CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20002790328
Observation time: 10/05/2000 279.14491 0328 [UT]

Wind spacecraft

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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 2000
Fractional day of year 279.144913
Arrival time of shock [seconds of day] 12520.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 31.910
Y GSE location of spacecraft [Re] -250.616
Z GSE location of spacecraft [Re] -2.736
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0270
Downstream plasma points selected for analysis 0010
Downstream field points selected for analysis 0297
Minimum chisq/dof for RH8,RH9,RH10 9.11, 28.93, 30.30
Event added to database
Mon Feb 14 11:10:38 2005
Event last processed
Mon Mar 30 19:50:50 2009
Method selected
RH08
Propagation delay to Earth [minutes]
2.422 ± 0.473

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -362.8 ± 0.7 -466.1 ± 5.6
Vy GSE [km/s] -33.4 ± 1.2 -41.9 ± 6.0
Vz GSE [km/s] -17.9 ± 1.1 19.6 ± 4.6
Wi [km/s] 25.9 ± 0.9 39.8 ± 2.3
We [km/s] 819.2 ± 29.8 1259.5 ± 73.3
Ni [n/cc] 7.2 ± 0.3 17.1 ± 1.5
Bx GSE [nT] -2.5 ± 0.2 -4.4 ± 0.5
By GSE [nT] -0.4 ± 0.2 -2.8 ± 1.2
Bz GSE [nT] -6.2 ± 0.1 -18.1 ± 0.9
Plasma Beta
0.228 ± 0.232
0.160 ± 0.167
Sound Speed [km/s]
33.44 ± 1.22
51.42 ± 2.99
Alfven Speed [km/s]
54.28 ± 1.09
99.86 ± 3.84

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.878 ± 0.153 0.479 ± 0.280 0.012 ± 0.012 0.69 ± 4.54 151.35 ± 18.31
VC -0.937 ± 0.018 -0.076 ± 0.049 0.341 ± 0.327 19.96 ± 2.88 184.61 ± 2.99
MX1 -0.982 ± 0.009 -0.085 ± 0.047 0.167 ± 0.166 9.62 ± 2.90 184.92 ± 2.74
MX2 -0.980 ± 0.009 -0.103 ± 0.038 0.172 ± 0.170 9.89 ± 2.83 186.02 ± 2.21
MX3 -0.978 ± 0.009 -0.113 ± 0.035 0.174 ± 0.172 10.02 ± 2.81 186.60 ± 2.03
RH08 -0.980 ± 0.002 -0.077 ± 0.009 0.184 ± 0.182 10.62 ± 0.58 184.51 ± 0.55
RH09 -0.995 ± 0.007 -0.044 ± 0.069 0.095 ± 0.095 5.45 ± 4.02 182.51 ± 3.99
RH10 -0.996 ± 0.007 -0.044 ± 0.069 0.084 ± 0.084 4.81 ± 4.02 182.51 ± 3.99
Average -0.966 -0.008 0.154 8.882 180.379
Median -0.980 -0.076 0.172 9.886 184.609
Deviation 0.040 0.198 0.097 5.658 11.818

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 73.2 ± 1.6 450.0 ± 14.9 2.35 ± 0.25
VC 87.8 ± 1.5 522.2 ± 18.5 2.35 ± 0.25
MX1 77.5 ± 1.5 538.1 ± 19.3 2.35 ± 0.25
MX2 77.7 ± 1.5 538.1 ± 19.4 2.35 ± 0.25
MX3 77.8 ± 1.5 538.1 ± 19.4 2.35 ± 0.25
RH08 78.5 ± 1.5 536.9 ± 19.2 2.35 ± 0.25
RH09 73.4 ± 1.5 539.6 ± 19.3 2.35 ± 0.25
RH10 72.7 ± 1.5 539.7 ± 19.3 2.35 ± 0.25
Average 77.3 525.3 2.35
Median 77.7 538.1 2.35
Deviation 4.9 31.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 147.8 ± 0.8 8.3 ± 0.2 15.7 ± 0.3 63.2 ± 1.1 17.83 ± 0.50 2.34 ± 0.04
VC 185.9 ± 0.7 1.1 ± 0.0 2.1 ± 0.0 63.8 ± 1.1 169.86 ± 4.76 2.92 ± 0.05
MX1 181.9 ± 0.7 6.2 ± 0.2 11.8 ± 0.2 63.5 ± 1.1 29.31 ± 0.83 2.87 ± 0.05
MX2 182.3 ± 0.7 6.1 ± 0.2 11.6 ± 0.2 63.5 ± 1.1 29.94 ± 0.84 2.87 ± 0.05
MX3 182.5 ± 0.7 6.0 ± 0.2 11.4 ± 0.2 63.5 ± 1.1 30.28 ± 0.85 2.88 ± 0.05
RH8 182.1 ± 0.7 5.7 ± 0.2 10.8 ± 0.2 63.5 ± 1.1 31.90 ± 0.90 2.87 ± 0.05
RH9 179.0 ± 0.7 8.2 ± 0.2 15.5 ± 0.3 63.2 ± 1.1 21.81 ± 0.62 2.83 ± 0.05
RH10 178.5 ± 0.7 8.5 ± 0.2 16.1 ± 0.3 63.2 ± 1.1 20.96 ± 0.59 2.83 ± 0.05
Average 177.5 6.3 11.9 63.4 44.0 2.8
Median 182.1 6.2 11.8 63.5 29.9 2.9
Deviation 12.2 2.4 4.5 0.2 51.1 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 60.9 ± 3.3 13.3 ± 0.7 28.9 ± 1.1 111.6 ± 4.0 4.59 ± 0.41 0.55 ± 0.04
VC 75.7 ± 5.0 1.8 ± 0.1 3.8 ± 0.1 112.3 ± 4.1 43.19 ± 3.76 0.67 ± 0.05
MX1 73.5 ± 5.6 10.0 ± 0.5 21.7 ± 0.8 111.9 ± 4.1 7.40 ± 0.70 0.66 ± 0.05
MX2 73.8 ± 5.6 9.8 ± 0.5 21.3 ± 0.8 111.9 ± 4.1 7.58 ± 0.72 0.66 ± 0.05
MX3 74.0 ± 5.7 9.7 ± 0.5 21.1 ± 0.8 111.9 ± 4.1 7.67 ± 0.73 0.66 ± 0.05
RH8 73.3 ± 5.5 9.2 ± 0.5 20.0 ± 0.8 112.0 ± 4.1 8.03 ± 0.76 0.66 ± 0.05
RH9 72.4 ± 5.6 13.2 ± 0.7 28.6 ± 1.1 111.6 ± 4.0 5.51 ± 0.53 0.65 ± 0.05
RH10 72.2 ± 5.6 13.7 ± 0.7 29.6 ± 1.1 111.5 ± 4.0 5.30 ± 0.52 0.65 ± 0.05
Average 72.0 10.1 21.9 111.8 11.2 0.6
Median 73.5 10.0 21.7 111.9 7.6 0.7
Deviation 4.6 3.8 8.3 0.3 13.0 0.0

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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