CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20110451506
Observation time: 02/14/2011 45.62974 1506 [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 2011
Fractional day of year 45.629740
Arrival time of shock [seconds of day] 54409.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 195.220
Y GSE location of spacecraft [Re] 2.168
Z GSE location of spacecraft [Re] -19.866
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0222
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0099
Minimum chisq/dof for RH8,RH9,RH10 12.56, 53.00, 89.95
Event added to database
Fri Sep 20 09:53:54 2013
Event last processed
Tue Sep 24 10:00:51 2013
Method selected
RH10
Propagation delay to Earth [minutes]
51.970 ± 24.693

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -308.7 ± 0.6 -382.9 ± 0.9
Vy GSE [km/s] -0.3 ± 1.0 -29.8 ± 1.4
Vz GSE [km/s] -4.2 ± 1.1 12.5 ± 1.8
Wi [km/s] 20.1 ± 1.3 35.0 ± 0.7
We [km/s] 635.3 ± 41.7 1106.2 ± 23.2
Ni [n/cc] 6.9 ± 0.4 18.7 ± 1.6
Bx GSE [nT] 1.0 ± 0.2 2.0 ± 0.3
By GSE [nT] -1.6 ± 0.1 -4.8 ± 0.2
Bz GSE [nT] -1.7 ± 0.1 -3.9 ± 0.3
Plasma Beta
0.902 ± 1.002
1.141 ± 1.140
Sound Speed [km/s]
25.93 ± 1.70
45.16 ± 0.95
Alfven Speed [km/s]
21.45 ± 1.63
32.75 ± 0.75

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.784 ± 0.329 -0.502 ± 0.456 0.365 ± 0.348 21.41 ± 31.04 212.63 ± 32.36
VC -0.910 ± 0.007 -0.362 ± 0.015 0.205 ± 0.202 11.81 ± 1.17 201.68 ± 0.93
MX1 -0.904 ± 0.031 -0.388 ± 0.069 0.180 ± 0.178 10.39 ± 2.56 203.24 ± 4.38
MX2 -0.902 ± 0.032 -0.390 ± 0.071 0.185 ± 0.183 10.64 ± 2.39 203.39 ± 4.52
MX3 -0.901 ± 0.032 -0.392 ± 0.073 0.187 ± 0.185 10.80 ± 2.29 203.49 ± 4.62
RH08 -0.405 ± 0.018 0.444 ± 0.016 -0.799 ± 0.557 -53.02 ± 0.53 132.37 ± 2.17
RH09 -0.097 ± 0.064 -0.594 ± 0.039 0.799 ± 0.557 53.02 ± 2.76 260.72 ± 6.16
RH10 -0.510 ± 0.060 0.393 ± 0.064 -0.765 ± 0.561 -49.94 ± 4.01 142.40 ± 6.25
Average -0.677 -0.224 0.045 1.889 194.990
Median -0.784 -0.388 0.187 10.800 203.394
Deviation 0.306 0.404 0.551 35.905 40.665

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 76.7 ± 4.3 369.7 ± 2.2 2.61 ± 0.20
VC 74.6 ± 4.8 412.7 ± 2.1 2.61 ± 0.20
MX1 76.7 ± 4.8 410.9 ± 2.1 2.61 ± 0.20
MX2 76.6 ± 4.8 410.4 ± 2.1 2.61 ± 0.20
MX3 76.6 ± 4.8 410.0 ± 2.1 2.61 ± 0.20
RH08 85.6 ± 3.2 134.2 ± 0.5 2.61 ± 0.20
RH09 79.6 ± 2.3 90.2 ± 1.5 2.61 ± 0.20
RH10 87.4 ± 3.5 182.2 ± 1.5 2.61 ± 0.20
Average 79.2 302.5 2.61
Median 76.7 410.0 2.61
Deviation 4.7 141.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 129.0 ± 0.7 3.8 ± 0.1 4.9 ± 0.4 33.5 ± 1.1 33.89 ± 1.36 3.85 ± 0.13
VC 132.6 ± 0.6 4.4 ± 0.2 5.7 ± 0.4 33.4 ± 1.1 30.17 ± 1.19 3.97 ± 0.13
MX1 132.5 ± 0.5 3.8 ± 0.1 4.9 ± 0.4 33.5 ± 1.1 34.82 ± 1.37 3.96 ± 0.13
MX2 132.5 ± 0.5 3.8 ± 0.1 5.0 ± 0.4 33.5 ± 1.1 34.70 ± 1.36 3.96 ± 0.13
MX3 132.5 ± 0.5 3.8 ± 0.1 5.0 ± 0.4 33.5 ± 1.1 34.63 ± 1.36 3.96 ± 0.13
RH8 5.8 ± 1.2 1.3 ± 0.0 1.6 ± 0.1 33.7 ± 1.1 4.60 ± 0.91 0.17 ± 0.03
RH9 63.5 ± 1.2 3.0 ± 0.1 3.9 ± 0.3 33.6 ± 1.1 21.24 ± 0.99 1.89 ± 0.08
RH10 21.7 ± 1.2 0.8 ± 0.0 1.0 ± 0.1 33.7 ± 1.1 28.66 ± 1.63 0.64 ± 0.04
Average 93.8 3.1 4.0 33.5 27.8 2.8
Median 132.5 3.8 4.9 33.5 33.9 4.0
Deviation 54.9 1.3 1.7 0.1 10.5 1.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 49.9 ± 2.0 6.1 ± 0.1 7.5 ± 0.2 55.4 ± 1.2 8.14 ± 0.48 0.90 ± 0.05
VC 51.1 ± 1.7 7.1 ± 0.2 8.7 ± 0.2 55.3 ± 1.2 7.21 ± 0.37 0.92 ± 0.05
MX1 51.0 ± 1.6 6.1 ± 0.1 7.5 ± 0.2 55.4 ± 1.2 8.31 ± 0.42 0.92 ± 0.05
MX2 51.0 ± 1.7 6.2 ± 0.1 7.6 ± 0.2 55.4 ± 1.2 8.29 ± 0.42 0.92 ± 0.05
MX3 51.0 ± 1.7 6.2 ± 0.1 7.6 ± 0.2 55.4 ± 1.2 8.27 ± 0.42 0.92 ± 0.05
RH8 2.2 ± 1.8 2.0 ± 0.0 2.5 ± 0.1 55.7 ± 1.2 1.07 ± 0.84 0.04 ± 0.03
RH9 25.4 ± 2.3 4.8 ± 0.1 5.9 ± 0.1 55.6 ± 1.2 5.28 ± 0.59 0.46 ± 0.05
RH10 8.3 ± 1.6 1.2 ± 0.0 1.5 ± 0.0 55.8 ± 1.2 6.74 ± 1.13 0.15 ± 0.02
Average 36.2 5.0 6.1 55.5 6.7 0.7
Median 51.0 6.1 7.5 55.4 8.1 0.9
Deviation 21.1 2.2 2.7 0.2 2.5 0.4

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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