CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20112861905
Observation time: 10/13/2011 286.79550 1905 [UT]

Wind spacecraft

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Asymptotic parameters
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 2011
Fractional day of year 286.795503
Arrival time of shock [seconds of day] 68731.5 ± 60.0
Shock type NN
Electron data availability 0
X GSE location of spacecraft [Re] 241.669
Y GSE location of spacecraft [Re] 79.697
Z GSE location of spacecraft [Re] 13.975
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0144
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0274
Minimum chisq/dof for RH8,RH9,RH10 8.45, 12.01, 12.92
Event added to database
Fri Sep 20 13:52:09 2013
Event last processed
Tue Sep 24 10:40:33 2013
Method selected
RH08
Propagation delay to Earth [minutes]
80.643 ± 8.498

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -339.7 ± 0.8 -376.8 ± 1.9
Vy GSE [km/s] -32.5 ± 1.3 -14.7 ± 2.6
Vz GSE [km/s] 35.5 ± 0.9 4.7 ± 2.0
Wi [km/s] 16.6 ± 0.3 20.4 ± 1.1
We [km/s] 526.5 ± 9.7 645.4 ± 34.0
Ni [n/cc] 6.9 ± 0.1 3.8 ± 0.3
Bx GSE [nT] 2.4 ± 0.3 4.6 ± 0.1
By GSE [nT] -0.5 ± 0.4 -4.7 ± 0.1
Bz GSE [nT] 5.1 ± 0.2 0.6 ± 0.4
Plasma Beta
0.125 ± 0.126
0.076 ± 0.076
Sound Speed [km/s]
21.49 ± 0.40
26.35 ± 1.39
Alfven Speed [km/s]
47.15 ± 0.86
74.17 ± 3.59

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.626 ± 0.034 0.395 ± 0.042 -0.673 ± 0.546 -42.29 ± 2.39 147.76 ± 3.63
VC -0.723 ± 0.033 0.346 ± 0.053 -0.598 ± 0.514 -36.71 ± 2.26 154.41 ± 4.16
MX1 -0.699 ± 0.034 0.320 ± 0.049 -0.640 ± 0.533 -39.76 ± 2.58 155.43 ± 3.87
MX2 -0.713 ± 0.030 0.304 ± 0.055 -0.631 ± 0.530 -39.14 ± 1.82 156.92 ± 4.38
MX3 -0.707 ± 0.030 0.311 ± 0.049 -0.635 ± 0.532 -39.45 ± 2.12 156.22 ± 3.91
RH08 -0.657 ± 0.025 -0.672 ± 0.024 0.341 ± 0.327 19.92 ± 2.00 225.63 ± 2.00
RH09 -0.657 ± 0.024 -0.672 ± 0.024 0.341 ± 0.327 19.92 ± 1.47 225.63 ± 1.99
RH10 -0.657 ± 0.026 -0.672 ± 0.026 0.341 ± 0.327 19.92 ± 1.77 225.63 ± 2.13
Average -0.680 -0.042 -0.269 -17.196 180.951
Median -0.657 0.311 -0.598 -36.708 156.917
Deviation 0.035 0.522 0.506 30.775 37.100

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 25.6 ± 2.1 110.1 ± 1.7 0.54 ± 0.05
VC 29.4 ± 2.1 146.9 ± 1.7 0.54 ± 0.05
MX1 26.3 ± 2.1 138.2 ± 1.7 0.54 ± 0.05
MX2 26.6 ± 2.1 143.9 ± 1.7 0.54 ± 0.05
MX3 26.5 ± 2.1 141.2 ± 1.7 0.54 ± 0.05
RH08 85.1 ± 4.1 254.9 ± 0.6 0.54 ± 0.05
RH09 85.1 ± 4.1 254.9 ± 0.6 0.54 ± 0.05
RH10 85.1 ± 4.1 254.9 ± 3.5 0.54 ± 0.05
Average 48.7 180.6 0.54
Median 29.4 146.9 0.54
Deviation 30.2 62.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -65.7 ± 0.9 18.9 ± 0.3 42.5 ± 0.8 48.2 ± 0.9 -3.47 ± 0.11 -1.36 ± 0.04
VC -66.2 ± 0.9 18.2 ± 0.3 41.1 ± 0.8 48.5 ± 0.9 -3.64 ± 0.11 -1.37 ± 0.04
MX1 -66.2 ± 0.9 18.8 ± 0.3 42.3 ± 0.8 48.3 ± 0.9 -3.52 ± 0.11 -1.37 ± 0.04
MX2 -66.2 ± 0.9 18.8 ± 0.3 42.1 ± 0.8 48.3 ± 0.9 -3.53 ± 0.11 -1.37 ± 0.04
MX3 -66.2 ± 0.9 18.8 ± 0.3 42.2 ± 0.8 48.3 ± 0.9 -3.52 ± 0.11 -1.37 ± 0.04
RH8 -2.4 ± 1.3 1.7 ± 0.0 4.0 ± 0.1 51.8 ± 0.9 -1.43 ± 0.79 -0.05 ± 0.03
RH9 -2.4 ± 1.3 1.7 ± 0.0 4.0 ± 0.1 51.8 ± 0.9 -1.43 ± 0.79 -0.05 ± 0.03
RH10 -2.4 ± 1.3 1.7 ± 0.0 4.0 ± 0.1 51.8 ± 0.9 -1.43 ± 0.79 -0.05 ± 0.03
Average -42.2 12.3 27.8 49.6 -2.7 -0.9
Median -65.7 18.8 42.1 48.5 -3.5 -1.4
Deviation 33.0 8.8 19.7 1.8 1.1 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -116.7 ± 1.1 23.5 ± 1.2 66.9 ± 3.2 75.1 ± 3.5 -4.99 ± 0.27 -1.56 ± 0.07
VC -117.7 ± 1.2 22.6 ± 1.1 64.6 ± 3.1 75.4 ± 3.5 -5.23 ± 0.28 -1.56 ± 0.06
MX1 -117.5 ± 1.3 23.3 ± 1.2 66.5 ± 3.2 75.2 ± 3.5 -5.06 ± 0.27 -1.57 ± 0.06
MX2 -117.5 ± 1.3 23.2 ± 1.2 66.3 ± 3.2 75.2 ± 3.5 -5.07 ± 0.27 -1.57 ± 0.06
MX3 -117.5 ± 1.3 23.3 ± 1.2 66.4 ± 3.2 75.2 ± 3.5 -5.06 ± 0.27 -1.57 ± 0.06
RH8 -4.4 ± 2.5 2.1 ± 0.1 6.3 ± 0.3 78.7 ± 3.4 -2.06 ± 1.20 -0.05 ± 0.03
RH9 -4.4 ± 2.5 2.1 ± 0.1 6.3 ± 0.3 78.7 ± 3.4 -2.06 ± 1.20 -0.05 ± 0.03
RH10 -4.4 ± 2.5 2.1 ± 0.1 6.3 ± 0.3 78.7 ± 3.4 -2.06 ± 1.20 -0.05 ± 0.03
Average -75.0 15.3 43.7 76.5 -4.0 -1.0
Median -116.7 23.2 66.3 75.4 -5.0 -1.6
Deviation 58.5 10.9 31.0 1.8 1.6 0.8

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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