CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20162012302
Observation time: 07/19/2016 201.95977 2302 [UT]

Wind spacecraft

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Asymptotic parameters
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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 2016
Fractional day of year 201.959774
Arrival time of shock [seconds of day] 82924.5 ± 140.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 209.093
Y GSE location of spacecraft [Re] 87.124
Z GSE location of spacecraft [Re] -9.704
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0199
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0128
Minimum chisq/dof for RH8,RH9,RH10 14.48, 51.95, 61.25
Event added to database
Wed Nov 2 16:08:16 2016
Event last processed
Fri Jan 13 16:06:51 2017
Method selected
RH08
Propagation delay to Earth [minutes]
91.008 ± 38.236

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -323.1 ± 1.2 -436.2 ± 5.3
Vy GSE [km/s] -33.6 ± 0.9 -41.6 ± 4.5
Vz GSE [km/s] 6.9 ± 0.9 37.1 ± 6.1
Wi [km/s] 18.1 ± 1.5 37.2 ± 2.8
We [km/s] 571.8 ± 48.8 1174.8 ± 87.5
Ni [n/cc] 10.9 ± 1.1 27.5 ± 1.4
Bx GSE [nT] -1.2 ± 0.3 -3.3 ± 0.5
By GSE [nT] 3.5 ± 0.4 15.6 ± 1.1
Bz GSE [nT] 0.1 ± 0.6 -5.3 ± 1.4
Plasma Beta
0.534 ± 0.556
0.289 ± 0.291
Sound Speed [km/s]
23.34 ± 1.99
47.96 ± 3.57
Alfven Speed [km/s]
24.81 ± 1.25
70.24 ± 6.27

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.457 ± 0.145 0.338 ± 0.166 0.823 ± 0.549 55.36 ± 8.01 143.52 ± 18.93
VC -0.964 ± 0.014 -0.069 ± 0.038 0.259 ± 0.253 14.99 ± 3.14 184.10 ± 2.24
MX1 -0.965 ± 0.014 -0.048 ± 0.049 0.260 ± 0.254 15.05 ± 3.01 182.85 ± 2.89
MX2 -0.966 ± 0.009 -0.049 ± 0.040 0.255 ± 0.249 14.78 ± 2.06 182.93 ± 2.35
MX3 -0.966 ± 0.008 -0.050 ± 0.038 0.254 ± 0.248 14.71 ± 1.87 182.95 ± 2.24
RH08 -0.196 ± 0.011 -0.415 ± 0.005 -0.888 ± 0.502 -62.66 ± 0.00 244.68 ± 1.59
RH09 -0.102 ± 0.070 0.400 ± 0.062 0.911 ± 0.473 65.59 ± 3.84 104.29 ± 9.80
RH10 -0.196 ± 0.069 -0.415 ± 0.063 -0.888 ± 0.502 -62.66 ± 3.90 244.68 ± 8.85
Average -0.601 -0.039 0.123 6.895 183.749
Median -0.457 -0.049 0.259 14.985 182.950
Deviation 0.401 0.297 0.679 47.395 46.843

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 60.2 ± 10.0 265.1 ± 1.9 2.41 ± 0.26
VC 74.3 ± 7.5 512.8 ± 3.0 2.41 ± 0.26
MX1 73.1 ± 7.5 512.2 ± 3.0 2.41 ± 0.26
MX2 73.2 ± 7.5 512.5 ± 3.0 2.41 ± 0.26
MX3 73.2 ± 7.5 512.6 ± 3.0 2.41 ± 0.26
RH08 69.8 ± 6.4 69.3 ± 1.4 2.41 ± 0.26
RH09 64.2 ± 8.4 86.6 ± 1.4 2.41 ± 0.26
RH10 69.8 ± 6.4 69.3 ± 6.8 2.41 ± 0.26
Average 69.7 317.5 2.41
Median 73.1 512.2 2.41
Deviation 5.1 217.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 123.1 ± 1.2 8.7 ± 0.5 12.3 ± 0.6 33.0 ± 1.9 14.15 ± 0.95 3.75 ± 0.24
VC 197.4 ± 1.3 4.6 ± 0.3 6.7 ± 0.3 33.8 ± 1.9 42.83 ± 2.69 5.86 ± 0.34
MX1 197.1 ± 1.3 5.0 ± 0.3 7.2 ± 0.4 33.7 ± 1.9 39.77 ± 2.50 5.86 ± 0.34
MX2 197.1 ± 1.3 5.0 ± 0.3 7.2 ± 0.4 33.7 ± 1.9 39.90 ± 2.51 5.86 ± 0.34
MX3 197.0 ± 1.3 4.9 ± 0.3 7.2 ± 0.4 33.7 ± 1.9 39.94 ± 2.51 5.86 ± 0.34
RH8 -2.1 ± 1.1 6.0 ± 0.4 8.6 ± 0.4 33.6 ± 1.9 -0.35 ± 0.19 -0.06 ± 0.03
RH9 60.9 ± 1.1 7.6 ± 0.5 10.8 ± 0.5 33.2 ± 1.9 8.06 ± 0.60 1.84 ± 0.13
RH10 -2.1 ± 1.1 6.0 ± 0.4 8.6 ± 0.4 33.6 ± 1.9 -0.35 ± 0.19 -0.06 ± 0.03
Average 121.1 6.0 8.6 33.5 23.0 3.6
Median 197.0 6.0 8.6 33.7 39.8 5.9
Deviation 90.3 1.5 2.0 0.3 19.4 2.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 49.2 ± 1.6 20.2 ± 1.1 34.9 ± 3.1 82.8 ± 4.7 2.44 ± 0.10 0.60 ± 0.03
VC 80.0 ± 3.3 10.7 ± 0.6 19.0 ± 1.7 84.5 ± 4.7 7.48 ± 0.53 0.95 ± 0.09
MX1 79.8 ± 3.4 11.5 ± 0.6 20.4 ± 1.8 84.4 ± 4.7 6.93 ± 0.50 0.95 ± 0.09
MX2 79.7 ± 3.4 11.5 ± 0.6 20.3 ± 1.8 84.4 ± 4.7 6.95 ± 0.51 0.95 ± 0.09
MX3 79.7 ± 3.5 11.5 ± 0.6 20.3 ± 1.8 84.4 ± 4.7 6.96 ± 0.51 0.95 ± 0.09
RH8 -0.7 ± 4.7 13.8 ± 0.7 24.3 ± 2.2 84.1 ± 4.7 -0.05 ± 0.33 -0.01 ± 0.06
RH9 25.0 ± 3.4 17.6 ± 0.9 30.6 ± 2.7 83.4 ± 4.7 1.42 ± 0.16 0.30 ± 0.03
RH10 -0.7 ± 4.7 13.8 ± 0.7 24.3 ± 2.2 84.1 ± 4.7 -0.05 ± 0.33 -0.01 ± 0.06
Average 49.0 13.8 24.3 84.0 4.0 0.6
Median 79.7 13.8 24.3 84.4 6.9 0.9
Deviation 36.5 3.4 5.7 0.6 3.4 0.4

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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