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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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 ± 30.0
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 0003
Upstream field points selected for analysis 0116
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0140
Minimum chisq/dof for RH8,RH9,RH10 36.23, 118.21, 179.14
Event added to database
Fri Sep 20 15:18:53 2013
Event last processed
Tue Sep 24 11:04:04 2013
Method selected
RH08
Propagation delay to Earth [minutes]
82.199 ± 10.148

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -293.5 ± 0.6 -326.0 ± 1.6
Vy GSE [km/s] -13.5 ± 0.4 -30.9 ± 3.3
Vz GSE [km/s] 9.0 ± 1.2 38.7 ± 3.1
Wi [km/s] 18.2 ± 0.5 21.7 ± 1.6
We [km/s] 575.6 ± 14.3 685.8 ± 51.6
Ni [n/cc] 9.1 ± 0.4 15.0 ± 0.5
Bx GSE [nT] -2.5 ± 0.2 -2.3 ± 0.1
By GSE [nT] -5.8 ± 0.1 -8.6 ± 0.5
Bz GSE [nT] -3.5 ± 0.2 -9.1 ± 0.1
Plasma Beta
0.121 ± 0.121
0.092 ± 0.098
Sound Speed [km/s]
23.50 ± 0.58
28.00 ± 2.11
Alfven Speed [km/s]
52.29 ± 1.02
71.75 ± 2.66

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.569 ± 0.057 -0.747 ± 0.044 0.344 ± 0.329 20.10 ± 2.45 232.73 ± 4.29
VC -0.688 ± 0.043 -0.369 ± 0.063 0.625 ± 0.527 38.69 ± 2.97 208.23 ± 5.10
MX1 -0.701 ± 0.031 -0.648 ± 0.033 0.297 ± 0.288 17.28 ± 3.04 222.75 ± 2.57
MX2 -0.723 ± 0.038 -0.628 ± 0.042 0.288 ± 0.279 16.71 ± 3.36 220.96 ± 3.23
MX3 -0.750 ± 0.049 -0.602 ± 0.059 0.275 ± 0.268 15.97 ± 3.81 218.73 ± 4.43
RH08 -0.761 ± 0.019 0.565 ± 0.026 -0.318 ± 0.307 -18.57 ± 0.69 143.40 ± 1.92
RH09 -0.941 ± 0.024 -0.334 ± 0.065 0.061 ± 0.061 3.52 ± 3.80 199.55 ± 3.99
RH10 -0.953 ± 0.021 -0.301 ± 0.065 0.039 ± 0.039 2.24 ± 4.06 197.55 ± 3.91
Average -0.761 -0.383 0.201 11.993 205.487
Median -0.723 -0.369 0.288 16.709 218.731
Deviation 0.129 0.417 0.277 16.670 27.815

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 50.9 ± 2.2 289.5 ± 2.9 1.68 ± 0.11
VC 76.8 ± 2.2 331.9 ± 2.4 1.68 ± 0.11
MX1 51.9 ± 2.2 329.1 ± 2.6 1.68 ± 0.11
MX2 52.2 ± 2.2 335.4 ± 2.6 1.68 ± 0.11
MX3 52.6 ± 2.2 342.7 ± 2.5 1.68 ± 0.11
RH08 87.5 ± 0.2 224.5 ± 2.1 1.68 ± 0.11
RH09 56.0 ± 1.8 379.1 ± 1.8 1.68 ± 0.11
RH10 56.8 ± 1.8 379.8 ± 5.9 1.68 ± 0.11
Average 60.6 326.5 1.68
Median 56.0 335.4 1.68
Deviation 13.7 50.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 109.4 ± 1.1 13.9 ± 0.3 32.9 ± 0.6 55.6 ± 0.9 7.87 ± 0.24 1.97 ± 0.03
VC 119.5 ± 1.3 4.9 ± 0.1 12.0 ± 0.2 57.1 ± 0.9 24.27 ± 0.74 2.09 ± 0.03
MX1 112.0 ± 1.1 13.6 ± 0.3 32.3 ± 0.6 55.7 ± 0.9 8.22 ± 0.25 2.01 ± 0.03
MX2 112.1 ± 1.1 13.5 ± 0.3 32.1 ± 0.6 55.7 ± 0.9 8.29 ± 0.25 2.01 ± 0.03
MX3 112.0 ± 1.1 13.4 ± 0.3 31.7 ± 0.6 55.8 ± 0.9 8.38 ± 0.25 2.01 ± 0.03
RH8 11.6 ± 0.2 0.9 ± 0.0 2.3 ± 0.0 57.3 ± 0.9 12.21 ± 0.27 0.20 ± 0.01
RH9 98.0 ± 0.8 12.3 ± 0.3 29.2 ± 0.6 56.0 ± 0.9 8.00 ± 0.23 1.75 ± 0.03
RH10 95.8 ± 0.8 12.0 ± 0.2 28.6 ± 0.6 56.1 ± 0.9 7.99 ± 0.23 1.71 ± 0.02
Average 96.3 10.6 25.1 56.2 10.7 1.7
Median 112.0 13.4 31.7 56.0 8.3 2.0
Deviation 35.1 4.9 11.5 0.7 5.7 0.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 67.6 ± 1.8 16.8 ± 1.2 45.2 ± 1.7 75.2 ± 2.7 4.04 ± 0.37 0.90 ± 0.05
VC 72.1 ± 1.8 6.0 ± 0.4 16.4 ± 0.6 76.8 ± 2.8 12.09 ± 1.03 0.94 ± 0.04
MX1 69.0 ± 1.3 16.5 ± 1.1 44.3 ± 1.6 75.2 ± 2.7 4.20 ± 0.35 0.92 ± 0.05
MX2 69.0 ± 1.2 16.4 ± 1.1 44.0 ± 1.6 75.3 ± 2.7 4.24 ± 0.35 0.92 ± 0.05
MX3 68.9 ± 1.0 16.2 ± 1.1 43.5 ± 1.6 75.3 ± 2.7 4.28 ± 0.35 0.92 ± 0.04
RH8 6.2 ± 3.3 1.2 ± 0.1 3.2 ± 0.1 77.0 ± 2.8 5.25 ± 2.68 0.08 ± 0.04
RH9 59.8 ± 0.4 14.8 ± 1.0 40.1 ± 1.5 75.6 ± 2.7 4.04 ± 0.25 0.79 ± 0.03
RH10 58.4 ± 0.5 14.5 ± 1.0 39.3 ± 1.5 75.7 ± 2.8 4.03 ± 0.24 0.77 ± 0.02
Average 58.9 12.8 34.5 75.8 5.3 0.8
Median 68.9 16.2 43.5 75.6 4.2 0.9
Deviation 21.8 5.9 15.8 0.7 2.8 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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