CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20011471445
Observation time: 05/27/2001 147.61509 1445 [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 147.615087
Arrival time of shock [seconds of day] 53143.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 76.326
Y GSE location of spacecraft [Re] -105.149
Z GSE location of spacecraft [Re] -8.530
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0253
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0251
Minimum chisq/dof for RH8,RH9,RH10 7.65, 9.36, 9.57
Event added to database
Mon Feb 14 11:14:06 2005
Event last processed
Mon Mar 30 21:08:11 2009
Method selected
RH08
Propagation delay to Earth [minutes]
14.610 ± 0.597

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -414.8 ± 4.5 -535.9 ± 15.5
Vy GSE [km/s] -22.4 ± 9.5 -13.3 ± 16.5
Vz GSE [km/s] 8.1 ± 17.2 83.8 ± 9.9
Wi [km/s] 43.7 ± 3.2 75.9 ± 5.8
We [km/s] 1381.5 ± 101.6 2398.9 ± 183.4
Ni [n/cc] 1.7 ± 0.2 4.0 ± 0.6
Bx GSE [nT] -3.3 ± 0.4 -4.2 ± 0.9
By GSE [nT] 3.2 ± 0.4 4.3 ± 1.3
Bz GSE [nT] -0.2 ± 1.1 -9.1 ± 1.0
Plasma Beta
0.309 ± 0.322
0.402 ± 0.448
Sound Speed [km/s]
56.40 ± 4.15
97.93 ± 7.49
Alfven Speed [km/s]
79.08 ± 6.43
121.56 ± 12.78

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.731 ± 0.083 0.662 ± 0.091 0.165 ± 0.164 9.52 ± 9.25 137.83 ± 7.02
VC -0.851 ± 0.062 0.054 ± 0.123 0.522 ± 0.468 31.47 ± 6.73 176.36 ± 8.30
MX1 -0.827 ± 0.165 0.544 ± 0.250 0.142 ± 0.141 8.15 ± 7.83 146.66 ± 17.28
MX2 -0.969 ± 0.032 0.212 ± 0.132 0.125 ± 0.124 7.15 ± 6.55 167.64 ± 7.78
MX3 -0.987 ± 0.018 0.110 ± 0.114 0.116 ± 0.115 6.64 ± 6.21 173.64 ± 6.60
RH08 -0.995 ± 0.001 0.096 ± 0.014 -0.028 ± 0.028 -1.60 ± 0.72 174.48 ± 0.83
RH09 -0.994 ± 0.007 0.078 ± 0.069 -0.073 ± 0.072 -4.16 ± 3.28 175.49 ± 3.97
RH10 -0.994 ± 0.007 0.078 ± 0.069 -0.073 ± 0.072 -4.16 ± 3.40 175.49 ± 3.98
Average -0.919 0.229 0.112 6.625 165.948
Median -0.969 0.110 0.125 7.153 174.485
Deviation 0.102 0.237 0.193 11.518 15.061

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 14.1 ± 14.1 482.2 ± 26.9 2.37 ± 0.41
VC 52.0 ± 11.2 607.0 ± 32.2 2.37 ± 0.41
MX1 17.9 ± 11.9 539.3 ± 26.0 2.37 ± 0.41
MX2 35.1 ± 7.3 627.5 ± 24.7 2.37 ± 0.41
MX3 40.4 ± 6.3 638.5 ± 24.4 2.37 ± 0.41
RH08 40.4 ± 4.4 626.1 ± 21.4 2.37 ± 0.41
RH09 41.3 ± 3.9 619.4 ± 20.5 2.37 ± 0.41
RH10 41.3 ± 3.9 619.4 ± 20.5 2.37 ± 0.41
Average 35.3 594.9 2.37
Median 40.4 619.4 2.37
Deviation 12.8 54.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 192.5 ± 9.2 53.2 ± 3.7 76.7 ± 6.2 81.3 ± 6.3 3.63 ± 0.20 2.37 ± 0.11
VC 250.9 ± 11.9 29.6 ± 1.9 48.7 ± 4.0 92.6 ± 6.6 8.48 ± 0.37 2.72 ± 0.12
MX1 207.3 ± 8.3 51.5 ± 3.5 75.2 ± 6.1 82.4 ± 6.3 4.04 ± 0.22 2.52 ± 0.12
MX2 229.2 ± 6.6 41.5 ± 2.7 64.7 ± 5.3 87.9 ± 6.4 5.54 ± 0.30 2.62 ± 0.14
MX3 230.5 ± 6.2 37.9 ± 2.5 60.2 ± 4.9 89.5 ± 6.4 6.10 ± 0.34 2.59 ± 0.15
RH8 215.8 ± 4.3 37.9 ± 2.5 60.3 ± 4.9 89.5 ± 6.4 5.71 ± 0.36 2.42 ± 0.16
RH9 209.3 ± 3.9 37.3 ± 2.4 59.4 ± 4.8 89.7 ± 6.4 5.63 ± 0.37 2.34 ± 0.16
RH10 209.3 ± 3.9 37.3 ± 2.4 59.4 ± 4.8 89.7 ± 6.4 5.63 ± 0.37 2.34 ± 0.16
Average 218.1 40.8 63.1 87.8 5.6 2.5
Median 215.8 37.9 60.3 89.5 5.6 2.5
Deviation 18.1 7.9 9.1 3.9 1.5 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 85.4 ± 21.3 90.4 ± 5.8 117.9 ± 12.4 127.4 ± 11.5 0.95 ± 0.26 0.67 ± 0.14
VC 107.8 ± 15.6 49.2 ± 2.8 74.9 ± 7.9 148.4 ± 10.6 2.20 ± 0.35 0.73 ± 0.10
MX1 91.5 ± 20.8 87.1 ± 5.4 115.7 ± 12.2 129.8 ± 11.2 1.06 ± 0.27 0.70 ± 0.13
MX2 100.5 ± 18.0 69.3 ± 4.0 99.5 ± 10.5 140.2 ± 10.6 1.45 ± 0.28 0.72 ± 0.11
MX3 101.2 ± 16.9 63.1 ± 3.6 92.5 ± 9.7 143.0 ± 10.6 1.61 ± 0.28 0.71 ± 0.10
RH8 96.5 ± 16.5 63.2 ± 3.6 92.6 ± 9.7 143.0 ± 10.6 1.53 ± 0.27 0.67 ± 0.09
RH9 93.7 ± 16.2 62.1 ± 3.5 91.3 ± 9.6 143.5 ± 10.6 1.51 ± 0.27 0.65 ± 0.09
RH10 93.7 ± 16.2 62.1 ± 3.5 91.3 ± 9.6 143.5 ± 10.6 1.51 ± 0.27 0.65 ± 0.09
Average 96.3 68.3 97.0 139.9 1.5 0.7
Median 96.5 63.2 92.6 143.0 1.5 0.7
Deviation 6.9 13.8 14.1 7.3 0.4 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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