CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20081490117
Observation time: 05/28/2008 149.05391 0117 [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 2008
Fractional day of year 149.053906
Arrival time of shock [seconds of day] 4657.5 ± 30.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 256.675
Y GSE location of spacecraft [Re] 51.946
Z GSE location of spacecraft [Re] 22.819
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0171
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0201
Minimum chisq/dof for RH8,RH9,RH10 7.90, 16.36, 17.21
Event added to database
Wed Sep 25 11:12:57 2013
Event last processed
Wed Sep 25 17:09:07 2013
Method selected
RH08
Propagation delay to Earth [minutes]
67.109 ± 3.113

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -332.5 ± 1.7 -369.7 ± 3.2
Vy GSE [km/s] -32.6 ± 1.1 -38.0 ± 1.9
Vz GSE [km/s] -10.6 ± 2.8 -29.4 ± 3.3
Wi [km/s] 20.6 ± 0.6 30.8 ± 2.0
We [km/s] 652.6 ± 20.2 975.1 ± 62.8
Ni [n/cc] 10.9 ± 0.7 23.9 ± 1.2
Bx GSE [nT] 1.9 ± 0.6 3.4 ± 0.5
By GSE [nT] -3.0 ± 0.3 -6.6 ± 0.3
Bz GSE [nT] -1.6 ± 0.9 -1.5 ± 1.6
Plasma Beta
0.610 ± 0.579
0.804 ± 0.797
Sound Speed [km/s]
26.64 ± 0.83
39.81 ± 2.56
Alfven Speed [km/s]
26.59 ± 1.50
34.48 ± 1.02

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.996 ± 0.092 -0.022 ± 0.975 -0.092 ± 0.092 -5.28 ± 55.98 181.25 ± 56.12
VC -0.887 ± 0.034 -0.131 ± 0.055 -0.443 ± 0.411 -26.29 ± 4.28 188.39 ± 3.54
MX1 -0.756 ± 0.173 -0.360 ± 0.335 -0.547 ± 0.485 -33.18 ± 7.84 205.46 ± 25.28
MX2 -0.831 ± 0.114 -0.329 ± 0.275 -0.449 ± 0.416 -26.68 ± 4.84 201.58 ± 18.93
MX3 -0.871 ± 0.101 -0.315 ± 0.249 -0.376 ± 0.358 -22.11 ± 7.58 199.85 ± 16.35
RH08 -0.960 ± 0.006 -0.127 ± 0.018 -0.251 ± 0.246 -14.56 ± 1.31 187.52 ± 1.09
RH09 -0.980 ± 0.014 -0.200 ± 0.067 -0.006 ± 0.006 -0.32 ± 4.05 191.53 ± 3.94
RH10 -0.980 ± 0.014 -0.200 ± 0.067 -0.006 ± 0.006 -0.32 ± 4.05 191.53 ± 3.94
Average -0.907 -0.210 -0.271 -16.092 193.389
Median -0.887 -0.200 -0.251 -14.560 191.532
Deviation 0.086 0.117 0.214 12.878 8.177

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 65.4 ± 10.9 403.9 ± 1.0 2.24 ± 0.20
VC 81.8 ± 13.7 382.8 ± 1.1 2.24 ± 0.20
MX1 82.1 ± 13.6 343.3 ± 1.0 2.24 ± 0.20
MX2 87.8 ± 12.8 368.0 ± 1.0 2.24 ± 0.20
MX3 88.8 ± 12.2 380.8 ± 1.0 2.24 ± 0.20
RH08 75.1 ± 12.0 402.4 ± 1.0 2.24 ± 0.20
RH09 72.2 ± 8.7 401.4 ± 0.9 2.24 ± 0.20
RH10 72.2 ± 8.7 401.4 ± 4.9 2.24 ± 0.20
Average 78.2 385.5 2.24
Median 81.8 401.4 2.24
Deviation 8.2 21.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 71.2 ± 1.9 8.0 ± 0.2 11.1 ± 0.6 36.8 ± 0.7 8.91 ± 0.29 1.93 ± 0.07
VC 78.8 ± 2.6 2.7 ± 0.1 3.8 ± 0.2 37.6 ± 0.7 29.19 ± 1.07 2.10 ± 0.08
MX1 74.4 ± 2.5 2.6 ± 0.1 3.6 ± 0.2 37.6 ± 0.7 28.91 ± 1.08 1.98 ± 0.08
MX2 76.2 ± 2.4 0.7 ± 0.0 1.0 ± 0.1 37.7 ± 0.7 107.81 ± 3.84 2.02 ± 0.08
MX3 76.7 ± 2.3 0.4 ± 0.0 0.6 ± 0.0 37.7 ± 0.7 193.34 ± 6.67 2.04 ± 0.07
RH8 76.5 ± 2.2 4.9 ± 0.1 6.8 ± 0.4 37.4 ± 0.7 15.77 ± 0.54 2.05 ± 0.07
RH9 69.0 ± 1.5 5.8 ± 0.1 8.1 ± 0.5 37.2 ± 0.7 11.91 ± 0.37 1.86 ± 0.06
RH10 69.0 ± 1.5 5.8 ± 0.1 8.1 ± 0.5 37.2 ± 0.7 11.91 ± 0.37 1.86 ± 0.06
Average 74.0 3.9 5.4 37.4 51.0 2.0
Median 76.2 4.9 6.8 37.6 28.9 2.0
Deviation 3.8 2.7 3.7 0.3 66.0 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 32.3 ± 3.3 11.1 ± 0.4 14.3 ± 0.4 51.5 ± 2.1 2.91 ± 0.21 0.63 ± 0.04
VC 36.8 ± 3.4 3.7 ± 0.1 4.9 ± 0.1 52.6 ± 2.1 9.83 ± 0.62 0.70 ± 0.04
MX1 34.1 ± 2.8 3.6 ± 0.1 4.7 ± 0.1 52.6 ± 2.1 9.55 ± 0.53 0.65 ± 0.03
MX2 35.1 ± 2.9 1.0 ± 0.0 1.3 ± 0.0 52.7 ± 2.1 35.82 ± 1.90 0.67 ± 0.03
MX3 35.6 ± 2.9 0.5 ± 0.0 0.7 ± 0.0 52.7 ± 2.1 64.58 ± 3.32 0.67 ± 0.03
RH8 35.4 ± 3.2 6.7 ± 0.2 8.8 ± 0.3 52.3 ± 2.1 5.26 ± 0.32 0.68 ± 0.04
RH9 31.4 ± 2.9 8.0 ± 0.3 10.5 ± 0.3 52.1 ± 2.1 3.91 ± 0.24 0.60 ± 0.03
RH10 31.4 ± 2.9 8.0 ± 0.3 10.5 ± 0.3 52.1 ± 2.1 3.91 ± 0.24 0.60 ± 0.03
Average 34.0 5.3 7.0 52.3 17.0 0.6
Median 35.1 6.7 8.8 52.6 9.6 0.7
Deviation 2.1 3.7 4.8 0.4 22.1 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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