CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19961900005
Observation time: 07/08/1996 190.00370 0005 [UT]

Wind spacecraft

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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 190.003698
Arrival time of shock [seconds of day] 319.5 ± 60.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 211.190
Y GSE location of spacecraft [Re] 18.140
Z GSE location of spacecraft [Re] -8.960
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0254
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0262
Minimum chisq/dof for RH8,RH9,RH10 4.97, 5.18, 5.46
Event added to database
Mon Feb 14 11:02:46 2005
Event last processed
Mon Mar 30 16:18:40 2009
Method selected
RH08
Propagation delay to Earth [minutes]
54.631 ± 1.879

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -378.6 ± 1.1 -413.4 ± 3.4
Vy GSE [km/s] -28.0 ± 2.5 5.2 ± 6.0
Vz GSE [km/s] 1.8 ± 2.3 6.8 ± 3.6
Wi [km/s] 37.6 ± 1.1 42.9 ± 1.1
We [km/s] 1190.1 ± 34.9 1358.0 ± 36.2
Ni [n/cc] 4.4 ± 0.2 7.4 ± 0.2
Bx GSE [nT] -4.1 ± 0.1 1.5 ± 0.6
By GSE [nT] 4.2 ± 0.1 -1.7 ± 0.8
Bz GSE [nT] 0.3 ± 0.5 -0.7 ± 0.6
Plasma Beta
0.385 ± 0.395
4.676 ± 4.215
Sound Speed [km/s]
48.59 ± 1.43
55.44 ± 1.48
Alfven Speed [km/s]
60.80 ± 2.05
20.88 ± 3.60

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.795 ± 0.305 -0.530 ± 0.383 -0.295 ± 0.286 -17.13 ± 43.39 213.68 ± 26.13
VC -0.723 ± 0.058 0.682 ± 0.062 0.112 ± 0.111 6.41 ± 5.73 136.69 ± 4.85
MX1 -0.780 ± 0.475 -0.611 ± 0.596 0.133 ± 0.132 7.63 ± 60.38 218.06 ± 43.33
MX2 -0.780 ± 0.293 -0.528 ± 0.341 -0.336 ± 0.323 -19.66 ± 41.64 214.09 ± 22.95
MX3 -0.828 ± 0.294 -0.559 ± 0.432 -0.049 ± 0.049 -2.80 ± 49.03 214.05 ± 29.87
RH08 -0.730 ± 0.003 -0.671 ± 0.002 -0.128 ± 0.128 -7.38 ± 1.58 222.62 ± 0.00
RH09 -0.730 ± 0.011 -0.671 ± 0.012 -0.128 ± 0.128 -7.38 ± 4.23 222.62 ± 0.77
RH10 -0.730 ± 0.015 -0.671 ± 0.016 -0.128 ± 0.128 -7.38 ± 4.62 222.62 ± 1.10
Average -0.762 -0.445 -0.103 -5.961 208.053
Median -0.730 -0.559 -0.128 -7.382 218.063
Deviation 0.039 0.460 0.168 9.756 29.116

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 81.2 ± 1.3 336.4 ± 7.4 1.67 ± 0.08
VC 5.2 ± 3.0 379.3 ± 16.9 1.67 ± 0.08
MX1 83.8 ± 1.2 330.3 ± 8.2 1.67 ± 0.08
MX2 81.8 ± 1.4 329.0 ± 7.4 1.67 ± 0.08
MX3 80.3 ± 0.8 352.2 ± 7.6 1.67 ± 0.08
RH08 89.1 ± 0.8 299.4 ± 8.1 1.67 ± 0.08
RH09 89.1 ± 0.8 299.4 ± 8.1 1.67 ± 0.08
RH10 89.1 ± 0.8 299.4 ± 8.1 1.67 ± 0.08
Average 74.9 328.2 1.67
Median 83.8 330.3 1.67
Deviation 28.4 28.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 21.0 ± 0.9 5.8 ± 0.1 9.3 ± 0.3 77.6 ± 1.3 3.60 ± 0.13 0.27 ± 0.01
VC 124.4 ± 2.0 48.0 ± 1.3 60.5 ± 2.0 61.2 ± 2.0 2.59 ± 0.11 2.03 ± 0.06
MX1 17.5 ± 1.7 4.1 ± 0.1 6.6 ± 0.2 77.7 ± 1.3 4.25 ± 0.40 0.23 ± 0.02
MX2 19.5 ± 0.8 5.4 ± 0.1 8.6 ± 0.3 77.7 ± 1.3 3.62 ± 0.13 0.25 ± 0.01
MX3 23.3 ± 1.3 6.4 ± 0.1 10.2 ± 0.3 77.6 ± 1.3 3.64 ± 0.19 0.30 ± 0.02
RH8 4.6 ± 1.4 0.6 ± 0.0 1.0 ± 0.0 77.9 ± 1.3 7.55 ± 2.20 0.06 ± 0.02
RH9 4.6 ± 1.4 0.6 ± 0.0 1.0 ± 0.0 77.9 ± 1.3 7.55 ± 2.20 0.06 ± 0.02
RH10 4.6 ± 1.4 0.6 ± 0.0 1.0 ± 0.0 77.9 ± 1.3 7.55 ± 2.20 0.06 ± 0.02
Average 27.4 8.9 12.3 75.7 5.0 0.4
Median 19.5 5.4 8.6 77.7 4.2 0.3
Deviation 40.0 16.0 19.9 5.8 2.1 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 12.4 ± 3.0 3.0 ± 0.4 3.2 ± 0.6 59.3 ± 0.8 4.21 ± 1.10 0.21 ± 0.05
VC 76.1 ± 5.6 20.8 ± 3.6 20.8 ± 3.6 55.5 ± 1.5 3.81 ± 1.00 1.37 ± 0.08
MX1 10.0 ± 3.2 2.1 ± 0.3 2.3 ± 0.4 59.3 ± 0.8 4.70 ± 1.31 0.17 ± 0.06
MX2 11.6 ± 3.0 2.8 ± 0.4 3.0 ± 0.5 59.3 ± 0.8 4.26 ± 1.19 0.20 ± 0.05
MX3 13.3 ± 2.9 3.3 ± 0.5 3.5 ± 0.6 59.3 ± 0.8 4.09 ± 0.88 0.23 ± 0.05
RH8 2.1 ± 3.3 0.3 ± 0.0 0.3 ± 0.1 59.3 ± 0.8 6.06 ± 10.86 0.04 ± 0.06
RH9 2.1 ± 3.3 0.3 ± 0.0 0.3 ± 0.1 59.3 ± 0.8 6.06 ± 10.86 0.04 ± 0.06
RH10 2.1 ± 3.3 0.3 ± 0.0 0.3 ± 0.1 59.3 ± 0.8 6.06 ± 10.86 0.04 ± 0.06
Average 16.2 4.1 4.2 58.8 4.9 0.3
Median 11.6 2.8 3.0 59.3 4.7 0.2
Deviation 24.7 6.9 6.8 1.4 1.0 0.4

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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