CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19962252211
Observation time: 08/12/1996 225.92491 2211 [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 1996
Fractional day of year 225.924913
Arrival time of shock [seconds of day] 79912.5 ± 57.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 98.932
Y GSE location of spacecraft [Re] 30.000
Z GSE location of spacecraft [Re] -3.040
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0136
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0141
Minimum chisq/dof for RH8,RH9,RH10 76.55, 54.91, 69.73
Event added to database
Mon Feb 14 11:03:04 2005
Event last processed
Mon Mar 30 16:25:36 2009
Method selected
RH08
Propagation delay to Earth [minutes]
14.167 ± 7.244

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -343.2 ± 1.6 -363.1 ± 1.3
Vy GSE [km/s] -11.9 ± 1.0 -5.9 ± 0.6
Vz GSE [km/s] 4.5 ± 1.5 -20.5 ± 0.8
Wi [km/s] 19.9 ± 0.3 29.7 ± 0.3
We [km/s] 630.1 ± 9.8 939.9 ± 11.0
Ni [n/cc] 21.2 ± 0.6 30.7 ± 1.6
Bx GSE [nT] -3.3 ± 0.3 -5.8 ± 0.1
By GSE [nT] 1.5 ± 0.3 0.9 ± 0.1
Bz GSE [nT] -2.1 ± 0.3 -0.4 ± 0.3
Plasma Beta
1.028 ± 1.014
1.611 ± 1.572
Sound Speed [km/s]
25.72 ± 0.40
38.37 ± 0.45
Alfven Speed [km/s]
19.77 ± 1.43
23.44 ± 0.88

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.559 ± 0.084 0.444 ± 0.090 -0.700 ± 0.554 -44.45 ± 5.86 141.50 ± 8.02
VC -0.614 ± 0.045 0.184 ± 0.026 -0.768 ± 0.561 -50.17 ± 3.45 163.33 ± 2.11
MX1 -0.561 ± 0.099 0.130 ± 0.058 -0.818 ± 0.551 -54.87 ± 7.04 166.91 ± 5.51
MX2 -0.558 ± 0.077 0.183 ± 0.043 -0.809 ± 0.554 -54.02 ± 5.66 161.88 ± 3.64
MX3 -0.559 ± 0.070 0.199 ± 0.057 -0.805 ± 0.555 -53.63 ± 5.07 160.42 ± 5.34
RH08 -0.421 ± 0.012 0.269 ± 0.015 -0.866 ± 0.524 -59.99 ± 0.65 147.41 ± 1.97
RH09 -0.074 ± 0.070 0.989 ± 0.010 0.128 ± 0.128 7.38 ± 4.01 94.26 ± 4.07
RH10 -0.039 ± 0.070 0.984 ± 0.012 0.173 ± 0.171 9.97 ± 4.03 92.26 ± 4.10
Average -0.423 0.423 -0.558 -37.470 140.995
Median -0.558 0.269 -0.768 -50.165 160.415
Deviation 0.233 0.361 0.440 28.827 30.670

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 18.8 ± 3.4 284.5 ± 12.5 1.44 ± 0.08
VC 20.9 ± 6.0 310.5 ± 12.8 1.44 ± 0.08
MX1 26.1 ± 6.0 292.3 ± 12.7 1.44 ± 0.08
MX2 24.4 ± 6.0 291.1 ± 12.7 1.44 ± 0.08
MX3 23.8 ± 6.0 291.0 ± 12.7 1.44 ± 0.08
RH08 30.5 ± 5.5 240.0 ± 12.3 1.44 ± 0.08
RH09 69.8 ± 3.7 28.4 ± 3.7 1.44 ± 0.08
RH10 72.9 ± 3.8 10.9 ± 3.3 1.44 ± 0.08
Average 35.9 218.6 1.44
Median 26.1 291.0 1.44
Deviation 22.2 124.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 101.1 ± 0.9 17.7 ± 1.1 18.7 ± 1.4 27.2 ± 0.6 5.74 ± 0.36 3.72 ± 0.10
VC 105.5 ± 1.1 17.3 ± 1.0 18.5 ± 1.3 27.5 ± 0.6 6.12 ± 0.38 3.84 ± 0.12
MX1 105.1 ± 1.1 16.2 ± 0.9 17.8 ± 1.3 28.1 ± 0.7 6.49 ± 0.38 3.74 ± 0.12
MX2 105.2 ± 1.1 16.6 ± 0.9 18.0 ± 1.3 27.9 ± 0.7 6.36 ± 0.38 3.78 ± 0.12
MX3 105.2 ± 1.0 16.7 ± 1.0 18.1 ± 1.3 27.8 ± 0.7 6.31 ± 0.38 3.78 ± 0.12
RH8 102.4 ± 1.0 15.3 ± 0.8 17.0 ± 1.2 28.6 ± 0.7 6.72 ± 0.38 3.58 ± 0.12
RH9 14.2 ± 1.3 5.5 ± 0.3 6.8 ± 0.5 32.0 ± 1.0 2.60 ± 0.27 0.45 ± 0.04
RH10 8.5 ± 1.3 4.6 ± 0.2 5.8 ± 0.4 32.1 ± 1.0 1.83 ± 0.30 0.26 ± 0.04
Average 80.9 13.7 15.1 28.9 5.3 2.9
Median 105.1 16.6 18.0 28.1 6.3 3.7
Deviation 43.0 5.4 5.4 2.0 1.9 1.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 69.8 ± 1.5 21.6 ± 0.8 22.2 ± 0.8 39.4 ± 0.5 3.24 ± 0.08 1.77 ± 0.02
VC 73.0 ± 1.5 21.2 ± 0.7 21.9 ± 0.8 39.7 ± 0.6 3.45 ± 0.08 1.84 ± 0.02
MX1 72.8 ± 1.4 20.1 ± 0.7 21.1 ± 0.8 40.2 ± 0.6 3.63 ± 0.09 1.81 ± 0.02
MX2 72.8 ± 1.5 20.5 ± 0.7 21.3 ± 0.8 40.0 ± 0.6 3.56 ± 0.09 1.82 ± 0.02
MX3 72.8 ± 1.5 20.6 ± 0.7 21.4 ± 0.8 40.0 ± 0.6 3.54 ± 0.09 1.82 ± 0.02
RH8 70.8 ± 1.4 19.0 ± 0.6 20.2 ± 0.8 40.7 ± 0.6 3.73 ± 0.09 1.74 ± 0.02
RH9 10.0 ± 0.6 7.0 ± 0.2 8.1 ± 0.3 44.4 ± 0.8 1.44 ± 0.05 0.23 ± 0.01
RH10 6.1 ± 0.5 5.9 ± 0.2 6.9 ± 0.3 44.6 ± 0.8 1.03 ± 0.06 0.14 ± 0.01
Average 56.0 17.0 17.9 41.1 3.0 1.4
Median 72.8 20.5 21.3 40.2 3.5 1.8
Deviation 29.6 6.5 6.5 2.1 1.1 0.8

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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