CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 20062740849
Observation time: 10/01/2006 274.36781 0849 [UT]

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Wave speed and Mach numbers
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2006
Fractional day of year 274.367807
Arrival time of shock [seconds of day] 31778.6 ± 60.0
Shock type FR
Electron data availability 0
X GSE location of spacecraft [Re] 239.449
Y GSE location of spacecraft [Re] 34.529
Z GSE location of spacecraft [Re] -22.976
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0510
Downstream plasma points selected for analysis 0012
Downstream field points selected for analysis 0714
Minimum chisq/dof for RH8,RH9,RH10 7.14, 9.87, 10.28
Event added to database
Tue Oct 14 13:37:09 2014
Event last processed
Wed Oct 15 12:17:36 2014
Method selected
RH08
Propagation delay to Earth [minutes]
-57.806 ± 11.383

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -460.4 ± 6.0 -579.1 ± 15.5
Vy GSE [km/s] -28.2 ± 6.7 -15.5 ± 5.6
Vz GSE [km/s] -34.0 ± 7.1 -19.8 ± 6.6
Wi [km/s] 54.3 ± 2.1 41.3 ± 2.1
We [km/s] 1716.3 ± 67.7 1305.0 ± 66.9
Ni [n/cc] 5.9 ± 0.4 3.0 ± 0.7
Bx GSE [nT] 0.6 ± 0.5 1.0 ± 1.0
By GSE [nT] 10.4 ± 0.5 3.7 ± 0.3
Bz GSE [nT] 3.3 ± 0.5 1.4 ± 0.5
Plasma Beta
0.310 ± 0.302
0.601 ± 0.609
Sound Speed [km/s]
70.07 ± 2.76
53.27 ± 2.73
Alfven Speed [km/s]
98.09 ± 5.06
54.47 ± 5.91

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.975 ± 0.094 0.012 ± 0.293 -0.222 ± 0.218 -12.82 ± 24.24 179.28 ± 17.19
VC -0.987 ± 0.012 0.103 ± 0.063 0.121 ± 0.120 6.93 ± 4.63 174.07 ± 3.67
MX1 -0.995 ± 0.013 -0.079 ± 0.142 0.063 ± 0.063 3.64 ± 5.78 184.55 ± 8.18
MX2 -0.996 ± 0.012 -0.077 ± 0.140 0.043 ± 0.043 2.49 ± 6.75 184.41 ± 8.06
MX3 -0.994 ± 0.014 -0.081 ± 0.144 0.075 ± 0.075 4.31 ± 5.54 184.64 ± 8.28
RH08 -0.041 ± 0.011 0.253 ± 0.002 -0.966 ± 0.337 -75.12 ± 0.00 99.28 ± 2.46
RH09 -0.037 ± 0.073 0.254 ± 0.044 -0.966 ± 0.337 -75.12 ± 2.59 98.27 ± 16.41
RH10 -0.037 ± 0.074 0.254 ± 0.047 -0.966 ± 0.337 -75.12 ± 2.73 98.27 ± 16.62
Average -0.633 0.080 -0.352 -27.603 150.347
Median -0.975 0.103 0.043 2.492 179.281
Deviation 0.492 0.157 0.519 39.795 42.992

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 83.8 ± 2.8 319.3 ± 7.2 0.56 ± 0.12
VC 85.4 ± 2.5 301.6 ± 7.4 0.56 ± 0.12
MX1 83.7 ± 2.5 316.5 ± 7.3 0.56 ± 0.12
MX2 83.4 ± 2.5 317.9 ± 7.3 0.56 ± 0.12
MX3 83.8 ± 2.4 315.5 ± 7.3 0.56 ± 0.12
RH08 87.1 ± 2.0 45.9 ± 2.0 0.56 ± 0.12
RH09 87.2 ± 2.0 44.3 ± 2.0 0.56 ± 0.12
RH10 87.2 ± 2.0 44.3 ± 19.3 0.56 ± 0.12
Average 85.2 213.1 0.56
Median 85.4 315.5 0.56
Deviation 1.7 139.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -136.9 ± 7.3 6.1 ± 0.1 10.6 ± 0.5 120.5 ± 3.4 -22.28 ± 0.89 -1.14 ± 0.07
VC -146.1 ± 5.6 4.6 ± 0.1 7.8 ± 0.4 120.5 ± 3.4 -32.08 ± 0.86 -1.21 ± 0.05
MX1 -141.7 ± 5.4 6.3 ± 0.1 10.8 ± 0.6 120.5 ± 3.4 -22.48 ± 0.55 -1.18 ± 0.05
MX2 -141.4 ± 5.5 6.5 ± 0.1 11.2 ± 0.6 120.4 ± 3.4 -21.68 ± 0.55 -1.17 ± 0.05
MX3 -141.8 ± 5.4 6.2 ± 0.1 10.6 ± 0.5 120.5 ± 3.4 -22.98 ± 0.55 -1.18 ± 0.05
RH8 1.2 ± 8.4 2.8 ± 0.1 4.9 ± 0.3 120.6 ± 3.4 0.43 ± 2.91 0.01 ± 0.07
RH9 1.6 ± 8.4 2.8 ± 0.1 4.8 ± 0.2 120.6 ± 3.4 0.59 ± 2.96 0.01 ± 0.07
RH10 1.6 ± 8.4 2.8 ± 0.1 4.8 ± 0.2 120.6 ± 3.4 0.59 ± 2.96 0.01 ± 0.07
Average -87.9 4.8 8.2 120.5 -15.0 -0.7
Median -136.9 6.1 10.6 120.5 -21.7 -1.1
Deviation 74.0 1.7 3.0 0.1 13.3 0.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -249.6 ± 15.0 4.1 ± 0.2 5.9 ± 0.6 76.3 ± 3.7 -61.35 ± 5.87 -3.28 ± 0.32
VC -266.3 ± 15.8 3.0 ± 0.1 4.4 ± 0.5 76.3 ± 3.7 -88.25 ± 8.14 -3.50 ± 0.33
MX1 -259.6 ± 15.2 4.2 ± 0.2 6.0 ± 0.7 76.2 ± 3.7 -62.19 ± 5.68 -3.42 ± 0.32
MX2 -259.2 ± 15.2 4.3 ± 0.2 6.2 ± 0.7 76.2 ± 3.7 -60.01 ± 5.49 -3.41 ± 0.32
MX3 -259.8 ± 15.2 4.1 ± 0.2 5.9 ± 0.6 76.3 ± 3.7 -63.53 ± 5.79 -3.42 ± 0.32
RH8 6.7 ± 6.8 1.9 ± 0.1 2.7 ± 0.3 76.3 ± 3.7 3.46 ± 3.56 0.09 ± 0.09
RH9 7.7 ± 6.8 1.9 ± 0.1 2.7 ± 0.3 76.3 ± 3.7 4.03 ± 3.61 0.10 ± 0.09
RH10 7.7 ± 6.8 1.9 ± 0.1 2.7 ± 0.3 76.3 ± 3.7 4.03 ± 3.61 0.10 ± 0.09
Average -159.1 3.2 4.6 76.3 -40.5 -2.1
Median -249.6 4.1 5.9 76.3 -60.0 -3.3
Deviation 137.9 1.1 1.6 0.0 37.8 1.8

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 Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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