CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20112880952
Observation time: 10/15/2011 288.41165 0952 [UT]

 Wind spacecraft

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 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 2011
Fractional day of year 288.411649
Arrival time of shock [seconds of day] 35566.5 ± 20.0
Shock type NN
Electron data availability 0
X GSE location of spacecraft [Re] 243.468
Y GSE location of spacecraft [Re] 76.061
Z GSE location of spacecraft [Re] 14.920
Upstream plasma points selected for analysis 0002
Upstream field points selected for analysis 0070
Downstream plasma points selected for analysis 0001
Downstream field points selected for analysis 0031
Minimum chisq/dof for RH8,RH9,RH10 -6671.51, -5719.41, -5005.42
Event added to database
 Fri Sep 20 13:53:44 2013
Event last processed
 Tue Sep 24 10:42:20 2013
Method selected
 RH08
Propagation delay to Earth [minutes]
 -0.043 ± 44.794

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -414.9 ± 0.1 -461.2 ± -461.2
Vy GSE [km/s] -14.6 ± 2.2 32.5 ± 32.5
Vz GSE [km/s] -3.8 ± 12.1 -25.2 ± -25.2
Wi [km/s] 36.1 ± 0.9 55.6 ± 55.6
We [km/s] 1141.1 ± 28.7 1758.6 ± 1758.6
Ni [n/cc] 4.6 ± 0.3 4.8 ± 4.8
Bx GSE [nT] 5.9 ± 0.0 3.2 ± 3.2
By GSE [nT] -5.0 ± 0.0 -3.0 ± -3.0
Bz GSE [nT] -0.6 ± 0.9 -4.1 ± -4.1
Plasma Beta
 0.206 ± 0.210
 0.859 ± 0.859
Sound Speed [km/s]
 46.59 ± -0.00
 71.79 ± -0.00
Alfven Speed [km/s]
 79.58 ± -0.00
 60.01 ± -0.00

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.526 ± 0.061 0.493 ± 0.058 0.693 ± 0.552 43.86 ± 6.92 136.81 ± 0.86
VC -0.669 ± 0.038 0.679 ± 0.038 -0.302 ± 0.293 -17.59 ± 9.08 134.57 ± 1.45
MX1 -0.640 ± 0.075 0.335 ± 0.042 0.692 ± 0.552 43.76 ± 6.96 152.34 ± 1.43
MX2 -0.528 ± 0.062 0.491 ± 0.058 0.693 ± 0.552 43.88 ± 7.00 137.09 ± 0.42
MX3 -0.366 ± 0.039 0.655 ± 0.069 0.661 ± 0.542 41.40 ± 6.88 119.20 ± 0.32
RH08 0.030 ± 0.071 -0.964 ± 0.018 0.263 ± 0.256 15.22 ± 4.00 271.75 ± 4.20
RH09 0.030 ± 0.034 -0.964 ± 0.009 0.263 ± 0.256 15.22 ± 2.00 271.75 ± 2.00
RH10 0.030 ± 0.034 -0.964 ± 0.009 0.263 ± 0.256 15.22 ± 2.00 271.75 ± 2.00
Average -0.330 -0.030 0.403 25.124 186.908
Median -0.366 0.491 0.661 41.398 152.344
Deviation 0.311 0.781 0.354 22.148 70.820

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 39.8 ± 6.3 ****** ± ****** 1.05 ± 0.07
VC 22.4 ± 6.3 ****** ± ****** 1.05 ± 0.07
MX1 41.1 ± 6.3 ****** ± ****** 1.05 ± 0.07
MX2 39.8 ± 6.3 ****** ± ****** 1.05 ± 0.07
MX3 41.7 ± 5.7 ****** ± ****** 1.05 ± 0.07
RH08 51.6 ± 2.8 ****** ± ****** 1.05 ± 0.07
RH09 51.6 ± 2.8 ****** ± ****** 1.05 ± 0.07
RH10 51.6 ± 2.8 ****** ± ****** 1.05 ± 0.07
Average 42.5 ****** 1.05
Median 41.7 ****** 1.05
Deviation 9.8 0.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC ******* ± -0.0 33.1 ± -0.0 61.1 ± -0.0 86.1 ± -0.0 ******* ± -1.00 ******* ± -1.00
VC ******* ± -0.0 41.7 ± -0.0 73.6 ± -0.0 82.3 ± -0.0 ******* ± -1.00 ******* ± -1.00
MX1 ******* ± -0.0 32.4 ± -0.0 60.0 ± -0.0 86.3 ± -0.0 ******* ± -1.00 ******* ± -1.00
MX2 ******* ± -0.0 33.1 ± -0.0 61.1 ± -0.0 86.1 ± -0.0 ******* ± -1.00 ******* ± -1.00
MX3 ******* ± -0.0 32.0 ± -0.0 59.4 ± -0.0 86.5 ± -0.0 ******* ± -1.00 ******* ± -1.00
RH8 ******* ± -0.0 26.0 ± -0.0 49.4 ± -0.0 88.5 ± -0.0 ******* ± -1.00 ******* ± -1.00
RH9 ******* ± -0.0 26.0 ± -0.0 49.4 ± -0.0 88.5 ± -0.0 ******* ± -1.00 ******* ± -1.00
RH10 ******* ± -0.0 26.0 ± -0.0 49.4 ± -0.0 88.5 ± -0.0 ******* ± -1.00 ******* ± -1.00
Average ******* 31.3 57.9 86.6 -3279.8 -1158.0
Median ******* 32.4 60.0 86.5 -3100.0 -1158.8
Deviation 118.3 5.3 8.4 2.1 522.0 29.5

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC ******* ± -0.0 38.9 ± -0.0 46.1 ± -0.0 85.1 ± -0.0 ******* ± -1.00 ******* ± -1.00
VC ******* ± -0.0 50.6 ± -0.0 55.5 ± -0.0 78.7 ± -0.0 ******* ± -1.00 ******* ± -1.00
MX1 ******* ± -0.0 38.0 ± -0.0 45.2 ± -0.0 85.5 ± -0.0 ******* ± -1.00 ******* ± -1.00
MX2 ******* ± -0.0 38.9 ± -0.0 46.1 ± -0.0 85.1 ± -0.0 ******* ± -1.00 ******* ± -1.00
MX3 ******* ± -0.0 37.5 ± -0.0 44.8 ± -0.0 85.7 ± -0.0 ******* ± -1.00 ******* ± -1.00
RH8 ******* ± -0.0 30.2 ± -0.0 37.2 ± -0.0 88.6 ± -0.0 ******* ± -1.00 ******* ± -1.00
RH9 ******* ± -0.0 30.2 ± -0.0 37.2 ± -0.0 88.6 ± -0.0 ******* ± -1.00 ******* ± -1.00
RH10 ******* ± -0.0 30.2 ± -0.0 37.2 ± -0.0 88.6 ± -0.0 ******* ± -1.00 ******* ± -1.00
Average ******* 36.8 43.7 85.7 -2797.7 -1169.7
Median ******* 38.0 45.2 85.7 -2641.7 -1168.8
Deviation 166.1 6.9 6.3 3.3 477.0 48.3

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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