CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20001950943
Observation time: 07/13/2000 195.40543 0943 [UT]

Wind spacecraft

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Asymptotic parameters
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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 2000
Fractional day of year 195.405434
Arrival time of shock [seconds of day] 35029.5 ± 10.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] -6.567
Y GSE location of spacecraft [Re] -57.775
Z GSE location of spacecraft [Re] -5.416
Upstream plasma points selected for analysis 0011
Upstream field points selected for analysis 0338
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0227
Minimum chisq/dof for RH8,RH9,RH10 4.65, 17.07, 17.49
Event added to database
Mon Feb 14 11:09:44 2005
Event last processed
Mon Mar 30 19:26:11 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-1.422 ± 0.124

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -508.2 ± 2.9 -586.7 ± 10.0
Vy GSE [km/s] 30.3 ± 3.2 11.0 ± 9.6
Vz GSE [km/s] -1.7 ± 3.6 21.5 ± 5.6
Wi [km/s] 54.7 ± 1.5 92.2 ± 4.8
We [km/s] 1730.9 ± 46.2 2916.5 ± 152.5
Ni [n/cc] 4.2 ± 0.3 10.4 ± 0.6
Bx GSE [nT] -3.4 ± 0.3 -5.2 ± 0.5
By GSE [nT] 1.3 ± 0.9 8.6 ± 1.9
Bz GSE [nT] 4.7 ± 0.5 -0.1 ± 2.4
Plasma Beta
0.745 ± 0.707
1.871 ± 1.878
Sound Speed [km/s]
70.66 ± 1.89
119.07 ± 6.23
Alfven Speed [km/s]
63.93 ± 3.94
70.15 ± 10.61

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.633 ± 0.125 0.283 ± 0.137 0.720 ± 0.558 46.09 ± 9.64 155.89 ± 11.55
VC -0.933 ± 0.035 -0.230 ± 0.104 0.278 ± 0.270 16.12 ± 5.00 193.85 ± 6.40
MX1 -0.973 ± 0.147 -0.205 ± 0.623 0.106 ± 0.106 6.09 ± 36.46 191.90 ± 36.68
MX2 -0.968 ± 0.018 -0.085 ± 0.105 0.235 ± 0.230 13.57 ± 3.77 185.04 ± 6.20
MX3 -0.973 ± 0.019 -0.123 ± 0.075 0.195 ± 0.192 11.23 ± 4.73 187.19 ± 4.40
RH08 -0.996 ± 0.002 -0.044 ± 0.009 0.084 ± 0.084 4.81 ± 1.02 182.51 ± 0.53
RH09 -0.990 ± 0.010 -0.061 ± 0.070 0.128 ± 0.128 7.38 ± 4.01 183.51 ± 4.07
RH10 -0.990 ± 0.010 -0.061 ± 0.070 0.128 ± 0.128 7.38 ± 4.01 183.51 ± 4.07
Average -0.932 -0.066 0.234 14.085 182.925
Median -0.973 -0.061 0.195 11.234 185.045
Deviation 0.122 0.157 0.207 13.506 11.677

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 9.4 ± 6.5 433.1 ± 12.6 2.44 ± 0.24
VC 46.0 ± 3.8 610.6 ± 13.4 2.44 ± 0.24
MX1 54.0 ± 3.1 629.3 ± 13.8 2.44 ± 0.24
MX2 44.7 ± 2.7 629.6 ± 13.6 2.44 ± 0.24
MX3 47.6 ± 2.8 632.4 ± 13.7 2.44 ± 0.24
RH08 51.9 ± 2.6 641.4 ± 13.9 2.44 ± 0.24
RH09 49.8 ± 2.6 639.8 ± 13.8 2.44 ± 0.24
RH10 49.8 ± 2.6 639.8 ± 13.8 2.44 ± 0.24
Average 44.2 607.0 2.44
Median 49.8 632.4 2.44
Deviation 14.4 71.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 104.0 ± 3.3 60.3 ± 2.7 63.1 ± 3.9 73.9 ± 1.2 1.73 ± 0.08 1.41 ± 0.06
VC 144.1 ± 3.4 35.4 ± 1.1 44.4 ± 2.7 88.6 ± 1.7 4.08 ± 0.17 1.63 ± 0.06
MX1 141.2 ± 3.3 29.2 ± 0.9 37.6 ± 2.3 90.8 ± 1.8 4.84 ± 0.21 1.56 ± 0.06
MX2 140.5 ± 3.2 36.4 ± 1.1 45.5 ± 2.8 88.1 ± 1.7 3.87 ± 0.16 1.60 ± 0.06
MX3 141.9 ± 3.2 34.2 ± 1.0 43.1 ± 2.7 89.0 ± 1.8 4.16 ± 0.17 1.59 ± 0.06
RH8 137.0 ± 3.0 30.8 ± 0.9 39.4 ± 2.4 90.2 ± 1.8 4.45 ± 0.18 1.52 ± 0.05
RH9 138.8 ± 3.1 32.4 ± 1.0 41.2 ± 2.5 89.7 ± 1.8 4.28 ± 0.18 1.55 ± 0.05
RH10 138.8 ± 3.1 32.4 ± 1.0 41.2 ± 2.5 89.7 ± 1.8 4.28 ± 0.18 1.55 ± 0.05
Average 135.8 36.4 44.4 87.5 4.0 1.6
Median 140.5 34.2 43.1 89.7 4.3 1.6
Deviation 13.0 9.9 8.0 5.6 0.9 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 43.1 ± 8.3 68.6 ± 9.9 69.2 ± 10.5 120.0 ± 5.7 0.63 ± 0.08 0.36 ± 0.08
VC 60.0 ± 8.7 43.9 ± 4.7 48.7 ± 7.4 131.4 ± 2.2 1.38 ± 0.23 0.46 ± 0.07
MX1 58.5 ± 9.3 36.5 ± 3.7 41.2 ± 6.2 133.7 ± 1.9 1.61 ± 0.29 0.44 ± 0.07
MX2 57.4 ± 9.3 45.1 ± 4.9 49.9 ± 7.5 131.0 ± 2.2 1.28 ± 0.22 0.44 ± 0.07
MX3 58.6 ± 9.3 42.5 ± 4.5 47.3 ± 7.2 131.9 ± 2.1 1.39 ± 0.24 0.44 ± 0.07
RH8 56.1 ± 9.7 38.5 ± 4.0 43.3 ± 6.5 133.1 ± 2.0 1.46 ± 0.27 0.42 ± 0.08
RH9 57.0 ± 9.6 40.4 ± 4.2 45.3 ± 6.8 132.6 ± 2.0 1.42 ± 0.26 0.43 ± 0.07
RH10 57.0 ± 9.6 40.4 ± 4.2 45.3 ± 6.8 132.6 ± 2.0 1.42 ± 0.26 0.43 ± 0.07
Average 55.9 44.5 48.8 130.8 1.3 0.4
Median 57.4 42.5 47.3 132.6 1.4 0.4
Deviation 5.3 10.1 8.7 4.4 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 Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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