CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20131781351
Observation time: 06/27/2013 178.57731 1351 [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
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2013
Fractional day of year 178.577309
Arrival time of shock [seconds of day] 49879.5 ± 10.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 207.708
Y GSE location of spacecraft [Re] -79.224
Z GSE location of spacecraft [Re] -6.249
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0172
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0123
Minimum chisq/dof for RH8,RH9,RH10 19.92, 46.87, 67.38
Event added to database
Tue Oct 8 15:44:44 2013
Event last processed
Tue Oct 8 17:21:45 2013
Method selected
RH08
Propagation delay to Earth [minutes]
46.424 ± 0.353

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -388.8 ± 2.8 -465.0 ± 2.3
Vy GSE [km/s] -21.2 ± 1.7 4.5 ± 1.8
Vz GSE [km/s] 1.0 ± 1.9 10.3 ± 5.7
Wi [km/s] 29.4 ± 0.7 38.2 ± 2.3
We [km/s] 929.2 ± 21.8 1207.1 ± 72.1
Ni [n/cc] 2.7 ± 0.2 6.3 ± 0.4
Bx GSE [nT] -0.7 ± 0.3 -2.3 ± 0.2
By GSE [nT] -3.1 ± 0.1 -6.6 ± 0.4
Bz GSE [nT] 0.0 ± 0.3 2.3 ± 0.8
Plasma Beta
0.470 ± 0.466
0.354 ± 0.363
Sound Speed [km/s]
37.94 ± 0.89
49.28 ± 2.94
Alfven Speed [km/s]
42.86 ± 0.22
64.26 ± 2.57

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.703 ± 0.646 0.565 ± 0.770 0.432 ± 0.403 25.60 ± 40.79 141.21 ± 60.81
VC -0.941 ± 0.011 0.317 ± 0.026 0.117 ± 0.116 6.69 ± 3.87 161.41 ± 1.56
MX1 -0.856 ± 0.047 0.504 ± 0.079 0.111 ± 0.111 6.39 ± 4.05 149.52 ± 5.25
MX2 -0.880 ± 0.028 0.471 ± 0.053 0.058 ± 0.058 3.33 ± 3.75 151.87 ± 3.42
MX3 -0.892 ± 0.023 0.452 ± 0.045 0.027 ± 0.027 1.57 ± 4.09 153.13 ± 2.88
RH08 -0.961 ± 0.006 0.267 ± 0.021 0.073 ± 0.072 4.16 ± 1.05 164.46 ± 1.27
RH09 -0.459 ± 0.059 0.602 ± 0.053 0.654 ± 0.539 40.82 ± 3.81 127.35 ± 4.99
RH10 -0.498 ± 0.061 0.607 ± 0.056 0.620 ± 0.525 38.32 ± 4.04 129.36 ± 5.15
Average -0.774 0.473 0.261 15.861 147.289
Median -0.856 0.504 0.117 6.695 151.870
Deviation 0.198 0.126 0.264 16.449 13.680

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 66.3 ± 4.2 385.2 ± 2.1 2.42 ± 0.11
VC 83.6 ± 4.7 503.4 ± 2.5 2.42 ± 0.11
MX1 71.9 ± 4.7 462.3 ± 2.4 2.42 ± 0.11
MX2 74.1 ± 4.8 474.2 ± 2.5 2.42 ± 0.11
MX3 75.3 ± 4.8 479.7 ± 2.5 2.42 ± 0.11
RH08 86.6 ± 4.8 512.7 ± 2.6 2.42 ± 0.11
RH09 60.7 ± 4.0 263.6 ± 2.0 2.42 ± 0.11
RH10 60.9 ± 4.0 282.9 ± 8.6 2.42 ± 0.11
Average 72.4 420.5 2.42
Median 74.1 474.2 2.42
Deviation 9.6 98.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 123.4 ± 2.7 11.7 ± 0.2 17.2 ± 0.1 56.0 ± 0.7 10.58 ± 0.30 2.20 ± 0.06
VC 144.0 ± 3.1 3.2 ± 0.0 4.7 ± 0.0 57.2 ± 0.7 45.73 ± 1.20 2.52 ± 0.06
MX1 139.9 ± 3.2 8.9 ± 0.1 13.3 ± 0.1 56.5 ± 0.7 15.64 ± 0.43 2.48 ± 0.06
MX2 141.8 ± 3.2 7.8 ± 0.1 11.7 ± 0.1 56.7 ± 0.7 18.07 ± 0.49 2.50 ± 0.06
MX3 142.6 ± 3.2 7.2 ± 0.1 10.8 ± 0.1 56.8 ± 0.7 19.69 ± 0.53 2.51 ± 0.06
RH8 144.7 ± 3.1 1.7 ± 0.0 2.5 ± 0.0 57.2 ± 0.7 87.07 ± 2.26 2.53 ± 0.06
RH9 97.2 ± 2.1 14.3 ± 0.2 21.0 ± 0.1 55.4 ± 0.6 6.78 ± 0.20 1.75 ± 0.05
RH10 101.7 ± 2.2 14.2 ± 0.2 20.8 ± 0.1 55.4 ± 0.6 7.14 ± 0.21 1.83 ± 0.05
Average 129.4 8.6 12.8 56.4 26.3 2.3
Median 141.8 8.9 13.3 56.7 18.1 2.5
Deviation 19.7 4.7 6.8 0.7 27.5 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 51.3 ± 2.2 16.0 ± 0.7 25.9 ± 1.0 79.4 ± 3.0 3.20 ± 0.13 0.65 ± 0.03
VC 63.1 ± 1.3 4.3 ± 0.2 7.1 ± 0.3 80.9 ± 3.0 14.59 ± 0.90 0.78 ± 0.05
MX1 60.7 ± 1.1 12.3 ± 0.5 20.0 ± 0.8 80.1 ± 3.0 4.94 ± 0.28 0.76 ± 0.04
MX2 62.1 ± 1.3 10.8 ± 0.5 17.6 ± 0.7 80.3 ± 3.0 5.77 ± 0.35 0.78 ± 0.04
MX3 62.8 ± 1.4 10.0 ± 0.4 16.3 ± 0.7 80.4 ± 3.0 6.32 ± 0.40 0.78 ± 0.05
RH8 63.9 ± 1.6 2.3 ± 0.1 3.8 ± 0.2 81.0 ± 3.0 28.02 ± 1.84 0.79 ± 0.05
RH9 40.7 ± 3.9 19.7 ± 0.9 31.4 ± 1.3 78.6 ± 2.9 2.06 ± 0.14 0.52 ± 0.04
RH10 42.4 ± 3.7 19.6 ± 0.8 31.2 ± 1.3 78.6 ± 2.9 2.17 ± 0.13 0.54 ± 0.04
Average 55.9 11.9 19.2 79.9 8.4 0.7
Median 62.1 12.3 20.0 80.3 5.8 0.8
Deviation 9.7 6.5 10.2 0.9 8.9 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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