CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20012871738
Observation time: 10/14/2001 287.73519 1738 [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 2001
Fractional day of year 287.735192
Arrival time of shock [seconds of day] 63520.6 ± 220.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 66.952
Y GSE location of spacecraft [Re] -60.023
Z GSE location of spacecraft [Re] 7.660
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0200
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0227
Minimum chisq/dof for RH8,RH9,RH10 5.24, 8.08, 8.70
Event added to database
Mon Feb 14 11:15:49 2005
Event last processed
Mon Mar 30 21:47:04 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-34.806 ± 4.720

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -387.2 ± 4.5 -429.4 ± 2.1
Vy GSE [km/s] -21.8 ± 1.0 -13.3 ± 3.2
Vz GSE [km/s] -55.8 ± 3.5 -63.8 ± 2.6
Wi [km/s] 37.4 ± 4.5 43.6 ± 2.4
We [km/s] 1183.9 ± 142.7 1378.4 ± 75.5
Ni [n/cc] 3.2 ± 0.4 4.5 ± 0.2
Bx GSE [nT] 3.0 ± 0.6 0.9 ± 0.1
By GSE [nT] -2.2 ± 0.4 -2.5 ± 0.1
Bz GSE [nT] -3.7 ± 0.4 -6.5 ± 0.1
Plasma Beta
0.354 ± 0.318
0.370 ± 0.356
Sound Speed [km/s]
48.33 ± 5.83
56.27 ± 3.08
Alfven Speed [km/s]
64.26 ± 3.77
71.90 ± 1.07

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.739 ± 0.051 0.427 ± 0.072 0.520 ± 0.467 31.36 ± 3.87 149.97 ± 5.41
VC -0.962 ± 0.024 0.196 ± 0.076 -0.188 ± 0.186 -10.83 ± 5.84 168.50 ± 4.55
MX1 -0.749 ± 0.038 0.401 ± 0.052 0.527 ± 0.472 31.81 ± 3.30 151.81 ± 3.81
MX2 -0.755 ± 0.034 0.388 ± 0.050 0.529 ± 0.473 31.91 ± 2.89 152.80 ± 3.66
MX3 -0.773 ± 0.051 0.342 ± 0.105 0.534 ± 0.476 32.25 ± 2.54 156.15 ± 7.75
RH08 -0.237 ± 0.026 -0.929 ± 0.009 0.285 ± 0.277 16.55 ± 1.22 255.71 ± 1.59
RH09 -0.251 ± 0.061 -0.918 ± 0.024 0.307 ± 0.297 17.89 ± 3.27 254.71 ± 3.78
RH10 -0.281 ± 0.061 -0.901 ± 0.026 0.330 ± 0.317 19.25 ± 3.32 252.70 ± 3.86
Average -0.593 -0.124 0.355 21.274 192.793
Median -0.739 0.342 0.520 31.361 168.499
Deviation 0.288 0.659 0.245 14.712 51.308

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 14.7 ± 6.7 363.1 ± 46.3 1.40 ± 0.21
VC 59.5 ± 7.9 541.6 ± 62.6 1.40 ± 0.21
MX1 14.6 ± 7.3 367.4 ± 46.3 1.40 ± 0.21
MX2 14.7 ± 7.6 370.3 ± 46.3 1.40 ± 0.21
MX3 15.4 ± 8.4 379.0 ± 46.5 1.40 ± 0.21
RH08 87.1 ± 3.9 96.6 ± 13.9 1.40 ± 0.21
RH09 88.7 ± 3.8 103.0 ± 13.5 1.40 ± 0.21
RH10 89.0 ± 3.9 116.4 ± 12.8 1.40 ± 0.21
Average 48.0 292.2 1.40
Median 59.5 367.4 1.40
Deviation 36.6 165.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 115.2 ± 5.0 44.7 ± 4.0 62.1 ± 3.6 67.0 ± 2.4 2.59 ± 0.18 1.72 ± 0.10
VC 162.8 ± 3.7 20.1 ± 1.2 32.6 ± 1.9 78.1 ± 1.5 8.13 ± 0.36 2.08 ± 0.04
MX1 115.6 ± 5.1 44.7 ± 4.0 62.2 ± 3.7 67.0 ± 2.4 2.60 ± 0.19 1.73 ± 0.10
MX2 115.9 ± 5.1 44.7 ± 4.0 62.2 ± 3.6 67.0 ± 2.4 2.61 ± 0.19 1.73 ± 0.10
MX3 116.8 ± 5.2 44.4 ± 4.0 61.9 ± 3.6 67.2 ± 2.3 2.64 ± 0.19 1.74 ± 0.10
RH8 0.6 ± 2.3 1.9 ± 0.1 3.2 ± 0.2 80.6 ± 1.5 0.30 ± 1.15 0.01 ± 0.03
RH9 3.0 ± 2.4 0.8 ± 0.0 1.4 ± 0.1 80.6 ± 1.5 3.47 ± 2.72 0.04 ± 0.03
RH10 6.5 ± 2.6 0.7 ± 0.0 1.1 ± 0.1 80.6 ± 1.5 9.63 ± 3.55 0.08 ± 0.03
Average 79.5 25.2 35.9 73.5 4.0 1.1
Median 115.6 44.4 61.9 78.1 2.6 1.7
Deviation 65.1 21.6 29.8 7.0 3.2 0.9

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 84.5 ± 1.9 52.2 ± 2.3 69.5 ± 1.0 75.0 ± 0.4 1.62 ± 0.09 1.13 ± 0.03
VC 118.9 ± 1.9 23.2 ± 0.7 36.5 ± 0.5 88.3 ± 1.1 5.13 ± 0.16 1.35 ± 0.03
MX1 84.8 ± 1.8 52.2 ± 2.3 69.6 ± 1.0 74.9 ± 0.4 1.63 ± 0.09 1.13 ± 0.03
MX2 85.0 ± 1.8 52.2 ± 2.3 69.5 ± 1.0 74.9 ± 0.4 1.63 ± 0.09 1.13 ± 0.03
MX3 85.5 ± 1.7 51.8 ± 2.2 69.3 ± 1.0 75.2 ± 0.4 1.65 ± 0.09 1.14 ± 0.03
RH8 0.8 ± 2.7 2.2 ± 0.1 3.6 ± 0.1 91.3 ± 1.3 0.34 ± 1.20 0.01 ± 0.03
RH9 2.6 ± 2.6 1.0 ± 0.0 1.6 ± 0.0 91.3 ± 1.3 2.67 ± 2.68 0.03 ± 0.03
RH10 4.9 ± 2.6 0.8 ± 0.0 1.3 ± 0.0 91.3 ± 1.3 6.34 ± 3.31 0.05 ± 0.03
Average 58.4 29.5 40.1 82.8 2.6 0.7
Median 84.8 51.8 69.3 88.3 1.7 1.1
Deviation 47.5 25.3 33.4 8.4 2.0 0.6

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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