CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19961900150
Observation time: 07/08/1996 190.07641 0150 [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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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 1996
Fractional day of year 190.076406
Arrival time of shock [seconds of day] 6601.5 ± 9.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 211.170
Y GSE location of spacecraft [Re] 18.120
Z GSE location of spacecraft [Re] -8.930
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0239
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0240
Minimum chisq/dof for RH8,RH9,RH10 20.33, 21.41, 24.57
Event added to database
Mon Feb 14 11:02:50 2005
Event last processed
Mon Mar 30 16:20:37 2009
Method selected
RH08
Propagation delay to Earth [minutes]
50.204 ± 7.239

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -411.7 ± 2.7 -432.7 ± 1.9
Vy GSE [km/s] -9.3 ± 1.8 3.9 ± 2.0
Vz GSE [km/s] -12.1 ± 1.9 0.2 ± 1.6
Wi [km/s] 40.5 ± 1.1 45.1 ± 1.9
We [km/s] 1282.1 ± 35.4 1426.0 ± 59.2
Ni [n/cc] 5.7 ± 0.2 8.9 ± 0.3
Bx GSE [nT] -3.5 ± 0.2 3.3 ± 0.4
By GSE [nT] 4.0 ± 0.4 -1.6 ± 1.1
Bz GSE [nT] 4.6 ± 0.2 -1.1 ± 0.6
Plasma Beta
0.404 ± 0.400
2.448 ± 2.299
Sound Speed [km/s]
52.34 ± 1.44
58.22 ± 2.42
Alfven Speed [km/s]
64.01 ± 2.42
29.14 ± 2.47

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.743 ± 0.172 -0.135 ± 0.351 -0.655 ± 0.540 -40.92 ± 14.24 190.32 ± 26.97
VC -0.759 ± 0.066 0.477 ± 0.090 0.444 ± 0.412 26.35 ± 5.68 147.87 ± 6.59
MX1 -0.751 ± 0.120 -0.244 ± 0.243 -0.614 ± 0.522 -37.88 ± 8.87 198.00 ± 18.40
MX2 -0.868 ± 0.318 -0.293 ± 0.714 -0.401 ± 0.378 -23.67 ± 31.54 198.64 ± 46.92
MX3 -0.814 ± 0.227 -0.188 ± 0.459 -0.550 ± 0.486 -33.37 ± 21.46 192.99 ± 32.19
RH08 -0.743 ± 0.010 -0.513 ± 0.012 -0.430 ± 0.401 -25.48 ± 1.12 214.60 ± 0.84
RH09 -0.743 ± 0.036 -0.513 ± 0.043 -0.430 ± 0.401 -25.48 ± 3.71 214.60 ± 3.11
RH10 -0.742 ± 0.040 -0.531 ± 0.049 -0.408 ± 0.384 -24.07 ± 3.80 215.60 ± 3.55
Average -0.770 -0.242 -0.381 -23.064 196.577
Median -0.743 -0.244 -0.430 -25.478 198.635
Deviation 0.046 0.330 0.347 21.042 22.173

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 82.5 ± 2.2 331.5 ± 7.0 1.55 ± 0.07
VC 20.0 ± 2.3 380.8 ± 6.2 1.55 ± 0.07
MX1 80.7 ± 2.2 332.8 ± 7.2 1.55 ± 0.07
MX2 89.5 ± 2.2 391.0 ± 7.1 1.55 ± 0.07
MX3 86.8 ± 2.2 365.7 ± 7.0 1.55 ± 0.07
RH08 78.7 ± 2.2 325.6 ± 7.5 1.55 ± 0.07
RH09 78.7 ± 2.2 325.6 ± 7.5 1.55 ± 0.07
RH10 78.9 ± 2.3 325.2 ± 7.5 1.55 ± 0.07
Average 74.4 347.3 1.55
Median 80.7 332.8 1.55
Deviation 22.4 27.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 16.3 ± 2.7 5.3 ± 0.1 8.4 ± 0.3 82.6 ± 1.2 3.06 ± 0.52 0.20 ± 0.03
VC 78.1 ± 2.4 45.6 ± 0.7 60.2 ± 2.3 69.0 ± 1.6 1.71 ± 0.07 1.13 ± 0.03
MX1 14.0 ± 2.7 6.6 ± 0.1 10.4 ± 0.4 82.5 ± 1.2 2.14 ± 0.41 0.17 ± 0.03
MX2 26.2 ± 2.7 0.4 ± 0.0 0.6 ± 0.0 82.7 ± 1.2 74.67 ± 7.68 0.32 ± 0.03
MX3 22.3 ± 2.8 2.3 ± 0.0 3.6 ± 0.1 82.7 ± 1.2 9.74 ± 1.21 0.27 ± 0.03
RH8 9.7 ± 2.5 8.0 ± 0.1 12.6 ± 0.5 82.3 ± 1.2 1.21 ± 0.31 0.12 ± 0.03
RH9 9.7 ± 2.5 8.0 ± 0.1 12.6 ± 0.5 82.3 ± 1.2 1.21 ± 0.31 0.12 ± 0.03
RH10 9.7 ± 2.5 7.8 ± 0.1 12.4 ± 0.5 82.3 ± 1.2 1.23 ± 0.31 0.12 ± 0.03
Average 23.3 10.5 15.1 80.8 11.9 0.3
Median 16.3 7.8 12.4 82.5 2.1 0.2
Deviation 23.0 14.5 18.8 4.8 25.5 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 10.4 ± 2.0 3.4 ± 0.2 3.8 ± 0.3 65.1 ± 2.2 3.05 ± 0.50 0.16 ± 0.03
VC 50.5 ± 1.2 26.9 ± 2.1 27.4 ± 2.3 59.3 ± 2.3 1.89 ± 0.13 0.85 ± 0.03
MX1 9.0 ± 2.1 4.2 ± 0.3 4.7 ± 0.4 65.0 ± 2.2 2.12 ± 0.44 0.14 ± 0.03
MX2 16.7 ± 2.2 0.2 ± 0.0 0.3 ± 0.0 65.2 ± 2.2 74.06 ± 8.89 0.26 ± 0.04
MX3 14.4 ± 2.0 1.5 ± 0.1 1.7 ± 0.1 65.1 ± 2.2 9.78 ± 1.21 0.22 ± 0.04
RH8 6.0 ± 2.3 5.1 ± 0.3 5.7 ± 0.5 64.9 ± 2.2 1.17 ± 0.44 0.09 ± 0.04
RH9 6.0 ± 2.3 5.1 ± 0.3 5.7 ± 0.5 64.9 ± 2.2 1.17 ± 0.44 0.09 ± 0.04
RH10 6.0 ± 2.3 5.0 ± 0.3 5.6 ± 0.5 65.0 ± 2.2 1.19 ± 0.46 0.09 ± 0.04
Average 14.9 6.4 6.9 64.3 11.8 0.2
Median 10.4 5.0 5.6 65.0 2.1 0.2
Deviation 14.9 8.5 8.5 2.0 25.3 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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