CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20010440428
Observation time: 02/13/2001 44.18651 0428 [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 2001
Fractional day of year 44.186510
Arrival time of shock [seconds of day] 16114.5 ± 12.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] -63.350
Y GSE location of spacecraft [Re] 113.808
Z GSE location of spacecraft [Re] -4.807
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0211
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0241
Minimum chisq/dof for RH8,RH9,RH10 6.36, 10.31, 10.84
Event added to database
Mon Feb 14 11:12:27 2005
Event last processed
Mon Mar 30 20:29:41 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-10.190 ± 5.595

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -463.3 ± 8.8 -519.4 ± 14.7
Vy GSE [km/s] 0.9 ± 5.1 -17.2 ± 11.4
Vz GSE [km/s] -32.9 ± 4.3 -65.6 ± 20.2
Wi [km/s] 74.0 ± 7.4 87.9 ± 5.2
We [km/s] 2340.4 ± 234.7 2780.7 ± 163.2
Ni [n/cc] 3.9 ± 0.6 5.8 ± 0.5
Bx GSE [nT] 6.5 ± 0.3 7.2 ± 0.8
By GSE [nT] -3.7 ± 0.3 -6.8 ± 1.1
Bz GSE [nT] -2.2 ± 1.7 -2.9 ± 1.9
Plasma Beta
0.728 ± 0.733
0.856 ± 0.880
Sound Speed [km/s]
95.55 ± 9.58
113.52 ± 6.66
Alfven Speed [km/s]
88.76 ± 8.06
96.21 ± 6.47

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.980 ± 0.096 0.012 ± 0.320 0.199 ± 0.196 11.47 ± 27.76 179.30 ± 18.71
VC -0.830 ± 0.142 -0.264 ± 0.158 -0.492 ± 0.448 -29.45 ± 16.28 197.63 ± 10.48
MX1 -0.957 ± 0.145 -0.088 ± 0.536 -0.276 ± 0.269 -16.02 ± 28.37 185.28 ± 32.06
MX2 -0.880 ± 0.176 -0.238 ± 0.467 -0.412 ± 0.387 -24.31 ± 17.62 195.16 ± 30.35
MX3 -0.903 ± 0.113 -0.174 ± 0.337 -0.392 ± 0.371 -23.08 ± 13.81 190.89 ± 21.34
RH08 -0.978 ± 0.003 0.026 ± 0.013 -0.207 ± 0.204 -11.93 ± 0.95 178.50 ± 0.79
RH09 -0.980 ± 0.014 0.077 ± 0.070 -0.184 ± 0.182 -10.62 ± 4.00 175.49 ± 4.11
RH10 -0.982 ± 0.013 0.077 ± 0.070 -0.173 ± 0.171 -9.97 ± 4.03 175.49 ± 4.10
Average -0.936 -0.071 -0.242 -14.239 184.717
Median -0.957 0.012 -0.207 -11.929 185.280
Deviation 0.058 0.140 0.213 12.600 8.886

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 30.5 ± 2.8 589.3 ± 157.4 1.55 ± 0.25
VC 64.8 ± 7.4 620.7 ± 190.6 1.55 ± 0.25
MX1 47.9 ± 6.5 663.3 ± 187.1 1.55 ± 0.25
MX2 60.0 ± 6.8 646.6 ± 191.7 1.55 ± 0.25
MX3 56.3 ± 7.1 656.9 ± 190.8 1.55 ± 0.25
RH08 40.5 ± 6.7 658.2 ± 179.9 1.55 ± 0.25
RH09 37.6 ± 6.9 651.3 ± 175.9 1.55 ± 0.25
RH10 37.1 ± 6.7 650.6 ± 175.5 1.55 ± 0.25
Average 46.8 642.1 1.55
Median 47.9 651.3 1.55
Deviation 12.4 24.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 141.9 ± 9.3 63.6 ± 4.4 76.5 ± 6.9 114.3 ± 4.2 2.25 ± 0.30 1.24 ± 0.12
VC 220.3 ± 5.3 28.1 ± 1.8 37.8 ± 3.4 127.8 ± 5.5 7.87 ± 0.63 1.73 ± 0.10
MX1 211.0 ± 7.4 46.2 ± 3.0 59.5 ± 5.4 122.4 ± 5.0 4.59 ± 0.43 1.73 ± 0.12
MX2 225.8 ± 5.9 33.3 ± 2.1 44.4 ± 4.0 126.5 ± 5.4 6.81 ± 0.57 1.79 ± 0.11
MX3 225.6 ± 6.4 37.3 ± 2.4 49.3 ± 4.5 125.4 ± 5.3 6.07 ± 0.52 1.80 ± 0.11
RH8 198.3 ± 8.3 53.8 ± 3.5 67.5 ± 6.1 119.3 ± 4.7 3.71 ± 0.38 1.67 ± 0.12
RH9 191.2 ± 8.5 56.7 ± 3.8 70.4 ± 6.4 117.9 ± 4.6 3.39 ± 0.36 1.63 ± 0.12
RH10 190.0 ± 8.6 57.1 ± 3.8 70.8 ± 6.4 117.7 ± 4.6 3.35 ± 0.36 1.62 ± 0.12
Average 200.5 47.0 59.5 121.4 4.8 1.7
Median 211.0 53.8 67.5 122.4 4.6 1.7
Deviation 27.8 12.8 14.2 4.8 2.0 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 93.6 ± 15.5 72.0 ± 2.3 82.9 ± 5.6 130.5 ± 3.9 1.30 ± 0.24 0.72 ± 0.12
VC 152.8 ± 15.5 31.9 ± 0.9 41.0 ± 2.8 145.6 ± 3.9 4.81 ± 0.58 1.05 ± 0.12
MX1 146.6 ± 14.8 52.4 ± 1.5 64.5 ± 4.3 139.5 ± 3.8 2.80 ± 0.34 1.05 ± 0.12
MX2 158.6 ± 15.4 37.8 ± 1.1 48.1 ± 3.2 144.1 ± 3.9 4.21 ± 0.49 1.10 ± 0.12
MX3 158.9 ± 15.2 42.3 ± 1.2 53.4 ± 3.6 142.9 ± 3.8 3.76 ± 0.43 1.11 ± 0.12
RH8 137.0 ± 14.2 60.9 ± 1.8 73.2 ± 4.9 136.0 ± 3.8 2.25 ± 0.28 1.01 ± 0.12
RH9 131.5 ± 13.8 64.2 ± 2.0 76.3 ± 5.1 134.5 ± 3.8 2.05 ± 0.25 0.98 ± 0.11
RH10 130.6 ± 13.9 64.7 ± 2.0 76.7 ± 5.2 134.2 ± 3.8 2.02 ± 0.25 0.97 ± 0.11
Average 138.7 53.3 64.5 138.4 2.9 1.0
Median 146.6 60.9 73.2 139.5 2.8 1.1
Deviation 21.5 14.5 15.3 5.4 1.2 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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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