CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20081460243
Observation time: 05/25/2008 146.11325 0243 [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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Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2008
Fractional day of year 146.113247
Arrival time of shock [seconds of day] 9784.5 ± 30.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 253.806
Y GSE location of spacecraft [Re] 60.232
Z GSE location of spacecraft [Re] 21.682
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0199
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0151
Minimum chisq/dof for RH8,RH9,RH10 4.16, 4.43, 4.81
Event added to database
Wed Sep 25 11:11:35 2013
Event last processed
Wed Sep 25 17:07:00 2013
Method selected
RH08
Propagation delay to Earth [minutes]
48.494 ± 9.240

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -471.4 ± 2.2 -503.3 ± 2.3
Vy GSE [km/s] 9.3 ± 3.8 -10.9 ± 2.9
Vz GSE [km/s] -5.1 ± 5.1 -1.9 ± 4.7
Wi [km/s] 38.4 ± 1.0 34.3 ± 0.4
We [km/s] 1214.8 ± 33.2 1083.6 ± 11.4
Ni [n/cc] 2.3 ± 0.2 2.1 ± 0.1
Bx GSE [nT] 1.6 ± 0.4 -2.2 ± 0.3
By GSE [nT] -0.3 ± 0.2 -1.9 ± 0.1
Bz GSE [nT] -2.5 ± 0.3 -1.5 ± 0.5
Plasma Beta
0.794 ± 0.803
0.451 ± 0.463
Sound Speed [km/s]
49.59 ± 1.35
44.24 ± 0.47
Alfven Speed [km/s]
43.33 ± 2.92
51.12 ± 2.25

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.030 ± 0.298 0.525 ± 0.362 0.851 ± 0.535 58.29 ± 24.42 93.30 ± 32.43
VC -0.843 ± 0.056 -0.531 ± 0.088 0.086 ± 0.085 4.91 ± 9.54 212.17 ± 5.95
MX1 0.008 ± 0.105 0.501 ± 0.061 0.865 ± 0.524 59.90 ± 4.01 89.10 ± 11.99
MX2 0.882 ± 0.638 0.279 ± 1.522 0.381 ± 0.361 22.39 ± 66.31 17.56 ± 98.55
MX3 -0.152 ± 0.132 0.760 ± 0.162 0.631 ± 0.530 39.15 ± 14.80 101.34 ± 9.67
RH08 -0.454 ± 0.026 0.617 ± 0.030 -0.642 ± 0.535 -39.98 ± 3.05 126.35 ± 1.53
RH09 -0.454 ± 0.036 0.617 ± 0.041 -0.642 ± 0.535 -39.98 ± 4.12 126.35 ± 2.22
RH10 -0.454 ± 0.042 0.617 ± 0.045 -0.642 ± 0.535 -39.98 ± 4.26 126.35 ± 2.84
Average -0.187 0.423 0.111 8.089 111.565
Median -0.152 0.617 0.381 22.394 126.351
Deviation 0.514 0.409 0.672 43.612 54.193

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 38.1 ± 7.8 64.6 ± 28.2 0.89 ± 0.07
VC 62.6 ± 8.1 141.5 ± 170.3 0.89 ± 0.07
MX1 39.1 ± 8.0 49.9 ± 30.6 0.89 ± 0.07
MX2 83.3 ± 8.6 -194.0 ± 143.3 0.89 ± 0.07
MX3 46.3 ± 5.8 126.0 ± 34.6 0.89 ± 0.07
RH08 76.7 ± 4.8 212.7 ± 10.9 0.89 ± 0.07
RH09 76.7 ± 4.8 212.7 ± 10.9 0.89 ± 0.07
RH10 76.7 ± 4.8 212.7 ± 53.3 0.89 ± 0.07
Average 62.4 103.2 0.89
Median 76.7 141.5 0.89
Deviation 18.7 136.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 49.8 ± 5.5 28.4 ± 1.3 34.1 ± 2.3 59.4 ± 2.1 1.75 ± 0.16 0.84 ± 0.08
VC -250.7 ± 3.1 15.4 ± 0.7 19.9 ± 1.3 64.1 ± 2.3 -16.28 ± 0.66 -3.92 ± 0.13
MX1 53.4 ± 5.6 27.9 ± 1.2 33.6 ± 2.3 59.7 ± 2.1 1.91 ± 0.17 0.89 ± 0.08
MX2 220.9 ± 4.5 3.8 ± 0.2 5.0 ± 0.3 65.8 ± 2.4 58.32 ± 2.32 3.36 ± 0.12
MX3 50.2 ± 5.0 24.2 ± 1.1 29.9 ± 2.0 61.3 ± 2.2 2.08 ± 0.17 0.82 ± 0.07
RH8 -10.4 ± 3.6 7.6 ± 0.3 10.0 ± 0.7 65.4 ± 2.4 -1.38 ± 0.48 -0.16 ± 0.06
RH9 -10.4 ± 3.6 7.6 ± 0.3 10.0 ± 0.7 65.4 ± 2.4 -1.38 ± 0.48 -0.16 ± 0.06
RH10 -10.4 ± 3.6 7.6 ± 0.3 10.0 ± 0.7 65.4 ± 2.4 -1.38 ± 0.48 -0.16 ± 0.06
Average 11.5 15.3 19.1 63.3 5.5 0.2
Median 49.8 15.4 19.9 65.4 1.8 0.8
Deviation 130.2 10.2 12.0 2.7 22.2 2.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 56.8 ± 5.2 29.1 ± 0.6 40.2 ± 1.8 61.0 ± 1.8 1.95 ± 0.18 0.93 ± 0.09
VC -288.6 ± 1.5 15.8 ± 0.4 23.5 ± 1.0 65.7 ± 1.9 -18.24 ± 0.43 -4.39 ± 0.13
MX1 61.0 ± 5.1 28.7 ± 0.6 39.7 ± 1.7 61.2 ± 1.8 2.13 ± 0.18 1.00 ± 0.09
MX2 253.4 ± 1.2 3.9 ± 0.1 5.9 ± 0.3 67.5 ± 1.9 65.16 ± 1.34 3.76 ± 0.10
MX3 58.8 ± 5.0 24.8 ± 0.5 35.3 ± 1.6 62.9 ± 1.8 2.37 ± 0.22 0.94 ± 0.09
RH8 -10.4 ± 2.1 7.8 ± 0.2 11.8 ± 0.5 67.2 ± 1.9 -1.34 ± 0.25 -0.15 ± 0.03
RH9 -10.4 ± 2.1 7.8 ± 0.2 11.8 ± 0.5 67.2 ± 1.9 -1.34 ± 0.25 -0.15 ± 0.03
RH10 -10.4 ± 2.1 7.8 ± 0.2 11.8 ± 0.5 67.2 ± 1.9 -1.34 ± 0.25 -0.15 ± 0.03
Average 13.8 15.7 22.5 65.0 6.2 0.2
Median 56.8 15.8 23.5 67.2 1.9 0.9
Deviation 149.6 10.4 14.1 2.8 24.8 2.3

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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