CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20022501622
Observation time: 09/07/2002 250.68210 1622 [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 2002
Fractional day of year 250.682101
Arrival time of shock [seconds of day] 58933.5 ± 9.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 69.502
Y GSE location of spacecraft [Re] 56.716
Z GSE location of spacecraft [Re] 5.150
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0151
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0202
Minimum chisq/dof for RH8,RH9,RH10 119.43, 149.51, 170.50
Event added to database
Sat Mar 12 23:24:18 2005
Event last processed
Mon Mar 30 23:50:19 2009
Method selected
VC
Propagation delay to Earth [minutes]
10.235 ± 7.655

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -404.8 ± 16.4 -592.1 ± 9.6
Vy GSE [km/s] -6.0 ± 4.2 -122.1 ± 12.6
Vz GSE [km/s] -1.6 ± 1.5 2.8 ± 6.4
Wi [km/s] 13.8 ± 5.3 54.7 ± 11.7
We [km/s] 434.9 ± 167.3 1730.7 ± 369.5
Ni [n/cc] 3.5 ± 0.5 5.8 ± 0.6
Bx GSE [nT] 0.8 ± 0.2 1.8 ± 1.0
By GSE [nT] -1.1 ± 0.4 -4.0 ± 0.7
Bz GSE [nT] -8.6 ± 0.9 -22.2 ± 0.9
Plasma Beta
0.019 ± 0.012
0.076 ± 0.066
Sound Speed [km/s]
17.76 ± 6.83
70.65 ± 15.08
Alfven Speed [km/s]
102.82 ± 3.40
205.79 ± 12.17

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.816 ± 0.443 -0.573 ± 0.631 0.070 ± 0.070 4.02 ± 10.52 215.08 ± 44.29
VC -0.849 ± 0.034 -0.528 ± 0.055 0.020 ± 0.020 1.14 ± 1.59 211.86 ± 3.74
MX1 -0.851 ± 0.038 -0.523 ± 0.061 0.053 ± 0.053 3.02 ± 4.23 211.57 ± 4.11
MX2 -0.852 ± 0.039 -0.522 ± 0.063 0.052 ± 0.052 3.01 ± 4.18 211.49 ± 4.26
MX3 -0.852 ± 0.040 -0.521 ± 0.065 0.052 ± 0.052 2.99 ± 4.14 211.44 ± 4.35
RH08 -0.855 ± 0.005 -0.409 ± 0.008 -0.318 ± 0.307 -18.57 ± 0.60 205.57 ± 0.55
RH09 -0.858 ± 0.036 -0.374 ± 0.065 -0.352 ± 0.337 -20.61 ± 4.02 203.57 ± 4.30
RH10 -0.852 ± 0.037 -0.354 ± 0.065 -0.385 ± 0.365 -22.67 ± 4.03 202.56 ± 4.34
Average -0.848 -0.475 -0.101 -5.959 209.142
Median -0.852 -0.521 0.052 2.994 211.488
Deviation 0.013 0.083 0.209 12.212 4.574

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 85.5 ± 2.1 883.4 ± 269.8 1.73 ± 0.26
VC 87.8 ± 2.1 897.0 ± 267.9 1.73 ± 0.26
MX1 85.9 ± 2.1 897.5 ± 267.5 1.73 ± 0.26
MX2 85.9 ± 2.1 897.8 ± 267.4 1.73 ± 0.26
MX3 85.9 ± 2.1 898.0 ± 267.4 1.73 ± 0.26
RH08 73.7 ± 2.1 860.3 ± 245.7 1.73 ± 0.26
RH09 72.0 ± 2.1 851.6 ± 239.8 1.73 ± 0.26
RH10 70.1 ± 2.0 839.8 ± 234.8 1.73 ± 0.26
Average 80.9 878.2 1.73
Median 85.9 897.0 1.73
Deviation 7.5 24.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 549.5 ± 13.3 1.4 ± 0.5 8.1 ± 0.3 104.5 ± 4.6 433.00 ± 113.74 5.27 ± 0.29
VC 550.1 ± 13.9 0.7 ± 0.2 3.9 ± 0.1 104.5 ± 4.6 896.74 ± 236.18 5.28 ± 0.29
MX1 550.0 ± 13.9 1.2 ± 0.5 7.3 ± 0.2 104.5 ± 4.6 478.71 ± 126.09 5.27 ± 0.29
MX2 550.0 ± 13.9 1.2 ± 0.5 7.3 ± 0.2 104.5 ± 4.6 479.32 ± 126.26 5.27 ± 0.29
MX3 550.0 ± 13.9 1.2 ± 0.5 7.3 ± 0.2 104.5 ± 4.6 479.70 ± 126.36 5.27 ± 0.29
RH8 511.2 ± 14.3 4.9 ± 1.8 28.8 ± 1.0 104.4 ± 4.5 113.30 ± 30.12 4.91 ± 0.28
RH9 501.5 ± 14.4 5.4 ± 2.0 31.8 ± 1.1 104.3 ± 4.5 100.89 ± 26.88 4.82 ± 0.28
RH10 492.1 ± 14.3 5.9 ± 2.2 35.0 ± 1.2 104.3 ± 4.5 89.92 ± 24.00 4.73 ± 0.28
Average 531.8 2.7 16.2 104.4 383.9 5.1
Median 550.0 1.4 8.1 104.5 478.7 5.3
Deviation 25.5 2.2 13.1 0.1 275.8 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 329.8 ± 10.5 5.2 ± 1.0 16.2 ± 1.0 218.1 ± 9.5 64.49 ± 10.06 1.51 ± 0.08
VC 329.7 ± 10.2 2.5 ± 0.5 7.9 ± 0.5 218.1 ± 9.5 133.43 ± 21.08 1.51 ± 0.08
MX1 329.7 ± 10.3 4.7 ± 0.9 14.7 ± 0.9 218.1 ± 9.5 71.23 ± 11.24 1.51 ± 0.08
MX2 329.7 ± 10.2 4.7 ± 0.9 14.7 ± 0.9 218.1 ± 9.5 71.32 ± 11.26 1.51 ± 0.08
MX3 329.7 ± 10.2 4.7 ± 0.9 14.7 ± 0.9 218.1 ± 9.5 71.38 ± 11.27 1.51 ± 0.08
RH8 304.9 ± 9.1 18.7 ± 3.4 57.7 ± 3.4 217.3 ± 9.6 16.74 ± 2.79 1.41 ± 0.06
RH9 298.9 ± 9.0 20.6 ± 3.8 63.6 ± 3.8 217.1 ± 9.6 14.89 ± 2.50 1.38 ± 0.06
RH10 293.1 ± 8.9 22.7 ± 4.2 70.0 ± 4.1 216.9 ± 9.7 13.25 ± 2.25 1.35 ± 0.06
Average 318.2 10.5 32.4 217.7 57.1 1.5
Median 329.7 5.2 16.2 218.1 71.2 1.5
Deviation 16.2 8.5 26.3 0.5 41.1 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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