CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 20062301548
Observation time: 08/18/2006 230.65889 1548 [UT]

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Asymptotic parameters
Shock front normals
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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 2006
Fractional day of year 230.658887
Arrival time of shock [seconds of day] 56927.9 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 226.414
Y GSE location of spacecraft [Re] 21.782
Z GSE location of spacecraft [Re] 6.620
Upstream plasma points selected for analysis 0013
Upstream field points selected for analysis 0780
Downstream plasma points selected for analysis 0012
Downstream field points selected for analysis 0734
Minimum chisq/dof for RH8,RH9,RH10 4.67, 4.72, 4.75
Event added to database
Tue Oct 14 10:33:11 2014
Event last processed
Wed Oct 15 12:02:53 2014
Method selected
RH08
Propagation delay to Earth [minutes]
92.404 ± 6987.944

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -351.7 ± 1.7 -403.8 ± 2.0
Vy GSE [km/s] 10.3 ± 1.7 2.4 ± 2.8
Vz GSE [km/s] 4.1 ± 2.2 16.1 ± 3.5
Wi [km/s] 11.9 ± 0.9 19.4 ± 0.9
We [km/s] 375.6 ± 29.5 614.0 ± 28.6
Ni [n/cc] 6.7 ± 0.8 7.5 ± 0.7
Bx GSE [nT] 3.6 ± 0.2 3.6 ± 0.2
By GSE [nT] -5.2 ± 0.2 -9.8 ± 0.3
Bz GSE [nT] 2.9 ± 0.3 5.6 ± 0.4
Plasma Beta
0.041 ± 0.041
0.043 ± 0.043
Sound Speed [km/s]
15.33 ± 1.20
25.07 ± 1.17
Alfven Speed [km/s]
58.84 ± 4.08
94.60 ± 4.56

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -1.000 ± 0.002 0.013 ± 0.153 -0.001 ± 0.001 -0.06 ± 11.26 179.25 ± 8.79
VC -0.964 ± 0.018 -0.148 ± 0.063 0.219 ± 0.216 12.67 ± 4.02 188.71 ± 3.71
MX1 -0.994 ± 0.007 0.046 ± 0.073 0.100 ± 0.100 5.75 ± 3.56 177.36 ± 4.23
MX2 -0.994 ± 0.008 0.046 ± 0.070 0.103 ± 0.103 5.94 ± 3.95 177.33 ± 4.06
MX3 -0.993 ± 0.009 0.047 ± 0.068 0.108 ± 0.107 6.17 ± 4.51 177.30 ± 3.90
RH08 -0.081 ± 0.018 -0.494 ± 0.030 -0.866 ± 0.524 -59.99 ± 2.00 260.72 ± 2.00
RH09 -0.081 ± 0.005 -0.494 ± 0.011 -0.866 ± 0.524 -59.99 ± 0.73 260.72 ± 0.58
RH10 -0.081 ± 0.005 -0.494 ± 0.011 -0.866 ± 0.524 -59.99 ± 0.73 260.72 ± 0.58
Average -0.648 -0.185 -0.259 -18.686 210.265
Median -0.964 0.013 0.100 5.751 188.714
Deviation 0.470 0.264 0.506 34.371 41.951

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 58.4 ± 2.0 606.1 ± 830.3 1.14 ± 0.21
VC 73.0 ± 2.2 603.0 ± 845.7 1.14 ± 0.21
MX1 59.8 ± 2.3 609.2 ± 836.9 1.14 ± 0.21
MX2 59.9 ± 2.3 609.2 ± 837.1 1.14 ± 0.21
MX3 60.0 ± 2.3 609.2 ± 837.2 1.14 ± 0.21
RH08 88.1 ± 2.7 1.7 ± 31.4 1.14 ± 0.21
RH09 88.1 ± 2.7 1.7 ± 31.4 1.14 ± 0.21
RH10 88.1 ± 2.7 1.7 ± 390.9 1.14 ± 0.21
Average 71.9 380.2 1.14
Median 73.0 606.1 1.14
Deviation 14.1 313.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 254.3 ± 1.7 7.8 ± 0.6 30.8 ± 2.1 60.3 ± 4.0 32.65 ± 2.39 4.23 ± 0.29
VC 264.4 ± 1.8 4.4 ± 0.3 17.2 ± 1.2 60.7 ± 4.0 61.06 ± 4.41 4.38 ± 0.29
MX1 258.7 ± 1.8 7.5 ± 0.6 29.6 ± 2.0 60.4 ± 4.0 34.62 ± 2.51 4.30 ± 0.29
MX2 258.8 ± 1.8 7.5 ± 0.6 29.5 ± 2.0 60.4 ± 4.0 34.72 ± 2.52 4.31 ± 0.29
MX3 259.0 ± 1.9 7.5 ± 0.6 29.4 ± 2.0 60.4 ± 4.0 34.84 ± 2.53 4.31 ± 0.29
RH8 -18.0 ± 2.2 0.5 ± 0.0 2.0 ± 0.1 60.8 ± 4.0 -36.46 ± 3.05 -0.30 ± 0.04
RH9 -18.0 ± 2.2 0.5 ± 0.0 2.0 ± 0.1 60.8 ± 4.0 -36.46 ± 3.05 -0.30 ± 0.04
RH10 -18.0 ± 2.2 0.5 ± 0.0 2.0 ± 0.1 60.8 ± 4.0 -36.46 ± 3.05 -0.30 ± 0.04
Average 155.1 4.5 17.8 60.6 11.1 2.6
Median 258.7 7.5 29.4 60.7 34.6 4.3
Deviation 143.4 3.5 13.8 0.2 40.4 2.4

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 202.3 ± 2.0 12.8 ± 0.6 49.5 ± 2.4 97.0 ± 4.3 15.85 ± 0.74 2.09 ± 0.09
VC 210.4 ± 2.0 7.1 ± 0.3 27.7 ± 1.3 97.6 ± 4.3 29.65 ± 1.37 2.16 ± 0.09
MX1 206.1 ± 2.2 12.3 ± 0.5 47.6 ± 2.3 97.1 ± 4.3 16.83 ± 0.80 2.13 ± 0.09
MX2 206.2 ± 2.2 12.2 ± 0.5 47.4 ± 2.3 97.1 ± 4.3 16.88 ± 0.81 2.13 ± 0.09
MX3 206.3 ± 2.2 12.2 ± 0.5 47.3 ± 2.3 97.1 ± 4.3 16.94 ± 0.81 2.13 ± 0.09
RH8 -15.8 ± 3.7 0.8 ± 0.0 3.2 ± 0.2 97.9 ± 4.3 -19.67 ± 5.13 -0.16 ± 0.04
RH9 -15.8 ± 3.7 0.8 ± 0.0 3.2 ± 0.2 97.9 ± 4.3 -19.67 ± 5.13 -0.16 ± 0.04
RH10 -15.8 ± 3.7 0.8 ± 0.0 3.2 ± 0.2 97.9 ± 4.3 -19.67 ± 5.13 -0.16 ± 0.04
Average 123.0 7.4 28.6 97.5 4.6 1.3
Median 206.1 12.2 47.3 97.6 16.8 2.1
Deviation 114.9 5.7 22.2 0.4 20.6 1.2

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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