CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20140981229
Observation time: 04/08/2014 98.52030 1229 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
Key parameters
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 98.520295
Arrival time of shock [seconds of day] 44953.5 ± 80.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 260.357
Y GSE location of spacecraft [Re] 15.075
Z GSE location of spacecraft [Re] 18.875
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0244
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0187
Minimum chisq/dof for RH8,RH9,RH10 3.18, 5.03, 5.51
Event added to database
Wed Jun 11 01:47:31 2014
Event last processed
Wed Jun 11 03:10:14 2014
Method selected
RH08
Propagation delay to Earth [minutes]
68.283 ± 11.078

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -399.3 ± 2.6 -442.4 ± 2.4
Vy GSE [km/s] 18.9 ± 5.0 48.1 ± 3.6
Vz GSE [km/s] -13.7 ± 3.6 -48.0 ± 1.1
Wi [km/s] 27.3 ± 2.1 51.6 ± 1.7
We [km/s] 863.1 ± 65.3 1632.4 ± 52.6
Ni [n/cc] 1.8 ± 0.3 3.9 ± 0.2
Bx GSE [nT] -4.8 ± 0.3 3.0 ± 0.3
By GSE [nT] 2.6 ± 0.1 -1.0 ± 0.4
Bz GSE [nT] -4.3 ± 0.4 4.4 ± 0.1
Plasma Beta
0.059 ± 0.060
0.752 ± 0.760
Sound Speed [km/s]
35.24 ± 2.67
66.64 ± 2.15
Alfven Speed [km/s]
115.25 ± 11.93
59.83 ± 3.03

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.437 ± 0.093 0.622 ± 0.071 0.650 ± 0.538 40.53 ± 3.47 125.13 ± 8.31
VC -0.694 ± 0.039 0.465 ± 0.050 -0.550 ± 0.486 -33.36 ± 2.85 146.15 ± 3.91
MX1 -0.785 ± 0.530 0.469 ± 0.868 0.404 ± 0.381 23.84 ± 18.79 149.13 ± 63.15
MX2 -0.363 ± 0.089 0.698 ± 0.055 0.617 ± 0.523 38.11 ± 3.29 117.50 ± 7.19
MX3 -0.307 ± 0.150 0.755 ± 0.076 0.579 ± 0.504 35.40 ± 4.92 112.09 ± 11.31
RH08 -0.730 ± 0.024 -0.522 ± 0.031 0.441 ± 0.410 26.19 ± 1.76 215.60 ± 2.35
RH09 -0.738 ± 0.041 -0.490 ± 0.056 0.464 ± 0.427 27.63 ± 3.03 213.59 ± 4.22
RH10 -0.730 ± 0.040 -0.522 ± 0.052 0.441 ± 0.410 26.19 ± 2.98 215.60 ± 3.94
Average -0.598 0.184 0.381 23.066 161.848
Median -0.694 0.469 0.464 27.625 149.126
Deviation 0.194 0.585 0.387 23.628 45.756

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 82.0 ± 2.5 206.2 ± 0.9 2.31 ± 0.48
VC 6.4 ± 2.5 406.8 ± 2.5 2.31 ± 0.48
MX1 61.8 ± 2.2 379.4 ± 1.5 2.31 ± 0.48
MX2 82.2 ± 2.6 178.7 ± 1.0 2.31 ± 0.48
MX3 81.8 ± 2.6 158.4 ± 1.0 2.31 ± 0.48
RH08 88.0 ± 1.4 277.5 ± 0.6 2.31 ± 0.48
RH09 87.7 ± 1.4 282.1 ± 0.6 2.31 ± 0.48
RH10 88.0 ± 1.4 277.5 ± 4.4 2.31 ± 0.48
Average 72.2 270.8 2.31
Median 82.2 277.5 2.31
Deviation 27.9 89.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 28.7 ± 3.0 4.7 ± 0.3 16.0 ± 1.7 120.5 ± 11.0 6.19 ± 0.79 0.24 ± 0.04
VC 113.5 ± 5.6 35.0 ± 2.6 114.5 ± 11.9 115.3 ± 11.9 3.26 ± 0.27 1.00 ± 0.13
MX1 62.6 ± 3.3 16.0 ± 1.0 54.4 ± 5.6 119.5 ± 11.1 3.92 ± 0.32 0.53 ± 0.07
MX2 28.9 ± 3.2 4.6 ± 0.3 15.7 ± 1.6 120.5 ± 11.0 6.33 ± 0.86 0.24 ± 0.04
MX3 29.7 ± 3.5 4.8 ± 0.3 16.4 ± 1.7 120.5 ± 11.0 6.23 ± 0.88 0.25 ± 0.04
RH8 2.1 ± 2.2 1.2 ± 0.1 4.0 ± 0.4 120.6 ± 10.9 1.74 ± 1.89 0.02 ± 0.02
RH9 3.1 ± 2.1 1.3 ± 0.1 4.5 ± 0.5 120.6 ± 10.9 2.30 ± 1.60 0.03 ± 0.02
RH10 2.1 ± 2.2 1.2 ± 0.1 4.0 ± 0.4 120.6 ± 10.9 1.74 ± 1.89 0.02 ± 0.02
Average 33.8 8.6 28.7 119.8 4.0 0.3
Median 28.9 4.7 16.0 120.5 3.9 0.2
Deviation 38.2 11.7 38.4 1.8 2.0 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 14.0 ± 3.2 6.2 ± 0.2 8.3 ± 0.4 89.4 ± 2.0 2.26 ± 0.49 0.16 ± 0.03
VC 51.2 ± 2.5 58.0 ± 2.3 59.5 ± 3.0 68.3 ± 1.3 0.88 ± 0.04 0.75 ± 0.04
MX1 28.9 ± 3.3 21.6 ± 0.6 28.2 ± 1.4 87.0 ± 1.9 1.34 ± 0.14 0.33 ± 0.04
MX2 14.0 ± 3.3 6.1 ± 0.2 8.2 ± 0.4 89.4 ± 2.0 2.30 ± 0.52 0.16 ± 0.04
MX3 14.2 ± 3.4 6.3 ± 0.2 8.5 ± 0.4 89.4 ± 2.0 2.24 ± 0.50 0.16 ± 0.04
RH8 1.0 ± 2.3 1.6 ± 0.0 2.1 ± 0.1 89.6 ± 2.0 0.67 ± 1.51 0.01 ± 0.03
RH9 1.5 ± 2.3 1.7 ± 0.0 2.4 ± 0.1 89.6 ± 2.0 0.86 ± 1.34 0.02 ± 0.03
RH10 1.0 ± 2.3 1.6 ± 0.0 2.1 ± 0.1 89.6 ± 2.0 0.67 ± 1.51 0.01 ± 0.03
Average 15.7 12.9 14.9 86.5 1.4 0.2
Median 14.0 6.2 8.3 89.4 1.3 0.2
Deviation 17.2 19.4 19.9 7.4 0.7 0.2

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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