CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20131380019
Observation time: 05/18/2013 138.01384 0019 [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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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2013
Fractional day of year 138.013837
Arrival time of shock [seconds of day] 1195.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 247.971
Y GSE location of spacecraft [Re] -75.688
Z GSE location of spacecraft [Re] 18.246
Upstream plasma points selected for analysis 0004
Upstream field points selected for analysis 0139
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0125
Minimum chisq/dof for RH8,RH9,RH10 13.64, 34.38, 40.54
Event added to database
Tue Oct 8 15:32:40 2013
Event last processed
Tue Oct 8 17:05:47 2013
Method selected
RH08
Propagation delay to Earth [minutes]
29.088 ± 5.266

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -397.3 ± 7.1 -437.9 ± 1.4
Vy GSE [km/s] -13.7 ± 3.2 -12.4 ± 1.5
Vz GSE [km/s] -12.3 ± 5.0 -23.3 ± 7.3
Wi [km/s] 29.1 ± 2.2 34.3 ± 0.9
We [km/s] 919.2 ± 68.4 1084.0 ± 28.1
Ni [n/cc] 5.0 ± 0.3 8.4 ± 0.6
Bx GSE [nT] -2.7 ± 1.0 0.2 ± 0.7
By GSE [nT] -5.3 ± 0.5 -9.1 ± 0.6
Bz GSE [nT] -4.9 ± 0.2 -8.4 ± 0.9
Plasma Beta
0.150 ± 0.136
0.134 ± 0.138
Sound Speed [km/s]
37.53 ± 2.79
44.26 ± 1.15
Alfven Speed [km/s]
75.73 ± 2.81
93.66 ± 4.16

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.858 ± 0.098 -0.421 ± 0.142 -0.294 ± 0.286 -17.12 ± 15.25 206.13 ± 9.21
VC -0.968 ± 0.043 0.021 ± 0.066 -0.250 ± 0.245 -14.49 ± 9.80 178.74 ± 3.88
MX1 -0.871 ± 0.067 -0.236 ± 0.158 -0.431 ± 0.402 -25.55 ± 7.15 195.18 ± 10.35
MX2 -0.869 ± 0.070 -0.219 ± 0.156 -0.445 ± 0.413 -26.39 ± 7.69 194.14 ± 10.22
MX3 -0.866 ± 0.075 -0.199 ± 0.157 -0.458 ± 0.423 -27.27 ± 8.42 192.96 ± 10.34
RH08 -0.591 ± 0.030 -0.720 ± 0.027 0.363 ± 0.346 21.29 ± 2.57 230.64 ± 2.28
RH09 -0.885 ± 0.033 -0.423 ± 0.065 -0.196 ± 0.193 -11.28 ± 3.96 205.57 ± 4.16
RH10 -0.885 ± 0.033 -0.423 ± 0.065 -0.196 ± 0.193 -11.28 ± 3.96 205.57 ± 4.16
Average -0.849 -0.328 -0.238 -14.009 201.117
Median -0.869 -0.236 -0.250 -14.487 205.571
Deviation 0.110 0.220 0.266 15.736 15.060

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 39.0 ± 7.1 442.1 ± 5.7 1.67 ± 0.11
VC 61.0 ± 8.0 489.7 ± 6.9 1.67 ± 0.11
MX1 42.1 ± 8.1 451.9 ± 6.6 1.67 ± 0.11
MX2 42.4 ± 8.1 451.2 ± 6.6 1.67 ± 0.11
MX3 42.9 ± 8.1 450.3 ± 6.7 1.67 ± 0.11
RH08 62.0 ± 1.4 288.0 ± 2.0 1.67 ± 0.11
RH09 43.5 ± 6.7 452.0 ± 5.5 1.67 ± 0.11
RH10 43.5 ± 6.7 452.0 ± 21.4 1.67 ± 0.11
Average 47.1 434.6 1.67
Median 43.5 451.9 1.67
Deviation 9.0 60.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 91.8 ± 6.2 27.6 ± 1.7 58.8 ± 2.2 79.9 ± 2.0 3.33 ± 0.03 1.15 ± 0.10
VC 102.3 ± 8.2 16.6 ± 0.9 36.7 ± 1.4 82.9 ± 1.7 6.17 ± 0.16 1.23 ± 0.11
MX1 97.4 ± 7.6 26.2 ± 1.5 56.2 ± 2.1 80.4 ± 2.0 3.71 ± 0.07 1.21 ± 0.12
MX2 97.6 ± 7.7 26.0 ± 1.5 55.9 ± 2.1 80.5 ± 2.0 3.74 ± 0.07 1.21 ± 0.12
MX3 97.8 ± 7.8 25.8 ± 1.5 55.5 ± 2.1 80.5 ± 1.9 3.78 ± 0.08 1.22 ± 0.12
RH8 47.9 ± 0.7 16.1 ± 0.9 35.6 ± 1.3 83.0 ± 1.7 2.98 ± 0.15 0.58 ± 0.01
RH9 92.4 ± 5.9 25.5 ± 1.5 54.9 ± 2.0 80.6 ± 1.9 3.62 ± 0.02 1.15 ± 0.09
RH10 92.4 ± 5.9 25.5 ± 1.5 54.9 ± 2.0 80.6 ± 1.9 3.62 ± 0.02 1.15 ± 0.09
Average 89.9 23.7 51.1 81.1 3.9 1.1
Median 97.4 25.8 55.5 80.6 3.7 1.2
Deviation 17.4 4.6 9.3 1.2 1.0 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 54.3 ± 1.5 32.8 ± 0.9 72.8 ± 3.2 98.3 ± 4.1 1.66 ± 0.08 0.55 ± 0.03
VC 60.2 ± 1.0 19.7 ± 0.5 45.4 ± 2.0 101.7 ± 4.1 3.05 ± 0.13 0.59 ± 0.03
MX1 57.6 ± 2.4 31.1 ± 0.8 69.5 ± 3.1 98.8 ± 4.1 1.85 ± 0.12 0.58 ± 0.04
MX2 57.7 ± 2.5 30.9 ± 0.8 69.1 ± 3.1 98.9 ± 4.1 1.87 ± 0.12 0.58 ± 0.04
MX3 57.8 ± 2.6 30.7 ± 0.8 68.6 ± 3.0 98.9 ± 4.1 1.89 ± 0.13 0.59 ± 0.04
RH8 28.8 ± 2.8 19.1 ± 0.5 44.0 ± 2.0 101.8 ± 4.1 1.50 ± 0.12 0.28 ± 0.02
RH9 54.8 ± 0.8 30.3 ± 0.8 67.9 ± 3.0 99.1 ± 4.1 1.81 ± 0.07 0.55 ± 0.03
RH10 54.8 ± 0.8 30.3 ± 0.8 67.9 ± 3.0 99.1 ± 4.1 1.81 ± 0.07 0.55 ± 0.03
Average 53.2 28.1 63.1 99.6 1.9 0.5
Median 57.6 30.7 68.6 99.1 1.9 0.6
Deviation 10.1 5.4 11.5 1.4 0.5 0.1

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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