CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20023241049
Observation time: 11/20/2002 324.45116 1049 [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
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2002
Fractional day of year 324.451163
Arrival time of shock [seconds of day] 38980.5 ± 50.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 95.387
Y GSE location of spacecraft [Re] -16.658
Z GSE location of spacecraft [Re] 2.570
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0245
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0224
Minimum chisq/dof for RH8,RH9,RH10 4.77, 21.32, 21.83
Event added to database
Sat Mar 12 23:37:56 2005
Event last processed
Mon Mar 30 23:55:23 2009
Method selected
RH08
Propagation delay to Earth [minutes]
20.850 ± 0.777

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -361.0 ± 3.9 -388.8 ± 6.0
Vy GSE [km/s] -33.8 ± 4.7 -29.7 ± 12.2
Vz GSE [km/s] -10.4 ± 14.8 4.9 ± 9.1
Wi [km/s] 44.3 ± 2.5 70.3 ± 3.8
We [km/s] 1399.8 ± 78.0 2223.1 ± 119.4
Ni [n/cc] 6.7 ± 0.3 13.3 ± 0.8
Bx GSE [nT] 6.1 ± 0.5 8.5 ± 0.5
By GSE [nT] -6.9 ± 0.9 -9.5 ± 0.9
Bz GSE [nT] -1.3 ± 1.9 -1.5 ± 2.0
Plasma Beta
0.308 ± 0.309
0.829 ± 0.783
Sound Speed [km/s]
57.15 ± 3.19
90.76 ± 4.87
Alfven Speed [km/s]
80.09 ± 1.73
77.60 ± 3.94

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.985 ± 0.135 -0.078 ± 0.992 0.153 ± 0.152 8.83 ± 41.00 184.52 ± 57.70
VC -0.922 ± 0.155 0.088 ± 0.361 0.378 ± 0.359 22.21 ± 22.95 174.57 ± 22.40
MX1 -0.836 ± 0.290 -0.357 ± 0.542 0.417 ± 0.391 24.65 ± 26.50 203.16 ± 36.80
MX2 -0.881 ± 0.276 -0.298 ± 0.559 0.366 ± 0.349 21.49 ± 33.43 198.67 ± 36.09
MX3 -0.916 ± 0.247 -0.285 ± 0.611 0.283 ± 0.275 16.44 ± 33.45 197.30 ± 38.09
RH08 -0.902 ± 0.012 -0.431 ± 0.025 0.028 ± 0.028 1.60 ± 1.50 205.57 ± 1.61
RH09 -0.993 ± 0.008 0.009 ± 0.070 0.117 ± 0.117 6.74 ± 4.01 179.50 ± 4.07
RH10 -0.993 ± 0.008 0.009 ± 0.070 0.117 ± 0.117 6.74 ± 4.01 179.50 ± 4.07
Average -0.928 -0.168 0.233 13.586 190.349
Median -0.916 -0.078 0.283 16.437 197.300
Deviation 0.058 0.197 0.147 8.681 12.140

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 53.3 ± 6.0 418.7 ± 14.0 1.98 ± 0.20
VC 44.6 ± 9.2 389.7 ± 18.5 1.98 ± 0.20
MX1 70.4 ± 9.5 365.6 ± 14.3 1.98 ± 0.20
MX2 66.3 ± 8.9 382.9 ± 14.1 1.98 ± 0.20
MX3 65.1 ± 8.0 396.2 ± 13.4 1.98 ± 0.20
RH08 74.4 ± 5.3 387.6 ± 12.6 1.98 ± 0.20
RH09 48.7 ± 5.3 420.2 ± 14.7 1.98 ± 0.20
RH10 48.7 ± 5.3 420.2 ± 14.7 1.98 ± 0.20
Average 58.9 397.6 1.98
Median 65.1 396.2 1.98
Deviation 11.4 20.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 62.0 ± 5.9 29.1 ± 1.0 47.9 ± 1.0 94.0 ± 1.3 2.14 ± 0.25 0.66 ± 0.07
VC 63.9 ± 8.6 35.5 ± 1.3 57.0 ± 1.2 91.8 ± 1.3 1.81 ± 0.28 0.70 ± 0.10
MX1 56.2 ± 9.6 15.8 ± 0.5 26.8 ± 0.6 97.2 ± 1.4 3.58 ± 0.65 0.58 ± 0.10
MX2 58.4 ± 8.9 19.0 ± 0.6 32.1 ± 0.7 96.6 ± 1.4 3.08 ± 0.51 0.61 ± 0.10
MX3 58.9 ± 7.8 19.9 ± 0.7 33.7 ± 0.7 96.4 ± 1.4 2.96 ± 0.44 0.61 ± 0.09
RH8 47.8 ± 4.6 12.6 ± 0.4 21.5 ± 0.5 97.6 ± 1.5 3.80 ± 0.42 0.49 ± 0.05
RH9 63.2 ± 5.3 32.5 ± 1.2 52.9 ± 1.1 92.9 ± 1.3 1.95 ± 0.21 0.68 ± 0.06
RH10 63.2 ± 5.3 32.5 ± 1.2 52.9 ± 1.1 92.9 ± 1.3 1.95 ± 0.21 0.68 ± 0.06
Average 59.2 24.6 40.6 94.9 2.7 0.6
Median 62.0 29.1 47.9 96.4 3.0 0.7
Deviation 5.4 8.8 13.6 2.3 0.8 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 32.5 ± 5.5 37.0 ± 1.4 46.4 ± 2.4 113.6 ± 4.4 0.88 ± 0.16 0.29 ± 0.05
VC 32.0 ± 6.9 45.3 ± 1.7 55.3 ± 2.8 110.5 ± 4.3 0.71 ± 0.15 0.29 ± 0.06
MX1 28.0 ± 4.6 20.0 ± 0.7 26.0 ± 1.3 117.8 ± 4.5 1.41 ± 0.26 0.24 ± 0.04
MX2 29.5 ± 4.7 24.1 ± 0.9 31.1 ± 1.6 117.0 ± 4.5 1.23 ± 0.21 0.25 ± 0.04
MX3 30.2 ± 4.8 25.3 ± 1.0 32.6 ± 1.7 116.8 ± 4.5 1.20 ± 0.21 0.26 ± 0.04
RH8 24.0 ± 6.0 16.0 ± 0.6 20.9 ± 1.1 118.4 ± 4.5 1.52 ± 0.43 0.20 ± 0.06
RH9 33.7 ± 6.0 41.5 ± 1.6 51.3 ± 2.6 112.0 ± 4.3 0.81 ± 0.15 0.30 ± 0.05
RH10 33.7 ± 6.0 41.5 ± 1.6 51.3 ± 2.6 112.0 ± 4.3 0.81 ± 0.15 0.30 ± 0.05
Average 30.5 31.3 39.3 114.8 1.1 0.3
Median 32.0 37.0 46.4 116.8 1.2 0.3
Deviation 3.3 11.2 13.2 3.1 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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