CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20081761910
Observation time: 06/24/2008 176.79908 1910 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
Key parameters
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 2008
Fractional day of year 176.799080
Arrival time of shock [seconds of day] 69040.5 ± 30.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 260.782
Y GSE location of spacecraft [Re] -37.577
Z GSE location of spacecraft [Re] 23.220
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0202
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0157
Minimum chisq/dof for RH8,RH9,RH10 4.10, 7.38, 7.80
Event added to database
Wed Sep 25 11:17:23 2013
Event last processed
Wed Sep 25 17:11:14 2013
Method selected
RH08
Propagation delay to Earth [minutes]
66.269 ± 9.860

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -320.6 ± 0.9 -339.2 ± 2.2
Vy GSE [km/s] -18.7 ± 6.8 -28.9 ± 1.2
Vz GSE [km/s] 2.5 ± 0.5 14.8 ± 3.6
Wi [km/s] 17.9 ± 0.4 21.5 ± 0.4
We [km/s] 564.9 ± 11.6 678.6 ± 13.4
Ni [n/cc] 7.1 ± 0.2 11.6 ± 0.2
Bx GSE [nT] 2.8 ± 0.1 3.4 ± 0.3
By GSE [nT] -2.2 ± 0.1 -4.6 ± 0.4
Bz GSE [nT] 0.2 ± 0.1 -0.2 ± 1.0
Plasma Beta
0.370 ± 0.370
0.336 ± 0.321
Sound Speed [km/s]
23.06 ± 0.47
27.71 ± 0.55
Alfven Speed [km/s]
29.38 ± 0.44
37.12 ± 1.22

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.989 ± 0.050 -0.091 ± 0.184 -0.119 ± 0.119 -6.86 ± 22.61 185.24 ± 10.64
VC -0.775 ± 0.120 -0.389 ± 0.195 0.498 ± 0.452 29.87 ± 9.29 206.64 ± 14.19
MX1 -0.849 ± 0.095 -0.246 ± 0.096 0.468 ± 0.430 27.90 ± 11.66 196.15 ± 6.25
MX2 -0.833 ± 0.074 -0.251 ± 0.078 0.493 ± 0.448 29.54 ± 8.55 196.78 ± 5.13
MX3 -0.813 ± 0.069 -0.259 ± 0.074 0.522 ± 0.468 31.47 ± 7.49 197.67 ± 5.03
RH08 -0.914 ± 0.013 -0.088 ± 0.016 0.397 ± 0.374 23.37 ± 1.93 185.52 ± 1.01
RH09 -0.980 ± 0.014 -0.043 ± 0.063 0.196 ± 0.193 11.28 ± 4.08 182.51 ± 3.70
RH10 -0.977 ± 0.015 -0.043 ± 0.067 0.207 ± 0.204 11.93 ± 4.02 182.51 ± 3.94
Average -0.891 -0.176 0.333 19.810 191.627
Median -0.849 -0.091 0.468 27.900 196.148
Deviation 0.085 0.127 0.224 13.395 8.892

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 42.7 ± 2.4 365.4 ± 1.3 1.64 ± 0.07
VC 69.6 ± 2.5 321.7 ± 1.0 1.64 ± 0.07
MX1 60.3 ± 2.4 340.9 ± 0.9 1.64 ± 0.07
MX2 61.4 ± 2.4 336.5 ± 0.9 1.64 ± 0.07
MX3 62.9 ± 2.4 330.1 ± 0.9 1.64 ± 0.07
RH08 49.7 ± 2.4 354.8 ± 0.8 1.64 ± 0.07
RH09 42.4 ± 2.5 369.5 ± 0.9 1.64 ± 0.07
RH10 42.6 ± 2.5 369.2 ± 4.8 1.64 ± 0.07
Average 53.9 348.5 1.64
Median 60.3 354.8 1.64
Deviation 10.9 18.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 47.0 ± 1.4 14.5 ± 0.2 21.6 ± 0.3 34.4 ± 0.3 3.25 ± 0.09 1.36 ± 0.03
VC 64.7 ± 3.4 6.4 ± 0.1 10.3 ± 0.2 36.8 ± 0.4 10.06 ± 0.50 1.76 ± 0.08
MX1 63.0 ± 2.5 9.3 ± 0.1 14.6 ± 0.2 36.2 ± 0.4 6.79 ± 0.25 1.74 ± 0.06
MX2 63.5 ± 2.5 8.9 ± 0.1 14.1 ± 0.2 36.3 ± 0.4 7.10 ± 0.27 1.75 ± 0.06
MX3 63.5 ± 2.6 8.5 ± 0.1 13.4 ± 0.2 36.4 ± 0.4 7.47 ± 0.29 1.74 ± 0.06
RH8 59.2 ± 1.5 12.5 ± 0.2 19.0 ± 0.3 35.2 ± 0.4 4.76 ± 0.12 1.68 ± 0.03
RH9 54.2 ± 1.2 14.6 ± 0.2 21.7 ± 0.3 34.4 ± 0.3 3.72 ± 0.08 1.57 ± 0.03
RH10 54.5 ± 1.2 14.5 ± 0.2 21.6 ± 0.3 34.4 ± 0.3 3.76 ± 0.08 1.58 ± 0.03
Average 58.7 11.1 17.0 35.5 5.9 1.7
Median 63.0 12.5 19.0 36.2 6.8 1.7
Deviation 6.3 3.2 4.5 1.0 2.4 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 29.1 ± 2.7 17.7 ± 0.2 27.3 ± 0.9 42.8 ± 0.8 1.65 ± 0.14 0.68 ± 0.07
VC 40.1 ± 0.8 7.9 ± 0.1 13.0 ± 0.4 45.7 ± 0.8 5.11 ± 0.08 0.88 ± 0.02
MX1 39.0 ± 0.9 11.4 ± 0.1 18.4 ± 0.6 44.9 ± 0.8 3.43 ± 0.06 0.87 ± 0.03
MX2 39.4 ± 0.8 10.9 ± 0.1 17.8 ± 0.6 45.0 ± 0.8 3.60 ± 0.06 0.87 ± 0.02
MX3 39.3 ± 0.8 10.4 ± 0.1 16.9 ± 0.6 45.1 ± 0.8 3.78 ± 0.06 0.87 ± 0.02
RH8 36.4 ± 1.0 15.2 ± 0.2 24.0 ± 0.8 43.8 ± 0.8 2.40 ± 0.05 0.83 ± 0.03
RH9 33.1 ± 1.6 17.8 ± 0.2 27.4 ± 0.9 42.8 ± 0.8 1.86 ± 0.08 0.77 ± 0.05
RH10 33.4 ± 1.5 17.7 ± 0.2 27.3 ± 0.9 42.8 ± 0.8 1.89 ± 0.08 0.78 ± 0.04
Average 36.2 13.6 21.5 44.1 3.0 0.8
Median 39.0 15.2 24.0 44.9 3.4 0.9
Deviation 4.0 3.9 5.7 1.2 1.2 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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