CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20072892340
Observation time: 10/16/2007 289.98665 2340 [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 289.986649
Arrival time of shock [seconds of day] 85246.5 ± 60.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 203.908
Y GSE location of spacecraft [Re] 76.394
Z GSE location of spacecraft [Re] -9.292
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0247
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0223
Minimum chisq/dof for RH8,RH9,RH10 6.31, 6.78, 7.45
Event added to database
Thu Sep 26 11:16:30 2013
Event last processed
Thu Sep 26 12:23:18 2013
Method selected
RH08
Propagation delay to Earth [minutes]
75.028 ± 23.731

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -327.5 ± 2.2 -344.2 ± 2.1
Vy GSE [km/s] 22.8 ± 2.8 9.4 ± 0.9
Vz GSE [km/s] -20.2 ± 3.2 0.5 ± 1.5
Wi [km/s] 22.7 ± 1.1 20.7 ± 0.9
We [km/s] 716.5 ± 33.8 653.6 ± 28.3
Ni [n/cc] 4.9 ± 0.2 6.4 ± 0.1
Bx GSE [nT] 3.0 ± 0.1 -0.1 ± 0.1
By GSE [nT] -0.6 ± 0.3 -2.6 ± 0.1
Bz GSE [nT] -1.9 ± 0.4 1.3 ± 0.1
Plasma Beta
0.416 ± 0.359
0.680 ± 0.692
Sound Speed [km/s]
29.25 ± 1.38
26.68 ± 1.16
Alfven Speed [km/s]
35.47 ± 2.18
25.09 ± 0.37

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.531 ± 0.035 0.847 ± 0.022 -0.006 ± 0.006 -0.35 ± 3.62 122.07 ± 2.38
VC -0.567 ± 0.085 -0.456 ± 0.098 0.686 ± 0.550 43.33 ± 4.55 218.84 ± 9.24
MX1 -0.558 ± 0.045 0.829 ± 0.030 -0.041 ± 0.041 -2.35 ± 3.60 123.95 ± 3.09
MX2 -0.509 ± 0.040 0.861 ± 0.024 0.022 ± 0.022 1.25 ± 4.53 120.58 ± 2.64
MX3 -0.851 ± 0.366 0.450 ± 0.673 -0.272 ± 0.265 -15.80 ± 21.21 152.13 ± 45.21
RH08 -0.523 ± 0.016 -0.418 ± 0.020 -0.743 ± 0.561 -47.99 ± 0.00 218.61 ± 2.17
RH09 -0.523 ± 0.046 -0.418 ± 0.058 -0.743 ± 0.561 -47.99 ± 0.48 218.61 ± 6.34
RH10 -0.537 ± 0.047 -0.399 ± 0.063 -0.743 ± 0.561 -47.99 ± 0.84 216.60 ± 6.69
Average -0.575 0.162 -0.230 -14.736 173.924
Median -0.531 0.450 -0.041 -2.349 216.602
Deviation 0.113 0.639 0.504 32.307 48.312

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 53.9 ± 6.3 183.5 ± 1.9 1.30 ± 0.06
VC 41.5 ± 6.5 291.2 ± 2.9 1.30 ± 0.06
MX1 53.9 ± 6.4 193.0 ± 1.9 1.30 ± 0.06
MX2 54.0 ± 6.1 175.9 ± 1.9 1.30 ± 0.06
MX3 50.3 ± 6.8 308.2 ± 1.6 1.30 ± 0.06
RH08 87.7 ± 3.9 172.8 ± 1.3 1.30 ± 0.06
RH09 87.7 ± 3.9 172.8 ± 1.3 1.30 ± 0.06
RH10 88.6 ± 4.0 177.9 ± 8.8 1.30 ± 0.06
Average 64.7 209.4 1.30
Median 54.0 183.5 1.30
Deviation 19.7 56.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -9.8 ± 3.3 13.9 ± 0.2 20.9 ± 1.3 43.9 ± 1.1 -0.70 ± 0.24 -0.22 ± 0.08
VC 129.9 ± 2.6 18.4 ± 0.3 26.6 ± 1.6 42.2 ± 1.1 7.07 ± 0.24 3.08 ± 0.08
MX1 -9.5 ± 3.3 13.9 ± 0.2 20.9 ± 1.3 43.9 ± 1.1 -0.68 ± 0.23 -0.22 ± 0.08
MX2 -9.9 ± 3.4 13.9 ± 0.2 20.8 ± 1.3 43.9 ± 1.1 -0.71 ± 0.24 -0.23 ± 0.08
MX3 14.0 ± 2.6 15.2 ± 0.2 22.7 ± 1.4 43.4 ± 1.1 0.92 ± 0.18 0.32 ± 0.06
RH8 -3.9 ± 2.2 0.9 ± 0.0 1.4 ± 0.1 46.0 ± 1.0 -4.42 ± 2.47 -0.08 ± 0.05
RH9 -3.9 ± 2.2 0.9 ± 0.0 1.4 ± 0.1 46.0 ± 1.0 -4.42 ± 2.47 -0.08 ± 0.05
RH10 -4.0 ± 2.1 0.6 ± 0.0 0.9 ± 0.1 46.0 ± 1.0 -7.20 ± 3.92 -0.09 ± 0.05
Average 12.9 9.7 14.4 44.4 -1.3 0.3
Median -3.9 13.9 20.9 43.9 -0.7 -0.1
Deviation 47.9 7.5 11.1 1.4 4.3 1.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -7.2 ± 1.5 11.3 ± 0.2 14.8 ± 0.2 34.8 ± 0.8 -0.63 ± 0.14 -0.21 ± 0.05
VC 100.2 ± 1.8 15.0 ± 0.3 18.8 ± 0.3 33.4 ± 0.8 6.69 ± 0.15 3.00 ± 0.07
MX1 -6.9 ± 1.5 11.3 ± 0.2 14.8 ± 0.2 34.8 ± 0.8 -0.61 ± 0.14 -0.20 ± 0.05
MX2 -7.3 ± 1.5 11.3 ± 0.2 14.7 ± 0.2 34.9 ± 0.8 -0.65 ± 0.14 -0.21 ± 0.05
MX3 11.4 ± 1.7 12.4 ± 0.3 16.0 ± 0.2 34.5 ± 0.8 0.92 ± 0.14 0.33 ± 0.05
RH8 -2.9 ± 1.3 0.7 ± 0.0 1.0 ± 0.0 36.6 ± 0.8 -4.02 ± 1.73 -0.08 ± 0.03
RH9 -2.9 ± 1.3 0.7 ± 0.0 1.0 ± 0.0 36.6 ± 0.8 -4.02 ± 1.73 -0.08 ± 0.03
RH10 -2.9 ± 1.3 0.4 ± 0.0 0.6 ± 0.0 36.6 ± 0.8 -6.55 ± 2.80 -0.08 ± 0.03
Average 10.2 7.9 10.2 35.3 -1.1 0.3
Median -2.9 11.3 14.8 34.9 -0.6 -0.1
Deviation 36.9 6.1 7.9 1.2 4.0 1.1

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

   
 

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