CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20133420731
Observation time: 12/08/2013 342.31377 0731 [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
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2013
Fractional day of year 342.313767
Arrival time of shock [seconds of day] 27109.5 ± 60.0
Shock type FR
Electron data availability 0
X GSE location of spacecraft [Re] 213.158
Y GSE location of spacecraft [Re] -97.013
Z GSE location of spacecraft [Re] 4.537
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0280
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0194
Minimum chisq/dof for RH8,RH9,RH10 4.17, 5.78, 6.30
Event added to database
Wed Jun 11 00:01:11 2014
Event last processed
Wed Jun 11 02:35:20 2014
Method selected
RH08
Propagation delay to Earth [minutes]
251.519 ± 2567.297

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -494.5 ± 9.2 -636.8 ± 5.0
Vy GSE [km/s] 32.4 ± 15.7 14.2 ± 12.1
Vz GSE [km/s] -22.7 ± 15.2 -37.1 ± 5.6
Wi [km/s] 98.5 ± 13.5 60.8 ± 2.2
We [km/s] 3115.7 ± 425.4 1921.1 ± 70.6
Ni [n/cc] 5.7 ± 1.3 3.0 ± 0.2
Bx GSE [nT] -0.5 ± 1.5 -2.4 ± 0.7
By GSE [nT] 7.7 ± 1.5 3.5 ± 1.2
Bz GSE [nT] 3.9 ± 1.7 1.4 ± 0.7
Plasma Beta
1.950 ± 1.593
1.105 ± 1.038
Sound Speed [km/s]
127.20 ± 17.37
78.43 ± 2.88
Alfven Speed [km/s]
83.44 ± 23.72
58.56 ± 4.77

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.884 ± 0.205 0.464 ± 0.389 0.056 ± 0.056 3.24 ± 21.84 152.33 ± 25.21
VC -0.988 ± 0.018 -0.122 ± 0.120 -0.099 ± 0.099 -5.69 ± 5.94 187.03 ± 6.98
MX1 -0.961 ± 0.103 0.248 ± 0.392 0.125 ± 0.124 7.15 ± 9.45 165.54 ± 23.38
MX2 -0.958 ± 0.127 0.271 ± 0.446 0.098 ± 0.098 5.65 ± 11.63 164.22 ± 26.67
MX3 -0.960 ± 0.086 0.220 ± 0.342 0.175 ± 0.174 10.10 ± 11.78 167.08 ± 20.41
RH08 -0.041 ± 0.026 0.553 ± 0.025 -0.832 ± 0.545 -56.35 ± 1.73 94.26 ± 2.66
RH09 -0.062 ± 0.071 0.567 ± 0.057 -0.821 ± 0.550 -55.21 ± 3.98 96.27 ± 7.10
RH10 -0.062 ± 0.071 0.567 ± 0.057 -0.821 ± 0.550 -55.21 ± 3.98 96.27 ± 7.10
Average -0.614 0.346 -0.265 -18.288 140.376
Median -0.884 0.464 0.056 3.236 164.224
Deviation 0.464 0.240 0.470 31.221 38.270

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 59.7 ± 13.5 312.1 ± 18.6 0.55 ± 0.16
VC 85.6 ± 13.1 344.4 ± 28.8 0.55 ± 0.16
MX1 69.8 ± 12.3 329.8 ± 22.4 0.55 ± 0.16
MX2 69.3 ± 12.6 328.8 ± 22.3 0.55 ± 0.16
MX3 70.1 ± 11.7 329.2 ± 22.3 0.55 ± 0.16
RH08 81.9 ± 9.0 44.9 ± 5.2 0.55 ± 0.16
RH09 80.8 ± 9.2 53.8 ± 5.3 0.55 ± 0.16
RH10 80.8 ± 9.2 53.8 ± 36.5 0.55 ± 0.16
Average 74.8 224.6 0.55
Median 80.8 328.8 0.55
Deviation 8.8 144.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -138.9 ± 8.5 34.7 ± 5.5 42.1 ± 12.0 150.2 ± 10.8 -4.10 ± 0.70 -0.93 ± 0.06
VC -142.3 ± 9.8 5.1 ± 0.8 6.3 ± 1.8 154.2 ± 10.7 -28.67 ± 5.51 -0.93 ± 0.09
MX1 -150.5 ± 8.7 23.3 ± 3.6 28.7 ± 8.2 152.4 ± 10.7 -6.59 ± 1.12 -0.99 ± 0.07
MX2 -151.3 ± 8.5 24.0 ± 3.8 29.5 ± 8.4 152.3 ± 10.7 -6.45 ± 1.10 -1.00 ± 0.07
MX3 -148.5 ± 9.2 23.0 ± 3.6 28.4 ± 8.1 152.5 ± 10.7 -6.58 ± 1.12 -0.98 ± 0.07
RH8 -12.3 ± 14.3 9.4 ± 1.5 11.7 ± 3.3 154.0 ± 10.7 -1.39 ± 1.62 -0.08 ± 0.10
RH9 -14.0 ± 14.2 10.7 ± 1.7 13.3 ± 3.8 153.9 ± 10.7 -1.39 ± 1.42 -0.09 ± 0.10
RH10 -14.0 ± 14.2 10.7 ± 1.7 13.3 ± 3.8 153.9 ± 10.7 -1.39 ± 1.42 -0.09 ± 0.10
Average -96.5 17.6 21.7 152.9 -7.1 -0.6
Median -138.9 23.0 28.4 153.9 -4.1 -0.9
Deviation 68.9 10.1 12.2 1.3 9.0 0.5

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -255.5 ± 5.4 24.4 ± 1.3 29.5 ± 2.4 94.9 ± 2.3 -10.51 ± 0.60 -2.69 ± 0.10
VC -286.5 ± 6.1 3.6 ± 0.2 4.5 ± 0.4 97.9 ± 2.4 -80.60 ± 2.67 -2.93 ± 0.05
MX1 -280.9 ± 4.1 16.3 ± 0.8 20.2 ± 1.6 96.6 ± 2.4 -17.22 ± 0.82 -2.91 ± 0.08
MX2 -281.2 ± 4.3 16.8 ± 0.9 20.7 ± 1.7 96.5 ± 2.3 -16.76 ± 0.81 -2.91 ± 0.08
MX3 -278.5 ± 3.9 16.2 ± 0.8 19.9 ± 1.6 96.6 ± 2.4 -17.27 ± 0.82 -2.88 ± 0.08
RH8 -20.0 ± 7.4 6.6 ± 0.3 8.2 ± 0.7 97.8 ± 2.4 -3.05 ± 1.13 -0.21 ± 0.08
RH9 -24.4 ± 7.5 7.5 ± 0.4 9.3 ± 0.8 97.7 ± 2.4 -3.26 ± 1.02 -0.25 ± 0.08
RH10 -24.4 ± 7.5 7.5 ± 0.4 9.3 ± 0.8 97.7 ± 2.4 -3.26 ± 1.02 -0.25 ± 0.08
Average -181.4 12.3 15.2 97.0 -19.0 -1.9
Median -255.5 16.2 19.9 97.7 -10.5 -2.7
Deviation 131.6 7.1 8.6 1.0 25.7 1.4

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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