CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20052580839
Observation time: 09/15/2005 258.36050 0839 [UT]

Wind spacecraft

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Asymptotic parameters
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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 2005
Fractional day of year 258.360498
Arrival time of shock [seconds of day] 31147.0 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 207.307
Y GSE location of spacecraft [Re] -85.467
Z GSE location of spacecraft [Re] -10.803
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0263
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0197
Minimum chisq/dof for RH8,RH9,RH10 5.24, 9.87, 10.22
Event added to database
Thu Jun 24 11:42:08 2010
Event last processed
Thu Jun 24 11:56:46 2010
Method selected
RH08
Propagation delay to Earth [minutes]
29.342 ± 0.909

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -536.0 ± 12.6 -633.1 ± 9.1
Vy GSE [km/s] 3.9 ± 9.6 -23.4 ± 11.8
Vz GSE [km/s] -15.5 ± 6.5 -39.9 ± 5.8
Wi [km/s] 34.9 ± 4.6 70.5 ± 7.1
We [km/s] 1104.8 ± 145.6 2228.3 ± 224.9
Ni [n/cc] 1.5 ± 0.2 4.4 ± 0.3
Bx GSE [nT] 1.8 ± 0.7 0.6 ± 0.8
By GSE [nT] 0.6 ± 0.6 2.2 ± 1.5
Bz GSE [nT] -1.4 ± 0.7 -7.1 ± 0.3
Plasma Beta
0.796 ± 0.646
0.825 ± 0.798
Sound Speed [km/s]
45.10 ± 5.94
90.97 ± 9.18
Alfven Speed [km/s]
44.47 ± 13.13
78.75 ± 4.47

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.969 ± 0.037 -0.010 ± 0.537 0.248 ± 0.243 14.35 ± 8.38 180.59 ± 31.74
VC -0.935 ± 0.045 -0.264 ± 0.142 -0.236 ± 0.231 -13.63 ± 5.20 195.77 ± 8.72
MX1 -0.957 ± 0.072 -0.238 ± 0.277 0.167 ± 0.165 9.62 ± 7.84 193.98 ± 16.56
MX2 -0.928 ± 0.043 -0.358 ± 0.106 0.107 ± 0.106 6.12 ± 8.02 201.12 ± 6.57
MX3 -0.922 ± 0.044 -0.376 ± 0.103 0.097 ± 0.096 5.55 ± 8.01 202.19 ± 6.38
RH08 -0.980 ± 0.004 -0.182 ± 0.022 0.084 ± 0.084 4.81 ± 0.93 190.53 ± 1.31
RH09 -0.970 ± 0.017 -0.233 ± 0.067 0.073 ± 0.072 4.16 ± 4.03 193.54 ± 3.95
RH10 -0.974 ± 0.016 -0.216 ± 0.067 0.073 ± 0.072 4.16 ± 4.03 192.53 ± 3.95
Average -0.954 -0.235 0.076 4.392 193.782
Median -0.957 -0.233 0.097 5.547 193.985
Deviation 0.023 0.113 0.140 8.071 6.706

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 33.6 ± 16.5 652.9 ± 18.4 3.04 ± 0.60
VC 53.7 ± 17.0 660.7 ± 17.2 3.04 ± 0.60
MX1 34.0 ± 21.6 655.1 ± 17.2 3.04 ± 0.60
MX2 37.3 ± 23.4 641.3 ± 16.5 3.04 ± 0.60
MX3 37.9 ± 23.6 638.4 ± 16.4 3.04 ± 0.60
RH08 38.6 ± 20.3 673.2 ± 17.8 3.04 ± 0.60
RH09 38.9 ± 21.2 667.8 ± 17.5 3.04 ± 0.60
RH10 39.0 ± 20.9 670.1 ± 17.6 3.04 ± 0.60
Average 39.1 657.4 3.04
Median 38.6 660.7 3.04
Deviation 6.3 13.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 137.6 ± 12.7 29.3 ± 7.2 37.0 ± 10.9 56.5 ± 10.7 5.01 ± 1.51 2.51 ± 0.46
VC 156.8 ± 12.4 19.4 ± 4.6 26.4 ± 7.8 60.6 ± 11.9 8.59 ± 2.53 2.67 ± 0.52
MX1 145.8 ± 13.1 29.1 ± 7.1 36.9 ± 10.9 56.6 ± 10.7 5.33 ± 1.56 2.65 ± 0.46
MX2 147.2 ± 13.1 27.6 ± 6.7 35.4 ± 10.4 57.4 ± 10.9 5.68 ± 1.62 2.64 ± 0.46
MX3 147.4 ± 13.1 27.3 ± 6.6 35.1 ± 10.4 57.5 ± 11.0 5.75 ± 1.63 2.64 ± 0.46
RH8 150.1 ± 13.0 26.9 ± 6.5 34.8 ± 10.3 57.7 ± 11.0 5.94 ± 1.75 2.68 ± 0.49
RH9 150.2 ± 13.0 26.8 ± 6.5 34.6 ± 10.2 57.7 ± 11.1 5.96 ± 1.74 2.68 ± 0.48
RH10 150.2 ± 13.0 26.8 ± 6.5 34.6 ± 10.2 57.7 ± 11.1 5.98 ± 1.75 2.68 ± 0.49
Average 148.2 26.7 34.3 57.7 6.0 2.6
Median 150.1 27.3 35.1 57.7 5.9 2.7
Deviation 5.4 3.1 3.4 1.3 1.1 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 49.3 ± 8.8 55.5 ± 2.0 65.6 ± 3.7 107.0 ± 5.4 0.89 ± 0.17 0.46 ± 0.08
VC 53.0 ± 7.8 36.8 ± 1.3 46.7 ± 2.7 114.8 ± 5.4 1.44 ± 0.23 0.46 ± 0.07
MX1 50.4 ± 7.6 55.2 ± 2.0 65.3 ± 3.7 107.2 ± 5.4 0.92 ± 0.15 0.47 ± 0.07
MX2 49.9 ± 7.2 52.2 ± 1.9 62.7 ± 3.6 108.7 ± 5.4 0.96 ± 0.15 0.46 ± 0.07
MX3 50.0 ± 7.1 51.6 ± 1.9 62.1 ± 3.5 109.0 ± 5.4 0.97 ± 0.15 0.46 ± 0.07
RH8 52.0 ± 8.0 51.0 ± 1.8 61.5 ± 3.5 109.2 ± 5.4 1.02 ± 0.17 0.48 ± 0.07
RH9 51.4 ± 7.7 50.8 ± 1.8 61.3 ± 3.5 109.4 ± 5.4 1.01 ± 0.17 0.47 ± 0.07
RH10 51.5 ± 7.8 50.7 ± 1.8 61.2 ± 3.5 109.4 ± 5.4 1.02 ± 0.17 0.47 ± 0.07
Average 51.0 50.5 60.8 109.3 1.0 0.5
Median 51.4 51.6 62.1 109.2 1.0 0.5
Deviation 1.2 5.8 6.0 2.4 0.2 0.0

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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