CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20073510153
Observation time: 12/17/2007 351.07870 0153 [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 351.078698
Arrival time of shock [seconds of day] 6799.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 256.330
Y GSE location of spacecraft [Re] 10.966
Z GSE location of spacecraft [Re] 24.220
Upstream plasma points selected for analysis 0004
Upstream field points selected for analysis 0138
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0243
Minimum chisq/dof for RH8,RH9,RH10 11.28, 12.86, 15.10
Event added to database
Thu Sep 26 11:51:31 2013
Event last processed
Thu Sep 26 12:36:14 2013
Method selected
RH08
Propagation delay to Earth [minutes]
50.553 ± 0.760

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -353.6 ± 0.8 -399.1 ± 4.5
Vy GSE [km/s] -30.6 ± 1.9 -50.3 ± 1.7
Vz GSE [km/s] 24.5 ± 2.3 29.6 ± 2.4
Wi [km/s] 24.3 ± 0.2 33.5 ± 1.1
We [km/s] 769.5 ± 6.4 1060.8 ± 36.1
Ni [n/cc] 6.6 ± 0.1 15.5 ± 0.5
Bx GSE [nT] -1.4 ± 0.2 2.3 ± 0.2
By GSE [nT] -1.7 ± 0.1 -4.6 ± 0.2
Bz GSE [nT] 2.8 ± 0.0 5.5 ± 0.5
Plasma Beta
0.649 ± 0.640
0.647 ± 0.646
Sound Speed [km/s]
31.42 ± 0.26
43.31 ± 1.48
Alfven Speed [km/s]
30.25 ± 1.00
41.78 ± 1.37

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.699 ± 0.042 -0.313 ± 0.051 0.644 ± 0.535 40.06 ± 3.55 204.12 ± 3.94
VC -0.912 ± 0.030 -0.397 ± 0.067 0.102 ± 0.102 5.86 ± 3.42 203.54 ± 4.18
MX1 -0.726 ± 0.038 -0.487 ± 0.042 0.486 ± 0.444 29.08 ± 4.07 213.85 ± 2.93
MX2 -0.723 ± 0.044 -0.590 ± 0.050 0.360 ± 0.344 21.12 ± 4.28 219.23 ± 3.73
MX3 -0.714 ± 0.047 -0.631 ± 0.051 0.301 ± 0.292 17.53 ± 4.78 221.47 ± 3.88
RH08 -0.564 ± 0.012 -0.826 ± 0.008 -0.006 ± 0.006 -0.32 ± 1.57 235.65 ± 0.84
RH09 -0.564 ± 0.032 -0.826 ± 0.022 -0.006 ± 0.006 -0.32 ± 3.83 235.65 ± 2.23
RH10 -0.578 ± 0.036 -0.815 ± 0.026 0.028 ± 0.028 1.60 ± 3.98 234.65 ± 2.54
Average -0.685 -0.611 0.239 14.327 221.022
Median -0.699 -0.590 0.301 17.533 221.471
Deviation 0.117 0.202 0.247 15.114 13.417

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 21.3 ± 2.8 345.1 ± 1.1 2.31 ± 0.02
VC 50.5 ± 3.0 425.7 ± 1.2 2.31 ± 0.02
MX1 25.4 ± 3.0 362.4 ± 1.0 2.31 ± 0.02
MX2 31.4 ± 2.8 363.5 ± 0.9 2.31 ± 0.02
MX3 34.5 ± 2.7 360.7 ± 0.9 2.31 ± 0.02
RH08 51.8 ± 2.0 298.2 ± 0.7 2.31 ± 0.02
RH09 51.8 ± 2.0 298.2 ± 0.7 2.31 ± 0.02
RH10 49.9 ± 2.0 304.8 ± 3.5 2.31 ± 0.02
Average 39.6 344.8 2.31
Median 49.9 360.7 2.31
Deviation 12.9 43.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 72.8 ± 1.3 24.6 ± 0.5 28.2 ± 0.9 36.0 ± 0.6 2.96 ± 0.04 2.02 ± 0.02
VC 88.6 ± 0.3 14.7 ± 0.3 19.2 ± 0.6 41.1 ± 0.7 6.03 ± 0.12 2.16 ± 0.04
MX1 79.0 ± 0.7 23.3 ± 0.5 27.3 ± 0.9 36.9 ± 0.6 3.39 ± 0.06 2.14 ± 0.03
MX2 81.2 ± 0.4 21.3 ± 0.4 25.8 ± 0.9 38.1 ± 0.7 3.81 ± 0.08 2.13 ± 0.04
MX3 81.4 ± 0.3 20.3 ± 0.4 24.9 ± 0.8 38.6 ± 0.7 4.01 ± 0.09 2.11 ± 0.04
RH8 73.6 ± 1.2 14.2 ± 0.3 18.7 ± 0.6 41.2 ± 0.8 5.17 ± 0.19 1.79 ± 0.06
RH9 73.6 ± 1.2 14.2 ± 0.3 18.7 ± 0.6 41.2 ± 0.8 5.17 ± 0.19 1.79 ± 0.06
RH10 74.7 ± 1.1 15.0 ± 0.3 19.5 ± 0.6 41.0 ± 0.7 5.00 ± 0.18 1.82 ± 0.06
Average 78.1 18.4 22.8 39.3 4.4 2.0
Median 79.0 20.3 24.9 41.0 5.0 2.1
Deviation 5.5 4.4 4.2 2.1 1.1 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 31.5 ± 3.4 33.9 ± 0.8 38.9 ± 1.3 49.8 ± 1.2 0.93 ± 0.11 0.63 ± 0.07
VC 38.8 ± 3.7 20.3 ± 0.5 26.6 ± 0.9 56.7 ± 1.4 1.91 ± 0.21 0.68 ± 0.07
MX1 33.9 ± 3.1 32.1 ± 0.8 37.8 ± 1.2 50.9 ± 1.2 1.06 ± 0.11 0.67 ± 0.07
MX2 34.8 ± 2.9 29.4 ± 0.7 35.7 ± 1.2 52.5 ± 1.3 1.19 ± 0.11 0.66 ± 0.06
MX3 34.9 ± 2.7 28.0 ± 0.7 34.4 ± 1.1 53.3 ± 1.3 1.25 ± 0.12 0.66 ± 0.06
RH8 31.7 ± 1.8 19.6 ± 0.5 25.8 ± 0.8 56.9 ± 1.4 1.62 ± 0.12 0.56 ± 0.04
RH9 31.7 ± 1.8 19.6 ± 0.5 25.8 ± 0.8 56.9 ± 1.4 1.62 ± 0.12 0.56 ± 0.04
RH10 32.2 ± 1.9 20.6 ± 0.5 26.9 ± 0.9 56.5 ± 1.4 1.56 ± 0.12 0.57 ± 0.04
Average 33.7 25.4 31.5 54.2 1.4 0.6
Median 33.9 28.0 34.4 56.5 1.6 0.7
Deviation 2.5 6.0 5.7 2.9 0.3 0.1

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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