CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20160741616
Observation time: 03/14/2016 74.67814 1616 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
Key parameters
Wave speed and Mach numbers
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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2016
Fractional day of year 74.678142
Arrival time of shock [seconds of day] 58591.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 257.858
Y GSE location of spacecraft [Re] 30.560
Z GSE location of spacecraft [Re] 12.866
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0176
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0091
Minimum chisq/dof for RH8,RH9,RH10 5.82, 9.99, 12.07
Event added to database
Thu Apr 28 10:03:37 2016
Event last processed
Tue May 17 17:35:26 2016
Method selected
RH08
Propagation delay to Earth [minutes]
58.062 ± 3.074

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -366.8 ± 2.3 -387.9 ± 5.7
Vy GSE [km/s] -31.0 ± 1.7 -52.2 ± 4.8
Vz GSE [km/s] 18.6 ± 3.1 31.7 ± 7.9
Wi [km/s] 30.3 ± 2.0 33.3 ± 1.2
We [km/s] 959.5 ± 63.6 1054.1 ± 38.6
Ni [n/cc] 13.8 ± 0.5 23.0 ± 2.4
Bx GSE [nT] -4.4 ± 0.7 -6.8 ± 0.7
By GSE [nT] 3.2 ± 0.6 7.4 ± 1.1
Bz GSE [nT] 1.8 ± 0.4 2.1 ± 1.2
Plasma Beta
0.820 ± 0.754
0.522 ± 0.445
Sound Speed [km/s]
39.17 ± 2.60
43.03 ± 1.58
Alfven Speed [km/s]
33.76 ± 1.51
46.83 ± 4.46

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.811 ± 0.258 -0.499 ± 0.310 0.305 ± 0.295 17.78 ± 41.37 211.58 ± 20.29
VC -0.640 ± 0.122 -0.650 ± 0.122 0.410 ± 0.385 24.19 ± 14.37 225.45 ± 8.71
MX1 -0.790 ± 0.113 -0.426 ± 0.140 0.441 ± 0.410 26.19 ± 12.88 208.37 ± 9.58
MX2 -0.788 ± 0.110 -0.429 ± 0.139 0.441 ± 0.410 26.18 ± 12.32 208.58 ± 9.55
MX3 -0.786 ± 0.109 -0.432 ± 0.138 0.443 ± 0.411 26.27 ± 12.06 208.80 ± 9.50
RH08 -0.867 ± 0.023 -0.453 ± 0.041 0.207 ± 0.204 11.93 ± 2.71 207.58 ± 2.69
RH09 -0.892 ± 0.032 -0.427 ± 0.063 0.151 ± 0.150 8.68 ± 4.03 205.57 ± 4.07
RH10 -0.892 ± 0.032 -0.427 ± 0.063 0.151 ± 0.150 8.68 ± 4.03 205.57 ± 4.07
Average -0.808 -0.468 0.319 18.736 210.187
Median -0.790 -0.429 0.410 24.187 208.583
Deviation 0.082 0.078 0.132 7.992 6.460

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 63.9 ± 7.6 398.0 ± 1.8 1.69 ± 0.09
VC 75.2 ± 6.9 343.9 ± 2.1 1.69 ± 0.09
MX1 59.7 ± 6.9 391.3 ± 2.2 1.69 ± 0.09
MX2 59.9 ± 6.9 391.0 ± 2.2 1.69 ± 0.09
MX3 60.1 ± 6.9 390.4 ± 2.2 1.69 ± 0.09
RH08 61.4 ± 8.1 412.5 ± 1.7 1.69 ± 0.09
RH09 60.4 ± 8.3 417.6 ± 1.8 1.69 ± 0.09
RH10 60.4 ± 8.3 417.6 ± 6.6 1.69 ± 0.09
Average 62.6 395.3 1.69
Median 60.4 398.0 1.69
Deviation 5.3 23.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 79.2 ± 1.7 11.5 ± 0.3 14.8 ± 0.7 50.5 ± 1.7 6.89 ± 0.12 1.57 ± 0.03
VC 81.4 ± 1.4 6.6 ± 0.2 8.6 ± 0.4 51.3 ± 1.7 12.37 ± 0.17 1.59 ± 0.03
MX1 80.3 ± 1.2 13.3 ± 0.4 17.0 ± 0.8 50.0 ± 1.7 6.03 ± 0.10 1.61 ± 0.04
MX2 80.4 ± 1.2 13.2 ± 0.3 16.9 ± 0.8 50.0 ± 1.7 6.08 ± 0.10 1.61 ± 0.04
MX3 80.5 ± 1.2 13.2 ± 0.3 16.8 ± 0.8 50.1 ± 1.7 6.12 ± 0.10 1.61 ± 0.04
RH8 76.5 ± 2.0 12.6 ± 0.3 16.1 ± 0.7 50.2 ± 1.7 6.09 ± 0.13 1.52 ± 0.02
RH9 74.5 ± 2.2 13.0 ± 0.3 16.7 ± 0.7 50.1 ± 1.7 5.71 ± 0.13 1.49 ± 0.02
RH10 74.5 ± 2.2 13.0 ± 0.3 16.7 ± 0.7 50.1 ± 1.7 5.71 ± 0.13 1.49 ± 0.02
Average 78.4 12.1 15.5 50.3 6.9 1.6
Median 80.3 13.0 16.7 50.1 6.1 1.6
Deviation 2.8 2.3 2.9 0.4 2.2 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 47.6 ± 3.5 14.2 ± 0.4 20.6 ± 2.0 62.1 ± 2.2 3.35 ± 0.27 0.77 ± 0.06
VC 48.7 ± 2.2 8.1 ± 0.2 12.0 ± 1.1 63.2 ± 2.2 5.99 ± 0.36 0.77 ± 0.05
MX1 48.9 ± 2.6 16.5 ± 0.5 23.6 ± 2.3 61.5 ± 2.2 2.96 ± 0.16 0.79 ± 0.04
MX2 48.9 ± 2.6 16.4 ± 0.5 23.5 ± 2.2 61.6 ± 2.2 2.99 ± 0.16 0.80 ± 0.04
MX3 49.1 ± 2.6 16.3 ± 0.5 23.4 ± 2.2 61.6 ± 2.2 3.01 ± 0.16 0.80 ± 0.04
RH8 45.9 ± 4.4 15.6 ± 0.5 22.4 ± 2.1 61.8 ± 2.2 2.95 ± 0.30 0.74 ± 0.08
RH9 44.7 ± 4.8 16.1 ± 0.5 23.2 ± 2.2 61.6 ± 2.2 2.77 ± 0.32 0.73 ± 0.08
RH10 44.7 ± 4.8 16.1 ± 0.5 23.2 ± 2.2 61.6 ± 2.2 2.77 ± 0.32 0.73 ± 0.08
Average 47.3 14.9 21.5 61.9 3.4 0.8
Median 48.7 16.1 23.2 61.6 3.0 0.8
Deviation 1.9 2.8 4.0 0.6 1.1 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 Wed Jan 22 21:47:00 2020
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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