CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20052972152
Observation time: 10/24/2005 297.91172 2152 [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 2005
Fractional day of year 297.911719
Arrival time of shock [seconds of day] 78772.5 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 198.294
Y GSE location of spacecraft [Re] 41.267
Z GSE location of spacecraft [Re] -13.146
Upstream plasma points selected for analysis 0004
Upstream field points selected for analysis 0138
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0209
Minimum chisq/dof for RH8,RH9,RH10 19.53, 42.16, 44.51
Event added to database
Mon Sep 23 17:57:34 2013
Event last processed
Tue Sep 24 16:59:02 2013
Method selected
RH08
Propagation delay to Earth [minutes]
52.130 ± 31.389

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -321.5 ± 1.4 -329.6 ± 2.0
Vy GSE [km/s] -17.5 ± 0.9 -23.3 ± 1.5
Vz GSE [km/s] -3.9 ± 1.0 -0.4 ± 1.2
Wi [km/s] 20.5 ± 0.5 23.2 ± 0.3
We [km/s] 647.1 ± 14.8 734.9 ± 11.0
Ni [n/cc] 22.0 ± 0.8 30.4 ± 0.4
Bx GSE [nT] -3.5 ± 0.2 -5.6 ± 0.3
By GSE [nT] 3.0 ± 0.2 3.9 ± 0.5
Bz GSE [nT] 3.8 ± 0.4 3.9 ± 0.5
Plasma Beta
0.541 ± 0.534
0.558 ± 0.555
Sound Speed [km/s]
26.42 ± 0.60
30.00 ± 0.45
Alfven Speed [km/s]
27.82 ± 0.17
31.10 ± 0.15

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.752 ± 0.631 -0.589 ± 0.767 -0.295 ± 0.286 -17.17 ± 60.40 218.08 ± 56.56
VC -0.759 ± 0.070 -0.553 ± 0.079 0.344 ± 0.330 20.14 ± 9.37 216.10 ± 5.45
MX1 -0.427 ± 0.175 -0.904 ± 0.083 -0.027 ± 0.027 -1.56 ± 10.66 244.74 ± 11.11
MX2 -0.428 ± 0.181 -0.900 ± 0.088 0.089 ± 0.089 5.10 ± 12.57 244.58 ± 11.49
MX3 -0.402 ± 0.200 -0.859 ± 0.127 0.316 ± 0.305 18.45 ± 17.72 244.93 ± 13.05
RH08 -0.281 ± 0.027 -0.225 ± 0.024 -0.933 ± 0.433 -68.90 ± 1.89 218.61 ± 2.98
RH09 -0.991 ± 0.009 -0.131 ± 0.068 0.039 ± 0.039 2.24 ± 4.06 187.52 ± 3.91
RH10 -0.991 ± 0.009 -0.131 ± 0.068 0.039 ± 0.039 2.24 ± 4.06 187.52 ± 3.91
Average -0.629 -0.536 -0.053 -4.931 220.260
Median -0.428 -0.553 0.039 2.241 218.607
Deviation 0.280 0.338 0.408 28.365 23.809

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 87.7 ± 2.1 283.3 ± 1.5 1.38 ± 0.07
VC 67.4 ± 2.1 288.2 ± 1.6 1.38 ± 0.07
MX1 77.2 ± 2.1 182.9 ± 1.5 1.38 ± 0.07
MX2 81.6 ± 2.2 183.4 ± 1.5 1.38 ± 0.07
MX3 89.9 ± 2.4 174.2 ± 1.5 1.38 ± 0.07
RH08 57.7 ± 3.1 98.7 ± 1.0 1.38 ± 0.07
RH09 57.1 ± 2.2 350.6 ± 1.4 1.38 ± 0.07
RH10 57.1 ± 2.2 350.6 ± 7.0 1.38 ± 0.07
Average 72.0 239.0 1.38
Median 77.2 283.3 1.38
Deviation 13.9 92.1 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 30.1 ± 1.7 0.8 ± 0.0 1.1 ± 0.0 38.4 ± 0.5 39.85 ± 2.55 0.78 ± 0.05
VC 35.9 ± 1.1 7.5 ± 0.1 10.7 ± 0.1 37.6 ± 0.5 4.79 ± 0.19 0.95 ± 0.04
MX1 29.8 ± 1.3 4.3 ± 0.1 6.2 ± 0.0 38.1 ± 0.5 6.96 ± 0.34 0.78 ± 0.04
MX2 30.5 ± 1.2 2.8 ± 0.0 4.1 ± 0.0 38.3 ± 0.5 10.87 ± 0.48 0.80 ± 0.03
MX3 31.2 ± 0.9 0.0 ± 0.0 0.1 ± 0.0 38.4 ± 0.5 812.84 ± 27.77 0.81 ± 0.03
RH8 0.7 ± 1.4 10.6 ± 0.1 14.9 ± 0.1 36.9 ± 0.5 0.06 ± 0.14 0.02 ± 0.04
RH9 29.9 ± 1.4 10.8 ± 0.1 15.1 ± 0.1 36.8 ± 0.5 2.76 ± 0.16 0.81 ± 0.05
RH10 29.9 ± 1.4 10.8 ± 0.1 15.1 ± 0.1 36.8 ± 0.5 2.76 ± 0.16 0.81 ± 0.05
Average 27.3 6.0 8.4 37.7 110.1 0.7
Median 30.1 7.5 10.7 38.1 7.0 0.8
Deviation 10.9 4.6 6.4 0.7 284.2 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 21.6 ± 2.2 0.9 ± 0.0 1.2 ± 0.0 43.2 ± 0.3 25.42 ± 2.66 0.50 ± 0.05
VC 25.4 ± 2.4 8.5 ± 0.1 12.0 ± 0.1 42.4 ± 0.3 3.00 ± 0.29 0.60 ± 0.06
MX1 21.2 ± 2.1 4.8 ± 0.0 6.9 ± 0.0 42.9 ± 0.3 4.39 ± 0.45 0.49 ± 0.05
MX2 21.5 ± 2.1 3.2 ± 0.0 4.5 ± 0.0 43.1 ± 0.3 6.80 ± 0.70 0.50 ± 0.05
MX3 21.8 ± 2.1 0.0 ± 0.0 0.1 ± 0.0 43.2 ± 0.3 505.10 ± 51.88 0.51 ± 0.05
RH8 0.3 ± 1.2 12.0 ± 0.1 16.6 ± 0.1 41.5 ± 0.3 0.03 ± 0.10 0.01 ± 0.03
RH9 21.1 ± 2.1 12.2 ± 0.1 16.9 ± 0.1 41.5 ± 0.3 1.73 ± 0.18 0.51 ± 0.05
RH10 21.1 ± 2.1 12.2 ± 0.1 16.9 ± 0.1 41.5 ± 0.3 1.73 ± 0.18 0.51 ± 0.05
Average 19.3 6.7 9.4 42.4 68.5 0.5
Median 21.5 8.5 12.0 42.9 4.4 0.5
Deviation 7.8 5.2 7.1 0.8 176.6 0.2

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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