CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20130191900
Observation time: 01/19/2013 19.79182 1900 [UT]

Wind spacecraft

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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 2013
Fractional day of year 19.791823
Arrival time of shock [seconds of day] 68413.5 ± 20.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 195.005
Y GSE location of spacecraft [Re] -17.887
Z GSE location of spacecraft [Re] -16.560
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0236
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0140
Minimum chisq/dof for RH8,RH9,RH10 9.25, 10.30, 11.45
Event added to database
Tue Oct 8 14:43:13 2013
Event last processed
Tue Oct 8 16:37:17 2013
Method selected
RH08
Propagation delay to Earth [minutes]
53.688 ± 10.111

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -423.6 ± 3.5 -424.2 ± 2.0
Vy GSE [km/s] 37.7 ± 3.8 44.4 ± 3.5
Vz GSE [km/s] 13.5 ± 4.6 6.7 ± 2.0
Wi [km/s] 39.1 ± 0.4 25.4 ± 1.6
We [km/s] 1235.2 ± 11.4 804.3 ± 50.6
Ni [n/cc] 9.3 ± 0.8 7.9 ± 0.1
Bx GSE [nT] -0.2 ± 0.5 -4.5 ± 0.3
By GSE [nT] 2.9 ± 0.9 -0.9 ± 0.8
Bz GSE [nT] -3.6 ± 0.6 -4.6 ± 0.2
Plasma Beta
1.373 ± 1.450
0.251 ± 0.257
Sound Speed [km/s]
50.43 ± 0.46
32.84 ± 2.06
Alfven Speed [km/s]
33.81 ± 3.84
50.89 ± 1.01

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.592 ± 0.629 0.495 ± 0.682 -0.635 ± 0.532 -39.45 ± 43.77 140.11 ± 58.69
VC -0.986 ± 0.152 0.094 ± 1.157 -0.139 ± 0.138 -8.01 ± 43.44 174.57 ± 67.25
MX1 -0.987 ± 0.197 0.137 ± 1.296 0.079 ± 0.079 4.55 ± 58.49 172.10 ± 75.20
MX2 -0.826 ± 0.514 0.540 ± 0.766 -0.162 ± 0.161 -9.34 ± 55.61 146.84 ± 52.78
MX3 -0.877 ± 0.457 0.479 ± 0.836 -0.027 ± 0.027 -1.54 ± 54.29 151.36 ± 54.62
RH08 -0.642 ± 0.022 0.494 ± 0.019 0.587 ± 0.508 35.92 ± 2.63 142.40 ± 0.78
RH09 -0.637 ± 0.043 0.473 ± 0.039 0.609 ± 0.519 37.51 ± 4.45 143.40 ± 2.38
RH10 -0.650 ± 0.045 0.483 ± 0.046 0.587 ± 0.508 35.92 ± 4.33 143.40 ± 3.34
Average -0.775 0.399 0.112 6.945 151.772
Median -0.650 0.483 0.079 4.553 146.842
Deviation 0.164 0.177 0.450 27.598 13.742

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 35.5 ± 5.9 214.4 ± 12.1 0.81 ± 0.04
VC 78.2 ± 6.1 405.7 ± 8.1 0.81 ± 0.04
MX1 86.3 ± 4.7 415.2 ± 9.3 0.81 ± 0.04
MX2 60.8 ± 3.8 333.2 ± 14.5 0.81 ± 0.04
MX3 69.5 ± 3.8 362.7 ± 13.9 0.81 ± 0.04
RH08 83.2 ± 6.7 291.3 ± 15.1 0.81 ± 0.04
RH09 81.5 ± 6.7 290.4 ± 14.8 0.81 ± 0.04
RH10 82.9 ± 6.6 294.6 ± 77.6 0.81 ± 0.04
Average 72.2 325.9 0.81
Median 81.5 333.2 0.81
Deviation 17.1 67.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -46.7 ± 3.5 25.0 ± 2.2 27.5 ± 3.1 55.4 ± 1.6 -1.87 ± 0.15 -0.84 ± 0.06
VC -13.5 ± 3.7 5.8 ± 0.4 6.9 ± 0.8 60.5 ± 2.3 -2.35 ± 0.68 -0.22 ± 0.06
MX1 -9.2 ± 3.2 1.8 ± 0.1 2.2 ± 0.2 60.8 ± 2.3 -5.10 ± 1.90 -0.15 ± 0.05
MX2 -34.8 ± 3.1 14.1 ± 1.1 16.5 ± 1.9 59.1 ± 2.1 -2.49 ± 0.27 -0.59 ± 0.05
MX3 -26.5 ± 3.0 9.9 ± 0.8 11.9 ± 1.3 60.0 ± 2.2 -2.68 ± 0.36 -0.44 ± 0.05
RH8 -7.0 ± 3.7 3.3 ± 0.3 4.0 ± 0.5 60.7 ± 2.3 -2.16 ± 1.21 -0.12 ± 0.06
RH9 -5.3 ± 3.7 4.2 ± 0.3 5.0 ± 0.6 60.6 ± 2.3 -1.31 ± 0.95 -0.09 ± 0.06
RH10 -6.8 ± 3.7 3.5 ± 0.3 4.2 ± 0.5 60.7 ± 2.3 -1.99 ± 1.14 -0.11 ± 0.06
Average -18.7 8.4 9.8 59.7 -2.5 -0.3
Median -9.2 5.8 6.9 60.6 -2.2 -0.2
Deviation 15.5 7.8 8.6 1.8 1.1 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -54.7 ± 2.8 24.5 ± 1.2 41.4 ± 0.8 55.4 ± 0.8 -2.23 ± 0.07 -0.99 ± 0.04
VC -15.7 ± 2.1 5.7 ± 0.2 10.4 ± 0.2 60.3 ± 1.0 -2.76 ± 0.35 -0.26 ± 0.03
MX1 -10.2 ± 2.4 1.8 ± 0.1 3.3 ± 0.1 60.6 ± 1.0 -5.70 ± 1.34 -0.17 ± 0.04
MX2 -40.1 ± 3.2 13.8 ± 0.6 24.9 ± 0.5 59.0 ± 1.0 -2.90 ± 0.20 -0.68 ± 0.04
MX3 -30.5 ± 3.1 9.8 ± 0.4 17.8 ± 0.4 59.8 ± 1.0 -3.11 ± 0.29 -0.51 ± 0.05
RH8 -6.7 ± 3.2 3.2 ± 0.1 6.0 ± 0.1 60.5 ± 1.0 -2.06 ± 0.98 -0.11 ± 0.05
RH9 -4.7 ± 3.1 4.1 ± 0.2 7.5 ± 0.1 60.5 ± 1.0 -1.15 ± 0.77 -0.08 ± 0.05
RH10 -6.5 ± 3.2 3.4 ± 0.1 6.3 ± 0.1 60.5 ± 1.0 -1.88 ± 0.93 -0.11 ± 0.05
Average -21.1 8.3 14.7 59.6 -2.7 -0.4
Median -10.2 5.7 10.4 60.5 -2.2 -0.2
Deviation 18.6 7.7 12.9 1.8 1.4 0.3

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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