CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20072882144
Observation time: 10/15/2007 288.90582 2144 [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 2007
Fractional day of year 288.905816
Arrival time of shock [seconds of day] 78262.5 ± 30.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 203.448
Y GSE location of spacecraft [Re] 73.826
Z GSE location of spacecraft [Re] -10.060
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0188
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0210
Minimum chisq/dof for RH8,RH9,RH10 4.87, 5.35, 6.11
Event added to database
Tue Sep 24 08:59:33 2013
Event last processed
Tue Oct 8 16:25:03 2013
Method selected
RH08
Propagation delay to Earth [minutes]
56.095 ± 29.746

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -294.1 ± 1.9 -312.7 ± 2.0
Vy GSE [km/s] 4.1 ± 1.5 16.3 ± 6.1
Vz GSE [km/s] -8.7 ± 3.3 1.2 ± 1.3
Wi [km/s] 24.7 ± 1.7 26.1 ± 0.7
We [km/s] 780.1 ± 52.8 824.6 ± 23.7
Ni [n/cc] 5.9 ± 0.5 7.7 ± 0.4
Bx GSE [nT] 1.9 ± 0.8 -1.8 ± 0.5
By GSE [nT] -3.5 ± 0.6 -1.3 ± 1.3
Bz GSE [nT] -0.4 ± 0.8 2.3 ± 0.3
Plasma Beta
0.495 ± 0.425
0.943 ± 1.016
Sound Speed [km/s]
31.85 ± 2.16
33.66 ± 0.97
Alfven Speed [km/s]
37.03 ± 7.03
27.11 ± 1.98

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.881 ± 0.519 -0.361 ± 1.226 0.307 ± 0.297 17.87 ± 26.39 202.29 ± 79.68
VC -0.781 ± 0.115 0.477 ± 0.171 0.403 ± 0.380 23.76 ± 8.49 148.55 ± 12.32
MX1 -0.740 ± 0.709 -0.588 ± 0.888 0.326 ± 0.314 19.03 ± 18.97 218.49 ± 68.56
MX2 -0.929 ± 0.393 -0.252 ± 1.351 0.270 ± 0.263 15.65 ± 31.38 195.19 ± 83.26
MX3 -0.789 ± 0.436 0.327 ± 0.814 -0.521 ± 0.468 -31.38 ± 33.45 157.51 ± 58.54
RH08 -0.495 ± 0.017 0.074 ± 0.058 -0.866 ± 0.524 -59.99 ± 0.98 171.48 ± 6.70
RH09 -0.496 ± 0.029 0.065 ± 0.073 -0.866 ± 0.524 -59.99 ± 1.81 172.48 ± 8.37
RH10 -0.496 ± 0.037 0.065 ± 0.073 -0.866 ± 0.524 -59.99 ± 2.37 172.48 ± 8.44
Average -0.701 -0.024 -0.227 -16.878 179.808
Median -0.740 0.065 0.270 15.648 172.479
Deviation 0.180 0.355 0.603 39.628 23.571

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 85.1 ± 12.9 325.0 ± 7.1 1.32 ± 0.11
VC 37.5 ± 15.0 332.1 ± 7.3 1.32 ± 0.11
MX1 79.9 ± 13.2 255.9 ± 6.1 1.32 ± 0.11
MX2 78.4 ± 12.6 348.0 ± 7.5 1.32 ± 0.11
MX3 53.6 ± 5.7 291.0 ± 7.1 1.32 ± 0.11
RH08 76.8 ± 8.3 156.8 ± 4.5 1.32 ± 0.11
RH09 77.3 ± 8.3 156.9 ± 4.4 1.32 ± 0.11
RH10 77.3 ± 8.3 156.9 ± 26.3 1.32 ± 0.11
Average 70.7 252.8 1.32
Median 77.3 291.0 1.32
Deviation 16.3 84.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 70.2 ± 1.4 2.1 ± 0.2 3.2 ± 0.6 49.0 ± 5.7 34.62 ± 5.43 1.46 ± 0.23
VC 104.1 ± 2.0 20.9 ± 2.4 29.4 ± 5.6 44.3 ± 5.2 5.04 ± 0.77 2.38 ± 0.37
MX1 43.6 ± 1.1 4.2 ± 0.5 6.5 ± 1.2 48.8 ± 5.7 10.55 ± 1.71 0.91 ± 0.15
MX2 78.1 ± 1.5 4.8 ± 0.5 7.4 ± 1.4 48.8 ± 5.7 16.44 ± 2.57 1.63 ± 0.26
MX3 53.1 ± 2.6 14.9 ± 1.7 22.0 ± 4.2 46.7 ± 5.5 3.63 ± 0.59 1.16 ± 0.20
RH8 3.5 ± 3.4 5.5 ± 0.6 8.4 ± 1.6 48.7 ± 5.7 0.66 ± 0.61 0.07 ± 0.07
RH9 3.3 ± 3.4 5.3 ± 0.6 8.2 ± 1.6 48.7 ± 5.7 0.64 ± 0.63 0.07 ± 0.07
RH10 3.3 ± 3.4 5.3 ± 0.6 8.2 ± 1.6 48.7 ± 5.7 0.64 ± 0.63 0.07 ± 0.07
Average 44.9 7.9 11.6 48.0 9.0 1.0
Median 53.1 5.3 8.2 48.7 5.0 1.2
Deviation 38.7 6.5 9.0 1.6 11.8 0.9

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 55.1 ± 2.5 1.8 ± 0.1 2.3 ± 0.2 43.2 ± 0.7 30.44 ± 2.21 1.28 ± 0.07
VC 79.7 ± 4.0 18.5 ± 0.7 21.5 ± 1.6 39.1 ± 0.4 4.32 ± 0.14 2.04 ± 0.08
MX1 33.8 ± 3.5 3.7 ± 0.1 4.8 ± 0.3 43.1 ± 0.7 9.15 ± 1.23 0.78 ± 0.09
MX2 61.2 ± 2.2 4.3 ± 0.1 5.4 ± 0.4 43.1 ± 0.7 14.41 ± 0.87 1.42 ± 0.06
MX3 39.6 ± 2.6 13.1 ± 0.5 16.1 ± 1.2 41.2 ± 0.6 3.02 ± 0.12 0.96 ± 0.05
RH8 2.0 ± 0.8 4.8 ± 0.2 6.2 ± 0.5 43.0 ± 0.6 0.41 ± 0.15 0.05 ± 0.02
RH9 1.9 ± 0.7 4.7 ± 0.2 6.0 ± 0.4 43.0 ± 0.7 0.39 ± 0.15 0.04 ± 0.02
RH10 1.9 ± 0.7 4.7 ± 0.2 6.0 ± 0.4 43.0 ± 0.7 0.39 ± 0.15 0.04 ± 0.02
Average 34.4 6.9 8.5 42.3 7.8 0.8
Median 39.6 4.7 6.0 43.0 4.3 1.0
Deviation 30.2 5.7 6.6 1.5 10.4 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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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