CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20051281701
Observation time: 05/08/2005 128.70905 1701 [UT]

Wind spacecraft

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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 128.709045
Arrival time of shock [seconds of day] 61261.5 ± 70.0
Shock type FR
Electron data availability 0
X GSE location of spacecraft [Re] 206.420
Y GSE location of spacecraft [Re] 75.279
Z GSE location of spacecraft [Re] -6.120
Upstream plasma points selected for analysis 0004
Upstream field points selected for analysis 0125
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0201
Minimum chisq/dof for RH8,RH9,RH10 17.70, 23.38, 25.88
Event added to database
Mon Sep 23 16:30:21 2013
Event last processed
Tue Sep 24 16:08:32 2013
Method selected
RH08
Propagation delay to Earth [minutes]
27.915 ± 5.342

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -665.8 ± 6.2 -734.5 ± 4.1
Vy GSE [km/s] -13.7 ± 10.4 -53.7 ± 5.5
Vz GSE [km/s] 50.6 ± 13.0 35.7 ± 12.8
Wi [km/s] 98.4 ± 2.3 85.1 ± 1.7
We [km/s] 3112.1 ± 72.5 2690.0 ± 52.4
Ni [n/cc] 9.8 ± 0.1 5.9 ± 0.2
Bx GSE [nT] 7.8 ± 0.9 1.6 ± 0.8
By GSE [nT] -9.9 ± 1.6 -6.1 ± 1.5
Bz GSE [nT] 6.9 ± 5.3 -5.1 ± 2.2
Plasma Beta
0.887 ± 0.935
1.254 ± 1.288
Sound Speed [km/s]
127.05 ± 2.96
109.82 ± 2.14
Alfven Speed [km/s]
105.30 ± 9.26
76.21 ± 3.62

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.262 ± 0.150 0.847 ± 0.116 0.462 ± 0.426 27.55 ± 13.83 107.16 ± 9.92
VC -0.855 ± 0.065 -0.491 ± 0.103 -0.169 ± 0.168 -9.74 ± 10.83 209.87 ± 6.81
MX1 -0.597 ± 0.076 -0.800 ± 0.056 0.052 ± 0.052 2.99 ± 6.63 233.27 ± 5.40
MX2 -0.920 ± 0.191 0.204 ± 0.715 0.334 ± 0.321 19.54 ± 18.90 167.51 ± 44.47
MX3 -0.730 ± 0.047 -0.660 ± 0.052 0.180 ± 0.178 10.37 ± 4.17 222.12 ± 4.00
RH08 -0.732 ± 0.033 0.399 ± 0.058 0.553 ± 0.488 33.58 ± 1.11 151.42 ± 4.50
RH09 -0.974 ± 0.016 -0.094 ± 0.071 0.207 ± 0.204 11.93 ± 3.97 185.52 ± 4.16
RH10 -0.976 ± 0.015 -0.094 ± 0.071 0.196 ± 0.193 11.28 ± 3.96 185.52 ± 4.16
Average -0.756 -0.086 0.227 13.436 182.799
Median -0.732 -0.094 0.207 11.929 185.515
Deviation 0.240 0.560 0.228 13.652 41.023

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 58.7 ± 20.6 234.6 ± 6.8 0.60 ± 0.02
VC 78.9 ± 6.3 444.5 ± 7.1 0.60 ± 0.02
MX1 75.8 ± 5.5 301.7 ± 6.0 0.60 ± 0.02
MX2 61.8 ± 12.1 553.3 ± 2.9 0.60 ± 0.02
MX3 82.0 ± 2.8 390.9 ± 5.0 0.60 ± 0.02
RH08 65.5 ± 17.5 476.0 ± 4.1 0.60 ± 0.02
RH09 69.3 ± 6.8 558.4 ± 3.8 0.60 ± 0.02
RH10 68.9 ± 6.7 558.6 ± 16.7 0.60 ± 0.02
Average 70.1 439.8 0.60
Median 69.3 476.0 0.60
Deviation 8.2 123.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 48.6 ± 12.9 43.6 ± 2.6 54.8 ± 4.8 159.2 ± 6.7 1.13 ± 0.36 0.31 ± 0.09
VC -122.6 ± 11.4 15.6 ± 0.9 20.3 ± 1.8 164.4 ± 7.1 -7.89 ± 1.17 -0.75 ± 0.10
MX1 -109.5 ± 10.2 20.0 ± 1.2 25.8 ± 2.3 163.9 ± 7.1 -5.51 ± 0.82 -0.67 ± 0.09
MX2 -73.4 ± 3.2 39.4 ± 2.3 49.8 ± 4.4 160.3 ± 6.8 -1.87 ± 0.11 -0.46 ± 0.02
MX3 -113.0 ± 7.9 11.2 ± 0.6 14.6 ± 1.3 164.7 ± 7.1 -10.10 ± 1.26 -0.69 ± 0.07
RH8 -33.6 ± 7.4 34.3 ± 2.0 43.7 ± 3.8 161.5 ± 6.9 -0.97 ± 0.17 -0.21 ± 0.04
RH9 -101.8 ± 4.1 29.0 ± 1.7 37.2 ± 3.3 162.5 ± 7.0 -3.52 ± 0.32 -0.63 ± 0.05
RH10 -102.4 ± 4.2 29.5 ± 1.7 37.8 ± 3.3 162.4 ± 7.0 -3.48 ± 0.33 -0.63 ± 0.05
Average -76.0 27.9 35.5 162.4 -4.0 -0.5
Median -101.8 29.5 37.8 162.5 -3.5 -0.6
Deviation 57.8 11.4 14.2 1.9 3.7 0.4

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 71.4 ± 3.1 33.6 ± 1.1 39.6 ± 1.9 129.4 ± 2.1 2.12 ± 0.06 0.55 ± 0.02
VC -203.5 ± 2.5 12.1 ± 0.4 14.7 ± 0.7 133.2 ± 2.3 -16.86 ± 0.58 -1.53 ± 0.02
MX1 -181.8 ± 3.9 15.4 ± 0.5 18.7 ± 0.9 132.8 ± 2.2 -11.78 ± 0.49 -1.37 ± 0.04
MX2 -123.5 ± 4.3 30.4 ± 1.0 36.0 ± 1.7 130.2 ± 2.2 -4.07 ± 0.24 -0.95 ± 0.04
MX3 -186.9 ± 4.7 8.7 ± 0.3 10.6 ± 0.5 133.4 ± 2.3 -21.52 ± 0.99 -1.40 ± 0.05
RH8 -59.7 ± 5.3 26.5 ± 0.8 31.6 ± 1.5 131.1 ± 2.2 -2.26 ± 0.25 -0.46 ± 0.04
RH9 -169.4 ± 3.8 22.4 ± 0.7 26.9 ± 1.3 131.8 ± 2.2 -7.56 ± 0.36 -1.29 ± 0.04
RH10 -170.4 ± 3.8 22.8 ± 0.7 27.4 ± 1.3 131.8 ± 2.2 -7.48 ± 0.35 -1.29 ± 0.04
Average -128.0 21.5 25.7 131.7 -8.7 -1.0
Median -169.4 22.8 27.4 131.8 -7.5 -1.3
Deviation 92.6 8.8 10.3 1.4 7.8 0.7

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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