CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20011011617
Observation time: 04/11/2001 101.67915 1617 [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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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2001
Fractional day of year 101.679149
Arrival time of shock [seconds of day] 58678.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 3.710
Y GSE location of spacecraft [Re] -262.450
Z GSE location of spacecraft [Re] -0.530
Upstream plasma points selected for analysis 0011
Upstream field points selected for analysis 0336
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0321
Minimum chisq/dof for RH8,RH9,RH10 9.31, 14.65, 14.97
Event added to database
Mon Feb 14 11:13:27 2005
Event last processed
Mon Mar 30 20:50:39 2009
Method selected
RH09
Propagation delay to Earth [minutes]
-14.065 ± 1.994

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -651.0 ± 6.1 -718.1 ± 11.4
Vy GSE [km/s] 26.4 ± 10.4 -43.8 ± 5.7
Vz GSE [km/s] 46.8 ± 19.1 181.5 ± 15.4
Wi [km/s] 131.8 ± 8.2 166.1 ± 6.6
We [km/s] 4167.9 ± 260.0 5252.9 ± 207.9
Ni [n/cc] 14.5 ± 1.6 32.3 ± 1.4
Bx GSE [nT] 13.1 ± 1.0 17.4 ± 1.2
By GSE [nT] 3.4 ± 2.1 4.3 ± 2.0
Bz GSE [nT] -0.6 ± 4.4 16.5 ± 2.7
Plasma Beta
2.743 ± 2.583
3.229 ± 3.345
Sound Speed [km/s]
170.15 ± 10.62
214.45 ± 8.49
Alfven Speed [km/s]
82.34 ± 10.54
94.28 ± 10.17

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.938 ± 0.050 -0.267 ± 0.161 0.219 ± 0.216 12.67 ± 5.77 195.91 ± 9.80
VC -0.411 ± 0.093 -0.430 ± 0.094 0.803 ± 0.556 53.46 ± 7.86 226.31 ± 7.01
MX1 -0.938 ± 0.071 -0.273 ± 0.233 0.214 ± 0.211 12.38 ± 5.51 196.23 ± 14.24
MX2 -0.843 ± 0.057 -0.488 ± 0.093 0.227 ± 0.223 13.14 ± 5.57 210.09 ± 6.28
MX3 -0.771 ± 0.096 -0.596 ± 0.123 0.224 ± 0.220 12.96 ± 5.19 217.73 ± 9.07
RH08 -0.968 ± 0.005 -0.233 ± 0.021 0.095 ± 0.095 5.45 ± 0.65 193.54 ± 1.27
RH09 -0.885 ± 0.033 -0.423 ± 0.065 0.196 ± 0.193 11.28 ± 3.96 205.57 ± 4.16
RH10 -0.892 ± 0.032 -0.408 ± 0.065 0.196 ± 0.193 11.28 ± 3.96 204.57 ± 4.16
Average -0.831 -0.390 0.272 16.578 206.242
Median -0.885 -0.408 0.219 12.673 205.571
Deviation 0.181 0.125 0.219 15.111 11.471

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 19.5 ± 8.1 816.0 ± 26.2 2.30 ± 0.25
VC 57.3 ± 14.0 595.0 ± 39.7 2.30 ± 0.25
MX1 19.5 ± 7.9 814.9 ± 26.1 2.30 ± 0.25
MX2 25.9 ± 4.1 766.4 ± 25.1 2.30 ± 0.25
MX3 30.9 ± 3.5 721.3 ± 24.0 2.30 ± 0.25
RH08 17.5 ± 7.9 797.8 ± 24.5 2.30 ± 0.25
RH09 22.7 ± 4.8 783.2 ± 25.0 2.30 ± 0.25
RH10 22.2 ± 5.0 786.9 ± 25.1 2.30 ± 0.25
Average 26.9 760.2 2.30
Median 22.7 786.9 2.30
Deviation 13.0 73.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 202.1 ± 4.5 76.2 ± 9.2 77.6 ± 9.9 173.1 ± 9.7 2.68 ± 0.30 1.17 ± 0.08
VC 301.1 ± 10.8 40.8 ± 4.1 44.5 ± 5.7 184.9 ± 7.5 7.46 ± 0.92 1.63 ± 0.09
MX1 201.6 ± 4.5 76.2 ± 9.2 77.6 ± 9.9 173.1 ± 9.7 2.68 ± 0.30 1.17 ± 0.08
MX2 220.1 ± 4.6 71.9 ± 8.4 74.1 ± 9.5 175.0 ± 9.2 3.09 ± 0.32 1.26 ± 0.08
MX3 224.8 ± 5.0 67.9 ± 7.7 70.7 ± 9.0 176.6 ± 8.9 3.34 ± 0.32 1.28 ± 0.08
RH8 169.5 ± 5.6 77.4 ± 9.4 78.5 ± 10.1 172.6 ± 9.9 2.22 ± 0.23 0.99 ± 0.07
RH9 209.4 ± 4.8 74.1 ± 8.8 75.9 ± 9.7 174.0 ± 9.5 2.86 ± 0.30 1.21 ± 0.08
RH10 207.9 ± 4.8 74.5 ± 8.8 76.2 ± 9.8 173.9 ± 9.5 2.82 ± 0.29 1.20 ± 0.08
Average 217.1 69.9 71.9 175.4 3.4 1.2
Median 209.4 74.5 76.2 174.0 2.9 1.2
Deviation 37.8 12.1 11.3 4.1 1.7 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 90.7 ± 9.0 87.7 ± 9.1 88.9 ± 9.6 217.3 ± 8.0 1.04 ± 0.09 0.42 ± 0.04
VC 135.0 ± 9.0 47.5 ± 4.4 51.0 ± 5.5 229.6 ± 7.2 2.87 ± 0.44 0.59 ± 0.05
MX1 90.5 ± 9.0 87.7 ± 9.1 88.9 ± 9.6 217.3 ± 8.0 1.04 ± 0.09 0.42 ± 0.04
MX2 98.6 ± 7.4 82.9 ± 8.4 84.8 ± 9.2 219.2 ± 7.8 1.19 ± 0.10 0.45 ± 0.03
MX3 100.9 ± 6.5 78.5 ± 7.8 80.9 ± 8.7 220.8 ± 7.6 1.29 ± 0.10 0.46 ± 0.03
RH8 75.4 ± 10.0 88.9 ± 9.3 89.9 ± 9.7 216.8 ± 8.1 0.85 ± 0.09 0.35 ± 0.04
RH9 93.9 ± 8.2 85.4 ± 8.8 86.9 ± 9.4 218.2 ± 7.9 1.10 ± 0.09 0.43 ± 0.04
RH10 93.0 ± 8.3 85.8 ± 8.8 87.3 ± 9.4 218.1 ± 7.9 1.09 ± 0.09 0.43 ± 0.04
Average 97.3 80.6 82.3 219.7 1.3 0.4
Median 93.9 85.8 87.3 218.2 1.1 0.4
Deviation 17.1 13.8 13.0 4.2 0.6 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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