CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20103532035
Observation time: 12/19/2010 353.85793 2035 [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 2010
Fractional day of year 353.857934
Arrival time of shock [seconds of day] 74125.5 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 234.126
Y GSE location of spacecraft [Re] -85.461
Z GSE location of spacecraft [Re] 15.300
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0156
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0125
Minimum chisq/dof for RH8,RH9,RH10 5.40, 11.28, 12.42
Event added to database
Wed Sep 25 09:26:12 2013
Event last processed
Wed Sep 25 09:46:41 2013
Method selected
RH08
Propagation delay to Earth [minutes]
59.838 ± 0.604

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -350.9 ± 1.0 -382.9 ± 0.7
Vy GSE [km/s] -7.7 ± 0.7 -20.3 ± 2.3
Vz GSE [km/s] -5.5 ± 1.2 1.8 ± 3.9
Wi [km/s] 14.0 ± 2.1 27.8 ± 1.3
We [km/s] 442.4 ± 66.8 880.4 ± 41.9
Ni [n/cc] 3.5 ± 0.3 8.9 ± 1.1
Bx GSE [nT] 3.6 ± 0.0 3.7 ± 0.2
By GSE [nT] -0.7 ± 0.1 -3.5 ± 0.4
Bz GSE [nT] -0.2 ± 0.0 0.8 ± 0.6
Plasma Beta
0.114 ± 0.102
0.536 ± 0.540
Sound Speed [km/s]
18.06 ± 2.73
35.94 ± 1.71
Alfven Speed [km/s]
42.41 ± 1.95
38.16 ± 1.00

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.991 ± 0.007 -0.001 ± 0.053 0.133 ± 0.133 7.66 ± 2.82 180.06 ± 3.07
VC -0.911 ± 0.030 -0.357 ± 0.058 0.206 ± 0.203 11.90 ± 5.99 201.42 ± 3.61
MX1 -0.993 ± 0.005 -0.008 ± 0.061 0.118 ± 0.118 6.79 ± 2.29 180.48 ± 3.50
MX2 -0.994 ± 0.005 -0.014 ± 0.066 0.106 ± 0.106 6.10 ± 2.42 180.80 ± 3.78
MX3 -0.995 ± 0.005 -0.018 ± 0.069 0.098 ± 0.097 5.61 ± 2.72 181.01 ± 3.99
RH08 -0.999 ± 0.001 -0.044 ± 0.020 0.017 ± 0.017 0.96 ± 1.82 182.51 ± 1.14
RH09 -0.999 ± 0.003 -0.026 ± 0.068 0.028 ± 0.028 1.60 ± 4.06 181.50 ± 3.91
RH10 -0.999 ± 0.003 -0.026 ± 0.068 0.028 ± 0.028 1.60 ± 4.06 181.50 ± 3.91
Average -0.985 -0.062 0.092 5.277 183.661
Median -0.994 -0.018 0.106 6.095 181.504
Deviation 0.030 0.120 0.065 3.746 7.214

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 11.6 ± 0.6 402.9 ± 1.4 2.48 ± 0.32
VC 32.9 ± 0.7 381.1 ± 1.3 2.48 ± 0.32
MX1 11.7 ± 0.7 403.8 ± 1.4 2.48 ± 0.32
MX2 11.8 ± 0.7 404.5 ± 1.3 2.48 ± 0.32
MX3 11.9 ± 0.7 405.0 ± 1.3 2.48 ± 0.32
RH08 13.5 ± 0.8 406.5 ± 1.3 2.48 ± 0.32
RH09 12.4 ± 0.8 406.4 ± 1.3 2.48 ± 0.32
RH10 12.4 ± 0.8 406.4 ± 5.7 2.48 ± 0.32
Average 14.8 402.1 2.48
Median 12.4 405.0 2.48
Deviation 7.4 8.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 55.9 ± 0.8 17.6 ± 2.6 41.6 ± 1.9 42.6 ± 1.9 3.22 ± 0.40 1.31 ± 0.07
VC 59.8 ± 0.9 14.7 ± 2.0 35.6 ± 1.6 43.8 ± 1.5 4.13 ± 0.46 1.37 ± 0.06
MX1 56.0 ± 0.9 17.6 ± 2.6 41.5 ± 1.9 42.6 ± 1.9 3.23 ± 0.40 1.32 ± 0.07
MX2 56.2 ± 0.9 17.6 ± 2.6 41.5 ± 1.9 42.6 ± 1.9 3.24 ± 0.40 1.32 ± 0.07
MX3 56.3 ± 0.9 17.6 ± 2.6 41.5 ± 1.9 42.6 ± 1.9 3.25 ± 0.40 1.32 ± 0.08
RH8 55.7 ± 1.0 17.4 ± 2.6 41.2 ± 1.9 42.7 ± 1.8 3.24 ± 0.39 1.31 ± 0.08
RH9 55.8 ± 1.0 17.5 ± 2.6 41.4 ± 1.9 42.6 ± 1.9 3.22 ± 0.39 1.31 ± 0.08
RH10 55.8 ± 1.0 17.5 ± 2.6 41.4 ± 1.9 42.6 ± 1.9 3.22 ± 0.39 1.31 ± 0.08
Average 56.4 17.2 40.7 42.8 3.3 1.3
Median 56.0 17.6 41.5 42.6 3.2 1.3
Deviation 1.4 1.0 2.1 0.4 0.3 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 23.1 ± 1.0 32.8 ± 0.7 37.4 ± 1.0 40.9 ± 0.2 0.70 ± 0.03 0.56 ± 0.02
VC 24.6 ± 0.3 24.9 ± 0.4 32.0 ± 0.8 46.2 ± 0.4 0.99 ± 0.02 0.53 ± 0.01
MX1 23.2 ± 0.9 32.8 ± 0.7 37.4 ± 1.0 40.9 ± 0.2 0.71 ± 0.03 0.57 ± 0.02
MX2 23.3 ± 0.9 32.7 ± 0.7 37.4 ± 1.0 41.0 ± 0.2 0.71 ± 0.03 0.57 ± 0.02
MX3 23.4 ± 0.8 32.7 ± 0.7 37.3 ± 1.0 41.0 ± 0.2 0.72 ± 0.03 0.57 ± 0.02
RH8 23.0 ± 0.6 32.2 ± 0.6 37.1 ± 1.0 41.4 ± 0.2 0.72 ± 0.02 0.56 ± 0.02
RH9 23.2 ± 0.7 32.5 ± 0.7 37.3 ± 1.0 41.1 ± 0.2 0.71 ± 0.03 0.56 ± 0.02
RH10 23.2 ± 0.7 32.5 ± 0.7 37.3 ± 1.0 41.1 ± 0.2 0.71 ± 0.03 0.56 ± 0.02
Average 23.4 31.6 36.6 41.7 0.7 0.6
Median 23.2 32.7 37.3 41.1 0.7 0.6
Deviation 0.5 2.7 1.9 1.8 0.1 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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