC 141.3 ± 4.9 7.5 ± 0.7 9.8 ± 1.6 49.4 ± 4.1 19.02 ± 1.94 2.88 ± 0.29
MX1 140.3 ± 5.0 9.4 ± 0.8 12.2 ± 2.0 49.1 ± 4.1 15.06 ± 1.54 2.88 ± 0.29
MX2 140.3 ± 5.0 9.3 ± 0.8 12.1 ± 2.0 49.1 ± 4.1 15.18 ± 1.55 2.88 ± 0.29
MX3 140.4 ± 5.0 9.3 ± 0.8 12.1 ± 2.0 49.1 ± 4.1 15.21 ± 1.56 2.88 ± 0.29
RH8 140.1 ± 4.9 9.5 ± 0.8 12.3 ± 2.0 49.0 ± 4.1 14.88 ± 1.52 2.88 ± 0.29
RH9 67.5 ± 5.7 11.7 ± 1.0 15.0 ± 2.5 48.6 ± 4.1 5.80 ± 0.69 1.40 ± 0.17
RH10 49.0 ± 5.5 10.9 ± 1.0 14.0 ± 2.3 48.8 ± 4.1 4.54 ± 0.63 1.01 ± 0.15
Average 117.1 10.6 13.6 48.7 12.1 2.4
Median 140.3 9.5 12.3 49.1 15.1 2.9
Deviation 37.5 3.0 3.5 0.8 5.4 0.8

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 56.9 ± 3.7 24.7 ± 0.5 32.2 ± 0.8 64.6 ± 1.2 2.30 ± 0.13 0.88 ± 0.05
VC 68.6 ± 2.5 10.6 ± 0.2 14.7 ± 0.4 68.4 ± 1.2 6.44 ± 0.22 1.00 ± 0.04
MX1 67.8 ± 2.8 13.4 ± 0.2 18.3 ± 0.5 67.9 ± 1.2 5.08 ± 0.20 1.00 ± 0.04
MX2 67.9 ± 2.8 13.3 ± 0.2 18.2 ± 0.4 67.9 ± 1.2 5.12 ± 0.20 1.00 ± 0.04
MX3 67.9 ± 2.8 13.2 ± 0.2 18.1 ± 0.4 67.9 ± 1.2 5.13 ± 0.20 1.00 ± 0.04
RH8 67.8 ± 2.9 13.5 ± 0.2 18.5 ± 0.5 67.9 ± 1.2 5.02 ± 0.20 1.00 ± 0.04
RH9 33.4 ± 2.7 16.7 ± 0.3 22.6 ± 0.6 67.1 ± 1.2 2.00 ± 0.14 0.50 ± 0.03
RH10 24.5 ± 2.7 15.5 ± 0.3 21.0 ± 0.5 67.4 ± 1.2 1.58 ± 0.15 0.36 ± 0.04
Average 56.8 15.1 20.4 67.4 4.1 0.8
Median 67.8 13.5 18.5 67.9 5.1 1.0
Deviation 17.8 4.3 5.3 1.2 1.8 0.3

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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