CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20193201205
Observation time: 11/16/2019 320.50398 1205 [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 2019
Fractional day of year 320.503976
Arrival time of shock [seconds of day] 43543.5 ± 30.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 195.218
Y GSE location of spacecraft [Re] -11.666
Z GSE location of spacecraft [Re] -3.472
Upstream plasma points selected for analysis 0012
Upstream field points selected for analysis 0395
Downstream plasma points selected for analysis 0018
Downstream field points selected for analysis 0598
Minimum chisq/dof for RH8,RH9,RH10 5.43, 13.97, 14.24
Event added to database
Wed Jan 12 10:40:53 2022
Event last processed
Fri Jan 14 11:02:33 2022
Method selected
RH08
Propagation delay to Earth [minutes]
48.234 ± 1.779

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -350.3 ± 2.0 -377.9 ± 1.4
Vy GSE [km/s] -5.5 ± 1.9 -11.0 ± 1.7
Vz GSE [km/s] -1.0 ± 1.4 -3.8 ± 2.5
Wi [km/s] 17.8 ± 0.6 23.4 ± 0.8
We [km/s] 562.3 ± 18.5 738.8 ± 25.9
Ni [n/cc] 6.3 ± 0.5 12.3 ± 0.7
Bx GSE [nT] 1.3 ± 0.3 -0.1 ± 0.3
By GSE [nT] 0.8 ± 0.8 4.2 ± 0.2
Bz GSE [nT] -2.0 ± 0.5 -1.1 ± 0.8
Plasma Beta
0.576 ± 0.566
0.720 ± 0.725
Sound Speed [km/s]
22.95 ± 0.75
30.16 ± 1.06
Alfven Speed [km/s]
23.68 ± 1.68
27.70 ± 1.56

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.541 ± 0.180 -0.441 ± 0.177 0.716 ± 0.557 45.75 ± 14.82 219.21 ± 14.03
VC -0.976 ± 0.019 -0.191 ± 0.080 -0.102 ± 0.102 -5.87 ± 5.77 191.08 ± 4.72
MX1 -0.942 ± 0.121 -0.289 ± 0.233 -0.171 ± 0.169 -9.85 ± 34.29 197.06 ± 14.03
MX2 -0.932 ± 0.043 -0.361 ± 0.111 -0.047 ± 0.047 -2.72 ± 6.62 201.16 ± 6.84
MX3 -0.931 ± 0.040 -0.343 ± 0.102 -0.124 ± 0.123 -7.12 ± 6.66 200.20 ± 6.28
RH08 -0.947 ± 0.004 -0.263 ± 0.014 -0.184 ± 0.182 -10.62 ± 0.38 195.54 ± 0.82
RH09 -0.847 ± 0.037 -0.387 ± 0.064 -0.363 ± 0.346 -21.29 ± 4.04 204.57 ± 4.30
RH10 -0.862 ± 0.036 -0.376 ± 0.065 -0.341 ± 0.327 -19.92 ± 4.02 203.57 ± 4.29
Average -0.872 -0.331 -0.077 -3.957 201.549
Median -0.931 -0.343 -0.124 -7.121 201.163
Deviation 0.141 0.079 0.339 21.114 8.392

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 20.0 ± 7.7 222.3 ± 0.3 1.92 ± 0.15
VC 62.5 ± 5.1 400.4 ± 0.4 1.92 ± 0.15
MX1 64.9 ± 5.5 388.7 ± 0.4 1.92 ± 0.15
MX2 57.7 ± 5.7 385.2 ± 0.3 1.92 ± 0.15
MX3 61.9 ± 5.8 385.0 ± 0.4 1.92 ± 0.15
RH08 65.9 ± 5.4 390.4 ± 0.4 1.92 ± 0.15
RH09 74.6 ± 7.9 353.3 ± 0.4 1.92 ± 0.15
RH10 73.4 ± 7.5 358.8 ± 5.3 1.92 ± 0.15
Average 60.1 360.5 1.92
Median 64.9 385.2 1.92
Deviation 17.2 58.1 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 31.2 ± 2.4 18.8 ± 0.5 22.3 ± 1.6 27.2 ± 0.8 1.66 ± 0.15 1.15 ± 0.11
VC 57.3 ± 2.2 7.8 ± 0.2 10.9 ± 0.8 32.1 ± 0.9 7.34 ± 0.35 1.79 ± 0.09
MX1 57.0 ± 2.3 7.1 ± 0.2 10.0 ± 0.7 32.2 ± 0.9 7.99 ± 0.38 1.77 ± 0.09
MX2 56.8 ± 2.4 9.1 ± 0.2 12.6 ± 0.9 31.7 ± 0.9 6.23 ± 0.32 1.79 ± 0.09
MX3 56.7 ± 2.4 8.0 ± 0.2 11.2 ± 0.8 32.0 ± 0.9 7.12 ± 0.36 1.77 ± 0.09
RH8 57.0 ± 2.2 6.9 ± 0.2 9.7 ± 0.7 32.3 ± 0.9 8.31 ± 0.39 1.77 ± 0.09
RH9 54.0 ± 2.2 4.4 ± 0.1 6.3 ± 0.4 32.7 ± 0.9 12.25 ± 0.57 1.65 ± 0.08
RH10 54.5 ± 2.2 4.7 ± 0.1 6.8 ± 0.5 32.7 ± 0.9 11.48 ± 0.54 1.67 ± 0.08
Average 53.1 8.4 11.2 31.6 7.8 1.7
Median 56.8 7.8 10.9 32.2 8.0 1.8
Deviation 8.9 4.5 5.0 1.8 3.3 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 15.9 ± 2.3 23.2 ± 0.7 26.0 ± 1.5 33.7 ± 0.9 0.68 ± 0.09 0.47 ± 0.07
VC 29.0 ± 1.4 9.7 ± 0.3 12.8 ± 0.7 39.8 ± 1.1 3.00 ± 0.17 0.73 ± 0.04
MX1 29.0 ± 1.4 8.8 ± 0.3 11.8 ± 0.7 40.0 ± 1.1 3.28 ± 0.18 0.73 ± 0.04
MX2 29.0 ± 1.5 11.3 ± 0.3 14.8 ± 0.8 39.4 ± 1.1 2.57 ± 0.14 0.74 ± 0.04
MX3 28.9 ± 1.4 9.9 ± 0.3 13.0 ± 0.7 39.8 ± 1.1 2.92 ± 0.16 0.73 ± 0.04
RH8 29.0 ± 1.4 8.5 ± 0.2 11.3 ± 0.6 40.1 ± 1.1 3.41 ± 0.19 0.72 ± 0.04
RH9 27.5 ± 1.4 5.5 ± 0.2 7.4 ± 0.4 40.6 ± 1.1 5.04 ± 0.30 0.68 ± 0.04
RH10 27.8 ± 1.4 5.9 ± 0.2 7.9 ± 0.4 40.6 ± 1.1 4.72 ± 0.28 0.69 ± 0.04
Average 27.0 10.4 13.1 39.2 3.2 0.7
Median 29.0 9.7 12.8 40.0 3.3 0.7
Deviation 4.5 5.6 5.8 2.3 1.3 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 Jan 14 13:41:48 2022
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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