CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20100461739
Observation time: 02/15/2010 46.73568 1739 [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 2010
Fractional day of year 46.735677
Arrival time of shock [seconds of day] 63562.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 197.155
Y GSE location of spacecraft [Re] -30.525
Z GSE location of spacecraft [Re] -18.787
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0213
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0170
Minimum chisq/dof for RH8,RH9,RH10 4.95, 11.29, 11.77
Event added to database
Tue Sep 24 16:54:14 2013
Event last processed
Wed Sep 25 09:33:19 2013
Method selected
RH08
Propagation delay to Earth [minutes]
80.078 ± 7.148

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -295.0 ± 4.1 -324.2 ± 4.4
Vy GSE [km/s] -13.2 ± 2.3 -31.9 ± 3.6
Vz GSE [km/s] 11.9 ± 11.0 38.3 ± 2.9
Wi [km/s] 19.0 ± 4.1 21.3 ± 1.7
We [km/s] 602.0 ± 128.8 672.8 ± 53.4
Ni [n/cc] 8.5 ± 1.7 14.7 ± 0.9
Bx GSE [nT] -2.1 ± 0.3 -2.4 ± 0.2
By GSE [nT] -6.0 ± 0.5 -8.5 ± 0.5
Bz GSE [nT] -4.0 ± 1.0 -9.2 ± 0.1
Plasma Beta
0.109 ± 0.112
0.087 ± 0.085
Sound Speed [km/s]
24.58 ± 5.26
27.47 ± 2.18
Alfven Speed [km/s]
58.58 ± 17.57
72.36 ± 2.68

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.429 ± 0.140 -0.814 ± 0.078 0.392 ± 0.371 23.08 ± 4.35 242.17 ± 9.81
VC -0.689 ± 0.128 -0.450 ± 0.125 0.568 ± 0.497 34.59 ± 13.16 213.17 ± 8.53
MX1 -0.693 ± 0.101 -0.638 ± 0.109 0.336 ± 0.323 19.64 ± 4.03 222.60 ± 8.93
MX2 -0.711 ± 0.093 -0.621 ± 0.106 0.330 ± 0.317 19.27 ± 4.08 221.15 ± 8.43
MX3 -0.730 ± 0.086 -0.603 ± 0.103 0.323 ± 0.311 18.83 ± 4.19 219.56 ± 8.02
RH08 -0.794 ± 0.015 0.548 ± 0.022 -0.263 ± 0.256 -15.22 ± 0.69 145.40 ± 1.59
RH09 -0.997 ± 0.006 -0.079 ± 0.068 0.017 ± 0.017 0.96 ± 3.90 184.51 ± 3.93
RH10 -0.995 ± 0.007 -0.096 ± 0.068 0.028 ± 0.028 1.60 ± 4.01 185.52 ± 3.92
Average -0.755 -0.344 0.216 12.843 204.260
Median -0.711 -0.450 0.330 19.270 219.559
Deviation 0.183 0.445 0.267 15.840 30.654

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 55.6 ± 4.5 246.2 ± 4.2 1.62 ± 0.09
VC 75.2 ± 4.8 336.4 ± 4.5 1.62 ± 0.09
MX1 58.1 ± 4.8 329.5 ± 4.2 1.62 ± 0.09
MX2 58.4 ± 4.8 334.6 ± 4.2 1.62 ± 0.09
MX3 58.8 ± 4.8 339.9 ± 4.2 1.62 ± 0.09
RH08 85.8 ± 1.7 239.3 ± 2.0 1.62 ± 0.09
RH09 70.3 ± 3.6 379.3 ± 2.9 1.62 ± 0.09
RH10 69.9 ± 3.6 380.6 ± 17.1 1.62 ± 0.09
Average 66.5 323.2 1.62
Median 69.9 336.4 1.62
Deviation 10.6 53.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 104.1 ± 7.8 13.1 ± 2.9 33.1 ± 9.9 62.2 ± 18.0 8.30 ± 1.76 1.78 ± 0.41
VC 120.4 ± 10.0 5.8 ± 1.3 15.0 ± 4.5 63.3 ± 18.2 21.64 ± 4.72 2.02 ± 0.48
MX1 112.6 ± 7.9 12.2 ± 2.7 31.0 ± 9.3 62.4 ± 18.1 9.61 ± 2.01 1.91 ± 0.44
MX2 112.8 ± 7.9 12.1 ± 2.7 30.7 ± 9.2 62.4 ± 18.1 9.72 ± 2.03 1.92 ± 0.44
MX3 112.8 ± 7.8 11.9 ± 2.7 30.4 ± 9.1 62.4 ± 18.1 9.83 ± 2.05 1.92 ± 0.44
RH8 15.3 ± 1.2 1.7 ± 0.4 4.3 ± 1.3 63.5 ± 18.2 9.40 ± 1.31 0.25 ± 0.04
RH9 84.0 ± 4.5 7.7 ± 1.7 19.7 ± 5.9 63.1 ± 18.2 11.38 ± 2.24 1.41 ± 0.31
RH10 85.5 ± 4.6 7.8 ± 1.8 20.2 ± 6.0 63.1 ± 18.2 11.32 ± 2.24 1.43 ± 0.32
Average 93.4 9.0 23.0 62.8 11.4 1.6
Median 112.6 11.9 30.4 63.1 9.8 1.9
Deviation 34.3 4.0 10.1 0.5 4.3 0.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 66.0 ± 2.0 14.8 ± 1.1 40.9 ± 1.5 76.0 ± 2.6 4.50 ± 0.43 0.87 ± 0.05
VC 76.9 ± 2.8 6.6 ± 0.5 18.5 ± 0.7 77.1 ± 2.6 11.76 ± 1.16 1.00 ± 0.04
MX1 71.6 ± 2.1 13.8 ± 1.0 38.2 ± 1.4 76.2 ± 2.6 5.22 ± 0.50 0.94 ± 0.04
MX2 71.7 ± 2.2 13.6 ± 1.0 37.9 ± 1.4 76.2 ± 2.6 5.28 ± 0.51 0.94 ± 0.04
MX3 71.8 ± 2.3 13.5 ± 1.0 37.5 ± 1.4 76.2 ± 2.6 5.35 ± 0.51 0.94 ± 0.04
RH8 9.3 ± 5.1 1.9 ± 0.1 5.3 ± 0.2 77.4 ± 2.6 4.96 ± 2.90 0.12 ± 0.06
RH9 53.1 ± 4.1 8.7 ± 0.6 24.4 ± 0.9 76.9 ± 2.6 6.14 ± 0.75 0.69 ± 0.04
RH10 53.9 ± 4.1 8.9 ± 0.6 24.9 ± 0.9 76.9 ± 2.6 6.10 ± 0.74 0.70 ± 0.04
Average 59.3 10.2 28.4 76.6 6.2 0.8
Median 71.6 13.5 37.5 76.9 5.3 0.9
Deviation 22.0 4.5 12.5 0.5 2.3 0.3

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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