CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20050511532
Observation time: 02/20/2005 51.64738 1532 [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
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2005
Fractional day of year 51.647378
Arrival time of shock [seconds of day] 55933.5 ± 30.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 231.404
Y GSE location of spacecraft [Re] -91.596
Z GSE location of spacecraft [Re] 5.224
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0291
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0260
Minimum chisq/dof for RH8,RH9,RH10 9.54, 12.03, 12.97
Event added to database
Mon Sep 23 15:48:53 2013
Event last processed
Tue Sep 24 15:51:27 2013
Method selected
RH08
Propagation delay to Earth [minutes]
60.407 ± 27.419

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -434.3 ± 1.6 -447.4 ± 3.7
Vy GSE [km/s] -5.5 ± 1.3 -19.3 ± 4.3
Vz GSE [km/s] -15.3 ± 2.1 -19.8 ± 3.7
Wi [km/s] 23.0 ± 0.6 31.0 ± 1.5
We [km/s] 728.6 ± 19.3 979.2 ± 48.1
Ni [n/cc] 3.5 ± 0.3 5.9 ± 0.3
Bx GSE [nT] -2.6 ± 0.2 2.5 ± 0.2
By GSE [nT] -5.4 ± 0.1 -3.3 ± 0.3
Bz GSE [nT] -1.5 ± 0.3 1.4 ± 0.4
Plasma Beta
0.100 ± 0.096
0.611 ± 0.609
Sound Speed [km/s]
29.74 ± 0.79
39.97 ± 1.96
Alfven Speed [km/s]
73.17 ± 3.56
39.67 ± 0.86

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.290 ± 0.034 0.943 ± 0.014 -0.166 ± 0.165 -9.56 ± 3.28 107.09 ± 2.06
VC -0.679 ± 0.115 -0.706 ± 0.111 -0.203 ± 0.200 -11.69 ± 10.12 226.13 ± 9.08
MX1 -0.693 ± 0.528 0.657 ± 0.555 0.299 ± 0.289 17.37 ± 22.18 136.52 ± 45.46
MX2 -0.263 ± 0.048 0.941 ± 0.016 -0.213 ± 0.210 -12.30 ± 2.51 105.64 ± 2.93
MX3 -0.935 ± 0.460 0.347 ± 1.235 0.078 ± 0.078 4.46 ± 30.52 159.65 ± 75.72
RH08 -0.512 ± 0.017 0.086 ± 0.033 0.855 ± 0.532 58.73 ± 1.10 170.47 ± 3.63
RH09 -0.512 ± 0.039 0.086 ± 0.070 0.855 ± 0.532 58.73 ± 2.55 170.47 ± 7.78
RH10 -0.512 ± 0.041 0.086 ± 0.069 0.855 ± 0.532 58.73 ± 2.65 170.47 ± 7.74
Average -0.549 0.305 0.295 20.560 155.807
Median -0.512 0.347 0.299 17.370 170.474
Deviation 0.220 0.548 0.494 33.097 39.400

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 48.8 ± 2.9 102.9 ± 1.4 1.69 ± 0.14
VC 17.9 ± 2.2 350.6 ± 2.4 1.69 ± 0.14
MX1 69.4 ± 2.0 289.0 ± 0.9 1.69 ± 0.14
MX2 48.9 ± 3.0 91.8 ± 1.4 1.69 ± 0.14
MX3 85.7 ± 2.2 420.8 ± 0.9 1.69 ± 0.14
RH08 86.2 ± 2.0 214.1 ± 0.9 1.69 ± 0.14
RH09 86.2 ± 2.0 214.1 ± 0.9 1.69 ± 0.14
RH10 86.2 ± 2.0 214.1 ± 7.2 1.69 ± 0.14
Average 66.2 237.2 1.69
Median 85.7 214.1 1.69
Deviation 25.4 113.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -20.4 ± 1.7 18.7 ± 0.5 48.2 ± 2.3 76.8 ± 3.4 -1.09 ± 0.11 -0.27 ± 0.03
VC 48.9 ± 1.3 28.0 ± 0.7 69.6 ± 3.4 73.8 ± 3.5 1.74 ± 0.08 0.66 ± 0.03
MX1 -3.5 ± 1.6 9.8 ± 0.2 25.7 ± 1.3 78.4 ± 3.3 -0.37 ± 0.17 -0.05 ± 0.02
MX2 -20.7 ± 1.7 18.6 ± 0.5 48.1 ± 2.3 76.8 ± 3.4 -1.11 ± 0.11 -0.27 ± 0.03
MX3 18.0 ± 1.7 2.1 ± 0.1 5.5 ± 0.3 79.0 ± 3.3 8.75 ± 0.74 0.23 ± 0.02
RH8 5.4 ± 1.4 1.8 ± 0.0 4.8 ± 0.2 79.0 ± 3.3 2.96 ± 0.73 0.07 ± 0.02
RH9 5.4 ± 1.4 1.8 ± 0.0 4.8 ± 0.2 79.0 ± 3.3 2.96 ± 0.73 0.07 ± 0.02
RH10 5.4 ± 1.4 1.8 ± 0.0 4.8 ± 0.2 79.0 ± 3.3 2.96 ± 0.73 0.07 ± 0.02
Average 4.8 10.3 26.5 77.7 2.1 0.1
Median 5.4 9.8 25.7 79.0 3.0 0.1
Deviation 22.3 10.3 25.8 1.8 3.2 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -11.9 ± 3.1 19.8 ± 0.6 26.1 ± 0.6 52.7 ± 1.5 -0.60 ± 0.17 -0.23 ± 0.06
VC 29.3 ± 5.6 33.1 ± 0.9 37.8 ± 0.8 45.6 ± 1.3 0.89 ± 0.18 0.64 ± 0.13
MX1 -2.3 ± 2.8 10.1 ± 0.3 14.0 ± 0.3 55.4 ± 1.6 -0.23 ± 0.28 -0.04 ± 0.05
MX2 -12.1 ± 3.0 19.7 ± 0.6 26.1 ± 0.6 52.8 ± 1.5 -0.62 ± 0.16 -0.23 ± 0.06
MX3 10.8 ± 2.6 2.1 ± 0.1 3.0 ± 0.1 56.3 ± 1.6 5.15 ± 1.24 0.19 ± 0.05
RH8 3.6 ± 3.0 1.9 ± 0.1 2.6 ± 0.1 56.3 ± 1.6 1.97 ± 1.69 0.06 ± 0.06
RH9 3.6 ± 3.0 1.9 ± 0.1 2.6 ± 0.1 56.3 ± 1.6 1.97 ± 1.69 0.06 ± 0.06
RH10 3.6 ± 3.0 1.9 ± 0.1 2.6 ± 0.1 56.3 ± 1.6 1.97 ± 1.69 0.06 ± 0.06
Average 3.1 11.3 14.3 54.0 1.3 0.1
Median 3.6 10.1 14.0 56.3 2.0 0.1
Deviation 13.3 11.8 14.0 3.7 1.9 0.3

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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