CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20072080410
Observation time: 07/27/2007 208.17377 0410 [UT]

Wind spacecraft

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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 2007
Fractional day of year 208.173767
Arrival time of shock [seconds of day] 15013.5 ± 40.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 240.971
Y GSE location of spacecraft [Re] -88.028
Z GSE location of spacecraft [Re] 11.230
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0213
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0206
Minimum chisq/dof for RH8,RH9,RH10 6.51, 8.25, 8.67
Event added to database
Thu Sep 26 11:04:52 2013
Event last processed
Thu Sep 26 12:14:41 2013
Method selected
RH08
Propagation delay to Earth [minutes]
68.346 ± 1.814

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -440.3 ± 0.9 -475.1 ± 2.5
Vy GSE [km/s] 55.6 ± 4.3 28.1 ± 5.9
Vz GSE [km/s] 10.7 ± 2.0 9.5 ± 3.6
Wi [km/s] 47.4 ± 1.1 42.7 ± 2.3
We [km/s] 1497.4 ± 34.2 1350.3 ± 71.2
Ni [n/cc] 4.5 ± 0.3 3.1 ± 0.2
Bx GSE [nT] -2.9 ± 0.6 -2.3 ± 0.3
By GSE [nT] 5.5 ± 1.1 2.6 ± 0.9
Bz GSE [nT] 5.7 ± 0.8 3.1 ± 0.8
Plasma Beta
0.293 ± 0.289
0.510 ± 0.521
Sound Speed [km/s]
61.13 ± 1.40
55.13 ± 2.91
Alfven Speed [km/s]
87.79 ± 6.04
60.00 ± 1.92

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.961 ± 0.166 -0.069 ± 0.736 0.267 ± 0.261 15.49 ± 33.74 184.12 ± 43.84
VC -0.790 ± 0.086 -0.612 ± 0.111 -0.030 ± 0.030 -1.72 ± 5.05 217.77 ± 8.05
MX1 -0.899 ± 0.075 -0.396 ± 0.167 0.186 ± 0.183 10.70 ± 5.08 203.78 ± 10.64
MX2 -0.895 ± 0.070 -0.390 ± 0.151 0.218 ± 0.214 12.59 ± 7.15 203.55 ± 9.65
MX3 -0.903 ± 0.086 -0.401 ± 0.192 0.153 ± 0.152 8.79 ± 5.45 203.92 ± 12.18
RH08 -0.991 ± 0.003 -0.061 ± 0.021 0.117 ± 0.117 6.74 ± 1.21 183.51 ± 1.23
RH09 -0.992 ± 0.009 -0.061 ± 0.070 0.106 ± 0.106 6.09 ± 4.02 183.51 ± 4.03
RH10 -0.992 ± 0.009 -0.061 ± 0.070 0.106 ± 0.106 6.09 ± 4.02 183.51 ± 4.03
Average -0.928 -0.256 0.140 8.096 195.459
Median -0.903 -0.069 0.153 8.793 203.550
Deviation 0.071 0.219 0.090 5.188 13.422

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 62.5 ± 2.0 348.2 ± 4.2 0.69 ± 0.07
VC 81.7 ± 1.7 219.6 ± 6.3 0.69 ± 0.07
MX1 79.8 ± 1.6 287.5 ± 5.7 0.69 ± 0.07
MX2 78.4 ± 1.7 287.0 ± 5.6 0.69 ± 0.07
MX3 81.2 ± 1.6 288.0 ± 5.7 0.69 ± 0.07
RH08 67.8 ± 2.9 357.8 ± 4.2 0.69 ± 0.07
RH09 68.2 ± 2.9 358.1 ± 4.2 0.69 ± 0.07
RH10 68.2 ± 2.9 358.1 ± 27.1 0.69 ± 0.07
Average 73.5 313.0 0.69
Median 78.4 348.2 0.69
Deviation 7.6 50.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -74.0 ± 0.8 23.8 ± 0.8 40.6 ± 2.8 104.3 ± 5.6 -3.12 ± 0.12 -0.71 ± 0.04
VC -93.9 ± 2.1 7.2 ± 0.3 12.6 ± 0.9 106.8 ± 5.6 -13.01 ± 0.76 -0.88 ± 0.07
MX1 -88.4 ± 1.5 8.9 ± 0.3 15.5 ± 1.1 106.6 ± 5.6 -9.98 ± 0.52 -0.83 ± 0.06
MX2 -87.5 ± 1.5 10.1 ± 0.4 17.6 ± 1.2 106.5 ± 5.6 -8.68 ± 0.46 -0.82 ± 0.06
MX3 -89.1 ± 1.4 7.7 ± 0.3 13.4 ± 0.9 106.7 ± 5.6 -11.60 ± 0.60 -0.84 ± 0.06
RH8 -76.5 ± 0.7 19.3 ± 0.7 33.2 ± 2.3 105.3 ± 5.6 -3.98 ± 0.15 -0.73 ± 0.04
RH9 -76.6 ± 0.7 18.9 ± 0.7 32.5 ± 2.2 105.3 ± 5.6 -4.06 ± 0.15 -0.73 ± 0.04
RH10 -76.6 ± 0.7 18.9 ± 0.7 32.5 ± 2.2 105.3 ± 5.6 -4.06 ± 0.15 -0.73 ± 0.04
Average -82.8 14.3 24.7 105.9 -7.3 -0.8
Median -76.6 18.9 32.5 106.5 -4.1 -0.7
Deviation 7.6 6.5 11.0 0.9 4.0 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -109.1 ± 2.4 19.3 ± 0.5 27.7 ± 0.9 79.2 ± 1.8 -5.66 ± 0.07 -1.38 ± 0.01
VC -138.3 ± 3.4 5.8 ± 0.2 8.6 ± 0.3 81.3 ± 1.9 -23.67 ± 0.81 -1.70 ± 0.05
MX1 -130.4 ± 2.8 7.2 ± 0.2 10.6 ± 0.3 81.2 ± 1.9 -18.18 ± 0.47 -1.61 ± 0.04
MX2 -129.2 ± 2.8 8.2 ± 0.2 12.0 ± 0.4 81.1 ± 1.9 -15.82 ± 0.41 -1.59 ± 0.04
MX3 -131.4 ± 2.7 6.2 ± 0.2 9.2 ± 0.3 81.3 ± 1.9 -21.14 ± 0.54 -1.62 ± 0.04
RH8 -112.6 ± 2.4 15.6 ± 0.4 22.7 ± 0.7 80.0 ± 1.9 -7.22 ± 0.07 -1.41 ± 0.01
RH9 -112.8 ± 2.4 15.3 ± 0.4 22.2 ± 0.7 80.1 ± 1.9 -7.38 ± 0.08 -1.41 ± 0.01
RH10 -112.8 ± 2.4 15.3 ± 0.4 22.2 ± 0.7 80.1 ± 1.9 -7.38 ± 0.08 -1.41 ± 0.01
Average -122.1 11.6 16.9 80.5 -13.3 -1.5
Median -112.8 15.3 22.2 81.1 -7.4 -1.4
Deviation 11.4 5.3 7.6 0.8 7.2 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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