CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20011011409
Observation time: 04/11/2001 101.58977 1409 [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 101.589774
Arrival time of shock [seconds of day] 50956.5 ± 15.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 3.680
Y GSE location of spacecraft [Re] -262.380
Z GSE location of spacecraft [Re] -0.500
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0205
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0240
Minimum chisq/dof for RH8,RH9,RH10 4.14, 15.88, 17.10
Event added to database
Mon Feb 14 11:13:23 2005
Event last processed
Mon Mar 30 20:48:40 2009
Method selected
RH08
Propagation delay to Earth [minutes]
0.923 ± 1.410

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -529.1 ± 27.7 -632.1 ± 19.5
Vy GSE [km/s] 34.5 ± 6.1 -46.9 ± 24.6
Vz GSE [km/s] -12.3 ± 10.1 40.7 ± 17.1
Wi [km/s] 58.0 ± 24.2 144.2 ± 9.5
We [km/s] 1834.1 ± 764.7 4560.0 ± 301.2
Ni [n/cc] 2.4 ± 0.8 7.7 ± 1.6
Bx GSE [nT] 4.9 ± 0.4 6.3 ± 1.8
By GSE [nT] 1.6 ± 0.9 -2.7 ± 2.7
Bz GSE [nT] -1.5 ± 0.7 1.5 ± 3.0
Plasma Beta
0.798 ± 0.425
5.318 ± 5.326
Sound Speed [km/s]
74.88 ± 31.22
186.16 ± 12.30
Alfven Speed [km/s]
80.78 ± 21.49
63.74 ± 6.34

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.943 ± 0.089 -0.238 ± 0.269 0.234 ± 0.230 13.56 ± 14.62 194.14 ± 16.30
VC -0.723 ± 0.105 -0.582 ± 0.127 0.371 ± 0.353 21.76 ± 6.20 218.84 ± 9.87
MX1 -0.930 ± 0.148 -0.285 ± 0.456 0.232 ± 0.228 13.44 ± 13.07 197.01 ± 28.08
MX2 -0.924 ± 0.101 -0.301 ± 0.246 0.235 ± 0.230 13.56 ± 15.81 198.04 ± 15.17
MX3 -0.921 ± 0.102 -0.319 ± 0.233 0.222 ± 0.219 12.85 ± 17.34 199.10 ± 14.40
RH08 -0.999 ± 0.002 0.009 ± 0.036 0.050 ± 0.050 2.88 ± 1.83 179.50 ± 2.06
RH09 -0.990 ± 0.010 -0.113 ± 0.069 0.084 ± 0.084 4.81 ± 4.02 186.52 ± 3.99
RH10 -0.990 ± 0.010 -0.113 ± 0.069 0.084 ± 0.084 4.81 ± 4.02 186.52 ± 3.99
Average -0.928 -0.243 0.189 10.958 194.958
Median -0.930 -0.238 0.232 13.439 197.015
Deviation 0.088 0.179 0.108 6.334 11.851

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 10.8 ± 5.2 676.8 ± 29.8 3.60 ± 1.59
VC 21.8 ± 8.0 573.6 ± 36.3 3.60 ± 1.59
MX1 10.9 ± 3.0 673.3 ± 30.6 3.60 ± 1.59
MX2 10.9 ± 2.4 671.4 ± 30.9 3.60 ± 1.59
MX3 11.2 ± 1.8 670.3 ± 31.2 3.60 ± 1.59
RH08 24.2 ± 7.3 679.4 ± 22.9 3.60 ± 1.59
RH09 18.6 ± 6.2 688.2 ± 25.7 3.60 ± 1.59
RH10 18.6 ± 6.2 688.2 ± 25.7 3.60 ± 1.59
Average 15.9 665.1 3.60
Median 18.6 676.8 3.60
Deviation 5.5 37.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 189.1 ± 26.1 56.7 ± 11.3 79.3 ± 21.1 98.3 ± 19.2 3.56 ± 1.42 1.99 ± 0.48
VC 215.5 ± 19.9 51.8 ± 10.0 75.0 ± 19.9 101.3 ± 18.0 4.38 ± 1.44 2.19 ± 0.46
MX1 193.8 ± 25.7 56.7 ± 11.3 79.3 ± 21.1 98.3 ± 19.2 3.64 ± 1.43 2.04 ± 0.48
MX2 195.5 ± 25.5 56.7 ± 11.3 79.3 ± 21.1 98.3 ± 19.2 3.67 ± 1.43 2.05 ± 0.48
MX3 196.6 ± 25.4 56.6 ± 11.3 79.2 ± 21.1 98.4 ± 19.2 3.70 ± 1.44 2.06 ± 0.48
RH8 151.2 ± 27.8 50.5 ± 9.6 73.7 ± 19.6 102.0 ± 17.7 3.20 ± 1.37 1.52 ± 0.36
RH9 169.3 ± 27.4 53.4 ± 10.4 76.6 ± 20.4 100.3 ± 18.3 3.38 ± 1.39 1.73 ± 0.41
RH10 169.3 ± 27.4 53.4 ± 10.4 76.6 ± 20.4 100.3 ± 18.3 3.38 ± 1.39 1.73 ± 0.41
Average 185.0 54.5 77.4 99.7 3.6 1.9
Median 193.8 56.6 79.2 100.3 3.6 2.0
Deviation 20.4 2.5 2.2 1.5 0.4 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 60.3 ± 25.9 62.5 ± 6.2 62.6 ± 6.2 186.6 ± 12.2 0.95 ± 0.37 0.33 ± 0.15
VC 74.0 ± 30.6 58.6 ± 5.7 59.2 ± 5.9 187.9 ± 12.0 1.24 ± 0.45 0.40 ± 0.18
MX1 62.6 ± 26.5 62.4 ± 6.2 62.6 ± 6.2 186.6 ± 12.2 0.99 ± 0.37 0.34 ± 0.15
MX2 63.5 ± 26.7 62.4 ± 6.2 62.6 ± 6.2 186.6 ± 12.2 1.00 ± 0.37 0.35 ± 0.16
MX3 64.0 ± 26.8 62.4 ± 6.1 62.5 ± 6.2 186.6 ± 12.2 1.01 ± 0.37 0.35 ± 0.16
RH8 46.5 ± 20.1 57.5 ± 5.5 58.2 ± 5.8 188.2 ± 11.9 0.80 ± 0.32 0.25 ± 0.11
RH9 53.7 ± 22.4 60.0 ± 5.8 60.4 ± 6.0 187.4 ± 12.1 0.88 ± 0.33 0.29 ± 0.13
RH10 53.7 ± 22.4 60.0 ± 5.8 60.4 ± 6.0 187.4 ± 12.1 0.88 ± 0.33 0.29 ± 0.13
Average 59.8 60.7 61.1 187.2 1.0 0.3
Median 62.6 62.4 62.5 187.4 1.0 0.3
Deviation 8.4 2.0 1.8 0.6 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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