CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20052861915
Observation time: 10/13/2005 286.80210 1915 [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 2005
Fractional day of year 286.802101
Arrival time of shock [seconds of day] 69301.5 ± 30.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 197.400
Y GSE location of spacecraft [Re] 2.309
Z GSE location of spacecraft [Re] -17.037
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0260
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0291
Minimum chisq/dof for RH8,RH9,RH10 1.96, 2.47, 2.61
Event added to database
Mon Sep 23 17:44:43 2013
Event last processed
Tue Sep 24 16:55:04 2013
Method selected
RH08
Propagation delay to Earth [minutes]
50.777 ± 0.367

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -365.4 ± 5.3 -377.8 ± 2.6
Vy GSE [km/s] -6.2 ± 11.4 -13.8 ± 4.2
Vz GSE [km/s] -10.9 ± 1.9 10.5 ± 2.3
Wi [km/s] 26.1 ± 0.7 26.8 ± 2.5
We [km/s] 826.2 ± 23.5 847.3 ± 80.6
Ni [n/cc] 3.7 ± 0.2 5.0 ± 0.1
Bx GSE [nT] 2.6 ± 0.5 2.4 ± 0.6
By GSE [nT] 0.6 ± 1.2 -1.2 ± 1.2
Bz GSE [nT] -2.9 ± 0.5 -0.6 ± 0.8
Plasma Beta
0.313 ± 0.306
0.803 ± 0.713
Sound Speed [km/s]
33.73 ± 0.96
34.59 ± 3.29
Alfven Speed [km/s]
46.82 ± 1.68
30.45 ± 1.75

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.936 ± 0.113 0.266 ± 0.346 0.231 ± 0.227 13.34 ± 14.21 164.13 ± 21.17
VC -0.550 ± 0.240 -0.345 ± 0.367 0.761 ± 0.561 49.54 ± 6.80 212.09 ± 37.87
MX1 -0.965 ± 0.089 0.186 ± 0.368 0.186 ± 0.184 10.73 ± 16.64 169.06 ± 21.87
MX2 -0.939 ± 0.110 0.254 ± 0.354 0.229 ± 0.225 13.26 ± 13.80 164.84 ± 21.60
MX3 -0.921 ± 0.139 0.299 ± 0.385 0.250 ± 0.245 14.48 ± 14.90 162.01 ± 23.95
RH08 -0.999 ± 0.001 -0.009 ± 0.022 -0.039 ± 0.039 -2.24 ± 1.33 180.50 ± 1.27
RH09 -0.724 ± 0.041 -0.428 ± 0.059 -0.542 ± 0.481 -32.81 ± 2.79 210.58 ± 4.55
RH10 -0.744 ± 0.041 -0.405 ± 0.062 -0.531 ± 0.474 -32.05 ± 3.10 208.58 ± 4.64
Average -0.847 -0.023 0.068 4.280 183.975
Median -0.921 0.186 0.229 13.264 180.501
Deviation 0.157 0.321 0.435 26.980 22.616

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 42.4 ± 17.1 391.0 ± 2.6 1.34 ± 0.06
VC 16.8 ± 15.8 294.3 ± 3.1 1.34 ± 0.06
MX1 42.9 ± 15.4 404.2 ± 2.5 1.34 ± 0.06
MX2 42.1 ± 16.9 392.9 ± 2.6 1.34 ± 0.06
MX3 42.3 ± 17.8 384.9 ± 2.6 1.34 ± 0.06
RH08 52.1 ± 10.7 410.8 ± 2.1 1.34 ± 0.06
RH09 81.6 ± 1.9 271.3 ± 1.1 1.34 ± 0.06
RH10 80.6 ± 2.4 279.1 ± 9.3 1.34 ± 0.06
Average 50.1 353.6 1.34
Median 42.9 391.0 1.34
Deviation 21.6 60.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 53.1 ± 7.7 21.8 ± 0.4 34.6 ± 1.2 53.4 ± 1.2 2.44 ± 0.39 1.00 ± 0.15
VC 99.5 ± 2.6 31.1 ± 0.7 44.8 ± 1.6 48.6 ± 1.4 3.20 ± 0.10 2.05 ± 0.06
MX1 54.9 ± 7.0 21.6 ± 0.4 34.3 ± 1.2 53.5 ± 1.2 2.55 ± 0.37 1.03 ± 0.14
MX2 53.7 ± 7.6 21.9 ± 0.4 34.7 ± 1.2 53.4 ± 1.2 2.45 ± 0.39 1.01 ± 0.15
MX3 52.9 ± 8.0 21.9 ± 0.4 34.7 ± 1.2 53.4 ± 1.2 2.43 ± 0.41 0.99 ± 0.16
RH8 45.2 ± 5.3 17.6 ± 0.3 28.7 ± 1.0 55.0 ± 1.2 2.57 ± 0.34 0.82 ± 0.10
RH9 -1.7 ± 0.7 4.0 ± 0.1 6.8 ± 0.2 57.6 ± 1.2 -0.42 ± 0.17 -0.03 ± 0.01
RH10 -1.2 ± 0.5 4.5 ± 0.1 7.6 ± 0.3 57.5 ± 1.2 -0.26 ± 0.12 -0.02 ± 0.01
Average 44.6 18.0 28.3 54.1 1.9 0.9
Median 53.1 21.8 34.6 53.5 2.5 1.0
Deviation 32.9 9.3 13.7 2.8 1.4 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 38.7 ± 2.2 18.3 ± 0.3 22.5 ± 1.3 42.4 ± 1.6 2.12 ± 0.11 0.91 ± 0.05
VC 73.8 ± 4.4 26.6 ± 0.7 29.2 ± 1.7 37.7 ± 2.0 2.77 ± 0.18 1.96 ± 0.10
MX1 40.4 ± 2.4 18.1 ± 0.3 22.3 ± 1.3 42.5 ± 1.6 2.24 ± 0.12 0.95 ± 0.05
MX2 39.1 ± 2.2 18.3 ± 0.3 22.6 ± 1.3 42.4 ± 1.6 2.13 ± 0.11 0.92 ± 0.05
MX3 38.5 ± 2.1 18.3 ± 0.3 22.5 ± 1.3 42.4 ± 1.6 2.10 ± 0.11 0.91 ± 0.05
RH8 33.6 ± 2.6 14.7 ± 0.3 18.7 ± 1.1 43.8 ± 1.6 2.29 ± 0.16 0.77 ± 0.05
RH9 -2.3 ± 2.3 3.3 ± 0.1 4.4 ± 0.3 46.1 ± 1.5 -0.69 ± 0.69 -0.05 ± 0.05
RH10 -2.1 ± 2.3 3.7 ± 0.1 5.0 ± 0.3 46.0 ± 1.5 -0.57 ± 0.62 -0.05 ± 0.05
Average 32.5 15.2 18.4 42.9 1.5 0.8
Median 38.7 18.3 22.5 42.5 2.1 0.9
Deviation 24.8 7.9 8.9 2.6 1.4 0.6

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 Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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