CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20012150718
Observation time: 08/03/2001 215.30467 0718 [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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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2001
Fractional day of year 215.304670
Arrival time of shock [seconds of day] 26323.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 42.550
Y GSE location of spacecraft [Re] 277.387
Z GSE location of spacecraft [Re] 18.420
Upstream plasma points selected for analysis 0010
Upstream field points selected for analysis 0320
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0252
Minimum chisq/dof for RH8,RH9,RH10 10.04, 15.13, 15.60
Event added to database
Mon Feb 14 11:14:27 2005
Event last processed
Mon Mar 30 21:17:16 2009
Method selected
RH08
Propagation delay to Earth [minutes]
3.462 ± 1.140

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -376.6 ± 1.6 -459.3 ± 5.5
Vy GSE [km/s] 3.3 ± 1.5 5.9 ± 2.0
Vz GSE [km/s] -25.9 ± 1.6 -6.4 ± 4.0
Wi [km/s] 20.2 ± 1.0 57.1 ± 3.6
We [km/s] 638.1 ± 30.6 1805.3 ± 114.3
Ni [n/cc] 7.9 ± 0.9 22.8 ± 1.1
Bx GSE [nT] 3.5 ± 0.1 0.7 ± 1.0
By GSE [nT] -2.3 ± 0.3 -4.7 ± 1.6
Bz GSE [nT] -3.5 ± 0.2 -9.2 ± 0.8
Plasma Beta
0.230 ± 0.252
1.434 ± 1.423
Sound Speed [km/s]
26.05 ± 1.25
73.70 ± 4.67
Alfven Speed [km/s]
42.70 ± 3.52
48.19 ± 3.16

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.890 ± 0.052 0.304 ± 0.121 0.339 ± 0.326 19.84 ± 5.57 161.12 ± 7.79
VC -0.973 ± 0.010 0.031 ± 0.028 0.229 ± 0.225 13.26 ± 2.59 178.16 ± 1.66
MX1 -0.914 ± 0.038 0.158 ± 0.089 0.373 ± 0.355 21.89 ± 5.41 170.17 ± 5.54
MX2 -0.914 ± 0.041 0.128 ± 0.053 0.385 ± 0.365 22.66 ± 6.00 172.05 ± 3.32
MX3 -0.914 ± 0.043 0.112 ± 0.049 0.391 ± 0.370 23.00 ± 6.27 173.00 ± 3.07
RH08 -0.973 ± 0.003 0.077 ± 0.009 0.218 ± 0.214 12.58 ± 0.73 175.49 ± 0.54
RH09 -0.975 ± 0.015 0.077 ± 0.071 0.207 ± 0.204 11.93 ± 3.97 175.49 ± 4.16
RH10 -0.978 ± 0.015 0.077 ± 0.071 0.196 ± 0.193 11.28 ± 3.96 175.49 ± 4.16
Average -0.941 0.121 0.292 17.054 172.622
Median -0.914 0.112 0.339 19.838 175.487
Deviation 0.037 0.084 0.087 5.237 5.266

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 24.0 ± 2.3 451.9 ± 11.5 2.72 ± 0.20
VC 38.5 ± 2.7 490.3 ± 12.3 2.72 ± 0.20
MX1 27.0 ± 2.7 463.0 ± 11.9 2.72 ± 0.20
MX2 27.6 ± 2.7 462.7 ± 11.9 2.72 ± 0.20
MX3 28.0 ± 2.8 462.5 ± 12.0 2.72 ± 0.20
RH08 37.4 ± 2.6 490.6 ± 12.2 2.72 ± 0.20
RH09 38.0 ± 2.6 491.8 ± 12.3 2.72 ± 0.20
RH10 38.5 ± 2.6 493.0 ± 12.3 2.72 ± 0.20
Average 32.4 475.7 2.72
Median 37.4 490.3 2.72
Deviation 6.2 17.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 124.5 ± 1.4 22.8 ± 0.9 39.0 ± 3.2 44.6 ± 3.1 5.47 ± 0.21 2.81 ± 0.22
VC 129.8 ± 1.6 18.7 ± 0.6 33.4 ± 2.8 46.4 ± 2.9 6.94 ± 0.24 2.81 ± 0.20
MX1 127.9 ± 1.5 22.0 ± 0.8 38.0 ± 3.1 45.0 ± 3.1 5.82 ± 0.21 2.86 ± 0.22
MX2 128.1 ± 1.5 21.9 ± 0.8 37.8 ± 3.1 45.0 ± 3.0 5.87 ± 0.21 2.86 ± 0.22
MX3 128.2 ± 1.5 21.8 ± 0.8 37.7 ± 3.1 45.1 ± 3.0 5.90 ± 0.21 2.86 ± 0.22
RH8 129.6 ± 1.5 19.0 ± 0.6 33.9 ± 2.8 46.3 ± 2.9 6.81 ± 0.23 2.81 ± 0.20
RH9 129.6 ± 1.5 18.9 ± 0.6 33.7 ± 2.8 46.4 ± 2.9 6.87 ± 0.24 2.81 ± 0.20
RH10 129.6 ± 1.5 18.7 ± 0.6 33.4 ± 2.8 46.4 ± 2.9 6.93 ± 0.24 2.80 ± 0.20
Average 128.4 20.5 35.9 45.6 6.3 2.8
Median 129.6 21.8 37.7 46.3 6.8 2.8
Deviation 1.8 1.8 2.5 0.8 0.6 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 43.4 ± 5.2 41.8 ± 2.2 44.0 ± 2.9 77.6 ± 4.0 1.04 ± 0.16 0.56 ± 0.06
VC 44.7 ± 5.6 34.1 ± 1.5 37.7 ± 2.5 81.3 ± 3.6 1.32 ± 0.20 0.55 ± 0.07
MX1 44.5 ± 5.5 40.3 ± 2.0 42.9 ± 2.8 78.4 ± 3.9 1.11 ± 0.17 0.57 ± 0.07
MX2 44.7 ± 5.6 40.0 ± 2.0 42.7 ± 2.8 78.5 ± 3.9 1.12 ± 0.17 0.57 ± 0.07
MX3 44.7 ± 5.6 39.8 ± 2.0 42.5 ± 2.8 78.6 ± 3.8 1.13 ± 0.18 0.57 ± 0.07
RH8 44.7 ± 5.6 34.8 ± 1.6 38.3 ± 2.5 81.0 ± 3.6 1.29 ± 0.20 0.55 ± 0.07
RH9 44.7 ± 5.6 34.5 ± 1.5 38.0 ± 2.5 81.1 ± 3.6 1.30 ± 0.20 0.55 ± 0.06
RH10 44.8 ± 5.6 34.2 ± 1.5 37.7 ± 2.5 81.2 ± 3.6 1.32 ± 0.20 0.55 ± 0.06
Average 44.5 37.4 40.5 79.7 1.2 0.6
Median 44.7 39.8 42.5 81.0 1.3 0.6
Deviation 0.5 3.3 2.8 1.6 0.1 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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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