CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20090140018
Observation time: 01/14/2009 14.01293 0018 [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 2009
Fractional day of year 14.012934
Arrival time of shock [seconds of day] 1117.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 227.350
Y GSE location of spacecraft [Re] -93.693
Z GSE location of spacecraft [Re] 9.500
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0213
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0213
Minimum chisq/dof for RH8,RH9,RH10 13.89, 56.63, 68.88
Event added to database
Wed Sep 25 09:32:39 2013
Event last processed
Wed Sep 25 10:32:14 2013
Method selected
RH08
Propagation delay to Earth [minutes]
215.404 ± 117.870

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -303.7 ± 1.1 -337.4 ± 2.3
Vy GSE [km/s] 5.4 ± 0.5 0.2 ± 1.1
Vz GSE [km/s] 14.5 ± 1.0 16.0 ± 2.4
Wi [km/s] 21.2 ± 0.3 28.1 ± 1.2
We [km/s] 671.2 ± 9.5 890.0 ± 37.5
Ni [n/cc] 9.8 ± 0.2 14.5 ± 0.6
Bx GSE [nT] -1.7 ± 0.1 -0.7 ± 0.5
By GSE [nT] -5.2 ± 0.1 -8.6 ± 0.2
Bz GSE [nT] -0.7 ± 0.2 -3.0 ± 0.4
Plasma Beta
0.306 ± 0.309
0.289 ± 0.275
Sound Speed [km/s]
27.40 ± 0.39
36.33 ± 1.53
Alfven Speed [km/s]
38.43 ± 0.84
52.39 ± 1.11

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.745 ± 0.076 -0.507 ± 0.095 0.435 ± 0.405 25.76 ± 7.10 214.24 ± 6.95
VC -0.987 ± 0.006 -0.152 ± 0.034 0.045 ± 0.045 2.57 ± 3.89 188.72 ± 1.95
MX1 -0.959 ± 0.029 -0.283 ± 0.097 0.023 ± 0.023 1.34 ± 3.74 196.47 ± 5.77
MX2 -0.963 ± 0.023 -0.268 ± 0.084 0.000 ± 0.000 0.03 ± 4.26 195.54 ± 5.00
MX3 -0.967 ± 0.019 -0.252 ± 0.072 -0.023 ± 0.023 -1.34 ± 5.06 194.59 ± 4.29
RH08 -0.206 ± 0.013 0.456 ± 0.006 -0.866 ± 0.524 -59.99 ± 0.00 114.32 ± 1.59
RH09 -0.713 ± 0.044 0.185 ± 0.065 -0.676 ± 0.547 -42.53 ± 3.61 165.46 ± 5.16
RH10 -0.867 ± 0.035 -0.038 ± 0.070 -0.497 ± 0.451 -29.82 ± 4.03 182.51 ± 4.65
Average -0.801 -0.107 -0.195 -12.996 181.481
Median -0.867 -0.152 0.000 0.026 194.589
Deviation 0.263 0.304 0.438 28.333 30.445

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 49.7 ± 2.0 318.0 ± 1.4 1.50 ± 0.05
VC 64.3 ± 0.9 404.7 ± 1.3 1.50 ± 0.05
MX1 56.5 ± 0.9 394.0 ± 1.3 1.50 ± 0.05
MX2 57.2 ± 0.9 395.2 ± 1.3 1.50 ± 0.05
MX3 57.9 ± 0.8 396.1 ± 1.3 1.50 ± 0.05
RH08 75.1 ± 2.2 62.3 ± 0.9 1.50 ± 0.05
RH09 82.8 ± 1.4 275.1 ± 0.8 1.50 ± 0.05
RH10 68.9 ± 1.0 343.3 ± 6.3 1.50 ± 0.05
Average 64.0 323.6 1.50
Median 64.3 394.0 1.50
Deviation 11.0 115.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 88.3 ± 1.1 15.2 ± 0.1 24.9 ± 0.5 44.7 ± 0.5 5.80 ± 0.07 1.98 ± 0.04
VC 104.9 ± 1.1 9.9 ± 0.0 16.7 ± 0.4 46.2 ± 0.5 10.60 ± 0.11 2.27 ± 0.04
MX1 104.0 ± 1.0 12.8 ± 0.1 21.2 ± 0.5 45.4 ± 0.5 8.12 ± 0.08 2.29 ± 0.04
MX2 104.0 ± 1.0 12.5 ± 0.1 20.8 ± 0.5 45.5 ± 0.5 8.29 ± 0.08 2.29 ± 0.04
MX3 103.9 ± 1.0 12.3 ± 0.1 20.4 ± 0.4 45.6 ± 0.5 8.47 ± 0.08 2.28 ± 0.04
RH8 9.8 ± 0.8 5.8 ± 0.0 9.9 ± 0.2 46.8 ± 0.5 1.69 ± 0.15 0.21 ± 0.02
RH9 67.2 ± 0.7 2.8 ± 0.0 4.8 ± 0.1 47.1 ± 0.5 23.88 ± 0.29 1.43 ± 0.03
RH10 87.5 ± 0.8 8.1 ± 0.0 13.8 ± 0.3 46.5 ± 0.5 10.74 ± 0.10 1.88 ± 0.03
Average 83.7 9.9 16.6 46.0 9.7 1.8
Median 103.9 12.3 20.4 46.2 8.5 2.3
Deviation 32.6 4.1 6.7 0.8 6.4 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 60.0 ± 2.2 20.4 ± 0.7 33.9 ± 0.7 60.4 ± 1.3 2.95 ± 0.17 0.99 ± 0.04
VC 70.8 ± 2.3 13.2 ± 0.4 22.7 ± 0.5 62.4 ± 1.3 5.36 ± 0.25 1.14 ± 0.04
MX1 70.2 ± 2.3 17.1 ± 0.5 28.9 ± 0.6 61.4 ± 1.3 4.11 ± 0.20 1.14 ± 0.04
MX2 70.2 ± 2.3 16.8 ± 0.5 28.4 ± 0.6 61.5 ± 1.3 4.19 ± 0.20 1.14 ± 0.04
MX3 70.1 ± 2.3 16.4 ± 0.5 27.8 ± 0.6 61.6 ± 1.3 4.28 ± 0.20 1.14 ± 0.04
RH8 6.6 ± 2.2 7.8 ± 0.2 13.5 ± 0.3 63.3 ± 1.4 0.84 ± 0.26 0.10 ± 0.03
RH9 45.2 ± 2.3 3.8 ± 0.1 6.6 ± 0.1 63.7 ± 1.4 12.00 ± 0.54 0.71 ± 0.03
RH10 58.8 ± 2.3 10.9 ± 0.3 18.8 ± 0.4 62.8 ± 1.3 5.40 ± 0.23 0.94 ± 0.03
Average 56.5 13.3 22.6 62.1 4.9 0.9
Median 70.1 16.4 27.8 62.4 4.3 1.1
Deviation 22.1 5.5 9.1 1.1 3.2 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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