CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20020641048
Observation time: 03/05/2002 64.45040 1048 [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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Selected
Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2002
Fractional day of year 64.450399
Arrival time of shock [seconds of day] 38914.5 ± 220.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] -0.279
Y GSE location of spacecraft [Re] -219.226
Z GSE location of spacecraft [Re] 3.150
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0252
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0222
Minimum chisq/dof for RH8,RH9,RH10 5.28, 5.56, 6.32
Event added to database
Mon Feb 14 11:18:16 2005
Event last processed
Mon Mar 30 22:46:48 2009
Method selected
RH08
Propagation delay to Earth [minutes]
69.329 ± 4.939

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -639.3 ± 5.1 -718.4 ± 9.5
Vy GSE [km/s] 27.6 ± 3.0 7.9 ± 2.3
Vz GSE [km/s] -26.5 ± 6.6 33.5 ± 7.7
Wi [km/s] 58.3 ± 3.0 87.0 ± 4.1
We [km/s] 1842.4 ± 96.0 2750.1 ± 129.0
Ni [n/cc] 2.4 ± 0.2 3.7 ± 0.1
Bx GSE [nT] -8.7 ± 0.1 -2.6 ± 0.8
By GSE [nT] 2.6 ± 0.2 5.9 ± 0.5
Bz GSE [nT] 3.6 ± 0.4 -1.6 ± 0.8
Plasma Beta
0.184 ± 0.186
1.306 ± 1.247
Sound Speed [km/s]
75.22 ± 3.92
112.27 ± 5.27
Alfven Speed [km/s]
136.52 ± 3.78
76.49 ± 2.86

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.556 ± 0.048 0.824 ± 0.033 -0.109 ± 0.109 -6.28 ± 4.13 124.03 ± 3.35
VC -0.781 ± 0.058 -0.195 ± 0.033 0.593 ± 0.511 36.37 ± 5.72 194.02 ± 2.20
MX1 -0.581 ± 0.067 0.800 ± 0.049 -0.151 ± 0.150 -8.71 ± 4.70 125.98 ± 4.78
MX2 -0.553 ± 0.048 0.827 ± 0.033 -0.103 ± 0.103 -5.93 ± 4.32 123.76 ± 3.32
MX3 -0.460 ± 0.148 0.887 ± 0.077 0.035 ± 0.035 2.00 ± 12.78 117.40 ± 9.57
RH08 -0.372 ± 0.042 0.907 ± 0.020 0.196 ± 0.193 11.28 ± 3.26 112.31 ± 2.67
RH09 -0.372 ± 0.048 0.907 ± 0.023 0.196 ± 0.193 11.28 ± 3.60 112.31 ± 3.00
RH10 -0.372 ± 0.049 0.907 ± 0.023 0.196 ± 0.193 11.28 ± 3.62 112.31 ± 3.07
Average -0.506 0.733 0.106 6.410 127.768
Median -0.460 0.887 0.196 11.276 123.765
Deviation 0.142 0.378 0.246 14.784 27.378

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 47.6 ± 1.9 443.7 ± 14.8 1.55 ± 0.15
VC 30.5 ± 2.0 774.4 ± 49.6 1.55 ± 0.15
MX1 47.6 ± 2.0 459.0 ± 15.2 1.55 ± 0.15
MX2 47.6 ± 1.8 441.4 ± 14.8 1.55 ± 0.15
MX3 48.8 ± 1.4 378.6 ± 14.0 1.55 ± 0.15
RH08 49.9 ± 1.0 327.5 ± 15.5 1.55 ± 0.15
RH09 49.9 ± 1.0 327.5 ± 15.5 1.55 ± 0.15
RH10 49.9 ± 1.0 327.5 ± 15.5 1.55 ± 0.15
Average 46.5 434.9 1.55
Median 48.8 441.4 1.55
Deviation 6.5 148.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 62.4 ± 2.9 46.5 ± 1.8 92.1 ± 2.5 148.8 ± 2.7 1.34 ± 0.10 0.42 ± 0.02
VC 296.0 ± 3.4 61.8 ± 2.7 117.6 ± 3.3 143.1 ± 3.0 4.80 ± 0.22 2.07 ± 0.05
MX1 61.6 ± 3.2 46.5 ± 1.8 92.1 ± 2.5 148.8 ± 2.7 1.33 ± 0.10 0.41 ± 0.02
MX2 62.4 ± 2.9 46.5 ± 1.8 92.1 ± 2.5 148.8 ± 2.7 1.34 ± 0.10 0.42 ± 0.02
MX3 61.0 ± 2.5 45.3 ± 1.8 89.9 ± 2.5 149.2 ± 2.6 1.35 ± 0.08 0.41 ± 0.02
RH8 69.6 ± 2.8 44.2 ± 1.7 88.0 ± 2.4 149.5 ± 2.6 1.58 ± 0.08 0.47 ± 0.02
RH9 69.6 ± 2.8 44.2 ± 1.7 88.0 ± 2.4 149.5 ± 2.6 1.58 ± 0.08 0.47 ± 0.02
RH10 69.6 ± 2.8 44.2 ± 1.7 88.0 ± 2.4 149.5 ± 2.6 1.58 ± 0.08 0.47 ± 0.02
Average 94.0 47.4 93.5 148.4 1.9 0.6
Median 69.6 46.5 92.1 149.2 1.6 0.5
Deviation 81.7 5.9 9.9 2.2 1.2 0.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 41.1 ± 4.0 45.1 ± 1.0 51.6 ± 1.9 128.2 ± 3.8 0.91 ± 0.09 0.32 ± 0.03
VC 194.8 ± 10.0 60.9 ± 1.6 65.9 ± 2.5 121.5 ± 4.2 3.20 ± 0.20 1.60 ± 0.06
MX1 40.5 ± 4.2 45.1 ± 1.0 51.6 ± 1.9 128.2 ± 3.8 0.90 ± 0.09 0.32 ± 0.03
MX2 41.2 ± 4.0 45.1 ± 1.0 51.6 ± 1.9 128.2 ± 3.8 0.91 ± 0.09 0.32 ± 0.03
MX3 40.0 ± 3.5 43.9 ± 1.0 50.4 ± 1.9 128.6 ± 3.8 0.91 ± 0.08 0.31 ± 0.02
RH8 46.3 ± 3.6 42.9 ± 0.9 49.3 ± 1.8 129.0 ± 3.8 1.08 ± 0.08 0.36 ± 0.02
RH9 46.3 ± 3.6 42.9 ± 0.9 49.3 ± 1.8 129.0 ± 3.8 1.08 ± 0.08 0.36 ± 0.02
RH10 46.3 ± 3.6 42.9 ± 0.9 49.3 ± 1.8 129.0 ± 3.8 1.08 ± 0.08 0.36 ± 0.02
Average 62.1 46.1 52.4 127.7 1.3 0.5
Median 46.3 45.1 51.6 128.6 1.1 0.4
Deviation 53.7 6.1 5.6 2.5 0.8 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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