CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20050160927
Observation time: 01/16/2005 16.39401 0927 [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 2005
Fractional day of year 16.394010
Arrival time of shock [seconds of day] 34042.5 ± 50.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 256.950
Y GSE location of spacecraft [Re] 6.411
Z GSE location of spacecraft [Re] 19.420
Upstream plasma points selected for analysis 0010
Upstream field points selected for analysis 0303
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0260
Minimum chisq/dof for RH8,RH9,RH10 3.68, 10.66, 10.83
Event added to database
Mon Sep 23 15:39:17 2013
Event last processed
Tue Sep 24 15:44:24 2013
Method selected
RH08
Propagation delay to Earth [minutes]
47.760 ± 0.343

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -502.0 ± 5.7 -538.2 ± 2.8
Vy GSE [km/s] 25.8 ± 4.2 28.2 ± 3.6
Vz GSE [km/s] 3.6 ± 5.3 -33.8 ± 4.1
Wi [km/s] 39.5 ± 3.4 49.1 ± 2.0
We [km/s] 1247.5 ± 106.4 1551.7 ± 64.2
Ni [n/cc] 2.9 ± 0.4 5.9 ± 0.3
Bx GSE [nT] 4.9 ± 0.4 4.5 ± 0.4
By GSE [nT] 2.3 ± 0.3 4.2 ± 0.6
Bz GSE [nT] -0.7 ± 0.7 -4.0 ± 0.1
Plasma Beta
0.338 ± 0.262
0.554 ± 0.557
Sound Speed [km/s]
50.93 ± 4.34
63.35 ± 2.62
Alfven Speed [km/s]
71.15 ± 8.54
66.16 ± 2.22

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.952 ± 0.051 -0.301 ± 0.160 -0.057 ± 0.057 -3.26 ± 5.78 197.53 ± 9.60
VC -0.700 ± 0.086 0.055 ± 0.110 -0.712 ± 0.556 -45.42 ± 6.91 175.48 ± 8.96
MX1 -0.936 ± 0.036 -0.339 ± 0.095 -0.095 ± 0.095 -5.46 ± 7.09 199.90 ± 5.80
MX2 -0.922 ± 0.038 -0.368 ± 0.088 -0.125 ± 0.124 -7.16 ± 7.65 201.75 ± 5.47
MX3 -0.895 ± 0.065 -0.412 ± 0.130 -0.170 ± 0.169 -9.81 ± 9.73 204.71 ± 8.28
RH08 -0.999 ± 0.001 0.009 ± 0.017 0.050 ± 0.050 2.88 ± 0.72 179.50 ± 1.00
RH09 -0.998 ± 0.004 -0.061 ± 0.068 -0.017 ± 0.017 -0.96 ± 4.05 183.51 ± 3.91
RH10 -0.998 ± 0.004 -0.061 ± 0.068 -0.017 ± 0.017 -0.96 ± 4.05 183.51 ± 3.91
Average -0.925 -0.185 -0.143 -8.769 190.736
Median -0.936 -0.061 -0.057 -3.265 197.530
Deviation 0.099 0.188 0.240 15.334 11.403

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 13.7 ± 7.1 539.0 ± 1.3 2.22 ± 0.09
VC 59.1 ± 7.6 448.1 ± 2.0 2.22 ± 0.09
MX1 14.2 ± 7.5 531.1 ± 1.3 2.22 ± 0.09
MX2 15.2 ± 7.7 524.3 ± 1.4 2.22 ± 0.09
MX3 17.3 ± 7.8 510.4 ± 1.4 2.22 ± 0.09
RH08 26.8 ± 4.3 568.2 ± 1.2 2.22 ± 0.09
RH09 23.9 ± 5.2 569.8 ± 1.3 2.22 ± 0.09
RH10 23.9 ± 5.2 569.8 ± 11.3 2.22 ± 0.09
Average 24.3 532.6 2.22
Median 23.9 539.0 2.22
Deviation 15.0 41.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 69.0 ± 6.5 47.3 ± 1.7 69.1 ± 8.3 73.9 ± 6.1 1.46 ± 0.14 0.94 ± 0.11
VC 98.0 ± 5.2 21.7 ± 0.5 36.5 ± 4.4 85.1 ± 4.6 4.52 ± 0.25 1.15 ± 0.08
MX1 70.4 ± 6.5 47.1 ± 1.7 69.0 ± 8.3 74.0 ± 6.1 1.49 ± 0.15 0.96 ± 0.11
MX2 71.6 ± 6.6 46.8 ± 1.6 68.7 ± 8.2 74.3 ± 6.0 1.53 ± 0.15 0.97 ± 0.11
MX3 72.3 ± 6.6 45.9 ± 1.5 67.9 ± 8.2 74.8 ± 5.8 1.58 ± 0.15 0.97 ± 0.11
RH8 66.5 ± 5.7 41.5 ± 1.1 63.5 ± 7.6 77.4 ± 5.3 1.60 ± 0.14 0.86 ± 0.08
RH9 70.5 ± 5.9 42.9 ± 1.2 65.0 ± 7.8 76.6 ± 5.4 1.64 ± 0.14 0.92 ± 0.09
RH10 70.5 ± 5.9 42.9 ± 1.2 65.0 ± 7.8 76.6 ± 5.4 1.64 ± 0.14 0.92 ± 0.09
Average 73.6 42.0 63.1 76.6 1.9 1.0
Median 70.5 45.9 67.9 76.6 1.6 1.0
Deviation 10.0 8.5 11.0 3.7 1.0 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 33.1 ± 2.5 56.2 ± 1.1 64.3 ± 2.2 72.3 ± 1.6 0.59 ± 0.04 0.46 ± 0.03
VC 45.9 ± 3.2 24.3 ± 0.5 34.0 ± 1.1 88.4 ± 1.7 1.88 ± 0.13 0.52 ± 0.04
MX1 33.7 ± 2.4 55.9 ± 1.1 64.1 ± 2.2 72.6 ± 1.6 0.60 ± 0.04 0.46 ± 0.03
MX2 34.4 ± 2.4 55.3 ± 1.1 63.9 ± 2.1 73.0 ± 1.6 0.62 ± 0.04 0.47 ± 0.03
MX3 34.5 ± 2.3 54.0 ± 1.0 63.2 ± 2.1 74.0 ± 1.6 0.64 ± 0.04 0.47 ± 0.03
RH8 32.2 ± 2.9 47.8 ± 0.9 59.1 ± 2.0 78.2 ± 1.6 0.67 ± 0.06 0.41 ± 0.04
RH9 33.9 ± 2.8 49.7 ± 1.0 60.5 ± 2.0 77.0 ± 1.6 0.68 ± 0.05 0.44 ± 0.04
RH10 33.9 ± 2.8 49.7 ± 1.0 60.5 ± 2.0 77.0 ± 1.6 0.68 ± 0.05 0.44 ± 0.04
Average 35.2 49.1 58.7 76.6 0.8 0.5
Median 33.9 54.0 63.2 77.0 0.7 0.5
Deviation 4.4 10.5 10.2 5.3 0.4 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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