CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20132682022
Observation time: 09/25/2013 268.84908 2022 [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 268.849080
Arrival time of shock [seconds of day] 73360.5 ± 10.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 246.611
Y GSE location of spacecraft [Re] 73.938
Z GSE location of spacecraft [Re] 12.098
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0165
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0112
Minimum chisq/dof for RH8,RH9,RH10 11.20, 16.23, 21.05
Event added to database
Tue Jun 10 23:20:52 2014
Event last processed
Wed Jun 11 02:15:01 2014
Method selected
RH08
Propagation delay to Earth [minutes]
77.926 ± 23.920

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -369.5 ± 2.2 -382.6 ± 0.7
Vy GSE [km/s] 8.4 ± 3.2 5.7 ± 1.0
Vz GSE [km/s] -14.1 ± 1.9 1.1 ± 0.9
Wi [km/s] 27.7 ± 1.1 17.1 ± 0.2
We [km/s] 874.4 ± 34.5 540.0 ± 6.1
Ni [n/cc] 4.9 ± 0.3 3.2 ± 0.0
Bx GSE [nT] 0.9 ± 0.3 -2.6 ± 0.1
By GSE [nT] -1.7 ± 0.3 -0.8 ± 0.1
Bz GSE [nT] 1.1 ± 0.6 2.9 ± 0.1
Plasma Beta
1.569 ± 1.450
0.126 ± 0.124
Sound Speed [km/s]
35.70 ± 1.41
22.05 ± 0.25
Alfven Speed [km/s]
22.90 ± 3.33
48.18 ± 0.93

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.134 ± 0.066 0.726 ± 0.090 -0.675 ± 0.547 -42.43 ± 7.67 100.49 ± 5.03
VC -0.655 ± 0.057 -0.116 ± 0.130 0.746 ± 0.561 48.28 ± 4.08 190.00 ± 11.31
MX1 -0.136 ± 0.055 0.722 ± 0.097 -0.678 ± 0.548 -42.68 ± 8.26 100.70 ± 4.12
MX2 -0.828 ± 0.549 -0.466 ± 0.952 -0.312 ± 0.301 -18.17 ± 27.05 209.35 ± 65.70
MX3 -0.232 ± 0.187 0.639 ± 0.205 -0.733 ± 0.560 -47.16 ± 16.19 109.93 ± 15.56
RH08 -0.487 ± 0.033 -0.265 ± 0.039 -0.832 ± 0.545 -56.35 ± 2.07 208.58 ± 4.21
RH09 -0.495 ± 0.055 -0.342 ± 0.059 -0.799 ± 0.557 -53.02 ± 3.67 214.60 ± 6.00
RH10 -0.495 ± 0.060 -0.342 ± 0.064 -0.799 ± 0.557 -53.02 ± 3.93 214.60 ± 6.52
Average -0.433 0.070 -0.510 -33.071 168.530
Median -0.487 -0.116 -0.678 -42.684 208.579
Deviation 0.249 0.528 0.534 34.962 54.301

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 21.8 ± 12.8 83.1 ± 2.2 0.67 ± 0.04
VC 78.8 ± 16.6 194.1 ± 1.9 0.67 ± 0.04
MX1 21.8 ± 12.9 83.9 ± 2.2 0.67 ± 0.04
MX2 82.7 ± 4.4 296.1 ± 2.0 0.67 ± 0.04
MX3 20.8 ± 14.2 117.5 ± 1.9 0.67 ± 0.04
RH08 66.7 ± 9.1 200.5 ± 0.8 0.67 ± 0.04
RH09 71.0 ± 8.7 201.7 ± 1.0 0.67 ± 0.04
RH10 71.0 ± 8.7 201.7 ± 3.7 0.67 ± 0.04
Average 54.3 172.3 0.67
Median 71.0 200.5 0.67
Deviation 27.7 72.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 17.9 ± 3.1 20.3 ± 2.6 21.3 ± 3.1 37.3 ± 1.0 0.88 ± 0.07 0.48 ± 0.09
VC -36.6 ± 3.0 3.7 ± 0.4 4.5 ± 0.6 42.4 ± 1.3 -9.82 ± 0.58 -0.86 ± 0.06
MX1 17.9 ± 3.1 20.3 ± 2.6 21.3 ± 3.1 37.3 ± 1.0 0.88 ± 0.07 0.48 ± 0.09
MX2 -10.4 ± 2.7 2.4 ± 0.3 2.9 ± 0.4 42.4 ± 1.3 -4.23 ± 0.84 -0.24 ± 0.06
MX3 16.2 ± 2.8 20.5 ± 2.7 21.4 ± 3.1 37.2 ± 1.0 0.79 ± 0.06 0.44 ± 0.08
RH8 11.1 ± 1.1 7.7 ± 0.8 9.1 ± 1.3 41.8 ± 1.2 1.46 ± 0.27 0.27 ± 0.03
RH9 10.3 ± 1.3 6.3 ± 0.7 7.4 ± 1.1 42.0 ± 1.3 1.67 ± 0.36 0.25 ± 0.04
RH10 10.3 ± 1.3 6.3 ± 0.7 7.4 ± 1.1 42.0 ± 1.3 1.67 ± 0.36 0.25 ± 0.04
Average 4.6 11.0 11.9 40.3 -0.8 0.1
Median 11.1 7.7 9.1 42.0 0.9 0.3
Deviation 19.0 8.0 8.0 2.5 4.1 0.5

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 28.3 ± 1.4 20.1 ± 0.2 44.7 ± 0.9 49.0 ± 0.9 1.41 ± 0.06 0.58 ± 0.04
VC -56.8 ± 0.4 3.9 ± 0.0 9.4 ± 0.2 52.8 ± 0.8 -14.52 ± 0.14 -1.08 ± 0.02
MX1 28.3 ± 1.4 20.1 ± 0.2 44.8 ± 0.9 49.0 ± 0.9 1.41 ± 0.06 0.58 ± 0.04
MX2 -17.8 ± 0.4 2.5 ± 0.0 6.1 ± 0.1 52.9 ± 0.8 -6.98 ± 0.18 -0.34 ± 0.01
MX3 26.0 ± 1.4 20.3 ± 0.2 45.0 ± 0.9 48.9 ± 0.9 1.28 ± 0.06 0.53 ± 0.04
RH8 16.7 ± 0.9 8.0 ± 0.1 19.0 ± 0.4 52.4 ± 0.8 2.08 ± 0.10 0.32 ± 0.02
RH9 15.0 ± 0.8 6.6 ± 0.0 15.7 ± 0.3 52.6 ± 0.8 2.29 ± 0.11 0.29 ± 0.02
RH10 15.0 ± 0.8 6.6 ± 0.0 15.7 ± 0.3 52.6 ± 0.8 2.29 ± 0.11 0.29 ± 0.02
Average 6.8 11.0 25.1 51.3 -1.3 0.1
Median 16.7 8.0 19.0 52.6 1.4 0.3
Deviation 29.7 7.8 16.9 1.9 6.2 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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