CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20090620504
Observation time: 03/03/2009 62.21161 0504 [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 2009
Fractional day of year 62.211615
Arrival time of shock [seconds of day] 18283.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 196.853
Y GSE location of spacecraft [Re] -9.536
Z GSE location of spacecraft [Re] -20.218
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0150
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0143
Minimum chisq/dof for RH8,RH9,RH10 16.95, 41.20, 95.56
Event added to database
Wed Sep 25 09:51:18 2013
Event last processed
Wed Sep 25 10:40:22 2013
Method selected
RH08
Propagation delay to Earth [minutes]
44.892 ± 33.622

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -317.6 ± 0.5 -343.1 ± 0.4
Vy GSE [km/s] 5.0 ± 0.4 -0.2 ± 0.5
Vz GSE [km/s] -15.3 ± 0.3 -5.4 ± 0.5
Wi [km/s] 13.1 ± 0.1 17.4 ± 0.4
We [km/s] 414.9 ± 4.0 551.7 ± 12.6
Ni [n/cc] 8.7 ± 0.3 16.0 ± 0.7
Bx GSE [nT] 0.7 ± 0.0 1.1 ± 0.1
By GSE [nT] -2.2 ± 0.1 -3.8 ± 0.0
Bz GSE [nT] 0.4 ± 0.1 0.1 ± 0.1
Plasma Beta
0.577 ± 0.549
0.657 ± 0.666
Sound Speed [km/s]
16.94 ± 0.16
22.52 ± 0.51
Alfven Speed [km/s]
17.33 ± 0.78
21.54 ± 0.29

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.785 ± 0.640 0.055 ± 0.547 -0.617 ± 0.523 -38.10 ± 59.51 175.97 ± 39.79
VC -0.915 ± 0.007 -0.187 ± 0.016 0.356 ± 0.341 20.88 ± 1.09 191.52 ± 1.03
MX1 -0.881 ± 0.021 -0.288 ± 0.059 0.374 ± 0.356 21.97 ± 1.12 198.11 ± 3.85
MX2 -0.888 ± 0.020 -0.287 ± 0.058 0.359 ± 0.343 21.06 ± 1.08 197.89 ± 3.76
MX3 -0.896 ± 0.020 -0.285 ± 0.057 0.340 ± 0.326 19.87 ± 1.31 197.62 ± 3.67
RH08 -0.354 ± 0.016 0.066 ± 0.011 -0.933 ± 0.433 -68.90 ± 0.99 169.47 ± 1.72
RH09 -0.163 ± 0.054 -0.199 ± 0.055 0.966 ± 0.337 75.12 ± 3.29 230.64 ± 11.92
RH10 -0.152 ± 0.071 -0.207 ± 0.070 0.966 ± 0.337 75.12 ± 4.11 233.65 ± 15.88
Average -0.629 -0.166 0.227 15.878 199.359
Median -0.785 -0.199 0.359 21.057 197.894
Deviation 0.344 0.146 0.678 49.607 22.876

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 66.3 ± 1.8 289.0 ± 0.3 1.84 ± 0.04
VC 86.8 ± 1.2 346.2 ± 0.7 1.84 ± 0.04
MX1 86.9 ± 1.2 334.0 ± 0.7 1.84 ± 0.04
MX2 87.3 ± 1.2 336.4 ± 0.7 1.84 ± 0.04
MX3 87.7 ± 1.2 339.4 ± 0.7 1.84 ± 0.04
RH08 70.8 ± 2.3 125.7 ± 0.2 1.84 ± 0.04
RH09 72.8 ± 2.3 68.7 ± 0.5 1.84 ± 0.04
RH10 72.2 ± 2.3 64.8 ± 2.0 1.84 ± 0.04
Average 78.9 238.0 1.84
Median 86.8 334.0 1.84
Deviation 9.1 128.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 29.9 ± 0.5 5.0 ± 0.1 7.0 ± 0.3 23.7 ± 0.5 6.02 ± 0.07 1.26 ± 0.01
VC 61.8 ± 0.5 0.7 ± 0.0 1.0 ± 0.0 24.2 ± 0.5 92.54 ± 1.72 2.55 ± 0.05
MX1 61.3 ± 0.5 0.6 ± 0.0 0.9 ± 0.0 24.2 ± 0.5 94.64 ± 1.80 2.53 ± 0.05
MX2 61.3 ± 0.5 0.6 ± 0.0 0.8 ± 0.0 24.2 ± 0.5 106.75 ± 2.02 2.53 ± 0.05
MX3 61.3 ± 0.5 0.5 ± 0.0 0.7 ± 0.0 24.2 ± 0.5 127.86 ± 2.40 2.53 ± 0.05
RH8 -1.3 ± 0.4 4.0 ± 0.1 5.7 ± 0.3 23.9 ± 0.5 -0.32 ± 0.10 -0.05 ± 0.02
RH9 32.8 ± 0.3 3.6 ± 0.1 5.1 ± 0.2 24.0 ± 0.5 9.10 ± 0.25 1.37 ± 0.04
RH10 32.3 ± 0.3 3.8 ± 0.1 5.3 ± 0.2 23.9 ± 0.5 8.62 ± 0.23 1.35 ± 0.04
Average 42.4 2.3 3.3 24.1 55.7 1.8
Median 61.3 3.6 5.1 24.2 92.5 2.5
Deviation 23.0 1.9 2.7 0.2 54.4 0.9

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 16.3 ± 0.4 6.4 ± 0.1 8.7 ± 0.1 30.5 ± 0.4 2.55 ± 0.09 0.53 ± 0.02
VC 33.9 ± 0.5 0.9 ± 0.0 1.2 ± 0.0 31.2 ± 0.4 39.51 ± 1.03 1.09 ± 0.03
MX1 33.6 ± 0.6 0.8 ± 0.0 1.2 ± 0.0 31.2 ± 0.4 40.31 ± 1.09 1.08 ± 0.03
MX2 33.6 ± 0.6 0.7 ± 0.0 1.0 ± 0.0 31.2 ± 0.4 45.46 ± 1.24 1.08 ± 0.03
MX3 33.6 ± 0.6 0.6 ± 0.0 0.9 ± 0.0 31.2 ± 0.4 54.44 ± 1.48 1.08 ± 0.03
RH8 -0.7 ± 0.4 5.2 ± 0.1 7.1 ± 0.1 30.7 ± 0.4 -0.14 ± 0.08 -0.02 ± 0.01
RH9 18.1 ± 0.5 4.6 ± 0.1 6.4 ± 0.1 30.8 ± 0.4 3.89 ± 0.12 0.59 ± 0.02
RH10 17.8 ± 0.5 4.8 ± 0.1 6.6 ± 0.1 30.8 ± 0.4 3.68 ± 0.11 0.58 ± 0.02
Average 23.3 3.0 4.1 30.9 23.7 0.7
Median 33.6 4.6 6.4 31.2 39.5 1.1
Deviation 12.6 2.5 3.3 0.3 23.2 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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