CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20162161221
Observation time: 08/03/2016 216.51526 1221 [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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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2016
Fractional day of year 216.515260
Arrival time of shock [seconds of day] 44518.5 ± 50.0
Shock type FR
Electron data availability 0
X GSE location of spacecraft [Re] 223.439
Y GSE location of spacecraft [Re] 102.051
Z GSE location of spacecraft [Re] -4.133
Upstream plasma points selected for analysis 0003
Upstream field points selected for analysis 0096
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0200
Minimum chisq/dof for RH8,RH9,RH10 22.52, 70.02, 81.72
Event added to database
Wed Nov 2 16:18:17 2016
Event last processed
Fri Jan 13 16:08:55 2017
Method selected
RH08
Propagation delay to Earth [minutes]
65.290 ± 0.637

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -458.5 ± 1.5 -556.4 ± 8.2
Vy GSE [km/s] -11.8 ± 8.5 -33.9 ± 1.5
Vz GSE [km/s] -15.0 ± 4.2 -16.4 ± 4.4
Wi [km/s] 58.3 ± 2.3 40.1 ± 1.6
We [km/s] 1844.9 ± 74.1 1267.1 ± 49.8
Ni [n/cc] 8.4 ± 0.4 3.9 ± 0.2
Bx GSE [nT] -2.6 ± 1.3 -1.5 ± 0.7
By GSE [nT] 9.9 ± 1.4 6.1 ± 0.2
Bz GSE [nT] -7.2 ± 1.0 -0.7 ± 0.3
Plasma Beta
0.385 ± 0.366
0.332 ± 0.348
Sound Speed [km/s]
75.32 ± 3.03
51.73 ± 2.03
Alfven Speed [km/s]
94.63 ± 5.78
69.88 ± 2.55

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.780 ± 0.630 0.534 ± 0.910 0.328 ± 0.315 19.13 ± 22.75 145.62 ± 66.62
VC -0.975 ± 0.017 -0.221 ± 0.073 -0.015 ± 0.015 -0.88 ± 3.13 192.76 ± 4.28
MX1 -0.965 ± 0.050 -0.261 ± 0.186 0.027 ± 0.027 1.55 ± 6.20 195.12 ± 11.04
MX2 -0.946 ± 0.097 -0.324 ± 0.283 -0.000 ± 0.000 -0.01 ± 3.58 198.90 ± 17.13
MX3 -0.972 ± 0.034 -0.234 ± 0.140 0.037 ± 0.037 2.11 ± 7.90 193.52 ± 8.25
RH08 -0.996 ± 0.001 -0.079 ± 0.016 -0.039 ± 0.039 -2.24 ± 0.83 184.51 ± 0.92
RH09 -0.993 ± 0.008 0.096 ± 0.068 0.061 ± 0.061 3.52 ± 4.03 174.48 ± 3.95
RH10 -0.998 ± 0.005 0.061 ± 0.068 0.028 ± 0.028 1.60 ± 4.06 176.49 ± 3.91
Average -0.953 -0.053 0.053 3.098 182.675
Median -0.972 -0.079 0.028 1.601 192.762
Deviation 0.072 0.282 0.115 6.728 17.400

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 66.8 ± 0.5 291.6 ± 2.4 0.46 ± 0.01
VC 87.6 ± 7.2 365.3 ± 3.3 0.46 ± 0.01
MX1 89.1 ± 7.1 360.0 ± 3.2 0.46 ± 0.01
MX2 86.9 ± 7.5 353.1 ± 3.3 0.46 ± 0.01
MX3 89.9 ± 6.9 362.8 ± 3.2 0.46 ± 0.01
RH08 80.1 ± 6.8 372.0 ± 3.2 0.46 ± 0.01
RH09 75.5 ± 5.5 370.0 ± 2.9 0.46 ± 0.01
RH10 76.0 ± 5.8 372.0 ± 12.3 0.46 ± 0.01
Average 81.5 355.9 0.46
Median 86.9 365.3 0.46
Deviation 8.3 26.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -54.7 ± 5.3 23.6 ± 0.6 37.2 ± 2.3 118.7 ± 3.8 -2.32 ± 0.19 -0.46 ± 0.05
VC -84.6 ± 0.7 2.5 ± 0.1 4.0 ± 0.2 121.0 ± 3.9 -34.44 ± 1.14 -0.70 ± 0.03
MX1 -85.1 ± 0.9 0.9 ± 0.0 1.5 ± 0.1 121.0 ± 3.9 -90.29 ± 3.13 -0.70 ± 0.03
MX2 -84.5 ± 1.5 3.2 ± 0.1 5.1 ± 0.3 121.0 ± 3.9 -26.64 ± 1.07 -0.70 ± 0.03
MX3 -84.9 ± 0.7 0.1 ± 0.0 0.1 ± 0.0 121.0 ± 3.9 ******* ± 45.22 -0.70 ± 0.03
RH8 -86.2 ± 1.0 10.1 ± 0.3 16.2 ± 1.0 120.6 ± 3.9 -8.52 ± 0.24 -0.72 ± 0.03
RH9 -83.4 ± 2.2 14.8 ± 0.4 23.6 ± 1.4 120.1 ± 3.9 -5.64 ± 0.15 -0.69 ± 0.03
RH10 -84.3 ± 2.0 14.4 ± 0.4 23.0 ± 1.4 120.2 ± 3.9 -5.86 ± 0.15 -0.70 ± 0.03
Average -81.0 8.7 13.8 120.4 -195.4 -0.7
Median -84.5 10.1 16.2 121.0 -8.5 -0.7
Deviation 10.7 8.4 13.3 0.8 483.4 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -118.7 ± 6.9 16.6 ± 0.2 27.5 ± 1.0 85.4 ± 1.0 -7.14 ± 0.48 -1.39 ± 0.08
VC -185.0 ± 8.2 1.7 ± 0.0 2.9 ± 0.1 87.0 ± 1.0 -106.67 ± 5.57 -2.13 ± 0.10
MX1 -185.3 ± 8.2 0.7 ± 0.0 1.1 ± 0.0 87.0 ± 1.0 -278.55 ± 14.55 -2.13 ± 0.10
MX2 -184.3 ± 8.0 2.2 ± 0.0 3.8 ± 0.1 87.0 ± 1.0 -82.31 ± 4.25 -2.12 ± 0.10
MX3 -185.2 ± 8.2 0.0 ± 0.0 0.1 ± 0.0 87.0 ± 1.0 ******* ± 225.78 -2.13 ± 0.10
RH8 -185.5 ± 8.2 7.1 ± 0.1 12.0 ± 0.4 86.7 ± 1.0 -25.98 ± 1.36 -2.14 ± 0.10
RH9 -178.5 ± 8.2 10.4 ± 0.1 17.4 ± 0.6 86.4 ± 1.0 -17.10 ± 0.93 -2.07 ± 0.10
RH10 -180.6 ± 8.2 10.1 ± 0.1 17.0 ± 0.6 86.4 ± 1.0 -17.81 ± 0.96 -2.09 ± 0.10
Average -175.4 6.1 10.2 86.6 -603.6 -2.0
Median -184.3 7.1 12.0 87.0 -26.0 -2.1
Deviation 23.0 5.9 9.9 0.6 1493.6 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 Wed Jan 22 21:47:00 2020
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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