CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20010170407
Observation time: 01/17/2001 17.17214 0407 [UT]

Wind spacecraft

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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 17.172135
Arrival time of shock [seconds of day] 14872.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] -1.320
Y GSE location of spacecraft [Re] 240.364
Z GSE location of spacecraft [Re] -17.030
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0266
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0266
Minimum chisq/dof for RH8,RH9,RH10 5.41, 10.61, 10.80
Event added to database
Mon Feb 14 11:12:00 2005
Event last processed
Mon Mar 30 20:22:44 2009
Method selected
RH08
Propagation delay to Earth [minutes]
13.149 ± 1.199

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -326.6 ± 1.8 -343.0 ± 2.0
Vy GSE [km/s] -2.2 ± 1.6 -12.2 ± 1.5
Vz GSE [km/s] -15.8 ± 1.3 -20.8 ± 1.2
Wi [km/s] 22.5 ± 0.6 24.0 ± 0.6
We [km/s] 711.5 ± 18.7 759.8 ± 18.9
Ni [n/cc] 9.4 ± 0.5 13.6 ± 0.4
Bx GSE [nT] -2.9 ± 0.1 -3.9 ± 0.2
By GSE [nT] 3.5 ± 0.2 4.9 ± 0.2
Bz GSE [nT] 2.2 ± 0.2 3.3 ± 0.6
Plasma Beta
0.387 ± 0.377
0.329 ± 0.339
Sound Speed [km/s]
29.05 ± 0.76
31.02 ± 0.77
Alfven Speed [km/s]
36.25 ± 1.22
42.00 ± 1.44

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.887 ± 0.358 0.215 ± 0.793 -0.409 ± 0.384 -24.11 ± 43.61 166.39 ± 50.97
VC -0.823 ± 0.076 -0.512 ± 0.120 -0.246 ± 0.241 -14.24 ± 4.48 211.88 ± 8.31
MX1 -0.870 ± 0.067 -0.448 ± 0.126 -0.204 ± 0.201 -11.79 ± 6.01 207.26 ± 8.25
MX2 -0.868 ± 0.065 -0.452 ± 0.120 -0.205 ± 0.202 -11.83 ± 5.85 207.48 ± 7.92
MX3 -0.865 ± 0.062 -0.458 ± 0.112 -0.206 ± 0.203 -11.91 ± 5.89 207.90 ± 7.38
RH08 -0.967 ± 0.003 -0.215 ± 0.013 -0.140 ± 0.139 -8.03 ± 0.65 192.53 ± 0.78
RH09 -0.990 ± 0.010 -0.078 ± 0.070 -0.117 ± 0.117 -6.74 ± 4.01 184.51 ± 4.05
RH10 -0.989 ± 0.011 -0.078 ± 0.070 -0.128 ± 0.128 -7.38 ± 4.01 184.51 ± 4.07
Average -0.907 -0.253 -0.207 -12.004 195.308
Median -0.870 -0.215 -0.204 -11.790 207.260
Deviation 0.065 0.259 0.093 5.563 16.040

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 61.4 ± 2.6 342.7 ± 4.8 1.45 ± 0.07
VC 89.3 ± 2.1 338.6 ± 7.1 1.45 ± 0.07
MX1 84.1 ± 2.1 352.7 ± 6.7 1.45 ± 0.07
MX2 84.3 ± 2.1 352.1 ± 6.8 1.45 ± 0.07
MX3 84.8 ± 2.1 351.1 ± 6.8 1.45 ± 0.07
RH08 69.7 ± 2.2 379.2 ± 5.6 1.45 ± 0.07
RH09 62.3 ± 2.2 382.1 ± 5.1 1.45 ± 0.07
RH10 62.7 ± 2.2 381.9 ± 5.1 1.45 ± 0.07
Average 74.8 360.1 1.45
Median 84.1 352.7 1.45
Deviation 11.9 18.1 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 47.0 ± 2.4 11.2 ± 0.1 17.3 ± 0.6 45.1 ± 0.8 4.21 ± 0.16 1.04 ± 0.04
VC 64.7 ± 1.1 0.3 ± 0.0 0.5 ± 0.0 46.5 ± 0.8 223.88 ± 1.70 1.39 ± 0.01
MX1 64.2 ± 1.2 2.3 ± 0.0 3.7 ± 0.1 46.4 ± 0.8 27.77 ± 0.23 1.38 ± 0.01
MX2 64.3 ± 1.2 2.2 ± 0.0 3.6 ± 0.1 46.4 ± 0.8 28.79 ± 0.24 1.39 ± 0.01
MX3 64.4 ± 1.1 2.1 ± 0.0 3.3 ± 0.1 46.4 ± 0.8 31.04 ± 0.26 1.39 ± 0.01
RH8 60.8 ± 1.6 8.0 ± 0.1 12.6 ± 0.4 45.8 ± 0.8 7.64 ± 0.11 1.33 ± 0.02
RH9 56.7 ± 1.8 10.8 ± 0.1 16.8 ± 0.6 45.2 ± 0.8 5.25 ± 0.11 1.26 ± 0.02
RH10 56.8 ± 1.8 10.7 ± 0.1 16.6 ± 0.6 45.2 ± 0.8 5.33 ± 0.11 1.26 ± 0.02
Average 59.9 5.9 9.3 45.9 41.7 1.3
Median 64.2 8.0 12.6 46.4 27.8 1.4
Deviation 6.2 4.6 7.2 0.6 74.5 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 32.6 ± 1.9 12.3 ± 0.2 20.1 ± 0.7 50.8 ± 1.2 2.66 ± 0.13 0.64 ± 0.03
VC 44.9 ± 1.6 0.3 ± 0.0 0.5 ± 0.0 52.2 ± 1.2 141.11 ± 5.12 0.86 ± 0.04
MX1 44.5 ± 1.7 2.5 ± 0.0 4.3 ± 0.1 52.2 ± 1.2 17.48 ± 0.64 0.85 ± 0.04
MX2 44.5 ± 1.7 2.5 ± 0.0 4.1 ± 0.1 52.2 ± 1.2 18.12 ± 0.66 0.85 ± 0.04
MX3 44.6 ± 1.7 2.3 ± 0.0 3.8 ± 0.1 52.2 ± 1.2 19.54 ± 0.71 0.86 ± 0.04
RH8 42.2 ± 1.9 8.8 ± 0.2 14.6 ± 0.5 51.5 ± 1.2 4.81 ± 0.19 0.82 ± 0.04
RH9 39.2 ± 1.9 11.9 ± 0.2 19.5 ± 0.7 50.9 ± 1.2 3.30 ± 0.14 0.77 ± 0.04
RH10 39.3 ± 1.9 11.7 ± 0.2 19.3 ± 0.7 50.9 ± 1.2 3.35 ± 0.14 0.77 ± 0.04
Average 41.5 6.5 10.8 51.6 26.3 0.8
Median 44.5 8.8 14.6 52.2 17.5 0.9
Deviation 4.3 5.1 8.4 0.7 47.0 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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