CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20191301705
Observation time: 05/10/2019 130.71203 1705 [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 2019
Fractional day of year 130.712031
Arrival time of shock [seconds of day] 61519.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 201.943
Y GSE location of spacecraft [Re] -45.300
Z GSE location of spacecraft [Re] -1.903
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0289
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0245
Minimum chisq/dof for RH8,RH9,RH10 5.41, 8.94, 9.27
Event added to database
Tue Dec 10 17:13:07 2019
Event last processed
Tue Dec 10 18:59:17 2019
Method selected
RH08
Propagation delay to Earth [minutes]
52.149 ± 0.768

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -331.5 ± 3.4 -373.5 ± 4.0
Vy GSE [km/s] 10.0 ± 1.6 -0.7 ± 2.3
Vz GSE [km/s] -9.7 ± 5.4 -27.9 ± 2.5
Wi [km/s] 26.1 ± 1.2 33.5 ± 2.5
We [km/s] 824.1 ± 36.9 1058.6 ± 79.3
Ni [n/cc] 7.4 ± 0.8 15.6 ± 1.3
Bx GSE [nT] 3.0 ± 0.5 3.4 ± 0.9
By GSE [nT] -3.0 ± 0.4 -6.5 ± 0.9
Bz GSE [nT] -0.9 ± 1.2 -4.4 ± 0.8
Plasma Beta
0.519 ± 0.533
0.494 ± 0.486
Sound Speed [km/s]
33.64 ± 1.50
43.22 ± 3.24
Alfven Speed [km/s]
36.27 ± 1.72
47.95 ± 2.32

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.953 ± 0.142 0.216 ± 0.471 -0.213 ± 0.210 -12.32 ± 25.73 167.20 ± 28.31
VC -0.896 ± 0.041 -0.228 ± 0.045 -0.382 ± 0.362 -22.45 ± 6.10 194.27 ± 2.81
MX1 -0.967 ± 0.035 0.088 ± 0.245 -0.238 ± 0.234 -13.80 ± 6.40 174.82 ± 14.52
MX2 -0.980 ± 0.025 0.026 ± 0.217 -0.196 ± 0.193 -11.29 ± 7.12 178.47 ± 12.67
MX3 -0.986 ± 0.024 -0.012 ± 0.200 -0.166 ± 0.165 -9.58 ± 8.06 180.68 ± 11.64
RH08 -0.993 ± 0.002 0.043 ± 0.018 -0.106 ± 0.106 -6.09 ± 0.99 177.49 ± 1.02
RH09 -0.994 ± 0.007 0.078 ± 0.069 -0.073 ± 0.072 -4.16 ± 4.03 175.49 ± 3.95
RH10 -0.994 ± 0.007 0.078 ± 0.069 -0.073 ± 0.072 -4.16 ± 4.03 175.49 ± 3.95
Average -0.970 0.036 -0.181 -10.482 177.988
Median -0.980 0.078 -0.166 -9.582 177.493
Deviation 0.034 0.126 0.103 6.072 7.668

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 40.6 ± 14.2 398.5 ± 1.8 2.09 ± 0.22
VC 67.8 ± 13.4 386.1 ± 1.8 2.09 ± 0.22
MX1 47.7 ± 13.7 406.7 ± 1.8 2.09 ± 0.22
MX2 49.7 ± 13.0 411.0 ± 1.9 2.09 ± 0.22
MX3 50.9 ± 12.5 412.5 ± 1.9 2.09 ± 0.22
RH08 46.8 ± 12.1 412.6 ± 1.9 2.09 ± 0.22
RH09 44.3 ± 11.9 411.2 ± 1.9 2.09 ± 0.22
RH10 44.3 ± 11.9 411.2 ± 12.0 2.09 ± 0.22
Average 49.0 406.2 2.09
Median 47.7 411.2 2.09
Deviation 8.3 9.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 78.4 ± 4.0 20.6 ± 0.8 27.5 ± 1.3 45.0 ± 1.6 3.82 ± 0.32 1.75 ± 0.14
VC 87.7 ± 5.3 9.5 ± 0.3 13.7 ± 0.6 48.6 ± 1.8 9.26 ± 0.85 1.81 ± 0.16
MX1 82.8 ± 4.3 17.8 ± 0.7 24.4 ± 1.2 46.2 ± 1.7 4.67 ± 0.39 1.80 ± 0.15
MX2 83.8 ± 4.3 17.0 ± 0.6 23.5 ± 1.1 46.5 ± 1.7 4.94 ± 0.41 1.81 ± 0.15
MX3 84.1 ± 4.2 16.5 ± 0.6 22.9 ± 1.1 46.7 ± 1.7 5.12 ± 0.42 1.81 ± 0.15
RH8 81.7 ± 3.9 18.1 ± 0.7 24.8 ± 1.2 46.0 ± 1.7 4.52 ± 0.36 1.78 ± 0.14
RH9 80.1 ± 3.6 19.1 ± 0.7 25.9 ± 1.2 45.6 ± 1.7 4.20 ± 0.33 1.76 ± 0.14
RH10 80.1 ± 3.6 19.1 ± 0.7 25.9 ± 1.2 45.6 ± 1.7 4.20 ± 0.33 1.76 ± 0.14
Average 82.3 17.2 23.6 46.3 5.1 1.8
Median 82.8 18.1 24.8 46.2 4.7 1.8
Deviation 2.9 3.4 4.3 1.1 1.7 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 36.9 ± 3.4 26.7 ± 1.3 36.4 ± 1.8 58.9 ± 2.2 1.38 ± 0.12 0.63 ± 0.06
VC 40.8 ± 3.4 12.3 ± 0.6 18.1 ± 0.9 63.4 ± 2.5 3.31 ± 0.26 0.64 ± 0.05
MX1 38.9 ± 3.5 23.1 ± 1.1 32.3 ± 1.6 60.3 ± 2.3 1.69 ± 0.15 0.65 ± 0.06
MX2 39.4 ± 3.7 22.0 ± 1.0 31.0 ± 1.5 60.7 ± 2.3 1.79 ± 0.16 0.65 ± 0.06
MX3 39.6 ± 3.7 21.4 ± 1.0 30.2 ± 1.5 61.0 ± 2.4 1.85 ± 0.17 0.65 ± 0.06
RH8 38.6 ± 3.8 23.5 ± 1.1 32.8 ± 1.6 60.2 ± 2.3 1.64 ± 0.16 0.64 ± 0.07
RH9 37.9 ± 3.8 24.8 ± 1.2 34.3 ± 1.7 59.7 ± 2.3 1.53 ± 0.15 0.64 ± 0.07
RH10 37.9 ± 3.8 24.8 ± 1.2 34.3 ± 1.7 59.7 ± 2.3 1.53 ± 0.15 0.64 ± 0.07
Average 38.8 22.3 31.2 60.5 1.8 0.6
Median 38.9 23.5 32.8 60.3 1.7 0.6
Deviation 1.2 4.4 5.6 1.4 0.6 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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