CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19960371914
Observation time: 02/06/1996 37.80165 1914 [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 37.801649
Arrival time of shock [seconds of day] 69262.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 159.421
Y GSE location of spacecraft [Re] -36.279
Z GSE location of spacecraft [Re] 14.620
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0196
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0219
Minimum chisq/dof for RH8,RH9,RH10 11.05, 15.97, 16.38
Event added to database
Mon Feb 14 11:02:07 2005
Event last processed
Mon Mar 30 16:05:28 2009
Method selected
RH08
Propagation delay to Earth [minutes]
40.094 ± 3.094

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -345.1 ± 1.4 -362.6 ± 2.6
Vy GSE [km/s] -4.8 ± 0.7 -8.9 ± 1.4
Vz GSE [km/s] -9.4 ± 0.9 8.8 ± 1.3
Wi [km/s] 19.9 ± 0.5 24.3 ± 0.3
We [km/s] 629.5 ± 15.8 768.8 ± 9.4
Ni [n/cc] 7.6 ± 0.3 13.0 ± 0.4
Bx GSE [nT] 3.1 ± 0.2 4.1 ± 0.5
By GSE [nT] 1.0 ± 0.2 1.8 ± 0.4
Bz GSE [nT] 2.1 ± 0.3 3.6 ± 0.5
Plasma Beta
0.416 ± 0.434
0.481 ± 0.483
Sound Speed [km/s]
25.70 ± 0.64
31.39 ± 0.39
Alfven Speed [km/s]
31.01 ± 1.67
35.14 ± 1.57

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.960 ± 0.162 0.211 ± 0.630 0.185 ± 0.183 10.64 ± 26.52 167.62 ± 37.61
VC -0.682 ± 0.079 -0.154 ± 0.047 0.715 ± 0.557 45.65 ± 6.42 192.71 ± 3.62
MX1 -0.763 ± 0.217 -0.182 ± 0.072 0.620 ± 0.525 38.35 ± 20.56 193.39 ± 3.73
MX2 -0.764 ± 0.215 -0.178 ± 0.079 0.621 ± 0.525 38.36 ± 20.29 193.12 ± 4.62
MX3 -0.765 ± 0.209 -0.174 ± 0.115 0.620 ± 0.525 38.29 ± 19.71 192.84 ± 7.81
RH08 -0.963 ± 0.005 -0.093 ± 0.009 0.251 ± 0.246 14.56 ± 1.11 185.52 ± 0.52
RH09 -0.989 ± 0.010 -0.043 ± 0.070 0.140 ± 0.139 8.03 ± 4.02 182.51 ± 4.07
RH10 -0.989 ± 0.010 -0.043 ± 0.070 0.140 ± 0.139 8.03 ± 4.02 182.51 ± 4.07
Average -0.859 -0.082 0.411 25.239 186.277
Median -0.765 -0.093 0.620 38.293 192.711
Deviation 0.127 0.132 0.253 16.260 8.938

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 51.9 ± 3.1 374.7 ± 5.1 1.73 ± 0.11
VC 78.1 ± 5.2 290.3 ± 4.6 1.73 ± 0.11
MX1 70.8 ± 5.2 319.1 ± 4.9 1.73 ± 0.11
MX2 70.8 ± 5.2 319.4 ± 4.9 1.73 ± 0.11
MX3 70.8 ± 5.2 319.9 ± 4.9 1.73 ± 0.11
RH08 48.4 ± 4.6 383.4 ± 5.9 1.73 ± 0.11
RH09 43.0 ± 4.2 388.9 ± 6.0 1.73 ± 0.11
RH10 43.0 ± 4.2 388.9 ± 6.0 1.73 ± 0.11
Average 59.6 348.1 1.73
Median 70.8 374.7 1.73
Deviation 14.4 39.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 46.2 ± 1.2 12.9 ± 0.3 19.1 ± 1.0 38.2 ± 1.2 3.59 ± 0.14 1.21 ± 0.05
VC 61.0 ± 0.9 4.1 ± 0.1 6.4 ± 0.3 40.1 ± 1.2 14.91 ± 0.42 1.52 ± 0.05
MX1 60.8 ± 1.0 6.6 ± 0.1 10.2 ± 0.5 39.7 ± 1.2 9.24 ± 0.27 1.53 ± 0.05
MX2 60.8 ± 1.0 6.6 ± 0.1 10.2 ± 0.5 39.8 ± 1.2 9.25 ± 0.27 1.53 ± 0.05
MX3 60.8 ± 1.0 6.6 ± 0.1 10.2 ± 0.6 39.7 ± 1.2 9.22 ± 0.27 1.53 ± 0.05
RH8 52.9 ± 1.3 14.0 ± 0.3 20.6 ± 1.1 37.8 ± 1.2 3.78 ± 0.14 1.40 ± 0.06
RH9 48.7 ± 1.4 15.7 ± 0.3 22.7 ± 1.2 37.1 ± 1.2 3.10 ± 0.12 1.31 ± 0.06
RH10 48.7 ± 1.4 15.7 ± 0.3 22.7 ± 1.2 37.1 ± 1.2 3.10 ± 0.12 1.31 ± 0.06
Average 55.0 10.3 15.3 38.7 7.0 1.4
Median 60.8 12.9 19.1 39.7 9.2 1.5
Deviation 6.6 4.8 6.6 1.3 4.3 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 26.9 ± 2.1 15.3 ± 0.3 21.7 ± 1.0 44.6 ± 1.1 1.76 ± 0.12 0.60 ± 0.04
VC 35.5 ± 1.7 4.8 ± 0.1 7.2 ± 0.3 46.9 ± 1.1 7.32 ± 0.28 0.76 ± 0.03
MX1 35.5 ± 1.9 7.8 ± 0.2 11.6 ± 0.5 46.5 ± 1.1 4.55 ± 0.20 0.76 ± 0.03
MX2 35.5 ± 1.9 7.8 ± 0.2 11.5 ± 0.5 46.5 ± 1.1 4.55 ± 0.20 0.76 ± 0.03
MX3 35.5 ± 1.9 7.8 ± 0.2 11.6 ± 0.5 46.5 ± 1.1 4.54 ± 0.20 0.76 ± 0.03
RH8 31.1 ± 2.4 16.6 ± 0.3 23.3 ± 1.0 44.1 ± 1.1 1.87 ± 0.13 0.70 ± 0.05
RH9 28.7 ± 2.5 18.6 ± 0.4 25.7 ± 1.1 43.3 ± 1.1 1.54 ± 0.12 0.66 ± 0.05
RH10 28.7 ± 2.5 18.6 ± 0.4 25.7 ± 1.1 43.3 ± 1.1 1.54 ± 0.12 0.66 ± 0.05
Average 32.2 12.2 17.3 45.2 3.5 0.7
Median 35.5 15.3 21.7 46.5 4.5 0.8
Deviation 3.7 5.6 7.5 1.5 2.1 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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