CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20123310432
Observation time: 11/26/2012 331.18946 0432 [UT]

Wind spacecraft

Site
Data tables
Selection
Normals
Parameters
Previous event
Next event
Yearly list
Main page
Help

General information
Asymptotic parameters
Shock front normals
Key parameters
Wave speed and Mach numbers
Survey
Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2012
Fractional day of year 331.189462
Arrival time of shock [seconds of day] 16369.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 238.582
Y GSE location of spacecraft [Re] -80.109
Z GSE location of spacecraft [Re] 17.223
Upstream plasma points selected for analysis 0004
Upstream field points selected for analysis 0115
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0153
Minimum chisq/dof for RH8,RH9,RH10 12.66, 20.96, 24.57
Event added to database
Tue Oct 8 16:03:23 2013
Event last processed
Tue Oct 8 17:43:30 2013
Method selected
RH08
Propagation delay to Earth [minutes]
42.077 ± 0.651

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -451.9 ± 6.4 -518.9 ± 3.3
Vy GSE [km/s] -8.3 ± 5.4 -17.1 ± 7.3
Vz GSE [km/s] -2.6 ± 10.2 27.8 ± 6.7
Wi [km/s] 36.2 ± 2.9 45.4 ± 1.6
We [km/s] 1144.2 ± 93.1 1434.1 ± 50.3
Ni [n/cc] 3.1 ± 0.4 6.5 ± 0.8
Bx GSE [nT] 1.9 ± 0.8 3.3 ± 0.6
By GSE [nT] -4.4 ± 0.5 -5.7 ± 1.3
Bz GSE [nT] 0.3 ± 1.3 6.7 ± 0.7
Plasma Beta
0.361 ± 0.411
0.311 ± 0.330
Sound Speed [km/s]
46.71 ± 3.80
58.55 ± 2.05
Alfven Speed [km/s]
61.54 ± 7.81
81.77 ± 4.55

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.379 ± 0.162 0.891 ± 0.079 0.251 ± 0.245 14.52 ± 9.53 113.05 ± 10.37
VC -0.907 ± 0.053 -0.119 ± 0.106 0.403 ± 0.380 23.76 ± 7.41 187.46 ± 6.67
MX1 -0.897 ± 0.282 0.393 ± 0.642 0.203 ± 0.200 11.68 ± 7.39 156.33 ± 41.00
MX2 -0.975 ± 0.024 0.037 ± 0.115 0.219 ± 0.215 12.65 ± 6.05 177.82 ± 6.74
MX3 -0.977 ± 0.024 -0.073 ± 0.115 0.199 ± 0.196 11.45 ± 6.62 184.25 ± 6.74
RH08 -0.998 ± 0.002 -0.044 ± 0.024 0.050 ± 0.050 2.88 ± 1.78 182.51 ± 1.36
RH09 -0.997 ± 0.006 -0.079 ± 0.068 -0.028 ± 0.028 -1.60 ± 4.06 184.51 ± 3.91
RH10 -0.997 ± 0.006 -0.079 ± 0.068 -0.028 ± 0.028 -1.60 ± 4.06 184.51 ± 3.91
Average -0.891 0.116 0.159 9.219 171.306
Median -0.975 -0.044 0.203 11.684 184.254
Deviation 0.211 0.354 0.150 8.757 25.531

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 19.7 ± 12.8 212.1 ± 5.2 2.09 ± 0.17
VC 78.0 ± 4.1 553.1 ± 5.5 2.09 ± 0.17
MX1 47.8 ± 4.3 522.9 ± 6.4 2.09 ± 0.17
MX2 67.6 ± 5.0 579.5 ± 5.8 2.09 ± 0.17
MX3 73.5 ± 5.4 581.9 ± 5.5 2.09 ± 0.17
RH08 71.0 ± 7.1 586.4 ± 5.4 2.09 ± 0.17
RH09 72.6 ± 8.2 581.8 ± 5.1 2.09 ± 0.17
RH10 72.6 ± 8.2 581.8 ± 19.8 2.09 ± 0.17
Average 62.9 524.9 2.09
Median 72.6 581.8 2.09
Deviation 19.7 128.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 48.8 ± 6.9 41.2 ± 2.9 57.9 ± 7.4 65.5 ± 6.7 1.19 ± 0.17 0.76 ± 0.17
VC 143.1 ± 7.9 7.7 ± 0.5 12.8 ± 1.6 77.0 ± 6.5 18.66 ± 2.07 1.87 ± 0.24
MX1 121.3 ± 6.7 26.5 ± 1.8 41.4 ± 5.2 72.8 ± 6.4 4.61 ± 0.50 1.68 ± 0.22
MX2 139.7 ± 7.2 14.3 ± 1.0 23.5 ± 3.0 76.1 ± 6.5 9.80 ± 1.07 1.85 ± 0.23
MX3 140.1 ± 7.2 10.6 ± 0.7 17.5 ± 2.2 76.7 ± 6.5 13.26 ± 1.45 1.84 ± 0.23
RH8 135.2 ± 6.6 12.2 ± 0.8 20.1 ± 2.5 76.4 ± 6.5 11.14 ± 1.22 1.78 ± 0.21
RH9 130.7 ± 6.5 11.1 ± 0.8 18.4 ± 2.3 76.6 ± 6.5 11.79 ± 1.30 1.72 ± 0.20
RH10 130.7 ± 6.5 11.1 ± 0.8 18.4 ± 2.3 76.6 ± 6.5 11.79 ± 1.30 1.72 ± 0.20
Average 123.7 16.9 26.2 74.7 10.3 1.7
Median 135.2 12.2 20.1 76.6 11.8 1.8
Deviation 31.0 11.3 15.4 4.0 5.3 0.4

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 23.7 ± 6.1 52.5 ± 1.2 77.0 ± 4.3 85.8 ± 3.7 0.45 ± 0.12 0.28 ± 0.08
VC 69.0 ± 3.9 9.9 ± 0.2 17.0 ± 0.9 100.1 ± 2.9 6.97 ± 0.46 0.69 ± 0.03
MX1 58.6 ± 4.3 33.9 ± 0.6 55.0 ± 3.1 94.7 ± 3.1 1.73 ± 0.14 0.62 ± 0.05
MX2 68.1 ± 3.3 18.4 ± 0.3 31.2 ± 1.7 98.9 ± 3.0 3.70 ± 0.22 0.69 ± 0.03
MX3 68.0 ± 3.3 13.7 ± 0.2 23.3 ± 1.3 99.7 ± 2.9 4.98 ± 0.28 0.68 ± 0.03
RH8 66.5 ± 3.2 15.7 ± 0.2 26.7 ± 1.5 99.4 ± 2.9 4.24 ± 0.23 0.67 ± 0.03
RH9 64.1 ± 3.2 14.3 ± 0.2 24.4 ± 1.4 99.6 ± 2.9 4.48 ± 0.25 0.64 ± 0.03
RH10 64.1 ± 3.2 14.3 ± 0.2 24.4 ± 1.4 99.6 ± 2.9 4.48 ± 0.25 0.64 ± 0.03
Average 60.3 21.6 34.8 97.2 3.9 0.6
Median 66.5 15.7 26.7 99.6 4.5 0.7
Deviation 15.1 14.4 20.5 4.9 2.0 0.1

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)

   
 

Section Photo