CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19963161512
Observation time: 11/11/1996 316.63352 1512 [UT]

Wind spacecraft

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General information
Asymptotic parameters
Shock front normals
Key parameters
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 316.633524
Arrival time of shock [seconds of day] 54736.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 65.311
Y GSE location of spacecraft [Re] 17.679
Z GSE location of spacecraft [Re] 6.260
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0164
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0189
Minimum chisq/dof for RH8,RH9,RH10 7.85, 20.96, 22.38
Event added to database
Thu Oct 20 11:10:59 2005
Event last processed
Tue Mar 31 00:27:15 2009
Method selected
RH08
Propagation delay to Earth [minutes]
17.855 ± 0.250

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -347.4 ± 0.4 -362.7 ± 1.1
Vy GSE [km/s] -8.2 ± 0.1 -3.6 ± 1.3
Vz GSE [km/s] 2.8 ± 0.3 -1.7 ± 0.5
Wi [km/s] 15.5 ± 0.3 17.2 ± 0.4
We [km/s] 489.8 ± 8.8 543.7 ± 13.9
Ni [n/cc] 11.3 ± 0.1 20.2 ± 1.3
Bx GSE [nT] -1.3 ± 0.1 -1.2 ± 0.2
By GSE [nT] 0.3 ± 0.1 1.9 ± 0.1
Bz GSE [nT] 1.1 ± 0.1 0.4 ± 0.6
Plasma Beta
1.969 ± 1.897
2.307 ± 2.271
Sound Speed [km/s]
20.00 ± 0.36
22.20 ± 0.57
Alfven Speed [km/s]
11.07 ± 0.49
11.33 ± 0.30

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.761 ± 0.081 0.275 ± 0.125 0.588 ± 0.508 36.00 ± 7.08 160.14 ± 9.23
VC -0.922 ± 0.024 0.276 ± 0.077 -0.271 ± 0.265 -15.75 ± 1.82 163.34 ± 4.78
MX1 -0.847 ± 0.163 0.223 ± 0.059 0.482 ± 0.441 28.85 ± 20.00 165.22 ± 2.73
MX2 -0.905 ± 0.046 -0.140 ± 0.199 -0.402 ± 0.378 -23.68 ± 5.00 188.78 ± 12.61
MX3 -0.991 ± 0.017 0.013 ± 0.113 -0.132 ± 0.132 -7.60 ± 7.22 179.26 ± 6.54
RH08 -0.987 ± 0.003 0.095 ± 0.014 -0.128 ± 0.128 -7.38 ± 0.97 174.48 ± 0.83
RH09 -0.941 ± 0.020 -0.227 ± 0.059 0.251 ± 0.246 14.56 ± 3.32 193.54 ± 3.56
RH10 -0.941 ± 0.022 -0.227 ± 0.063 0.251 ± 0.246 14.56 ± 3.72 193.54 ± 3.82
Average -0.912 0.036 0.080 4.944 177.286
Median -0.922 0.095 0.251 14.560 179.255
Deviation 0.076 0.215 0.363 21.637 13.661

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 7.9 ± 2.9 286.9 ± 2.1 1.79 ± 0.13
VC 56.7 ± 4.4 355.2 ± 2.7 1.79 ± 0.13
MX1 12.2 ± 4.4 320.4 ± 2.2 1.79 ± 0.13
MX2 67.7 ± 3.6 348.6 ± 1.8 1.79 ± 0.13
MX3 49.8 ± 3.8 380.1 ± 2.2 1.79 ± 0.13
RH08 48.8 ± 4.1 378.7 ± 2.3 1.79 ± 0.13
RH09 35.3 ± 2.0 358.2 ± 1.7 1.79 ± 0.13
RH10 35.3 ± 2.0 358.2 ± 1.7 1.79 ± 0.13
Average 39.2 348.3 1.79
Median 48.8 358.2 1.79
Deviation 20.9 31.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 23.2 ± 0.3 10.9 ± 0.5 11.0 ± 0.5 20.1 ± 0.4 2.13 ± 0.10 1.16 ± 0.02
VC 38.0 ± 0.4 5.5 ± 0.2 6.1 ± 0.3 22.2 ± 0.4 6.94 ± 0.24 1.71 ± 0.03
MX1 26.7 ± 0.3 10.7 ± 0.5 10.8 ± 0.5 20.2 ± 0.4 2.49 ± 0.12 1.32 ± 0.02
MX2 34.2 ± 0.3 3.7 ± 0.1 4.2 ± 0.2 22.6 ± 0.4 9.20 ± 0.31 1.52 ± 0.02
MX3 36.3 ± 0.4 6.5 ± 0.2 7.1 ± 0.3 21.9 ± 0.4 5.58 ± 0.20 1.66 ± 0.02
RH8 36.9 ± 0.4 6.7 ± 0.2 7.3 ± 0.3 21.9 ± 0.4 5.54 ± 0.20 1.69 ± 0.03
RH9 28.7 ± 0.3 8.5 ± 0.3 9.0 ± 0.4 21.2 ± 0.4 3.38 ± 0.14 1.35 ± 0.02
RH10 28.7 ± 0.3 8.5 ± 0.3 9.0 ± 0.4 21.2 ± 0.4 3.38 ± 0.14 1.35 ± 0.02
Average 31.6 7.6 8.1 21.4 4.8 1.5
Median 34.2 8.5 9.0 21.9 5.5 1.5
Deviation 5.5 2.5 2.3 0.9 2.4 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 12.9 ± 0.7 11.2 ± 0.3 11.2 ± 0.3 22.3 ± 0.6 1.16 ± 0.07 0.58 ± 0.04
VC 21.3 ± 1.0 5.7 ± 0.1 6.2 ± 0.2 24.3 ± 0.6 3.75 ± 0.16 0.88 ± 0.04
MX1 14.8 ± 0.8 11.0 ± 0.3 11.1 ± 0.3 22.4 ± 0.6 1.35 ± 0.07 0.66 ± 0.04
MX2 19.1 ± 1.2 3.9 ± 0.1 4.3 ± 0.1 24.6 ± 0.6 4.93 ± 0.23 0.78 ± 0.04
MX3 20.4 ± 1.1 6.8 ± 0.2 7.3 ± 0.2 24.0 ± 0.6 3.02 ± 0.13 0.85 ± 0.04
RH8 20.7 ± 1.1 6.9 ± 0.2 7.5 ± 0.2 23.9 ± 0.6 2.99 ± 0.13 0.87 ± 0.04
RH9 16.5 ± 1.2 8.8 ± 0.2 9.2 ± 0.2 23.3 ± 0.6 1.87 ± 0.10 0.71 ± 0.04
RH10 16.5 ± 1.2 8.8 ± 0.2 9.2 ± 0.2 23.3 ± 0.6 1.87 ± 0.10 0.71 ± 0.04
Average 17.8 7.9 8.3 23.5 2.6 0.8
Median 19.1 8.8 9.2 23.9 3.0 0.8
Deviation 3.1 2.5 2.4 0.9 1.3 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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