CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19952050223
Observation time: 07/24/1995 205.09950 0223 [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 1995
Fractional day of year 205.099497
Arrival time of shock [seconds of day] 8596.5 ± 9.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 114.774
Y GSE location of spacecraft [Re] 9.418
Z GSE location of spacecraft [Re] -11.280
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0246
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0245
Minimum chisq/dof for RH8,RH9,RH10 5.73, 26.80, 27.28
Event added to database
Mon Feb 14 11:00:48 2005
Event last processed
Wed Mar 25 12:57:39 2009
Method selected
RH08
Propagation delay to Earth [minutes]
29.093 ± 0.658

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -312.8 ± 0.7 -360.4 ± 3.1
Vy GSE [km/s] -13.8 ± 2.5 -49.9 ± 2.4
Vz GSE [km/s] 12.2 ± 1.6 16.7 ± 6.0
Wi [km/s] 15.9 ± 0.7 27.3 ± 1.8
We [km/s] 503.5 ± 20.7 864.0 ± 56.3
Ni [n/cc] 8.8 ± 0.2 25.2 ± 2.1
Bx GSE [nT] -1.8 ± 0.1 -3.2 ± 0.5
By GSE [nT] 0.2 ± 0.2 2.9 ± 0.3
Bz GSE [nT] 0.6 ± 0.1 2.5 ± 0.8
Plasma Beta
1.210 ± 1.272
1.596 ± 1.495
Sound Speed [km/s]
20.56 ± 0.85
35.27 ± 2.30
Alfven Speed [km/s]
14.54 ± 0.84
21.85 ± 1.33

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.894 ± 0.084 -0.443 ± 0.169 0.064 ± 0.064 3.65 ± 8.24 206.36 ± 10.84
VC -0.795 ± 0.038 -0.602 ± 0.050 0.078 ± 0.078 4.46 ± 5.75 217.12 ± 3.57
MX1 -0.854 ± 0.070 -0.503 ± 0.118 0.136 ± 0.136 7.84 ± 3.20 210.48 ± 7.95
MX2 -0.847 ± 0.067 -0.511 ± 0.111 0.148 ± 0.147 8.53 ± 2.73 211.10 ± 7.50
MX3 -0.844 ± 0.066 -0.514 ± 0.108 0.153 ± 0.151 8.78 ± 2.62 211.32 ± 7.36
RH08 -0.884 ± 0.007 -0.442 ± 0.013 0.151 ± 0.150 8.68 ± 0.88 206.57 ± 0.82
RH09 -0.992 ± 0.009 -0.009 ± 0.070 -0.128 ± 0.128 -7.38 ± 4.01 180.50 ± 4.07
RH10 -0.993 ± 0.008 -0.009 ± 0.070 -0.117 ± 0.117 -6.74 ± 4.01 180.50 ± 4.07
Average -0.888 -0.379 0.060 3.476 202.995
Median -0.854 -0.443 0.136 7.838 210.485
Deviation 0.071 0.234 0.118 6.792 14.276

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 35.8 ± 7.1 377.8 ± 6.7 2.80 ± 0.19
VC 45.1 ± 7.1 350.8 ± 6.4 2.80 ± 0.19
MX1 37.7 ± 7.0 367.4 ± 6.2 2.80 ± 0.19
MX2 38.0 ± 7.0 365.4 ± 6.2 2.80 ± 0.19
MX3 38.2 ± 7.0 364.7 ± 6.1 2.80 ± 0.19
RH08 33.8 ± 7.0 375.2 ± 6.2 2.80 ± 0.19
RH09 28.1 ± 4.3 383.9 ± 7.8 2.80 ± 0.19
RH10 27.5 ± 4.3 384.5 ± 7.7 2.80 ± 0.19
Average 35.5 371.2 2.80
Median 37.7 375.2 2.80
Deviation 5.8 11.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 91.2 ± 1.1 10.6 ± 0.5 11.8 ± 0.7 22.8 ± 0.8 8.61 ± 0.46 4.00 ± 0.15
VC 92.9 ± 1.5 9.0 ± 0.4 10.3 ± 0.6 23.5 ± 0.8 10.39 ± 0.56 3.95 ± 0.15
MX1 91.7 ± 1.2 10.3 ± 0.5 11.5 ± 0.7 23.0 ± 0.8 8.94 ± 0.48 3.99 ± 0.15
MX2 91.6 ± 1.2 10.2 ± 0.5 11.5 ± 0.7 23.0 ± 0.8 8.98 ± 0.48 3.98 ± 0.15
MX3 91.6 ± 1.2 10.2 ± 0.5 11.4 ± 0.7 23.0 ± 0.8 9.00 ± 0.48 3.98 ± 0.15
RH8 90.7 ± 1.1 10.9 ± 0.5 12.1 ± 0.7 22.7 ± 0.8 8.31 ± 0.44 4.00 ± 0.15
RH9 75.1 ± 0.7 11.9 ± 0.6 12.8 ± 0.7 22.2 ± 0.8 6.34 ± 0.31 3.38 ± 0.12
RH10 75.2 ± 0.7 12.0 ± 0.6 12.9 ± 0.7 22.2 ± 0.8 6.30 ± 0.31 3.39 ± 0.12
Average 87.5 10.6 11.8 22.8 8.4 3.8
Median 91.6 10.6 11.8 23.0 8.9 4.0
Deviation 7.7 1.0 0.8 0.5 1.4 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 32.3 ± 2.1 16.4 ± 0.7 17.7 ± 1.1 38.2 ± 1.9 1.98 ± 0.17 0.85 ± 0.05
VC 33.0 ± 1.8 13.9 ± 0.6 15.4 ± 0.9 39.1 ± 1.8 2.38 ± 0.17 0.84 ± 0.04
MX1 32.3 ± 1.7 15.9 ± 0.7 17.3 ± 1.0 38.4 ± 1.9 2.04 ± 0.16 0.84 ± 0.05
MX2 32.2 ± 1.7 15.8 ± 0.7 17.2 ± 1.0 38.4 ± 1.9 2.04 ± 0.15 0.84 ± 0.05
MX3 32.2 ± 1.6 15.7 ± 0.7 17.2 ± 1.0 38.4 ± 1.9 2.05 ± 0.15 0.84 ± 0.05
RH8 31.9 ± 1.8 16.8 ± 0.8 18.1 ± 1.1 38.0 ± 1.9 1.90 ± 0.16 0.84 ± 0.05
RH9 28.1 ± 3.7 18.2 ± 0.9 19.3 ± 1.2 37.3 ± 2.0 1.55 ± 0.23 0.75 ± 0.08
RH10 28.1 ± 3.6 18.3 ± 0.9 19.4 ± 1.2 37.2 ± 2.0 1.54 ± 0.23 0.75 ± 0.08
Average 31.3 16.4 17.7 38.1 1.9 0.8
Median 32.2 16.4 17.7 38.4 2.0 0.8
Deviation 2.0 1.4 1.3 0.6 0.3 0.0

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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