CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19961980238
Observation time: 07/16/1996 198.11016 0238 [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 1996
Fractional day of year 198.110156
Arrival time of shock [seconds of day] 9517.5 ± 60.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 205.498
Y GSE location of spacecraft [Re] 16.750
Z GSE location of spacecraft [Re] -5.048
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0222
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0246
Minimum chisq/dof for RH8,RH9,RH10 16.11, 16.57, 3.90
Event added to database
Mon Feb 14 11:02:57 2005
Event last processed
Mon Mar 30 16:22:23 2009
Method selected
RH08
Propagation delay to Earth [minutes]
112.486 ± 69.095

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -298.6 ± 1.0 -349.4 ± 6.9
Vy GSE [km/s] 6.7 ± 2.9 14.1 ± 3.0
Vz GSE [km/s] -39.6 ± 1.7 -16.6 ± 2.5
Wi [km/s] 26.9 ± 0.5 34.0 ± 0.8
We [km/s] 851.7 ± 16.3 1074.8 ± 25.0
Ni [n/cc] 5.3 ± 0.1 13.6 ± 1.0
Bx GSE [nT] 6.0 ± 0.1 -2.0 ± 0.6
By GSE [nT] -3.1 ± 0.2 -3.7 ± 0.6
Bz GSE [nT] -2.2 ± 0.3 1.1 ± 0.2
Plasma Beta
0.158 ± 0.157
1.757 ± 1.675
Sound Speed [km/s]
34.77 ± 0.67
43.88 ± 1.02
Alfven Speed [km/s]
67.86 ± 0.52
26.01 ± 2.72

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.090 ± 0.079 0.995 ± 0.007 -0.034 ± 0.034 -1.94 ± 2.49 95.16 ± 4.55
VC -0.903 ± 0.019 0.132 ± 0.066 0.409 ± 0.385 24.15 ± 2.30 171.67 ± 4.18
MX1 -0.144 ± 0.079 0.974 ± 0.023 -0.175 ± 0.173 -10.08 ± 6.46 98.39 ± 4.65
MX2 -0.250 ± 0.674 0.968 ± 0.174 0.003 ± 0.003 0.16 ± 3.04 104.46 ± 39.90
MX3 -0.914 ± 0.574 0.403 ± 1.302 -0.046 ± 0.046 -2.65 ± 16.81 156.20 ± 81.62
RH08 0.013 ± 0.021 0.973 ± 0.009 0.229 ± 0.225 13.24 ± 2.19 89.25 ± 1.23
RH09 0.013 ± 0.026 0.973 ± 0.011 0.229 ± 0.225 13.24 ± 2.73 89.25 ± 1.52
RH10 -0.363 ± 0.043 -0.198 ± 0.064 -0.911 ± 0.473 -65.59 ± 1.83 208.58 ± 9.88
Average -0.330 0.653 -0.037 -3.684 126.620
Median -0.144 0.973 0.003 0.160 104.464
Deviation 0.379 0.475 0.401 27.360 45.815

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 60.1 ± 2.1 53.2 ± 4.7 2.55 ± 0.19
VC 18.7 ± 2.1 342.9 ± 12.9 2.55 ± 0.19
MX1 60.6 ± 2.1 73.5 ± 4.7 2.55 ± 0.19
MX2 50.7 ± 2.1 113.3 ± 5.2 2.55 ± 0.19
MX3 20.9 ± 2.1 354.7 ± 11.4 2.55 ± 0.19
RH08 61.2 ± 1.9 12.1 ± 4.5 2.55 ± 0.19
RH09 61.2 ± 1.9 12.1 ± 4.5 2.55 ± 0.19
RH10 86.6 ± 2.1 136.3 ± 2.7 2.55 ± 0.19
Average 52.5 137.3 2.55
Median 60.6 113.3 2.55
Deviation 22.6 137.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 18.3 ± 3.0 15.7 ± 0.2 33.8 ± 0.3 74.6 ± 0.5 1.17 ± 0.20 0.25 ± 0.04
VC 88.6 ± 1.3 32.4 ± 0.6 64.3 ± 0.5 69.0 ± 0.5 2.74 ± 0.06 1.28 ± 0.01
MX1 17.2 ± 3.0 15.5 ± 0.2 33.3 ± 0.3 74.7 ± 0.5 1.11 ± 0.21 0.23 ± 0.04
MX2 32.4 ± 2.9 20.3 ± 0.3 42.9 ± 0.3 73.5 ± 0.5 1.60 ± 0.16 0.44 ± 0.04
MX3 77.2 ± 1.6 31.8 ± 0.6 63.4 ± 0.5 69.3 ± 0.5 2.43 ± 0.09 1.11 ± 0.02
RH8 18.4 ± 2.7 15.2 ± 0.2 32.7 ± 0.2 74.7 ± 0.5 1.21 ± 0.19 0.25 ± 0.04
RH9 18.4 ± 2.7 15.2 ± 0.2 32.7 ± 0.2 74.7 ± 0.5 1.21 ± 0.19 0.25 ± 0.04
RH10 -6.7 ± 1.3 1.8 ± 0.0 4.0 ± 0.0 76.2 ± 0.5 -3.69 ± 0.70 -0.09 ± 0.02
Average 33.0 18.5 38.4 73.3 1.0 0.5
Median 18.4 15.7 33.8 74.7 1.2 0.2
Deviation 32.8 9.9 19.3 2.7 2.0 0.5

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 7.2 ± 3.1 11.4 ± 0.9 13.0 ± 1.4 49.8 ± 1.7 0.62 ± 0.24 0.14 ± 0.06
VC 32.4 ± 7.1 24.0 ± 2.4 24.6 ± 2.6 45.0 ± 1.1 1.36 ± 0.32 0.72 ± 0.16
MX1 6.7 ± 3.0 11.2 ± 0.9 12.8 ± 1.3 49.8 ± 1.7 0.59 ± 0.24 0.13 ± 0.06
MX2 12.5 ± 3.4 14.8 ± 1.2 16.5 ± 1.7 48.9 ± 1.6 0.84 ± 0.21 0.26 ± 0.07
MX3 29.0 ± 6.3 23.5 ± 2.3 24.3 ± 2.5 45.3 ± 1.1 1.24 ± 0.29 0.64 ± 0.14
RH8 6.7 ± 3.0 11.0 ± 0.9 12.5 ± 1.3 49.8 ± 1.7 0.59 ± 0.25 0.13 ± 0.06
RH9 6.7 ± 3.0 11.0 ± 0.9 12.5 ± 1.3 49.8 ± 1.7 0.59 ± 0.25 0.13 ± 0.06
RH10 -2.8 ± 1.7 1.3 ± 0.1 1.5 ± 0.2 51.0 ± 1.8 -2.10 ± 1.19 -0.05 ± 0.03
Average 12.3 13.5 14.7 48.7 0.5 0.3
Median 7.2 11.4 13.0 49.8 0.6 0.1
Deviation 12.1 7.4 7.4 2.3 1.1 0.3

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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