CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20073231722
Observation time: 11/19/2007 323.72370 1722 [UT]

Wind spacecraft

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General information
Asymptotic parameters
Shock front normals
Key parameters
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 2007
Fractional day of year 323.723698
Arrival time of shock [seconds of day] 62527.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 235.451
Y GSE location of spacecraft [Re] 86.651
Z GSE location of spacecraft [Re] 15.500
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0282
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0186
Minimum chisq/dof for RH8,RH9,RH10 4.76, 6.52, 6.69
Event added to database
Tue Sep 24 09:13:39 2013
Event last processed
Tue Sep 24 11:30:20 2013
Method selected
RH08
Propagation delay to Earth [minutes]
53.395 ± 2.120

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -378.2 ± 0.7 -412.7 ± 1.8
Vy GSE [km/s] -7.4 ± 1.9 -3.0 ± 4.0
Vz GSE [km/s] 3.9 ± 1.2 21.3 ± 2.1
Wi [km/s] 26.7 ± 2.2 36.9 ± 1.6
We [km/s] 844.2 ± 69.9 1168.5 ± 50.7
Ni [n/cc] 4.8 ± 0.2 9.4 ± 0.5
Bx GSE [nT] 3.4 ± 0.2 4.4 ± 0.3
By GSE [nT] -0.1 ± 0.1 -0.3 ± 0.9
Bz GSE [nT] 1.3 ± 0.3 4.7 ± 0.3
Plasma Beta
0.542 ± 0.575
0.650 ± 0.694
Sound Speed [km/s]
34.47 ± 2.85
47.70 ± 2.07
Alfven Speed [km/s]
36.41 ± 3.07
46.29 ± 3.23

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.967 ± 0.028 0.029 ± 0.155 0.254 ± 0.248 14.70 ± 6.26 178.27 ± 9.17
VC -0.889 ± 0.021 0.114 ± 0.104 0.444 ± 0.412 26.34 ± 2.11 172.70 ± 6.71
MX1 -0.956 ± 0.024 0.102 ± 0.084 0.277 ± 0.269 16.05 ± 4.64 173.90 ± 5.02
MX2 -0.953 ± 0.023 0.113 ± 0.074 0.281 ± 0.274 16.34 ± 4.37 173.22 ± 4.47
MX3 -0.951 ± 0.023 0.121 ± 0.071 0.285 ± 0.277 16.54 ± 4.21 172.77 ± 4.30
RH08 -0.985 ± 0.003 0.060 ± 0.018 0.162 ± 0.161 9.32 ± 0.82 176.49 ± 1.04
RH09 -0.988 ± 0.011 0.061 ± 0.070 0.140 ± 0.139 8.03 ± 3.97 176.49 ± 4.08
RH10 -0.988 ± 0.011 0.061 ± 0.070 0.140 ± 0.139 8.03 ± 4.02 176.49 ± 4.07
Average -0.960 0.083 0.248 14.418 175.042
Median -0.956 0.102 0.277 16.055 176.490
Deviation 0.033 0.034 0.102 6.102 2.136

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 36.0 ± 3.0 443.2 ± 0.9 1.96 ± 0.13
VC 47.9 ± 3.0 416.3 ± 1.0 1.96 ± 0.13
MX1 37.5 ± 3.0 439.2 ± 0.9 1.96 ± 0.13
MX2 37.9 ± 3.0 438.3 ± 0.9 1.96 ± 0.13
MX3 38.2 ± 3.0 437.6 ± 0.9 1.96 ± 0.13
RH08 30.6 ± 3.0 447.4 ± 0.9 1.96 ± 0.13
RH09 29.4 ± 3.0 448.1 ± 0.9 1.96 ± 0.13
RH10 29.4 ± 3.0 448.1 ± 6.2 1.96 ± 0.13
Average 35.9 439.8 1.96
Median 37.5 443.2 1.96
Deviation 6.2 10.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 76.8 ± 0.8 22.7 ± 1.7 29.5 ± 2.5 44.8 ± 3.4 3.40 ± 0.23 1.72 ± 0.11
VC 79.2 ± 1.0 18.0 ± 1.3 24.4 ± 2.1 46.8 ± 3.5 4.43 ± 0.30 1.70 ± 0.11
MX1 77.5 ± 0.9 22.1 ± 1.6 28.9 ± 2.4 45.1 ± 3.4 3.53 ± 0.24 1.73 ± 0.11
MX2 77.7 ± 0.9 21.9 ± 1.6 28.7 ± 2.4 45.1 ± 3.4 3.56 ± 0.24 1.73 ± 0.11
MX3 77.7 ± 0.9 21.8 ± 1.6 28.6 ± 2.4 45.2 ± 3.4 3.58 ± 0.24 1.73 ± 0.11
RH8 74.7 ± 0.8 24.7 ± 1.8 31.3 ± 2.6 43.7 ± 3.3 3.04 ± 0.20 1.72 ± 0.11
RH9 74.2 ± 0.8 25.2 ± 1.9 31.7 ± 2.7 43.4 ± 3.3 2.96 ± 0.20 1.72 ± 0.11
RH10 74.2 ± 0.8 25.2 ± 1.9 31.7 ± 2.7 43.4 ± 3.3 2.96 ± 0.20 1.72 ± 0.11
Average 76.5 22.7 29.4 44.7 3.4 1.7
Median 77.5 22.7 29.5 45.1 3.5 1.7
Deviation 1.9 2.4 2.4 1.2 0.5 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 38.9 ± 2.2 30.0 ± 1.0 37.5 ± 2.6 59.4 ± 1.6 1.29 ± 0.06 0.65 ± 0.03
VC 40.3 ± 2.3 23.8 ± 0.8 31.1 ± 2.2 62.1 ± 1.7 1.69 ± 0.08 0.65 ± 0.03
MX1 39.3 ± 2.1 29.2 ± 0.9 36.7 ± 2.6 59.8 ± 1.6 1.34 ± 0.06 0.66 ± 0.03
MX2 39.4 ± 2.1 29.0 ± 0.9 36.5 ± 2.6 59.9 ± 1.6 1.36 ± 0.06 0.66 ± 0.03
MX3 39.4 ± 2.1 28.9 ± 0.9 36.4 ± 2.5 59.9 ± 1.6 1.36 ± 0.06 0.66 ± 0.03
RH8 37.7 ± 2.0 32.7 ± 1.1 39.8 ± 2.8 57.9 ± 1.6 1.15 ± 0.05 0.65 ± 0.03
RH9 37.4 ± 1.9 33.4 ± 1.1 40.3 ± 2.8 57.6 ± 1.5 1.12 ± 0.05 0.65 ± 0.03
RH10 37.4 ± 1.9 33.4 ± 1.1 40.3 ± 2.8 57.6 ± 1.5 1.12 ± 0.05 0.65 ± 0.03
Average 38.7 30.1 37.3 59.3 1.3 0.7
Median 39.3 30.0 37.5 59.8 1.3 0.7
Deviation 1.1 3.2 3.1 1.6 0.2 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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