CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20140461246
Observation time: 02/15/2014 46.53234 1246 [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 2014
Fractional day of year 46.532344
Arrival time of shock [seconds of day] 45994.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 206.307
Y GSE location of spacecraft [Re] 91.605
Z GSE location of spacecraft [Re] -8.210
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0194
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0226
Minimum chisq/dof for RH8,RH9,RH10 3.82, 6.13, 6.53
Event added to database
Wed Jun 11 01:30:21 2014
Event last processed
Wed Jun 11 02:56:58 2014
Method selected
RH08
Propagation delay to Earth [minutes]
35.514 ± 5.048

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -381.5 ± 2.4 -447.9 ± 9.5
Vy GSE [km/s] 2.4 ± 2.0 26.0 ± 5.3
Vz GSE [km/s] -14.8 ± 3.3 -47.5 ± 16.0
Wi [km/s] 35.1 ± 1.9 51.7 ± 3.5
We [km/s] 1108.7 ± 60.4 1633.4 ± 109.9
Ni [n/cc] 6.6 ± 0.4 13.9 ± 1.3
Bx GSE [nT] 2.5 ± 0.3 6.3 ± 1.6
By GSE [nT] 6.2 ± 0.1 12.1 ± 2.4
Bz GSE [nT] 0.3 ± 0.5 -3.4 ± 4.3
Plasma Beta
0.385 ± 0.417
0.357 ± 0.376
Sound Speed [km/s]
45.26 ± 2.47
66.68 ± 4.48
Alfven Speed [km/s]
56.88 ± 2.32
87.13 ± 6.45

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.736 ± 0.599 -0.605 ± 0.710 -0.303 ± 0.294 -17.66 ± 44.37 219.40 ± 54.05
VC -0.854 ± 0.089 0.308 ± 0.083 -0.419 ± 0.393 -24.80 ± 12.26 160.16 ± 5.20
MX1 -0.805 ± 0.133 0.429 ± 0.200 -0.410 ± 0.385 -24.17 ± 13.15 151.95 ± 13.91
MX2 -0.816 ± 0.085 0.344 ± 0.097 -0.464 ± 0.427 -27.65 ± 10.08 157.12 ± 6.45
MX3 -0.817 ± 0.078 0.317 ± 0.076 -0.481 ± 0.440 -28.78 ± 9.32 158.76 ± 4.92
RH08 -0.893 ± 0.016 0.166 ± 0.028 -0.419 ± 0.393 -24.77 ± 2.14 169.47 ± 1.76
RH09 -0.840 ± 0.038 0.111 ± 0.070 -0.531 ± 0.474 -32.05 ± 4.01 172.48 ± 4.78
RH10 -0.860 ± 0.036 0.114 ± 0.070 -0.497 ± 0.451 -29.82 ± 4.03 172.48 ± 4.65
Average -0.828 0.148 -0.441 -26.212 170.227
Median -0.817 0.308 -0.419 -24.796 169.471
Deviation 0.047 0.325 0.070 4.427 21.270

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 31.8 ± 3.8 372.3 ± 2.0 2.12 ± 0.22
VC 86.7 ± 3.6 486.1 ± 2.8 2.12 ± 0.22
MX1 85.8 ± 3.6 467.3 ± 2.7 2.12 ± 0.22
MX2 89.4 ± 3.8 472.9 ± 2.7 2.12 ± 0.22
MX3 87.9 ± 3.8 472.5 ± 2.7 2.12 ± 0.22
RH08 78.3 ± 3.6 499.6 ± 2.7 2.12 ± 0.22
RH09 76.2 ± 3.9 475.7 ± 2.6 2.12 ± 0.22
RH10 76.0 ± 3.8 484.0 ± 17.0 2.12 ± 0.22
Average 76.5 466.3 2.12
Median 85.8 475.7 2.12
Deviation 18.9 39.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 88.3 ± 2.4 34.0 ± 0.9 48.4 ± 2.0 64.3 ± 1.0 2.60 ± 0.09 1.37 ± 0.05
VC 153.4 ± 3.1 2.0 ± 0.0 3.2 ± 0.1 72.7 ± 0.9 76.10 ± 2.71 2.11 ± 0.06
MX1 153.0 ± 3.1 2.6 ± 0.1 4.2 ± 0.2 72.7 ± 0.9 58.92 ± 2.14 2.11 ± 0.06
MX2 153.9 ± 3.1 0.4 ± 0.0 0.6 ± 0.0 72.8 ± 0.9 398.17 ± 14.41 2.12 ± 0.06
MX3 152.9 ± 3.2 1.3 ± 0.0 2.1 ± 0.1 72.7 ± 0.9 117.32 ± 4.26 2.10 ± 0.06
RH8 152.4 ± 3.1 7.2 ± 0.1 11.5 ± 0.5 72.4 ± 0.9 21.17 ± 0.74 2.11 ± 0.06
RH9 147.1 ± 3.2 8.5 ± 0.2 13.6 ± 0.6 72.3 ± 0.9 17.35 ± 0.63 2.04 ± 0.06
RH10 148.2 ± 3.2 8.6 ± 0.2 13.8 ± 0.6 72.2 ± 0.9 17.21 ± 0.61 2.05 ± 0.06
Average 143.7 8.1 12.2 71.5 88.6 2.0
Median 152.9 7.2 11.5 72.7 58.9 2.1
Deviation 22.5 11.0 15.6 2.9 130.8 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 43.8 ± 4.6 50.6 ± 2.9 74.1 ± 5.5 97.4 ± 5.8 0.87 ± 0.10 0.45 ± 0.06
VC 75.7 ± 4.5 3.0 ± 0.2 5.0 ± 0.4 109.8 ± 6.1 25.20 ± 2.20 0.69 ± 0.07
MX1 76.1 ± 4.6 3.9 ± 0.2 6.4 ± 0.5 109.7 ± 6.1 19.65 ± 1.76 0.70 ± 0.07
MX2 76.4 ± 4.5 0.6 ± 0.0 1.0 ± 0.1 109.8 ± 6.1 132.62 ± 11.25 0.70 ± 0.07
MX3 75.5 ± 4.5 1.9 ± 0.1 3.2 ± 0.2 109.8 ± 6.1 38.83 ± 3.26 0.69 ± 0.06
RH8 75.6 ± 4.3 10.8 ± 0.6 17.7 ± 1.3 109.3 ± 6.1 7.04 ± 0.60 0.69 ± 0.06
RH9 71.4 ± 4.3 12.7 ± 0.7 20.8 ± 1.5 109.1 ± 6.1 5.64 ± 0.44 0.66 ± 0.06
RH10 72.2 ± 4.2 12.9 ± 0.7 21.1 ± 1.6 109.1 ± 6.1 5.62 ± 0.45 0.66 ± 0.06
Average 70.8 12.0 18.6 108.0 29.4 0.7
Median 75.6 10.8 17.7 109.7 19.7 0.7
Deviation 11.1 16.4 23.8 4.3 43.6 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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