CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20132701319
Observation time: 09/27/2013 270.55550 1319 [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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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2013
Fractional day of year 270.555503
Arrival time of shock [seconds of day] 47995.5 ± 30.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 248.411
Y GSE location of spacecraft [Re] 69.901
Z GSE location of spacecraft [Re] 12.979
Upstream plasma points selected for analysis 0004
Upstream field points selected for analysis 0123
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0160
Minimum chisq/dof for RH8,RH9,RH10 7.27, 8.72, 10.66
Event added to database
Tue Jun 10 23:22:51 2014
Event last processed
Wed Jun 11 02:17:05 2014
Method selected
RH08
Propagation delay to Earth [minutes]
87.879 ± 18.063

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -298.3 ± 0.7 -307.0 ± 1.3
Vy GSE [km/s] 1.9 ± 0.9 -0.8 ± 0.8
Vz GSE [km/s] -12.7 ± 0.4 -10.9 ± 1.1
Wi [km/s] 26.1 ± 0.2 24.2 ± 0.7
We [km/s] 824.5 ± 6.6 765.0 ± 23.1
Ni [n/cc] 5.2 ± 0.0 4.8 ± 0.2
Bx GSE [nT] 0.4 ± 0.4 1.9 ± 0.1
By GSE [nT] 0.3 ± 0.1 1.2 ± 0.1
Bz GSE [nT] 0.4 ± 0.4 -0.4 ± 0.2
Plasma Beta
12.508 ± 14.534
1.167 ± 1.143
Sound Speed [km/s]
33.66 ± 0.27
31.23 ± 0.94
Alfven Speed [km/s]
7.82 ± 1.86
22.54 ± 1.19

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.654 ± 0.447 -0.383 ± 0.563 -0.652 ± 0.539 -40.73 ± 32.78 210.34 ± 46.47
VC -0.934 ± 0.042 -0.304 ± 0.117 0.188 ± 0.186 10.83 ± 5.73 198.05 ± 7.14
MX1 -0.627 ± 0.512 -0.459 ± 0.540 -0.629 ± 0.529 -38.99 ± 43.58 216.18 ± 42.01
MX2 -0.659 ± 0.554 0.747 ± 0.489 0.088 ± 0.088 5.05 ± 32.54 131.43 ± 42.42
MX3 -0.807 ± 0.314 0.226 ± 0.531 -0.545 ± 0.483 -33.03 ± 30.23 164.37 ± 37.28
RH08 -0.604 ± 0.036 0.500 ± 0.035 -0.620 ± 0.525 -38.32 ± 3.38 140.39 ± 2.50
RH09 -0.596 ± 0.051 0.511 ± 0.053 -0.620 ± 0.525 -38.32 ± 4.08 139.39 ± 4.31
RH10 -0.583 ± 0.055 0.483 ± 0.060 -0.654 ± 0.539 -40.82 ± 3.94 140.39 ± 5.14
Average -0.683 0.165 -0.431 -26.792 167.567
Median -0.627 0.483 -0.620 -38.324 164.373
Deviation 0.123 0.476 0.354 21.627 35.272

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 31.6 ± 16.4 152.0 ± 11.4 0.92 ± 0.03
VC 56.2 ± 36.7 190.3 ± 20.1 0.92 ± 0.03
MX1 30.8 ± 17.1 143.8 ± 11.6 0.92 ± 0.03
MX2 87.8 ± 19.9 162.0 ± 7.7 0.92 ± 0.03
MX3 53.3 ± 7.0 197.0 ± 10.4 0.92 ± 0.03
RH08 64.1 ± 9.3 161.5 ± 4.6 0.92 ± 0.03
RH09 64.7 ± 9.4 159.7 ± 4.4 0.92 ± 0.03
RH10 63.0 ± 10.4 157.4 ± 18.4 0.92 ± 0.03
Average 56.4 165.5 0.92
Median 63.0 161.5 0.92
Deviation 18.7 18.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -50.7 ± 0.6 6.6 ± 1.5 6.7 ± 1.6 33.9 ± 0.3 -7.97 ± 1.75 -1.49 ± 0.01
VC -85.3 ± 0.9 4.3 ± 1.0 4.4 ± 1.0 34.3 ± 0.4 -20.75 ± 4.37 -2.49 ± 0.02
MX1 -50.5 ± 0.6 6.7 ± 1.6 6.7 ± 1.6 33.9 ± 0.3 -7.88 ± 1.73 -1.49 ± 0.02
MX2 -35.0 ± 0.6 0.3 ± 0.1 0.3 ± 0.1 34.6 ± 0.5 -122.37 ± 25.07 -1.01 ± 0.02
MX3 -51.3 ± 0.3 4.6 ± 1.0 4.7 ± 1.1 34.3 ± 0.4 -11.60 ± 2.47 -1.50 ± 0.01
RH8 -27.7 ± 0.4 3.3 ± 0.8 3.4 ± 0.8 34.4 ± 0.4 -8.62 ± 1.84 -0.80 ± 0.01
RH9 -26.8 ± 0.4 3.3 ± 0.7 3.3 ± 0.8 34.4 ± 0.4 -8.51 ± 1.81 -0.78 ± 0.01
RH10 -25.8 ± 0.4 3.5 ± 0.8 3.6 ± 0.8 34.4 ± 0.4 -7.71 ± 1.65 -0.75 ± 0.01
Average -44.1 4.1 4.1 34.3 -24.4 -1.3
Median -35.0 4.3 4.4 34.4 -8.5 -1.0
Deviation 20.1 2.0 2.1 0.2 39.8 0.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -56.2 ± 0.6 17.4 ± 0.6 19.2 ± 1.0 34.4 ± 0.5 -3.23 ± 0.12 -1.64 ± 0.03
VC -94.5 ± 1.2 10.6 ± 0.3 12.5 ± 0.7 37.1 ± 0.3 -8.96 ± 0.29 -2.55 ± 0.02
MX1 -56.0 ± 0.6 17.6 ± 0.6 19.4 ± 1.0 34.3 ± 0.5 -3.18 ± 0.13 -1.64 ± 0.03
MX2 -38.7 ± 1.4 0.7 ± 0.0 0.9 ± 0.0 38.5 ± 0.3 -54.52 ± 2.00 -1.01 ± 0.03
MX3 -56.6 ± 0.8 11.4 ± 0.3 13.5 ± 0.7 36.8 ± 0.3 -4.96 ± 0.14 -1.54 ± 0.02
RH8 -30.4 ± 0.7 8.1 ± 0.2 9.8 ± 0.5 37.7 ± 0.3 -3.73 ± 0.09 -0.81 ± 0.02
RH9 -29.4 ± 0.7 8.0 ± 0.2 9.7 ± 0.5 37.7 ± 0.3 -3.68 ± 0.08 -0.78 ± 0.02
RH10 -28.3 ± 0.6 8.5 ± 0.2 10.2 ± 0.5 37.6 ± 0.3 -3.33 ± 0.08 -0.75 ± 0.02
Average -48.8 10.3 11.9 36.8 -10.7 -1.3
Median -38.7 10.6 12.5 37.6 -3.7 -1.0
Deviation 22.4 5.5 5.9 1.6 17.8 0.6

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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