CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 20062801954
Observation time: 10/07/2006 280.82947 1954 [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 280.829475
Arrival time of shock [seconds of day] 71666.6 ± 60.0
Shock type FR
Electron data availability 0
X GSE location of spacecraft [Re] 240.936
Y GSE location of spacecraft [Re] 27.998
Z GSE location of spacecraft [Re] -24.224
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0638
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0516
Minimum chisq/dof for RH8,RH9,RH10 2.28, 9.57, 9.78
Event added to database
Tue Oct 14 13:40:51 2014
Event last processed
Wed Oct 15 12:20:08 2014
Method selected
RH08
Propagation delay to Earth [minutes]
60.242 ± 0.700

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -472.4 ± 1.7 -507.8 ± 2.2
Vy GSE [km/s] 21.9 ± 6.6 6.9 ± 5.3
Vz GSE [km/s] -32.9 ± 6.0 -32.0 ± 7.2
Wi [km/s] 58.2 ± 2.2 51.7 ± 1.2
We [km/s] 1839.6 ± 70.7 1635.7 ± 37.0
Ni [n/cc] 8.8 ± 1.0 4.7 ± 0.3
Bx GSE [nT] 3.2 ± 0.8 4.1 ± 0.6
By GSE [nT] -6.5 ± 0.7 -3.3 ± 0.4
Bz GSE [nT] -2.2 ± 4.7 -1.3 ± 0.9
Plasma Beta
0.853 ± 0.733
0.856 ± 0.890
Sound Speed [km/s]
75.10 ± 2.89
66.78 ± 1.51
Alfven Speed [km/s]
65.01 ± 8.52
56.26 ± 4.29

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.874 ± 0.119 0.453 ± 0.218 0.175 ± 0.173 10.07 ± 14.40 152.61 ± 14.24
VC -0.927 ± 0.070 -0.375 ± 0.172 0.028 ± 0.028 1.63 ± 12.07 202.04 ± 10.66
MX1 -0.988 ± 0.038 -0.130 ± 0.242 0.078 ± 0.078 4.46 ± 15.94 187.48 ± 14.02
MX2 -0.981 ± 0.073 0.122 ± 0.540 0.148 ± 0.147 8.51 ± 11.74 172.94 ± 31.52
MX3 -0.975 ± 0.052 -0.217 ± 0.220 0.050 ± 0.050 2.88 ± 19.77 192.57 ± 12.91
RH08 -0.992 ± 0.004 0.009 ± 0.023 0.128 ± 0.128 7.38 ± 1.75 179.50 ± 1.33
RH09 -0.976 ± 0.015 -0.199 ± 0.068 -0.084 ± 0.084 -4.81 ± 4.02 191.53 ± 3.99
RH10 -0.976 ± 0.015 -0.199 ± 0.068 -0.084 ± 0.084 -4.81 ± 4.02 191.53 ± 3.99
Average -0.961 -0.067 0.055 3.165 183.775
Median -0.976 -0.130 0.078 4.458 191.532
Deviation 0.041 0.259 0.099 5.673 15.361

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 45.4 ± 7.6 389.1 ± 1.7 0.52 ± 0.04
VC 86.2 ± 3.6 385.6 ± 1.3 0.52 ± 0.04
MX1 73.5 ± 4.4 420.3 ± 1.4 0.52 ± 0.04
MX2 61.0 ± 5.1 424.4 ± 1.5 0.52 ± 0.04
MX3 78.0 ± 4.3 411.3 ± 1.4 0.52 ± 0.04
RH08 66.4 ± 4.6 424.5 ± 1.5 0.52 ± 0.04
RH09 78.9 ± 7.7 417.0 ± 1.2 0.52 ± 0.04
RH10 78.9 ± 7.7 417.0 ± 9.8 0.52 ± 0.04
Average 71.0 411.2 0.52
Median 78.0 417.0 0.52
Deviation 13.0 15.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -28.0 ± 4.1 36.9 ± 2.5 45.7 ± 6.0 92.6 ± 3.2 -0.77 ± 0.15 -0.30 ± 0.05
VC -42.9 ± 2.6 3.2 ± 0.2 4.3 ± 0.6 99.6 ± 3.8 -13.24 ± 0.52 -0.43 ± 0.02
MX1 -41.2 ± 1.6 14.0 ± 0.9 18.4 ± 2.4 98.6 ± 3.8 -2.96 ± 0.17 -0.42 ± 0.02
MX2 -37.0 ± 2.2 24.4 ± 1.6 31.5 ± 4.1 96.6 ± 3.6 -1.53 ± 0.16 -0.38 ± 0.03
MX3 -42.7 ± 1.8 10.1 ± 0.6 13.5 ± 1.8 99.1 ± 3.8 -4.22 ± 0.19 -0.43 ± 0.01
RH8 -39.9 ± 1.7 19.9 ± 1.3 26.0 ± 3.4 97.6 ± 3.7 -2.01 ± 0.17 -0.41 ± 0.02
RH9 -42.6 ± 2.3 9.5 ± 0.6 12.6 ± 1.6 99.2 ± 3.8 -4.51 ± 0.14 -0.43 ± 0.01
RH10 -42.6 ± 2.3 9.5 ± 0.6 12.6 ± 1.6 99.2 ± 3.8 -4.51 ± 0.14 -0.43 ± 0.01
Average -39.6 15.9 20.6 97.8 -4.2 -0.4
Median -41.2 14.0 18.4 99.1 -3.0 -0.4
Deviation 5.1 10.7 13.2 2.3 3.9 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -52.4 ± 2.4 32.5 ± 1.7 39.5 ± 3.0 81.1 ± 3.1 -1.61 ± 0.08 -0.65 ± 0.03
VC -81.4 ± 3.5 2.9 ± 0.1 3.7 ± 0.3 87.3 ± 3.5 -28.56 ± 2.53 -0.94 ± 0.07
MX1 -78.3 ± 2.7 12.3 ± 0.6 16.0 ± 1.2 86.5 ± 3.5 -6.38 ± 0.49 -0.91 ± 0.06
MX2 -70.2 ± 2.1 21.5 ± 1.1 27.3 ± 2.1 84.7 ± 3.4 -3.27 ± 0.22 -0.83 ± 0.05
MX3 -80.6 ± 2.9 8.9 ± 0.4 11.7 ± 0.9 86.9 ± 3.5 -9.04 ± 0.73 -0.93 ± 0.07
RH8 -75.0 ± 2.3 17.5 ± 0.9 22.5 ± 1.7 85.6 ± 3.4 -4.29 ± 0.31 -0.88 ± 0.05
RH9 -80.2 ± 2.9 8.3 ± 0.4 10.9 ± 0.8 87.0 ± 3.5 -9.64 ± 0.73 -0.92 ± 0.06
RH10 -80.2 ± 2.9 8.3 ± 0.4 10.9 ± 0.8 87.0 ± 3.5 -9.64 ± 0.73 -0.92 ± 0.06
Average -74.8 14.0 17.8 85.7 -9.1 -0.9
Median -78.3 12.3 16.0 86.9 -6.4 -0.9
Deviation 9.8 9.5 11.5 2.1 8.4 0.1

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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