CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20140401045
Observation time: 02/09/2014 40.44821 1045 [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 2014
Fractional day of year 40.448212
Arrival time of shock [seconds of day] 38725.5 ± 60.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 201.223
Y GSE location of spacecraft [Re] 81.860
Z GSE location of spacecraft [Re] -11.348
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0231
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0184
Minimum chisq/dof for RH8,RH9,RH10 1.10, 1.38, 1.48
Event added to database
Wed Jun 11 01:24:56 2014
Event last processed
Wed Jun 11 02:52:35 2014
Method selected
RH08
Propagation delay to Earth [minutes]
75.980 ± 0.644

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -383.5 ± 1.1 -454.0 ± 1.0
Vy GSE [km/s] -26.7 ± 2.1 8.8 ± 1.1
Vz GSE [km/s] 3.1 ± 3.5 41.2 ± 3.2
Wi [km/s] 24.1 ± 1.6 35.8 ± 1.9
We [km/s] 763.2 ± 49.8 1131.0 ± 60.1
Ni [n/cc] 5.2 ± 0.6 11.0 ± 0.8
Bx GSE [nT] -7.6 ± 0.2 5.9 ± 0.1
By GSE [nT] 3.7 ± 0.2 -3.4 ± 0.2
Bz GSE [nT] 5.0 ± 0.4 1.7 ± 0.8
Plasma Beta
0.067 ± 0.069
0.592 ± 0.611
Sound Speed [km/s]
31.16 ± 2.03
46.17 ± 2.45
Alfven Speed [km/s]
94.56 ± 7.38
46.60 ± 1.81

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.779 ± 0.735 0.097 ± 0.992 -0.619 ± 0.524 -38.24 ± 67.55 172.91 ± 72.62
VC -0.805 ± 0.021 0.405 ± 0.020 0.434 ± 0.404 25.70 ± 2.76 153.31 ± 1.27
MX1 -0.838 ± 0.662 -0.501 ± 1.039 -0.216 ± 0.213 -12.50 ± 74.26 210.91 ± 70.41
MX2 -0.780 ± 0.734 0.095 ± 0.990 -0.619 ± 0.524 -38.24 ± 67.51 173.06 ± 72.49
MX3 -0.824 ± 0.684 0.031 ± 1.089 -0.565 ± 0.495 -34.41 ± 69.29 177.82 ± 75.66
RH08 -0.474 ± 0.009 -0.880 ± 0.005 -0.039 ± 0.039 -2.24 ± 2.26 241.67 ± 0.58
RH09 -0.474 ± 0.015 -0.880 ± 0.008 -0.039 ± 0.039 -2.24 ± 3.81 241.67 ± 0.99
RH10 -0.474 ± 0.015 -0.880 ± 0.008 -0.039 ± 0.039 -2.24 ± 3.81 241.67 ± 0.99
Average -0.681 -0.314 -0.213 -13.052 201.627
Median -0.779 0.031 -0.039 -2.241 210.908
Deviation 0.172 0.530 0.371 22.608 36.721

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 71.0 ± 2.6 358.1 ± 1.7 2.24 ± 0.31
VC 4.8 ± 2.9 463.2 ± 3.4 2.24 ± 0.31
MX1 69.7 ± 1.2 395.2 ± 1.4 2.24 ± 0.31
MX2 71.0 ± 2.6 358.1 ± 1.7 2.24 ± 0.31
MX3 68.7 ± 2.5 382.9 ± 1.8 2.24 ± 0.31
RH08 89.3 ± 0.8 206.8 ± 0.2 2.24 ± 0.31
RH09 89.3 ± 0.8 206.8 ± 0.2 2.24 ± 0.31
RH10 89.3 ± 0.8 206.8 ± 1.6 2.24 ± 0.31
Average 69.1 322.2 2.24
Median 71.0 358.1 2.24
Deviation 27.7 101.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 63.7 ± 2.6 9.7 ± 0.6 30.8 ± 2.4 99.1 ± 6.8 6.61 ± 0.53 0.65 ± 0.06
VC 163.9 ± 1.7 31.0 ± 2.0 94.2 ± 7.3 94.6 ± 7.4 5.30 ± 0.40 1.74 ± 0.12
MX1 61.2 ± 1.4 10.3 ± 0.6 32.8 ± 2.6 99.1 ± 6.8 5.96 ± 0.31 0.62 ± 0.05
MX2 63.6 ± 2.6 9.7 ± 0.6 30.8 ± 2.4 99.1 ± 6.8 6.61 ± 0.53 0.65 ± 0.06
MX3 69.4 ± 2.4 10.8 ± 0.6 34.3 ± 2.7 99.0 ± 6.8 6.45 ± 0.49 0.70 ± 0.07
RH8 1.6 ± 1.8 0.4 ± 0.0 1.1 ± 0.1 99.6 ± 6.8 4.46 ± 5.02 0.02 ± 0.02
RH9 1.6 ± 1.8 0.4 ± 0.0 1.1 ± 0.1 99.6 ± 6.8 4.46 ± 5.02 0.02 ± 0.02
RH10 1.6 ± 1.8 0.4 ± 0.0 1.1 ± 0.1 99.6 ± 6.8 4.46 ± 5.02 0.02 ± 0.02
Average 53.3 9.1 28.3 98.7 5.5 0.6
Median 63.6 9.7 30.8 99.1 6.0 0.6
Deviation 54.5 10.1 30.8 1.7 1.0 0.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 28.9 ± 2.0 10.8 ± 0.4 15.2 ± 0.6 64.7 ± 2.3 2.67 ± 0.18 0.45 ± 0.03
VC 76.3 ± 2.0 44.0 ± 1.6 46.4 ± 1.8 48.7 ± 1.8 1.74 ± 0.10 1.57 ± 0.09
MX1 28.2 ± 0.6 11.5 ± 0.4 16.2 ± 0.6 64.6 ± 2.3 2.44 ± 0.08 0.44 ± 0.01
MX2 28.8 ± 2.0 10.8 ± 0.4 15.2 ± 0.6 64.7 ± 2.3 2.67 ± 0.18 0.45 ± 0.03
MX3 31.6 ± 1.9 12.1 ± 0.4 16.9 ± 0.7 64.5 ± 2.3 2.61 ± 0.15 0.49 ± 0.03
RH8 0.9 ± 0.5 0.4 ± 0.0 0.6 ± 0.0 65.6 ± 2.3 2.31 ± 1.22 0.01 ± 0.01
RH9 0.9 ± 0.5 0.4 ± 0.0 0.6 ± 0.0 65.6 ± 2.3 2.31 ± 1.22 0.01 ± 0.01
RH10 0.9 ± 0.5 0.4 ± 0.0 0.6 ± 0.0 65.6 ± 2.3 2.31 ± 1.22 0.01 ± 0.01
Average 24.6 11.3 13.9 63.0 2.4 0.4
Median 28.8 10.8 15.2 64.7 2.4 0.4
Deviation 25.2 14.3 15.2 5.8 0.3 0.5

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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