CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20073231722
Observation time: 11/19/2007 323.72373 1722 [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 2007
Fractional day of year 323.723733
Arrival time of shock [seconds of day] 62530.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 235.451
Y GSE location of spacecraft [Re] 86.651
Z GSE location of spacecraft [Re] 15.500
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0254
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0204
Minimum chisq/dof for RH8,RH9,RH10 5.34, 7.35, 7.58
Event added to database
Thu Sep 26 11:39:18 2013
Event last processed
Thu Sep 26 12:32:03 2013
Method selected
RH08
Propagation delay to Earth [minutes]
52.962 ± 2.745

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -378.3 ± 0.6 -412.0 ± 1.7
Vy GSE [km/s] -7.8 ± 1.6 -2.6 ± 4.0
Vz GSE [km/s] 3.8 ± 1.2 21.7 ± 2.7
Wi [km/s] 26.3 ± 2.0 37.0 ± 1.6
We [km/s] 831.8 ± 63.1 1171.0 ± 50.7
Ni [n/cc] 4.8 ± 0.1 9.3 ± 0.4
Bx GSE [nT] 3.3 ± 0.1 4.5 ± 0.3
By GSE [nT] -0.1 ± 0.1 -0.3 ± 0.9
Bz GSE [nT] 1.2 ± 0.1 4.8 ± 0.3
Plasma Beta
0.554 ± 0.576
0.618 ± 0.594
Sound Speed [km/s]
33.96 ± 2.58
47.81 ± 2.07
Alfven Speed [km/s]
35.41 ± 0.66
47.42 ± 2.30

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.962 ± 0.027 0.033 ± 0.147 0.270 ± 0.263 15.67 ± 5.72 178.03 ± 8.76
VC -0.877 ± 0.031 0.135 ± 0.099 0.461 ± 0.425 27.48 ± 3.36 171.26 ± 6.46
MX1 -0.950 ± 0.023 0.119 ± 0.079 0.289 ± 0.280 16.78 ± 4.21 172.84 ± 4.76
MX2 -0.947 ± 0.022 0.132 ± 0.067 0.293 ± 0.284 17.01 ± 4.00 172.04 ± 4.03
MX3 -0.945 ± 0.022 0.141 ± 0.061 0.295 ± 0.286 17.15 ± 3.91 171.52 ± 3.68
RH08 -0.977 ± 0.003 0.060 ± 0.016 0.207 ± 0.204 11.93 ± 0.92 176.49 ± 0.92
RH09 -0.981 ± 0.014 0.060 ± 0.070 0.184 ± 0.182 10.62 ± 4.00 176.49 ± 4.11
RH10 -0.981 ± 0.014 0.060 ± 0.070 0.184 ± 0.182 10.62 ± 4.00 176.49 ± 4.11
Average -0.952 0.093 0.273 15.910 174.394
Median -0.950 0.119 0.289 16.783 176.490
Deviation 0.034 0.043 0.090 5.466 2.738

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 36.2 ± 2.1 442.1 ± 1.0 1.93 ± 0.07
VC 48.4 ± 2.1 412.7 ± 1.0 1.93 ± 0.07
MX1 37.6 ± 2.1 437.8 ± 1.0 1.93 ± 0.07
MX2 37.9 ± 2.1 436.8 ± 1.0 1.93 ± 0.07
MX3 38.2 ± 2.1 436.1 ± 1.0 1.93 ± 0.07
RH08 32.5 ± 2.1 445.9 ± 0.9 1.93 ± 0.07
RH09 31.2 ± 2.1 446.8 ± 0.9 1.93 ± 0.07
RH10 31.2 ± 2.1 446.8 ± 6.3 1.93 ± 0.07
Average 36.6 438.1 1.93
Median 37.6 442.1 1.93
Deviation 5.6 11.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 77.2 ± 0.8 22.1 ± 1.0 28.6 ± 0.5 43.8 ± 1.8 3.50 ± 0.16 1.76 ± 0.07
VC 80.2 ± 1.1 17.4 ± 0.8 23.5 ± 0.4 45.9 ± 1.9 4.63 ± 0.21 1.75 ± 0.07
MX1 78.3 ± 0.9 21.6 ± 1.0 28.1 ± 0.5 44.1 ± 1.8 3.63 ± 0.17 1.78 ± 0.07
MX2 78.5 ± 1.0 21.5 ± 1.0 27.9 ± 0.5 44.1 ± 1.8 3.66 ± 0.17 1.78 ± 0.07
MX3 78.6 ± 1.0 21.4 ± 1.0 27.8 ± 0.5 44.2 ± 1.8 3.68 ± 0.17 1.78 ± 0.07
RH8 76.1 ± 0.8 23.5 ± 1.1 29.9 ± 0.6 43.1 ± 1.7 3.24 ± 0.15 1.77 ± 0.07
RH9 75.4 ± 0.8 24.0 ± 1.1 30.3 ± 0.6 42.8 ± 1.7 3.15 ± 0.15 1.76 ± 0.07
RH10 75.4 ± 0.8 24.0 ± 1.1 30.3 ± 0.6 42.8 ± 1.7 3.15 ± 0.15 1.76 ± 0.07
Average 77.5 21.9 28.3 43.9 3.6 1.8
Median 78.3 22.1 28.6 44.1 3.6 1.8
Deviation 1.7 2.2 2.2 1.0 0.5 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 39.8 ± 1.8 30.3 ± 0.5 38.3 ± 1.9 60.2 ± 0.8 1.31 ± 0.06 0.66 ± 0.03
VC 41.7 ± 2.0 23.8 ± 0.4 31.5 ± 1.5 63.0 ± 0.8 1.75 ± 0.09 0.66 ± 0.03
MX1 40.5 ± 1.8 29.6 ± 0.5 37.6 ± 1.8 60.5 ± 0.8 1.37 ± 0.06 0.67 ± 0.03
MX2 40.6 ± 1.8 29.4 ± 0.5 37.4 ± 1.8 60.6 ± 0.8 1.38 ± 0.06 0.67 ± 0.03
MX3 40.7 ± 1.8 29.3 ± 0.5 37.3 ± 1.8 60.7 ± 0.8 1.39 ± 0.06 0.67 ± 0.03
RH8 39.2 ± 1.7 32.3 ± 0.6 40.0 ± 1.9 59.2 ± 0.7 1.21 ± 0.05 0.66 ± 0.03
RH9 38.7 ± 1.7 32.9 ± 0.6 40.6 ± 2.0 58.8 ± 0.7 1.18 ± 0.05 0.66 ± 0.03
RH10 38.7 ± 1.7 32.9 ± 0.6 40.6 ± 2.0 58.8 ± 0.7 1.18 ± 0.05 0.66 ± 0.03
Average 40.0 30.1 37.9 60.2 1.3 0.7
Median 40.5 30.3 38.3 60.5 1.4 0.7
Deviation 1.1 3.0 2.9 1.4 0.2 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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