CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20140440855
Observation time: 02/13/2014 44.37186 0855 [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 44.371858
Arrival time of shock [seconds of day] 32128.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 204.450
Y GSE location of spacecraft [Re] 88.638
Z GSE location of spacecraft [Re] -9.424
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0210
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0120
Minimum chisq/dof for RH8,RH9,RH10 11.81, 22.38, 24.33
Event added to database
Wed Jun 11 01:29:03 2014
Event last processed
Wed Jun 11 02:54:42 2014
Method selected
RH08
Propagation delay to Earth [minutes]
47.064 ± 2.085

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -362.2 ± 1.0 -402.3 ± 2.3
Vy GSE [km/s] -7.2 ± 1.4 -21.3 ± 2.2
Vz GSE [km/s] -0.2 ± 1.3 -2.4 ± 1.9
Wi [km/s] 10.7 ± 0.4 16.4 ± 0.9
We [km/s] 338.9 ± 11.3 519.9 ± 28.6
Ni [n/cc] 3.7 ± 0.1 6.0 ± 0.3
Bx GSE [nT] 1.5 ± 0.1 1.1 ± 0.3
By GSE [nT] -2.4 ± 0.1 -4.2 ± 0.3
Bz GSE [nT] 5.0 ± 0.1 8.4 ± 0.1
Plasma Beta
0.028 ± 0.027
0.038 ± 0.038
Sound Speed [km/s]
13.84 ± 0.46
21.23 ± 1.17
Alfven Speed [km/s]
64.68 ± 0.82
84.54 ± 1.14

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.990 ± 0.018 -0.001 ± 0.275 -0.139 ± 0.138 -8.00 ± 7.57 180.08 ± 15.88
VC -0.942 ± 0.016 -0.331 ± 0.045 -0.048 ± 0.048 -2.76 ± 2.65 199.38 ± 2.73
MX1 -0.948 ± 0.020 -0.221 ± 0.052 -0.230 ± 0.226 -13.31 ± 4.20 193.13 ± 3.14
MX2 -0.945 ± 0.020 -0.230 ± 0.045 -0.234 ± 0.229 -13.51 ± 4.22 193.65 ± 2.74
MX3 -0.941 ± 0.020 -0.242 ± 0.036 -0.238 ± 0.234 -13.79 ± 4.27 194.41 ± 2.20
RH08 -0.972 ± 0.003 -0.128 ± 0.014 -0.196 ± 0.193 -11.28 ± 0.71 187.52 ± 0.82
RH09 -0.976 ± 0.015 -0.094 ± 0.071 -0.196 ± 0.193 -11.28 ± 3.85 185.52 ± 4.14
RH10 -0.980 ± 0.014 -0.077 ± 0.070 -0.184 ± 0.182 -10.62 ± 3.96 184.51 ± 4.11
Average -0.962 -0.166 -0.183 -10.569 189.776
Median -0.948 -0.128 -0.196 -11.276 193.131
Deviation 0.020 0.108 0.064 3.686 6.380

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 67.7 ± 1.1 468.3 ± 2.7 1.61 ± 0.06
VC 81.5 ± 0.7 459.6 ± 2.8 1.61 ± 0.06
MX1 69.3 ± 0.7 458.4 ± 2.8 1.61 ± 0.06
MX2 69.4 ± 0.7 457.5 ± 2.8 1.61 ± 0.06
MX3 69.5 ± 0.7 456.1 ± 2.8 1.61 ± 0.06
RH08 68.3 ± 0.9 465.6 ± 2.8 1.61 ± 0.06
RH09 67.4 ± 0.9 465.9 ± 2.8 1.61 ± 0.06
RH10 67.5 ± 1.0 466.9 ± 13.2 1.61 ± 0.06
Average 70.1 462.3 1.61
Median 69.3 465.6 1.61
Deviation 4.7 4.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 109.6 ± 0.9 5.1 ± 0.2 24.5 ± 0.3 65.9 ± 0.8 21.30 ± 0.63 1.66 ± 0.03
VC 116.0 ± 0.8 2.0 ± 0.1 9.5 ± 0.1 66.1 ± 0.8 58.26 ± 1.76 1.75 ± 0.03
MX1 113.5 ± 0.8 4.8 ± 0.2 22.8 ± 0.3 66.0 ± 0.8 23.70 ± 0.71 1.72 ± 0.03
MX2 113.6 ± 0.8 4.8 ± 0.2 22.8 ± 0.3 66.0 ± 0.8 23.82 ± 0.71 1.72 ± 0.03
MX3 113.6 ± 0.8 4.7 ± 0.2 22.6 ± 0.3 66.0 ± 0.8 23.99 ± 0.72 1.72 ± 0.03
RH8 112.5 ± 0.9 5.0 ± 0.2 23.9 ± 0.3 66.0 ± 0.8 22.47 ± 0.67 1.71 ± 0.03
RH9 111.6 ± 0.9 5.2 ± 0.2 24.9 ± 0.3 65.9 ± 0.8 21.40 ± 0.64 1.69 ± 0.03
RH10 111.4 ± 0.9 5.2 ± 0.2 24.8 ± 0.3 65.9 ± 0.8 21.43 ± 0.64 1.69 ± 0.03
Average 112.7 4.6 22.0 66.0 27.0 1.7
Median 113.5 5.0 23.9 66.0 23.7 1.7
Deviation 1.9 1.1 5.1 0.1 12.7 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 69.5 ± 2.5 7.8 ± 0.4 32.1 ± 0.4 86.8 ± 0.9 8.88 ± 0.39 0.80 ± 0.04
VC 73.4 ± 2.8 3.0 ± 0.2 12.4 ± 0.2 87.1 ± 0.9 24.24 ± 1.20 0.84 ± 0.04
MX1 71.8 ± 2.9 7.3 ± 0.4 29.9 ± 0.4 86.9 ± 0.9 9.86 ± 0.50 0.83 ± 0.04
MX2 71.9 ± 2.9 7.3 ± 0.4 29.7 ± 0.4 86.9 ± 0.9 9.91 ± 0.51 0.83 ± 0.04
MX3 72.0 ± 2.9 7.2 ± 0.4 29.6 ± 0.4 86.9 ± 0.9 9.98 ± 0.52 0.83 ± 0.04
RH8 71.2 ± 2.7 7.6 ± 0.4 31.2 ± 0.4 86.8 ± 0.9 9.35 ± 0.45 0.82 ± 0.04
RH9 70.7 ± 2.7 8.0 ± 0.4 32.5 ± 0.4 86.8 ± 0.9 8.91 ± 0.42 0.82 ± 0.04
RH10 70.6 ± 2.7 7.9 ± 0.4 32.4 ± 0.4 86.8 ± 0.9 8.92 ± 0.42 0.81 ± 0.04
Average 71.4 7.0 28.7 86.9 11.3 0.8
Median 71.8 7.6 31.2 86.9 9.9 0.8
Deviation 1.2 1.6 6.7 0.1 5.3 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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