CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20131511511
Observation time: 05/31/2013 151.63311 1511 [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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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2013
Fractional day of year 151.633108
Arrival time of shock [seconds of day] 54700.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 232.716
Y GSE location of spacecraft [Re] -98.355
Z GSE location of spacecraft [Re] 11.717
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0212
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0117
Minimum chisq/dof for RH8,RH9,RH10 13.57, 32.65, 43.74
Event added to database
Tue Oct 8 15:37:40 2013
Event last processed
Tue Oct 8 17:13:57 2013
Method selected
RH08
Propagation delay to Earth [minutes]
58.038 ± 0.438

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -331.5 ± 0.6 -393.8 ± 3.3
Vy GSE [km/s] -27.7 ± 0.7 -8.8 ± 2.7
Vz GSE [km/s] 13.4 ± 1.2 5.1 ± 9.8
Wi [km/s] 16.0 ± 0.6 31.7 ± 3.7
We [km/s] 506.6 ± 18.3 1003.0 ± 118.5
Ni [n/cc] 4.7 ± 0.2 8.8 ± 0.8
Bx GSE [nT] -0.9 ± 0.1 -1.6 ± 0.4
By GSE [nT] -3.4 ± 0.2 -7.4 ± 0.4
Bz GSE [nT] 0.3 ± 0.1 -1.5 ± 1.1
Plasma Beta
0.205 ± 0.224
0.318 ± 0.364
Sound Speed [km/s]
20.68 ± 0.75
40.95 ± 4.84
Alfven Speed [km/s]
35.56 ± 1.77
57.37 ± 4.11

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.263 ± 0.174 -0.371 ± 0.157 0.891 ± 0.500 62.95 ± 8.89 234.69 ± 23.86
VC -0.949 ± 0.018 0.288 ± 0.035 -0.124 ± 0.124 -7.13 ± 6.88 163.10 ± 2.11
MX1 -0.959 ± 0.040 0.257 ± 0.140 -0.119 ± 0.118 -6.83 ± 7.46 164.99 ± 8.38
MX2 -0.960 ± 0.031 0.252 ± 0.111 -0.119 ± 0.119 -6.86 ± 5.44 165.32 ± 6.65
MX3 -0.960 ± 0.026 0.250 ± 0.094 -0.124 ± 0.123 -7.12 ± 4.63 165.39 ± 5.63
RH08 -0.976 ± 0.004 0.217 ± 0.018 0.006 ± 0.006 0.32 ± 1.59 167.47 ± 1.08
RH09 -0.737 ± 0.046 -0.124 ± 0.069 0.665 ± 0.543 41.67 ± 3.92 189.53 ± 5.32
RH10 -0.758 ± 0.045 -0.114 ± 0.071 0.642 ± 0.535 39.98 ± 3.98 188.52 ± 5.34
Average -0.820 0.082 0.215 14.621 179.875
Median -0.949 0.250 0.006 0.320 167.465
Deviation 0.245 0.249 0.437 28.739 24.644

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 60.2 ± 1.6 116.8 ± 3.2 1.85 ± 0.12
VC 86.6 ± 0.8 451.5 ± 3.0 1.85 ± 0.12
MX1 88.4 ± 0.8 455.6 ± 3.0 1.85 ± 0.12
MX2 88.8 ± 0.8 456.2 ± 3.0 1.85 ± 0.12
MX3 88.8 ± 0.8 456.2 ± 3.0 1.85 ± 0.12
RH08 88.5 ± 0.8 461.2 ± 2.6 1.85 ± 0.12
RH09 69.3 ± 1.4 341.4 ± 1.5 1.85 ± 0.12
RH10 69.7 ± 1.4 350.8 ± 5.7 1.85 ± 0.12
Average 80.1 386.2 1.85
Median 88.4 455.6 1.85
Deviation 11.7 119.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 7.5 ± 1.0 9.1 ± 0.2 17.7 ± 0.9 40.1 ± 1.3 0.82 ± 0.12 0.19 ± 0.02
VC 146.4 ± 0.6 1.1 ± 0.0 2.1 ± 0.1 41.1 ± 1.2 136.87 ± 3.04 3.56 ± 0.10
MX1 146.4 ± 0.6 0.5 ± 0.0 1.0 ± 0.0 41.2 ± 1.2 303.25 ± 6.75 3.56 ± 0.10
MX2 146.4 ± 0.6 0.4 ± 0.0 0.8 ± 0.0 41.2 ± 1.2 384.64 ± 8.56 3.56 ± 0.10
MX3 146.5 ± 0.6 0.4 ± 0.0 0.7 ± 0.0 41.2 ± 1.2 400.39 ± 8.90 3.56 ± 0.10
RH8 143.6 ± 0.7 0.5 ± 0.0 0.9 ± 0.0 41.2 ± 1.2 305.87 ± 6.90 3.49 ± 0.10
RH9 84.9 ± 1.1 6.4 ± 0.1 12.5 ± 0.6 40.7 ± 1.2 13.32 ± 0.37 2.09 ± 0.06
RH10 87.9 ± 1.0 6.3 ± 0.1 12.3 ± 0.6 40.7 ± 1.2 14.05 ± 0.38 2.16 ± 0.06
Average 113.7 3.1 6.0 40.9 194.9 2.8
Median 146.4 1.1 2.1 41.2 303.2 3.6
Deviation 50.7 3.6 7.0 0.4 172.8 1.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 5.5 ± 7.4 16.9 ± 1.1 28.5 ± 2.0 68.6 ± 1.0 0.35 ± 0.47 0.08 ± 0.11
VC 80.8 ± 3.7 2.0 ± 0.1 3.4 ± 0.2 70.6 ± 0.7 40.79 ± 1.55 1.14 ± 0.06
MX1 80.8 ± 3.7 0.9 ± 0.1 1.6 ± 0.1 70.7 ± 0.7 90.42 ± 3.38 1.14 ± 0.06
MX2 80.9 ± 3.7 0.7 ± 0.0 1.2 ± 0.1 70.7 ± 0.7 114.72 ± 4.26 1.14 ± 0.06
MX3 80.9 ± 3.7 0.7 ± 0.0 1.2 ± 0.1 70.7 ± 0.7 119.48 ± 4.37 1.15 ± 0.06
RH8 78.7 ± 3.2 0.9 ± 0.1 1.5 ± 0.1 70.7 ± 0.7 90.62 ± 4.54 1.11 ± 0.05
RH9 46.9 ± 5.4 11.8 ± 0.7 20.2 ± 1.4 69.7 ± 0.8 3.99 ± 0.69 0.67 ± 0.07
RH10 48.1 ± 5.3 11.6 ± 0.7 19.9 ± 1.4 69.7 ± 0.8 4.17 ± 0.69 0.69 ± 0.07
Average 62.8 5.7 9.7 70.2 58.1 0.9
Median 80.8 2.0 3.4 70.7 90.4 1.1
Deviation 27.5 6.6 11.2 0.8 51.5 0.4

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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