CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20130740433
Observation time: 03/15/2013 74.18991 0433 [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 74.189913
Arrival time of shock [seconds of day] 16408.5 ± 30.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 228.908
Y GSE location of spacecraft [Re] 96.764
Z GSE location of spacecraft [Re] 4.345
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0177
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0121
Minimum chisq/dof for RH8,RH9,RH10 7.28, 9.11, 10.62
Event added to database
Tue Oct 8 15:09:11 2013
Event last processed
Tue Oct 8 16:47:23 2013
Method selected
RH08
Propagation delay to Earth [minutes]
33.786 ± 4.804

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -370.4 ± 2.0 -451.9 ± 3.0
Vy GSE [km/s] 41.5 ± 4.0 17.7 ± 18.9
Vz GSE [km/s] 16.5 ± 8.8 11.3 ± 21.7
Wi [km/s] 59.0 ± 1.4 70.6 ± 6.2
We [km/s] 1865.9 ± 45.7 2231.2 ± 197.5
Ni [n/cc] 7.8 ± 0.2 13.9 ± 0.4
Bx GSE [nT] -4.3 ± 0.5 -0.6 ± 1.0
By GSE [nT] -1.2 ± 0.5 2.7 ± 5.7
Bz GSE [nT] -4.2 ± 0.6 -9.9 ± 3.2
Plasma Beta
1.526 ± 1.522
1.057 ± 1.122
Sound Speed [km/s]
76.18 ± 1.86
91.09 ± 8.06
Alfven Speed [km/s]
48.26 ± 3.71
68.71 ± 1.56

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.801 ± 0.103 -0.127 ± 0.175 -0.585 ± 0.507 -35.81 ± 9.80 189.05 ± 12.48
VC -0.961 ± 0.053 -0.272 ± 0.183 -0.046 ± 0.046 -2.66 ± 12.57 195.82 ± 10.89
MX1 -0.779 ± 0.154 -0.118 ± 0.148 -0.616 ± 0.523 -37.99 ± 14.38 188.62 ± 10.73
MX2 -0.851 ± 0.059 -0.069 ± 0.145 -0.520 ± 0.467 -31.33 ± 6.43 184.65 ± 9.72
MX3 -0.871 ± 0.052 -0.045 ± 0.150 -0.489 ± 0.445 -29.24 ± 6.05 182.98 ± 9.89
RH08 -0.769 ± 0.030 0.473 ± 0.043 -0.430 ± 0.401 -25.48 ± 2.63 148.41 ± 3.08
RH09 -0.769 ± 0.044 0.492 ± 0.061 -0.408 ± 0.384 -24.07 ± 3.98 147.41 ± 4.37
RH10 -0.773 ± 0.044 0.494 ± 0.061 -0.397 ± 0.374 -23.37 ± 4.03 147.41 ± 4.35
Average -0.822 0.103 -0.436 -26.243 173.043
Median -0.779 -0.045 -0.430 -25.478 184.651
Deviation 0.069 0.324 0.177 10.917 21.286

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 10.6 ± 5.5 432.1 ± 8.4 1.79 ± 0.07
VC 40.9 ± 6.3 535.3 ± 4.5 1.79 ± 0.07
MX1 9.9 ± 3.9 419.4 ± 8.6 1.79 ± 0.07
MX2 15.7 ± 6.2 462.8 ± 7.3 1.79 ± 0.07
MX3 18.1 ± 6.2 474.7 ± 6.8 1.79 ± 0.07
RH08 42.8 ± 4.4 422.1 ± 3.0 1.79 ± 0.07
RH09 44.4 ± 4.5 419.8 ± 2.8 1.79 ± 0.07
RH10 44.8 ± 4.5 422.5 ± 12.3 1.79 ± 0.07
Average 28.4 448.6 1.79
Median 40.9 432.1 1.79
Deviation 16.1 40.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 150.3 ± 4.4 46.9 ± 3.4 47.4 ± 3.6 77.0 ± 1.6 3.22 ± 0.18 1.95 ± 0.09
VC 191.3 ± 2.3 33.0 ± 1.8 36.5 ± 2.8 84.0 ± 0.4 5.81 ± 0.38 2.28 ± 0.03
MX1 145.8 ± 4.7 47.1 ± 3.5 47.5 ± 3.7 76.9 ± 1.6 3.11 ± 0.17 1.90 ± 0.10
MX2 158.9 ± 4.0 45.4 ± 3.2 46.5 ± 3.6 77.9 ± 1.4 3.51 ± 0.19 2.04 ± 0.08
MX3 161.9 ± 3.8 44.5 ± 3.0 45.9 ± 3.5 78.5 ± 1.2 3.65 ± 0.20 2.06 ± 0.08
RH8 124.7 ± 4.9 31.9 ± 1.8 35.4 ± 2.7 84.4 ± 0.4 3.91 ± 0.17 1.48 ± 0.06
RH9 121.2 ± 4.8 31.0 ± 1.7 34.5 ± 2.7 84.8 ± 0.4 3.92 ± 0.17 1.43 ± 0.06
RH10 122.1 ± 4.7 30.7 ± 1.7 34.2 ± 2.6 84.9 ± 0.4 3.98 ± 0.17 1.44 ± 0.06
Average 147.0 38.8 41.0 81.1 3.9 1.8
Median 150.3 44.5 45.9 84.0 3.9 2.0
Deviation 24.3 7.7 6.3 3.7 0.8 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 79.0 ± 14.3 66.1 ± 1.8 67.5 ± 1.5 93.0 ± 7.7 1.19 ± 0.21 0.85 ± 0.13
VC 106.3 ± 5.5 45.0 ± 1.8 51.9 ± 1.2 104.9 ± 7.0 2.36 ± 0.11 1.02 ± 0.05
MX1 76.3 ± 14.8 66.4 ± 1.8 67.7 ± 1.5 92.8 ± 7.7 1.15 ± 0.22 0.82 ± 0.14
MX2 85.2 ± 11.9 63.5 ± 1.9 66.2 ± 1.5 94.8 ± 7.5 1.34 ± 0.17 0.90 ± 0.10
MX3 87.3 ± 10.8 62.1 ± 2.0 65.3 ± 1.5 95.8 ± 7.4 1.41 ± 0.16 0.91 ± 0.09
RH8 71.1 ± 5.2 43.5 ± 1.8 50.4 ± 1.1 105.5 ± 7.0 1.63 ± 0.06 0.67 ± 0.03
RH9 68.1 ± 5.3 42.1 ± 1.7 49.1 ± 1.1 106.1 ± 7.0 1.62 ± 0.08 0.64 ± 0.03
RH10 68.8 ± 5.3 41.8 ± 1.7 48.8 ± 1.1 106.2 ± 7.0 1.65 ± 0.08 0.65 ± 0.04
Average 80.3 53.8 58.4 99.9 1.5 0.8
Median 79.0 62.1 65.3 104.9 1.6 0.8
Deviation 12.7 11.6 9.0 6.3 0.4 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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