CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20013551410
Observation time: 12/21/2001 355.59047 1410 [UT]

Wind spacecraft

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Asymptotic parameters
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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 355.590469
Arrival time of shock [seconds of day] 51016.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 42.550
Y GSE location of spacecraft [Re] 445.935
Z GSE location of spacecraft [Re] 18.420
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0236
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0278
Minimum chisq/dof for RH8,RH9,RH10 34.55, 40.66, 42.11
Event added to database
Mon Feb 14 11:17:04 2005
Event last processed
Mon Mar 30 22:21:46 2009
Method selected
RH08
Propagation delay to Earth [minutes]
18.263 ± 6.003

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -370.4 ± 5.6 -425.9 ± 8.3
Vy GSE [km/s] -35.3 ± 3.9 -25.6 ± 8.2
Vz GSE [km/s] -6.7 ± 3.6 23.0 ± 10.7
Wi [km/s] 34.5 ± 2.2 51.7 ± 5.9
We [km/s] 1090.8 ± 69.9 1635.3 ± 185.4
Ni [n/cc] 4.2 ± 0.7 6.0 ± 0.4
Bx GSE [nT] -4.0 ± 0.8 -1.5 ± 0.7
By GSE [nT] 7.0 ± 0.7 11.7 ± 0.3
Bz GSE [nT] 3.9 ± 0.8 -1.9 ± 1.5
Plasma Beta
0.134 ± 0.151
0.237 ± 0.241
Sound Speed [km/s]
44.53 ± 2.85
66.76 ± 7.57
Alfven Speed [km/s]
96.54 ± 12.61
107.10 ± 5.77

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.450 ± 0.071 0.782 ± 0.060 0.432 ± 0.403 25.62 ± 6.99 119.92 ± 4.86
VC -0.871 ± 0.094 0.142 ± 0.130 0.469 ± 0.431 27.99 ± 11.27 170.73 ± 8.52
MX1 -0.509 ± 0.320 0.767 ± 0.222 0.390 ± 0.369 22.94 ± 12.51 123.58 ± 23.66
MX2 -0.696 ± 0.061 0.677 ± 0.062 0.240 ± 0.235 13.90 ± 6.13 135.77 ± 4.92
MX3 -0.821 ± 0.042 0.563 ± 0.060 0.089 ± 0.089 5.12 ± 8.22 145.57 ± 4.13
RH08 -0.957 ± 0.003 -0.143 ± 0.000 0.251 ± 0.246 14.56 ± 0.66 188.52 ± 0.00
RH09 -0.963 ± 0.019 -0.144 ± 0.068 0.229 ± 0.225 13.24 ± 4.00 188.52 ± 4.07
RH10 -0.965 ± 0.018 -0.145 ± 0.070 0.218 ± 0.214 12.58 ± 3.96 188.52 ± 4.17
Average -0.779 0.312 0.290 16.993 157.641
Median -0.821 0.563 0.251 14.560 170.726
Deviation 0.207 0.427 0.128 7.751 29.857

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 6.2 ± 5.0 308.1 ± 123.0 1.47 ± 0.30
VC 45.6 ± 2.2 551.7 ± 157.8 1.47 ± 0.30
MX1 7.6 ± 5.3 337.5 ± 127.0 1.47 ± 0.30
MX2 19.8 ± 6.9 421.6 ± 136.9 1.47 ± 0.30
MX3 32.6 ± 6.8 474.5 ± 138.3 1.47 ± 0.30
RH08 65.1 ± 3.0 565.8 ± 141.9 1.47 ± 0.30
RH09 65.6 ± 3.1 566.5 ± 140.8 1.47 ± 0.30
RH10 65.8 ± 3.1 566.2 ± 140.3 1.47 ± 0.30
Average 38.6 474.0 1.47
Median 45.6 551.7 1.47
Deviation 25.7 107.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 172.1 ± 4.9 44.2 ± 2.8 96.0 ± 12.5 96.7 ± 12.6 3.91 ± 0.31 1.80 ± 0.22
VC 237.1 ± 5.2 29.3 ± 1.6 67.5 ± 8.8 102.3 ± 11.7 8.11 ± 0.52 2.34 ± 0.23
MX1 178.6 ± 4.9 44.0 ± 2.8 95.7 ± 12.5 96.8 ± 12.6 4.07 ± 0.32 1.87 ± 0.23
MX2 189.5 ± 5.1 41.2 ± 2.5 90.8 ± 11.9 98.0 ± 12.3 4.61 ± 0.35 1.96 ± 0.22
MX3 190.7 ± 5.3 36.1 ± 2.1 81.3 ± 10.6 100.1 ± 12.0 5.30 ± 0.38 1.93 ± 0.20
RH8 207.9 ± 5.3 17.2 ± 0.9 40.7 ± 5.3 105.1 ± 11.4 12.12 ± 0.73 1.99 ± 0.17
RH9 206.4 ± 5.4 16.9 ± 0.9 39.9 ± 5.2 105.1 ± 11.4 12.28 ± 0.74 1.98 ± 0.17
RH10 205.1 ± 5.4 16.7 ± 0.9 39.5 ± 5.2 105.1 ± 11.4 12.32 ± 0.74 1.97 ± 0.17
Average 198.4 30.7 68.9 101.2 7.8 2.0
Median 205.1 36.1 81.3 102.3 8.1 2.0
Deviation 20.4 12.4 25.6 3.7 3.9 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 126.6 ± 7.1 66.1 ± 7.4 106.5 ± 5.7 107.5 ± 5.7 1.94 ± 0.29 1.18 ± 0.11
VC 173.4 ± 5.5 41.8 ± 3.8 74.9 ± 4.0 119.2 ± 5.9 4.18 ± 0.44 1.46 ± 0.10
MX1 131.3 ± 7.5 65.8 ± 7.3 106.2 ± 5.7 107.7 ± 5.7 2.02 ± 0.31 1.22 ± 0.12
MX2 137.1 ± 8.8 60.7 ± 6.3 100.8 ± 5.4 110.7 ± 5.6 2.29 ± 0.35 1.24 ± 0.12
MX3 137.0 ± 9.9 52.3 ± 5.0 90.2 ± 4.9 115.0 ± 5.7 2.65 ± 0.41 1.19 ± 0.12
RH8 148.7 ± 5.5 24.2 ± 2.1 45.1 ± 2.4 124.0 ± 6.3 6.18 ± 0.64 1.20 ± 0.08
RH9 147.6 ± 5.7 23.7 ± 2.0 44.3 ± 2.4 124.1 ± 6.3 6.26 ± 0.66 1.19 ± 0.08
RH10 146.4 ± 5.8 23.5 ± 2.0 43.8 ± 2.4 124.2 ± 6.3 6.28 ± 0.66 1.18 ± 0.08
Average 143.5 44.8 76.5 116.6 4.0 1.2
Median 146.4 52.3 90.2 119.2 4.2 1.2
Deviation 14.5 19.0 28.4 7.3 2.0 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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