CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20141951338
Observation time: 07/14/2014 195.56818 1338 [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
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2014
Fractional day of year 195.568177
Arrival time of shock [seconds of day] 49090.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 201.475
Y GSE location of spacecraft [Re] 8.106
Z GSE location of spacecraft [Re] -16.085
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0212
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0194
Minimum chisq/dof for RH8,RH9,RH10 5.35, 5.61, 5.90
Event added to database
Mon Sep 8 10:23:52 2014
Event last processed
Mon Sep 8 15:22:21 2014
Method selected
RH08
Propagation delay to Earth [minutes]
49.391 ± 8.165

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -340.5 ± 2.6 -364.5 ± 1.6
Vy GSE [km/s] 6.1 ± 1.9 7.2 ± 4.4
Vz GSE [km/s] -2.6 ± 2.0 13.3 ± 4.8
Wi [km/s] 18.9 ± 0.7 23.0 ± 0.2
We [km/s] 597.2 ± 21.6 726.9 ± 5.7
Ni [n/cc] 27.8 ± 2.9 35.4 ± 3.1
Bx GSE [nT] 1.5 ± 0.9 2.9 ± 0.3
By GSE [nT] -2.6 ± 0.7 -7.2 ± 2.6
Bz GSE [nT] 7.4 ± 0.6 11.5 ± 0.9
Plasma Beta
0.326 ± 0.369
0.199 ± 0.197
Sound Speed [km/s]
24.38 ± 0.88
29.67 ± 0.23
Alfven Speed [km/s]
33.60 ± 3.31
51.83 ± 3.11

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.983 ± 0.168 0.104 ± 1.018 0.153 ± 0.152 8.80 ± 48.67 173.98 ± 59.37
VC -0.841 ± 0.086 0.044 ± 0.156 0.540 ± 0.480 32.66 ± 9.11 177.01 ± 10.66
MX1 -0.882 ± 0.091 0.081 ± 0.177 0.464 ± 0.428 27.65 ± 11.10 174.78 ± 11.46
MX2 -0.875 ± 0.085 0.091 ± 0.191 0.476 ± 0.436 28.39 ± 9.97 174.04 ± 12.49
MX3 -0.867 ± 0.081 0.104 ± 0.209 0.487 ± 0.444 29.13 ± 9.14 173.15 ± 13.82
RH08 -0.695 ± 0.012 -0.576 ± 0.014 -0.430 ± 0.401 -25.48 ± 0.78 219.61 ± 1.09
RH09 -0.695 ± 0.023 -0.576 ± 0.027 -0.430 ± 0.401 -25.48 ± 1.57 219.61 ± 2.15
RH10 -0.691 ± 0.033 -0.572 ± 0.039 -0.441 ± 0.410 -26.19 ± 2.12 219.61 ± 3.07
Average -0.816 -0.162 0.102 6.185 191.475
Median -0.841 0.081 0.464 27.654 177.007
Deviation 0.109 0.342 0.459 27.363 23.325

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 85.2 ± 7.0 470.3 ± 121.8 1.29 ± 0.19
VC 71.3 ± 7.1 431.9 ± 153.7 1.29 ± 0.19
MX1 76.7 ± 7.1 444.7 ± 149.7 1.29 ± 0.19
MX2 76.2 ± 7.2 442.9 ± 150.8 1.29 ± 0.19
MX3 75.7 ± 7.2 440.9 ± 151.9 1.29 ± 0.19
RH08 70.2 ± 5.0 278.1 ± 4.6 1.29 ± 0.19
RH09 70.2 ± 5.0 278.1 ± 4.6 1.29 ± 0.19
RH10 69.6 ± 5.0 274.7 ± 34.5 1.29 ± 0.19
Average 74.4 382.7 1.29
Median 75.7 440.9 1.29
Deviation 5.3 88.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 135.4 ± 2.7 1.6 ± 0.0 2.8 ± 0.3 41.5 ± 2.3 83.01 ± 2.55 3.27 ± 0.17
VC 146.8 ± 2.7 6.4 ± 0.1 10.7 ± 1.1 41.1 ± 2.4 23.09 ± 0.74 3.58 ± 0.20
MX1 145.0 ± 2.7 4.6 ± 0.1 7.7 ± 0.8 41.3 ± 2.4 31.88 ± 1.01 3.52 ± 0.19
MX2 145.6 ± 2.7 4.7 ± 0.1 8.0 ± 0.8 41.3 ± 2.4 30.88 ± 0.98 3.53 ± 0.20
MX3 146.2 ± 2.7 4.9 ± 0.1 8.3 ± 0.8 41.3 ± 2.4 30.03 ± 0.95 3.55 ± 0.20
RH8 43.6 ± 2.2 6.7 ± 0.1 11.4 ± 1.1 41.0 ± 2.4 6.48 ± 0.35 1.07 ± 0.06
RH9 43.6 ± 2.2 6.7 ± 0.1 11.4 ± 1.1 41.0 ± 2.4 6.48 ± 0.35 1.07 ± 0.06
RH10 41.6 ± 2.2 7.0 ± 0.1 11.7 ± 1.2 41.0 ± 2.4 5.98 ± 0.34 1.02 ± 0.06
Average 106.0 5.3 9.0 41.2 27.2 2.6
Median 145.0 6.4 10.7 41.3 30.0 3.5
Deviation 52.3 1.8 3.0 0.2 25.3 1.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 109.3 ± 1.3 2.1 ± 0.0 4.3 ± 0.3 59.7 ± 2.7 51.15 ± 1.16 1.83 ± 0.09
VC 118.0 ± 2.3 8.3 ± 0.1 16.6 ± 1.0 59.2 ± 2.7 14.20 ± 0.48 2.00 ± 0.12
MX1 116.4 ± 2.1 6.0 ± 0.1 11.9 ± 0.7 59.4 ± 2.7 19.55 ± 0.63 1.96 ± 0.12
MX2 117.0 ± 2.2 6.2 ± 0.1 12.4 ± 0.7 59.4 ± 2.7 18.96 ± 0.63 1.97 ± 0.12
MX3 117.5 ± 2.3 6.4 ± 0.1 12.8 ± 0.8 59.4 ± 2.7 18.45 ± 0.63 1.98 ± 0.12
RH8 34.4 ± 5.3 8.8 ± 0.1 17.5 ± 1.1 59.1 ± 2.7 3.90 ± 0.56 0.58 ± 0.07
RH9 34.4 ± 5.3 8.8 ± 0.1 17.5 ± 1.1 59.1 ± 2.7 3.90 ± 0.56 0.58 ± 0.07
RH10 32.7 ± 5.3 9.1 ± 0.2 18.1 ± 1.1 59.0 ± 2.7 3.59 ± 0.54 0.55 ± 0.07
Average 85.0 7.0 13.9 59.3 16.7 1.4
Median 116.4 8.3 16.6 59.4 18.5 2.0
Deviation 42.4 2.3 4.6 0.2 15.6 0.7

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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