CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 20050950233
Observation time: 04/05/2005 95.10662 0233 [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 2005
Fractional day of year 95.106624
Arrival time of shock [seconds of day] 9212.3 ± 30.0
Shock type FR
Electron data availability 0
X GSE location of spacecraft [Re] 233.296
Y GSE location of spacecraft [Re] 40.221
Z GSE location of spacecraft [Re] -22.331
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0344
Downstream plasma points selected for analysis 0010
Downstream field points selected for analysis 0633
Minimum chisq/dof for RH8,RH9,RH10 9.90, 13.22, 13.53
Event added to database
Fri Oct 10 14:49:47 2014
Event last processed
Wed Oct 15 11:25:41 2014
Method selected
RH08
Propagation delay to Earth [minutes]
94.327 ± 3.262

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -562.3 ± 16.2 -664.1 ± 7.3
Vy GSE [km/s] 77.7 ± 12.6 -12.3 ± 4.1
Vz GSE [km/s] 8.0 ± 31.3 -7.3 ± 6.6
Wi [km/s] 80.1 ± 1.5 60.4 ± 4.0
We [km/s] 2534.5 ± 48.8 1910.7 ± 127.7
Ni [n/cc] 10.0 ± 1.2 3.8 ± 0.2
Bx GSE [nT] 6.0 ± 2.3 1.1 ± 0.8
By GSE [nT] -10.8 ± 1.0 -6.2 ± 0.3
Bz GSE [nT] 1.1 ± 3.7 -0.0 ± 0.7
Plasma Beta
0.806 ± 0.835
0.720 ± 0.755
Sound Speed [km/s]
103.47 ± 1.99
78.00 ± 5.21
Alfven Speed [km/s]
89.65 ± 4.75
71.78 ± 3.85

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.947 ± 0.314 -0.259 ± 1.098 0.191 ± 0.188 10.99 ± 28.58 195.28 ± 66.43
VC -0.743 ± 0.052 -0.660 ± 0.057 -0.114 ± 0.114 -6.57 ± 12.09 221.62 ± 4.23
MX1 -0.643 ± 0.248 -0.760 ± 0.210 -0.097 ± 0.097 -5.57 ± 8.18 229.75 ± 18.71
MX2 -0.662 ± 0.358 -0.744 ± 0.318 -0.096 ± 0.095 -5.50 ± 10.17 228.34 ± 27.53
MX3 -0.654 ± 0.237 -0.750 ± 0.207 -0.094 ± 0.094 -5.40 ± 7.73 228.91 ± 18.06
RH08 -0.533 ± 0.019 -0.842 ± 0.012 -0.084 ± 0.084 -4.81 ± 1.11 237.66 ± 1.28
RH09 -0.989 ± 0.010 0.148 ± 0.068 0.006 ± 0.006 0.32 ± 4.05 171.48 ± 3.94
RH10 -0.989 ± 0.010 0.148 ± 0.068 0.006 ± 0.006 0.32 ± 4.05 171.48 ± 3.94
Average -0.770 -0.465 -0.035 -2.027 210.564
Median -0.662 -0.660 -0.084 -4.807 228.340
Deviation 0.179 0.418 0.103 5.912 27.167

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 78.3 ± 11.3 439.5 ± 3.6 0.38 ± 0.05
VC 78.4 ± 10.2 276.0 ± 3.7 0.38 ± 0.05
MX1 70.6 ± 10.3 215.0 ± 3.7 0.38 ± 0.05
MX2 71.9 ± 10.3 226.1 ± 3.7 0.38 ± 0.05
MX3 71.3 ± 10.3 221.5 ± 3.7 0.38 ± 0.05
RH08 63.0 ± 10.4 150.2 ± 3.7 0.38 ± 0.05
RH09 54.5 ± 10.2 513.2 ± 2.6 0.38 ± 0.05
RH10 54.5 ± 10.2 513.2 ± 19.8 0.38 ± 0.05
Average 67.8 319.3 0.38
Median 71.3 276.0 0.38
Deviation 9.5 146.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -74.4 ± 19.9 13.8 ± 0.4 18.1 ± 1.0 136.3 ± 3.2 -5.41 ± 1.47 -0.55 ± 0.15
VC -89.4 ± 17.2 13.7 ± 0.4 18.1 ± 1.0 136.3 ± 3.2 -6.53 ± 1.30 -0.66 ± 0.13
MX1 -86.8 ± 17.0 22.8 ± 0.7 29.8 ± 1.6 135.0 ± 3.1 -3.80 ± 0.77 -0.64 ± 0.13
MX2 -87.4 ± 17.0 21.3 ± 0.6 27.9 ± 1.5 135.3 ± 3.1 -4.11 ± 0.83 -0.65 ± 0.13
MX3 -87.3 ± 17.0 22.0 ± 0.7 28.7 ± 1.5 135.2 ± 3.1 -3.98 ± 0.80 -0.65 ± 0.13
RH8 -83.4 ± 16.5 31.6 ± 1.0 40.7 ± 2.2 133.3 ± 3.0 -2.64 ± 0.54 -0.63 ± 0.12
RH9 -54.4 ± 15.3 41.2 ± 1.3 52.0 ± 2.8 130.6 ± 2.9 -1.32 ± 0.38 -0.42 ± 0.12
RH10 -54.4 ± 15.3 41.2 ± 1.3 52.0 ± 2.8 130.6 ± 2.9 -1.32 ± 0.38 -0.42 ± 0.12
Average -77.2 25.9 33.4 134.1 -3.6 -0.6
Median -83.4 22.8 29.8 135.2 -3.8 -0.6
Deviation 14.8 11.0 13.5 2.3 1.8 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -191.2 ± 7.5 10.7 ± 0.3 14.5 ± 0.8 105.6 ± 3.9 -17.87 ± 0.80 -1.81 ± 0.08
VC -226.2 ± 7.7 10.7 ± 0.3 14.5 ± 0.8 105.6 ± 3.9 -21.24 ± 0.94 -2.14 ± 0.10
MX1 -222.1 ± 7.3 17.8 ± 0.6 23.9 ± 1.3 104.6 ± 3.8 -12.51 ± 0.55 -2.13 ± 0.10
MX2 -223.2 ± 7.4 16.6 ± 0.5 22.3 ± 1.2 104.8 ± 3.8 -13.47 ± 0.59 -2.13 ± 0.10
MX3 -222.9 ± 7.4 17.1 ± 0.6 23.0 ± 1.2 104.7 ± 3.8 -13.06 ± 0.57 -2.13 ± 0.10
RH8 -214.8 ± 6.9 24.6 ± 0.8 32.6 ± 1.7 103.2 ± 3.8 -8.74 ± 0.38 -2.08 ± 0.10
RH9 -141.6 ± 6.8 32.0 ± 1.0 41.6 ± 2.2 101.2 ± 3.8 -4.42 ± 0.23 -1.40 ± 0.08
RH10 -141.6 ± 6.8 32.0 ± 1.0 41.6 ± 2.2 101.2 ± 3.8 -4.42 ± 0.23 -1.40 ± 0.08
Average -198.0 20.2 26.8 103.9 -12.0 -1.9
Median -214.8 17.8 23.9 104.7 -12.5 -2.1
Deviation 36.5 8.5 10.8 1.8 6.0 0.3

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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