CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20010310835
Observation time: 01/31/2001 31.35786 0835 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
Key parameters
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 31.357865
Arrival time of shock [seconds of day] 30919.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] -20.919
Y GSE location of spacecraft [Re] 196.093
Z GSE location of spacecraft [Re] -12.890
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0283
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0252
Minimum chisq/dof for RH8,RH9,RH10 15.27, 48.23, 49.99
Event added to database
Mon Feb 14 11:12:21 2005
Event last processed
Mon Mar 30 20:27:57 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-21.968 ± 2.983

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -350.7 ± 3.2 -418.8 ± 3.9
Vy GSE [km/s] 16.6 ± 2.2 78.5 ± 9.6
Vz GSE [km/s] 4.4 ± 2.6 51.6 ± 2.8
Wi [km/s] 25.8 ± 4.0 37.9 ± 2.0
We [km/s] 816.3 ± 125.8 1198.8 ± 63.6
Ni [n/cc] 6.7 ± 0.6 15.0 ± 1.3
Bx GSE [nT] -5.1 ± 0.1 -10.0 ± 0.8
By GSE [nT] 0.3 ± 0.3 -5.0 ± 1.0
Bz GSE [nT] -1.8 ± 0.3 -8.3 ± 0.8
Plasma Beta
0.331 ± 0.308
0.234 ± 0.237
Sound Speed [km/s]
33.33 ± 5.14
48.94 ± 2.60
Alfven Speed [km/s]
45.49 ± 2.24
79.10 ± 5.89

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.808 ± 0.059 0.569 ± 0.083 0.150 ± 0.149 8.62 ± 4.46 144.85 ± 5.90
VC -0.661 ± 0.044 0.595 ± 0.048 0.457 ± 0.423 27.22 ± 2.62 137.98 ± 3.99
MX1 -0.839 ± 0.035 0.483 ± 0.039 0.249 ± 0.244 14.43 ± 7.47 150.08 ± 2.43
MX2 -0.843 ± 0.037 0.467 ± 0.043 0.266 ± 0.260 15.45 ± 7.29 151.03 ± 2.69
MX3 -0.845 ± 0.038 0.459 ± 0.045 0.274 ± 0.267 15.93 ± 7.23 151.49 ± 2.85
RH08 -0.837 ± 0.018 0.437 ± 0.030 0.330 ± 0.317 19.25 ± 2.00 152.42 ± 2.00
RH09 -0.978 ± 0.015 0.147 ± 0.069 0.151 ± 0.150 8.68 ± 4.03 171.48 ± 4.07
RH10 -0.980 ± 0.014 0.129 ± 0.070 0.151 ± 0.150 8.68 ± 4.03 172.48 ± 4.07
Average -0.849 0.411 0.254 14.781 153.976
Median -0.839 0.467 0.266 15.445 151.489
Deviation 0.101 0.177 0.107 6.427 12.072

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 41.8 ± 4.2 471.4 ± 16.4 2.26 ± 0.17
VC 59.6 ± 4.1 433.1 ± 16.4 2.26 ± 0.17
MX1 42.6 ± 4.1 484.6 ± 16.3 2.26 ± 0.17
MX2 42.8 ± 4.1 486.5 ± 16.2 2.26 ± 0.17
MX3 42.9 ± 4.1 487.3 ± 16.2 2.26 ± 0.17
RH08 45.2 ± 4.0 485.0 ± 16.1 2.26 ± 0.17
RH09 28.5 ± 3.1 499.1 ± 14.3 2.26 ± 0.17
RH10 28.4 ± 3.0 497.9 ± 14.2 2.26 ± 0.17
Average 41.5 480.6 2.26
Median 42.8 486.5 2.26
Deviation 9.9 21.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 177.8 ± 3.0 21.5 ± 2.4 33.9 ± 1.7 52.3 ± 2.9 8.36 ± 1.02 3.41 ± 0.24
VC 189.5 ± 3.2 13.9 ± 1.5 23.0 ± 1.1 54.8 ± 3.2 13.75 ± 1.59 3.47 ± 0.24
MX1 181.1 ± 3.2 21.2 ± 2.4 33.5 ± 1.7 52.4 ± 3.0 8.64 ± 1.06 3.47 ± 0.24
MX2 181.8 ± 3.2 21.1 ± 2.3 33.4 ± 1.6 52.4 ± 3.0 8.72 ± 1.07 3.48 ± 0.24
MX3 182.2 ± 3.3 21.1 ± 2.3 33.3 ± 1.6 52.5 ± 3.0 8.76 ± 1.08 3.48 ± 0.24
RH8 182.9 ± 3.3 20.1 ± 2.2 32.1 ± 1.6 52.8 ± 3.0 9.19 ± 1.12 3.47 ± 0.24
RH9 153.2 ± 3.4 26.6 ± 3.2 40.0 ± 2.0 49.8 ± 2.6 5.84 ± 0.80 3.08 ± 0.22
RH10 151.4 ± 3.4 26.7 ± 3.2 40.0 ± 2.0 49.8 ± 2.6 5.76 ± 0.79 3.05 ± 0.22
Average 175.0 21.5 33.6 52.1 8.6 3.4
Median 181.8 21.2 33.5 52.4 8.7 3.5
Deviation 14.4 4.0 5.3 1.6 2.5 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 80.5 ± 8.0 33.1 ± 1.4 59.0 ± 4.4 87.0 ± 5.0 2.44 ± 0.34 0.93 ± 0.10
VC 86.1 ± 8.0 21.6 ± 0.9 40.0 ± 3.0 90.6 ± 4.9 4.00 ± 0.51 0.95 ± 0.09
MX1 82.3 ± 7.4 32.7 ± 1.4 58.3 ± 4.3 87.2 ± 5.0 2.53 ± 0.33 0.95 ± 0.09
MX2 82.9 ± 7.3 32.5 ± 1.4 58.0 ± 4.3 87.2 ± 5.0 2.56 ± 0.33 0.95 ± 0.09
MX3 83.2 ± 7.2 32.4 ± 1.4 57.9 ± 4.3 87.3 ± 5.0 2.58 ± 0.32 0.96 ± 0.09
RH8 83.3 ± 7.0 31.0 ± 1.3 55.8 ± 4.2 87.8 ± 5.0 2.69 ± 0.33 0.95 ± 0.09
RH9 70.4 ± 4.9 40.6 ± 1.9 69.5 ± 5.2 83.8 ± 5.2 1.74 ± 0.20 0.84 ± 0.07
RH10 69.6 ± 4.8 40.6 ± 1.9 69.6 ± 5.2 83.7 ± 5.3 1.72 ± 0.19 0.83 ± 0.07
Average 79.8 33.1 58.5 86.8 2.5 0.9
Median 82.9 32.7 58.3 87.2 2.6 1.0
Deviation 6.2 6.0 9.2 2.2 0.7 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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