CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20132750115
Observation time: 10/02/2013 275.05266 0115 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
Key parameters
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 2013
Fractional day of year 275.052656
Arrival time of shock [seconds of day] 4549.5 ± 70.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 252.926
Y GSE location of spacecraft [Re] 58.424
Z GSE location of spacecraft [Re] 15.155
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0279
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0216
Minimum chisq/dof for RH8,RH9,RH10 6.95, 9.30, 9.97
Event added to database
Tue Jun 10 23:28:22 2014
Event last processed
Wed Jun 11 02:21:40 2014
Method selected
RH08
Propagation delay to Earth [minutes]
39.417 ± 0.740

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -374.0 ± 4.4 -564.9 ± 9.1
Vy GSE [km/s] 22.5 ± 5.4 35.2 ± 9.8
Vz GSE [km/s] -8.8 ± 8.4 13.0 ± 13.4
Wi [km/s] 46.2 ± 2.6 130.2 ± 20.2
We [km/s] 1461.7 ± 83.3 4118.6 ± 638.8
Ni [n/cc] 6.5 ± 0.3 20.0 ± 1.4
Bx GSE [nT] 4.5 ± 0.5 0.5 ± 2.8
By GSE [nT] -3.2 ± 0.8 -8.9 ± 2.0
Bz GSE [nT] -0.7 ± 0.6 -2.7 ± 2.1
Plasma Beta
0.921 ± 0.928
8.085 ± 6.548
Sound Speed [km/s]
59.67 ± 3.40
168.14 ± 26.08
Alfven Speed [km/s]
48.34 ± 2.74
48.52 ± 9.07

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.829 ± 0.175 0.539 ± 0.267 0.146 ± 0.145 8.41 ± 9.52 146.96 ± 18.45
VC -0.991 ± 0.010 0.067 ± 0.057 0.113 ± 0.112 6.48 ± 4.46 176.11 ± 3.30
MX1 -0.833 ± 0.200 0.539 ± 0.309 0.125 ± 0.125 7.20 ± 6.60 147.09 ± 21.23
MX2 -0.841 ± 0.159 0.480 ± 0.275 0.249 ± 0.244 14.41 ± 7.21 150.32 ± 18.67
MX3 -0.841 ± 0.144 0.450 ± 0.256 0.299 ± 0.290 17.41 ± 10.41 151.85 ± 17.33
RH08 -0.988 ± 0.002 0.113 ± 0.009 0.106 ± 0.106 6.09 ± 0.58 173.48 ± 0.55
RH09 -0.988 ± 0.009 0.113 ± 0.057 0.106 ± 0.106 6.09 ± 3.54 173.48 ± 3.30
RH10 -0.988 ± 0.010 0.113 ± 0.065 0.106 ± 0.106 6.09 ± 3.97 173.48 ± 3.77
Average -0.913 0.302 0.156 9.024 161.597
Median -0.841 0.450 0.125 7.204 173.482
Deviation 0.082 0.217 0.075 4.394 13.530

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 9.3 ± 3.7 571.1 ± 1.1 3.13 ± 0.30
VC 31.2 ± 8.2 654.6 ± 1.6 3.13 ± 0.30
MX1 9.3 ± 3.7 573.4 ± 1.1 3.13 ± 0.30
MX2 12.7 ± 3.5 578.4 ± 1.2 3.13 ± 0.30
MX3 15.2 ± 3.7 578.4 ± 1.2 3.13 ± 0.30
RH08 28.6 ± 8.3 654.3 ± 1.5 3.13 ± 0.30
RH09 28.6 ± 8.3 654.3 ± 1.5 3.13 ± 0.30
RH10 28.6 ± 8.3 654.3 ± 12.1 3.13 ± 0.30
Average 20.5 614.8 3.13
Median 28.6 654.3 3.13
Deviation 9.7 42.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 250.2 ± 3.6 46.6 ± 2.5 47.7 ± 2.7 61.1 ± 3.3 5.38 ± 0.33 4.11 ± 0.22
VC 283.4 ± 3.8 36.5 ± 1.8 41.4 ± 2.3 67.6 ± 3.3 7.79 ± 0.44 4.20 ± 0.22
MX1 250.9 ± 3.5 46.6 ± 2.5 47.7 ± 2.7 61.0 ± 3.3 5.40 ± 0.33 4.12 ± 0.23
MX2 255.1 ± 3.7 45.4 ± 2.4 47.1 ± 2.7 62.0 ± 3.2 5.64 ± 0.33 4.13 ± 0.21
MX3 256.3 ± 3.9 44.4 ± 2.3 46.6 ± 2.6 62.7 ± 3.2 5.79 ± 0.34 4.10 ± 0.21
RH8 283.2 ± 3.8 37.8 ± 1.9 42.4 ± 2.4 66.9 ± 3.3 7.50 ± 0.43 4.25 ± 0.23
RH9 283.2 ± 3.8 37.8 ± 1.9 42.4 ± 2.4 66.9 ± 3.3 7.50 ± 0.43 4.25 ± 0.23
RH10 283.2 ± 3.8 37.8 ± 1.9 42.4 ± 2.4 66.9 ± 3.3 7.50 ± 0.43 4.25 ± 0.23
Average 268.2 41.6 44.7 64.4 6.6 4.2
Median 283.2 44.4 46.6 66.9 7.5 4.2
Deviation 16.2 4.5 2.8 2.9 1.1 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 81.8 ± 6.7 47.8 ± 8.9 47.9 ± 9.0 168.4 ± 26.1 1.76 ± 0.31 0.50 ± 0.09
VC 90.8 ± 9.0 41.0 ± 7.5 41.5 ± 7.8 170.2 ± 25.9 2.29 ± 0.53 0.55 ± 0.12
MX1 82.3 ± 6.7 47.8 ± 8.9 47.9 ± 9.0 168.4 ± 26.1 1.77 ± 0.31 0.50 ± 0.09
MX2 82.9 ± 7.0 47.2 ± 8.8 47.3 ± 8.8 168.5 ± 26.0 1.81 ± 0.35 0.50 ± 0.09
MX3 83.4 ± 7.2 46.7 ± 8.7 46.8 ± 8.8 168.7 ± 26.0 1.84 ± 0.37 0.51 ± 0.10
RH8 90.9 ± 8.7 42.1 ± 7.7 42.6 ± 8.0 169.9 ± 25.9 2.23 ± 0.51 0.55 ± 0.12
RH9 90.9 ± 8.7 42.1 ± 7.7 42.6 ± 8.0 169.9 ± 25.9 2.23 ± 0.51 0.55 ± 0.12
RH10 90.9 ± 8.7 42.1 ± 7.7 42.6 ± 8.0 169.9 ± 25.9 2.23 ± 0.51 0.55 ± 0.12
Average 86.7 44.6 44.9 169.2 2.0 0.5
Median 90.8 46.7 46.8 169.9 2.2 0.5
Deviation 4.4 3.0 2.8 0.8 0.2 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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