CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20110350150
Observation time: 02/04/2011 35.07703 0150 [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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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2011
Fractional day of year 35.077031
Arrival time of shock [seconds of day] 6655.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 196.967
Y GSE location of spacecraft [Re] -36.995
Z GSE location of spacecraft [Re] -17.258
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0214
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0176
Minimum chisq/dof for RH8,RH9,RH10 6.03, 15.73, 18.62
Event added to database
Fri Sep 20 08:59:36 2013
Event last processed
Tue Sep 24 09:58:51 2013
Method selected
RH10
Propagation delay to Earth [minutes]
38.454 ± 2.893

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -321.8 ± 6.4 -360.8 ± 2.1
Vy GSE [km/s] 12.8 ± 2.7 1.3 ± 3.6
Vz GSE [km/s] 6.0 ± 1.9 -5.4 ± 2.4
Wi [km/s] 18.7 ± 1.8 25.0 ± 1.1
We [km/s] 590.5 ± 58.5 789.8 ± 35.6
Ni [n/cc] 2.5 ± 0.2 5.4 ± 0.3
Bx GSE [nT] 1.2 ± 0.1 1.8 ± 0.2
By GSE [nT] -0.2 ± 0.2 -0.7 ± 0.5
Bz GSE [nT] -2.2 ± 0.1 -4.2 ± 0.2
Plasma Beta
0.289 ± 0.298
0.324 ± 0.353
Sound Speed [km/s]
24.11 ± 2.39
32.24 ± 1.45
Alfven Speed [km/s]
35.20 ± 1.77
44.02 ± 1.23

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.923 ± 0.275 -0.382 ± 0.664 0.038 ± 0.038 2.17 ± 14.24 202.50 ± 41.21
VC -0.921 ± 0.039 -0.281 ± 0.113 -0.270 ± 0.263 -15.67 ± 4.07 196.95 ± 7.03
MX1 -0.949 ± 0.034 -0.268 ± 0.112 -0.167 ± 0.165 -9.59 ± 4.85 195.75 ± 6.76
MX2 -0.949 ± 0.031 -0.265 ± 0.101 -0.171 ± 0.169 -9.83 ± 4.76 195.61 ± 6.07
MX3 -0.949 ± 0.028 -0.263 ± 0.089 -0.175 ± 0.173 -10.09 ± 4.70 195.49 ± 5.39
RH08 -0.976 ± 0.004 -0.181 ± 0.018 -0.117 ± 0.117 -6.74 ± 0.82 190.53 ± 1.04
RH09 -0.634 ± 0.055 -0.773 ± 0.045 0.028 ± 0.028 1.60 ± 3.15 230.64 ± 4.08
RH10 -0.699 ± 0.049 -0.715 ± 0.048 0.006 ± 0.006 0.32 ± 4.05 225.63 ± 3.94
Average -0.875 -0.391 -0.104 -5.978 204.137
Median -0.923 -0.268 -0.117 -6.737 196.953
Deviation 0.131 0.225 0.114 6.576 15.220

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 63.3 ± 3.1 369.2 ± 1.2 2.12 ± 0.19
VC 79.1 ± 2.8 371.0 ± 1.5 2.12 ± 0.19
MX1 73.0 ± 2.8 380.8 ± 1.4 2.12 ± 0.19
MX2 73.2 ± 2.8 380.8 ± 1.4 2.12 ± 0.19
MX3 73.4 ± 2.8 380.7 ± 1.4 2.12 ± 0.19
RH08 69.2 ± 2.6 389.9 ± 1.5 2.12 ± 0.19
RH09 74.2 ± 3.8 258.8 ± 0.7 2.12 ± 0.19
RH10 73.2 ± 3.7 285.1 ± 4.8 2.12 ± 0.19
Average 72.3 352.0 2.12
Median 73.2 380.7 2.12
Deviation 4.6 50.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 76.8 ± 5.7 9.1 ± 0.5 15.8 ± 0.8 41.8 ± 1.0 8.47 ± 1.03 1.84 ± 0.16
VC 79.8 ± 5.8 3.7 ± 0.2 6.6 ± 0.3 42.6 ± 1.0 21.43 ± 2.51 1.88 ± 0.16
MX1 79.8 ± 6.0 5.9 ± 0.3 10.3 ± 0.5 42.3 ± 1.0 13.69 ± 1.65 1.89 ± 0.16
MX2 79.8 ± 6.0 5.8 ± 0.3 10.2 ± 0.5 42.4 ± 1.0 13.87 ± 1.67 1.89 ± 0.16
MX3 79.8 ± 6.0 5.7 ± 0.3 10.1 ± 0.5 42.4 ± 1.0 14.05 ± 1.69 1.89 ± 0.16
RH8 78.8 ± 6.2 7.1 ± 0.4 12.5 ± 0.6 42.1 ± 1.0 11.09 ± 1.38 1.87 ± 0.17
RH9 64.6 ± 4.0 5.4 ± 0.3 9.6 ± 0.5 42.4 ± 1.0 11.94 ± 1.23 1.52 ± 0.11
RH10 69.2 ± 4.4 5.8 ± 0.3 10.2 ± 0.5 42.4 ± 1.0 12.05 ± 1.26 1.63 ± 0.12
Average 76.1 6.1 10.7 42.3 13.3 1.8
Median 79.8 5.8 10.2 42.4 13.7 1.9
Deviation 5.9 1.5 2.6 0.2 3.8 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 36.7 ± 0.9 12.0 ± 0.3 19.8 ± 0.6 53.3 ± 0.3 3.07 ± 0.09 0.69 ± 0.02
VC 37.5 ± 1.2 4.9 ± 0.1 8.3 ± 0.2 54.4 ± 0.3 7.64 ± 0.13 0.69 ± 0.02
MX1 37.7 ± 1.2 7.7 ± 0.2 12.9 ± 0.4 54.1 ± 0.3 4.91 ± 0.10 0.70 ± 0.02
MX2 37.7 ± 1.2 7.6 ± 0.2 12.7 ± 0.4 54.1 ± 0.3 4.97 ± 0.10 0.70 ± 0.03
MX3 37.7 ± 1.2 7.5 ± 0.2 12.6 ± 0.4 54.1 ± 0.3 5.03 ± 0.10 0.70 ± 0.03
RH8 37.2 ± 1.5 9.4 ± 0.2 15.7 ± 0.4 53.8 ± 0.3 3.97 ± 0.11 0.69 ± 0.03
RH9 31.2 ± 1.6 7.1 ± 0.2 12.0 ± 0.3 54.1 ± 0.3 4.38 ± 0.32 0.58 ± 0.03
RH10 33.7 ± 1.3 7.6 ± 0.2 12.7 ± 0.4 54.1 ± 0.3 4.45 ± 0.26 0.62 ± 0.02
Average 36.2 8.0 13.3 54.0 4.8 0.7
Median 37.5 7.6 12.7 54.1 4.9 0.7
Deviation 2.4 2.0 3.3 0.3 1.3 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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