CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20113050808
Observation time: 11/01/2011 305.33939 0808 [UT]

Wind spacecraft

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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 305.339392
Arrival time of shock [seconds of day] 29323.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 256.875
Y GSE location of spacecraft [Re] 29.329
Z GSE location of spacecraft [Re] 22.327
Upstream plasma points selected for analysis 0002
Upstream field points selected for analysis 0062
Downstream plasma points selected for analysis 0002
Downstream field points selected for analysis 0061
Minimum chisq/dof for RH8,RH9,RH10 -221.90, -177.76, -148.69
Event added to database
Fri Sep 20 13:57:55 2013
Event last processed
Tue Sep 24 10:47:54 2013
Method selected
RH08
Propagation delay to Earth [minutes]
161.340 ± 56.311

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -360.2 ± 0.3 -406.0 ± 1.7
Vy GSE [km/s] 26.9 ± 9.6 36.9 ± 8.5
Vz GSE [km/s] -8.9 ± 1.5 11.3 ± 2.1
Wi [km/s] 14.3 ± 0.5 22.9 ± 3.2
We [km/s] 450.9 ± 15.2 723.4 ± 102.6
Ni [n/cc] 8.8 ± 1.5 16.1 ± 2.6
Bx GSE [nT] -3.2 ± 0.1 -4.7 ± 0.6
By GSE [nT] -1.8 ± 0.4 -4.5 ± 1.8
Bz GSE [nT] -4.0 ± 0.1 -7.5 ± 0.1
Plasma Beta
0.130 ± 0.160
0.186 ± 0.257
Sound Speed [km/s]
18.41 ± 0.62
29.53 ± 4.19
Alfven Speed [km/s]
40.29 ± 5.36
55.08 ± 7.75

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.955 ± 0.166 0.295 ± 0.536 0.023 ± 0.023 1.32 ± 26.04 162.83 ± 32.17
VC -0.901 ± 0.044 0.187 ± 0.190 0.392 ± 0.371 23.08 ± 3.02 168.28 ± 12.07
MX1 -0.952 ± 0.065 0.127 ± 0.118 0.279 ± 0.272 16.21 ± 13.11 172.39 ± 7.06
MX2 -0.948 ± 0.061 0.108 ± 0.107 0.300 ± 0.290 17.44 ± 11.59 173.52 ± 6.43
MX3 -0.944 ± 0.057 0.089 ± 0.100 0.319 ± 0.308 18.60 ± 10.22 174.61 ± 6.09
RH08 -0.196 ± 0.069 -0.415 ± 0.063 -0.888 ± 0.502 -62.66 ± 3.90 244.68 ± 8.85
RH09 -0.196 ± 0.020 -0.415 ± 0.029 -0.888 ± 0.502 -62.66 ± 2.00 244.68 ± 2.00
RH10 -0.189 ± 0.019 -0.419 ± 0.029 -0.888 ± 0.502 -62.66 ± 2.00 245.68 ± 2.00
Average -0.660 -0.055 -0.169 -13.913 198.333
Median -0.901 0.108 0.279 16.214 174.606
Deviation 0.386 0.305 0.605 40.842 38.829

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 62.8 ± 2.3 459.6 ± 22.4 1.87 ± 0.60
VC 79.2 ± 1.4 440.0 ± 22.0 1.87 ± 0.60
MX1 71.3 ± 1.3 456.9 ± 21.2 1.87 ± 0.60
MX2 72.0 ± 1.3 454.7 ± 21.0 1.87 ± 0.60
MX3 72.6 ± 1.2 452.3 ± 20.7 1.87 ± 0.60
RH08 25.4 ± 1.5 40.9 ± 8.8 1.87 ± 0.60
RH09 25.4 ± 1.5 40.9 ± 8.8 1.87 ± 0.60
RH10 25.8 ± 1.5 37.3 ± 15.6 1.87 ± 0.60
Average 54.3 297.8 1.87
Median 71.3 452.3 1.87
Deviation 24.3 213.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 107.8 ± 3.1 7.7 ± 0.1 18.4 ± 2.4 43.6 ± 4.7 13.91 ± 0.29 2.49 ± 0.34
VC 114.0 ± 2.6 3.1 ± 0.0 7.6 ± 1.0 44.2 ± 4.6 36.28 ± 0.66 2.60 ± 0.33
MX1 113.1 ± 1.9 5.4 ± 0.0 12.9 ± 1.7 44.0 ± 4.7 21.00 ± 0.23 2.59 ± 0.32
MX2 113.0 ± 1.8 5.2 ± 0.0 12.5 ± 1.7 44.0 ± 4.6 21.75 ± 0.21 2.58 ± 0.31
MX3 112.8 ± 1.6 5.0 ± 0.0 12.0 ± 1.6 44.0 ± 4.6 22.50 ± 0.19 2.58 ± 0.31
RH8 -26.6 ± 5.2 16.2 ± 0.4 36.4 ± 4.8 41.2 ± 5.1 -1.63 ± 0.28 -0.66 ± 0.21
RH9 -26.6 ± 5.2 16.2 ± 0.4 36.4 ± 4.8 41.2 ± 5.1 -1.63 ± 0.28 -0.66 ± 0.21
RH10 -27.4 ± 5.3 16.2 ± 0.4 36.3 ± 4.8 41.3 ± 5.1 -1.69 ± 0.28 -0.68 ± 0.21
Average 60.0 9.4 21.6 43.0 13.8 1.4
Median 112.8 7.7 18.4 44.0 21.0 2.6
Deviation 72.0 5.8 12.6 1.4 14.2 1.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 60.7 ± 4.0 12.0 ± 1.0 25.2 ± 3.5 61.5 ± 5.1 5.06 ± 0.09 0.99 ± 0.15
VC 63.0 ± 2.2 4.9 ± 0.4 10.3 ± 1.5 62.5 ± 4.9 13.01 ± 0.57 1.01 ± 0.11
MX1 62.7 ± 2.1 8.3 ± 0.7 17.6 ± 2.5 62.2 ± 5.0 7.54 ± 0.36 1.01 ± 0.11
MX2 62.5 ± 1.8 8.0 ± 0.6 17.0 ± 2.4 62.2 ± 5.0 7.80 ± 0.40 1.01 ± 0.11
MX3 62.3 ± 1.6 7.7 ± 0.6 16.4 ± 2.3 62.2 ± 5.0 8.06 ± 0.44 1.01 ± 0.11
RH8 -13.5 ± 1.3 25.7 ± 3.0 49.8 ± 7.0 57.1 ± 6.7 -0.53 ± 0.01 -0.24 ± 0.05
RH9 -13.5 ± 1.3 25.7 ± 3.0 49.8 ± 7.0 57.1 ± 6.7 -0.53 ± 0.01 -0.24 ± 0.05
RH10 -13.9 ± 1.4 25.5 ± 3.0 49.6 ± 7.0 57.1 ± 6.6 -0.55 ± 0.01 -0.25 ± 0.05
Average 33.8 14.7 29.5 60.2 5.0 0.5
Median 62.3 12.0 25.2 62.2 7.5 1.0
Deviation 39.3 9.2 17.2 2.6 5.1 0.6

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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