CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20131392231
Observation time: 05/19/2013 139.93825 2231 [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 2013
Fractional day of year 139.938247
Arrival time of shock [seconds of day] 81064.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 245.687
Y GSE location of spacecraft [Re] -79.856
Z GSE location of spacecraft [Re] 17.492
Upstream plasma points selected for analysis 0004
Upstream field points selected for analysis 0148
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0131
Minimum chisq/dof for RH8,RH9,RH10 16.91, 31.19, 36.59
Event added to database
Tue Oct 8 15:33:24 2013
Event last processed
Tue Oct 8 17:07:46 2013
Method selected
RH08
Propagation delay to Earth [minutes]
39.070 ± 3.438

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -368.2 ± 4.2 -421.4 ± 8.2
Vy GSE [km/s] -11.9 ± 1.9 -87.3 ± 7.7
Vz GSE [km/s] 7.1 ± 2.9 -34.7 ± 11.4
Wi [km/s] 35.6 ± 1.4 49.1 ± 4.9
We [km/s] 1125.3 ± 43.0 1554.1 ± 154.8
Ni [n/cc] 5.9 ± 0.1 11.8 ± 1.2
Bx GSE [nT] -5.0 ± 0.2 -8.2 ± 0.7
By GSE [nT] 1.6 ± 0.3 8.2 ± 1.0
Bz GSE [nT] -1.6 ± 0.1 -2.3 ± 2.5
Plasma Beta
0.517 ± 0.577
0.417 ± 0.458
Sound Speed [km/s]
45.94 ± 1.76
63.44 ± 6.32
Alfven Speed [km/s]
49.67 ± 2.54
76.98 ± 3.20

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.872 ± 0.086 -0.351 ± 0.071 -0.341 ± 0.327 -19.94 ± 14.85 201.90 ± 4.16
VC -0.526 ± 0.076 -0.746 ± 0.062 -0.410 ± 0.385 -24.18 ± 6.22 234.81 ± 5.53
MX1 -0.810 ± 0.035 -0.397 ± 0.036 -0.432 ± 0.403 -25.60 ± 4.56 206.11 ± 2.29
MX2 -0.791 ± 0.017 -0.411 ± 0.028 -0.454 ± 0.420 -27.02 ± 1.34 207.45 ± 1.99
MX3 -0.779 ± 0.017 -0.420 ± 0.027 -0.466 ± 0.429 -27.76 ± 1.34 208.36 ± 1.94
RH08 -0.867 ± 0.020 -0.342 ± 0.042 -0.363 ± 0.346 -21.29 ± 1.77 201.56 ± 2.77
RH09 -0.984 ± 0.013 -0.112 ± 0.069 -0.140 ± 0.139 -8.03 ± 4.03 186.52 ± 4.01
RH10 -0.987 ± 0.011 -0.113 ± 0.070 -0.117 ± 0.117 -6.74 ± 4.01 186.52 ± 4.07
Average -0.827 -0.361 -0.340 -20.071 204.155
Median -0.810 -0.351 -0.363 -21.292 206.114
Deviation 0.146 0.200 0.138 8.274 15.147

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 36.9 ± 2.6 503.1 ± 2.9 1.99 ± 0.24
VC 66.8 ± 2.4 412.5 ± 5.2 1.99 ± 0.24
MX1 40.8 ± 2.4 490.2 ± 3.3 1.99 ± 0.24
MX2 42.1 ± 2.4 485.5 ± 3.4 1.99 ± 0.24
MX3 43.0 ± 2.4 482.9 ± 3.5 1.99 ± 0.24
RH08 36.6 ± 2.5 501.7 ± 2.9 1.99 ± 0.24
RH09 24.8 ± 2.8 497.2 ± 2.4 1.99 ± 0.24
RH10 25.3 ± 2.8 497.2 ± 9.7 1.99 ± 0.24
Average 39.5 483.8 1.99
Median 40.8 497.2 1.99
Deviation 13.1 29.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 180.2 ± 5.0 30.0 ± 0.8 39.7 ± 2.0 60.7 ± 1.9 6.00 ± 0.24 2.97 ± 0.14
VC 212.9 ± 4.3 13.5 ± 0.4 19.5 ± 1.0 66.3 ± 2.0 15.76 ± 0.57 3.21 ± 0.13
MX1 190.3 ± 5.1 28.0 ± 0.8 37.6 ± 1.9 61.6 ± 1.9 6.80 ± 0.27 3.09 ± 0.14
MX2 192.7 ± 5.1 27.3 ± 0.7 36.8 ± 1.9 61.9 ± 1.9 7.06 ± 0.28 3.11 ± 0.14
MX3 194.4 ± 5.1 26.8 ± 0.7 36.3 ± 1.9 62.1 ± 1.9 7.25 ± 0.28 3.13 ± 0.14
RH8 181.1 ± 5.1 30.2 ± 0.8 39.9 ± 2.0 60.6 ± 1.9 5.99 ± 0.24 2.99 ± 0.14
RH9 134.5 ± 4.6 36.2 ± 1.0 45.1 ± 2.3 57.2 ± 1.8 3.72 ± 0.16 2.35 ± 0.13
RH10 133.4 ± 4.6 35.9 ± 1.0 44.9 ± 2.3 57.4 ± 1.8 3.72 ± 0.16 2.33 ± 0.12
Average 177.4 28.5 37.5 61.0 7.0 2.9
Median 190.3 30.0 39.7 61.6 6.8 3.1
Deviation 28.7 7.1 8.0 2.9 3.8 0.4

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 93.2 ± 3.2 43.2 ± 2.5 61.5 ± 2.6 90.1 ± 0.9 2.16 ± 0.15 1.03 ± 0.03
VC 111.7 ± 3.7 19.5 ± 1.0 30.3 ± 1.3 98.0 ± 1.5 5.73 ± 0.44 1.14 ± 0.05
MX1 99.3 ± 2.4 40.3 ± 2.2 58.2 ± 2.4 91.4 ± 1.0 2.47 ± 0.18 1.09 ± 0.03
MX2 100.7 ± 2.3 39.3 ± 2.2 57.1 ± 2.4 91.9 ± 1.0 2.57 ± 0.19 1.10 ± 0.03
MX3 101.9 ± 2.3 38.7 ± 2.1 56.3 ± 2.3 92.1 ± 1.0 2.64 ± 0.20 1.11 ± 0.03
RH8 94.0 ± 3.1 43.5 ± 2.5 61.8 ± 2.6 90.0 ± 0.9 2.17 ± 0.15 1.04 ± 0.03
RH9 67.9 ± 6.4 51.7 ± 3.4 69.9 ± 2.9 85.5 ± 0.9 1.32 ± 0.12 0.79 ± 0.07
RH10 67.5 ± 6.6 51.4 ± 3.3 69.6 ± 2.9 85.7 ± 0.9 1.32 ± 0.12 0.79 ± 0.07
Average 92.0 40.9 58.1 90.6 2.5 1.0
Median 99.3 43.2 61.5 91.4 2.5 1.1
Deviation 16.0 10.0 12.4 4.0 1.4 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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