CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20051980052
Observation time: 07/17/2005 198.03675 0052 [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
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2005
Fractional day of year 198.036753
Arrival time of shock [seconds of day] 3175.5 ± 70.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 264.100
Y GSE location of spacecraft [Re] -5.242
Z GSE location of spacecraft [Re] 20.536
Upstream plasma points selected for analysis 0010
Upstream field points selected for analysis 0303
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0137
Minimum chisq/dof for RH8,RH9,RH10 26.00, 34.96, 36.49
Event added to database
Mon Sep 23 17:07:41 2013
Event last processed
Tue Sep 24 16:28:21 2013
Method selected
RH08
Propagation delay to Earth [minutes]
66.570 ± 16.779

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -419.8 ± 0.9 -438.7 ± 3.4
Vy GSE [km/s] 38.9 ± 1.3 87.6 ± 1.7
Vz GSE [km/s] -6.5 ± 1.4 -18.7 ± 2.1
Wi [km/s] 42.9 ± 1.3 53.7 ± 0.9
We [km/s] 1355.5 ± 40.3 1699.6 ± 28.8
Ni [n/cc] 6.9 ± 0.3 11.4 ± 0.9
Bx GSE [nT] -5.4 ± 0.1 -8.7 ± 0.5
By GSE [nT] -0.5 ± 0.4 -1.5 ± 0.3
Bz GSE [nT] -0.2 ± 0.2 3.2 ± 1.0
Plasma Beta
0.902 ± 0.904
0.788 ± 0.821
Sound Speed [km/s]
55.34 ± 1.64
69.39 ± 1.17
Alfven Speed [km/s]
45.24 ± 1.29
60.78 ± 3.00

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.742 ± 0.109 0.072 ± 0.189 -0.666 ± 0.544 -41.78 ± 9.25 174.49 ± 14.53
VC -0.351 ± 0.054 0.908 ± 0.023 -0.227 ± 0.223 -13.12 ± 2.42 111.15 ± 3.42
MX1 -0.492 ± 0.136 0.844 ± 0.080 -0.215 ± 0.212 -12.44 ± 2.28 120.25 ± 9.23
MX2 -0.454 ± 0.098 0.873 ± 0.051 -0.180 ± 0.178 -10.34 ± 2.82 117.45 ± 6.42
MX3 -0.428 ± 0.078 0.891 ± 0.038 -0.152 ± 0.151 -8.73 ± 3.68 115.63 ± 5.00
RH08 -0.569 ± 0.009 -0.236 ± 0.012 -0.788 ± 0.559 -51.97 ± 0.56 202.56 ± 1.20
RH09 -0.902 ± 0.026 0.432 ± 0.053 0.006 ± 0.006 0.32 ± 2.83 154.43 ± 3.39
RH10 -0.909 ± 0.026 0.416 ± 0.057 0.017 ± 0.017 0.96 ± 3.32 155.43 ± 3.59
Average -0.606 0.525 -0.276 -17.137 143.924
Median -0.492 0.844 -0.180 -10.342 154.429
Deviation 0.218 0.433 0.295 19.302 33.278

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 41.4 ± 1.6 384.4 ± 0.6 1.61 ± 0.13
VC 74.2 ± 4.0 323.5 ± 2.1 1.61 ± 0.13
MX1 65.3 ± 4.0 377.6 ± 1.9 1.61 ± 0.13
MX2 67.9 ± 4.1 363.1 ± 2.0 1.61 ± 0.13
MX3 69.7 ± 4.1 352.9 ± 2.0 1.61 ± 0.13
RH08 52.4 ± 2.1 255.6 ± 0.9 1.61 ± 0.13
RH09 31.0 ± 4.3 492.4 ± 1.0 1.61 ± 0.13
RH10 30.0 ± 4.3 492.5 ± 5.8 1.61 ± 0.13
Average 54.0 380.2 1.61
Median 65.3 377.6 1.61
Deviation 17.9 80.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 65.7 ± 1.2 28.7 ± 0.5 33.9 ± 1.0 65.5 ± 1.1 2.29 ± 0.03 1.00 ± 0.02
VC 139.2 ± 1.3 9.6 ± 0.1 12.3 ± 0.4 70.8 ± 1.1 14.49 ± 0.15 1.97 ± 0.02
MX1 136.9 ± 1.3 14.9 ± 0.2 18.9 ± 0.5 69.9 ± 1.1 9.16 ± 0.09 1.96 ± 0.02
MX2 137.6 ± 1.3 13.4 ± 0.2 17.0 ± 0.5 70.2 ± 1.1 10.28 ± 0.10 1.96 ± 0.02
MX3 137.8 ± 1.3 12.3 ± 0.2 15.7 ± 0.4 70.4 ± 1.1 11.17 ± 0.11 1.96 ± 0.02
RH8 20.8 ± 1.4 22.5 ± 0.4 27.6 ± 0.8 67.9 ± 1.1 0.92 ± 0.06 0.31 ± 0.02
RH9 97.0 ± 1.1 34.2 ± 0.6 38.8 ± 1.1 62.8 ± 1.1 2.84 ± 0.02 1.54 ± 0.03
RH10 94.8 ± 1.1 34.6 ± 0.6 39.2 ± 1.1 62.5 ± 1.1 2.74 ± 0.02 1.52 ± 0.03
Average 103.7 21.3 25.4 67.5 6.7 1.5
Median 136.9 22.5 27.6 69.9 9.2 2.0
Deviation 43.3 10.1 10.9 3.5 5.1 0.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 40.1 ± 3.6 37.5 ± 0.9 45.6 ± 2.3 84.3 ± 1.1 1.07 ± 0.08 0.47 ± 0.04
VC 85.6 ± 1.5 12.5 ± 0.3 16.5 ± 0.8 91.4 ± 1.3 6.82 ± 0.09 0.94 ± 0.01
MX1 83.9 ± 1.8 19.5 ± 0.4 25.4 ± 1.3 90.2 ± 1.3 4.30 ± 0.03 0.93 ± 0.01
MX2 84.3 ± 1.6 17.5 ± 0.4 22.8 ± 1.1 90.6 ± 1.3 4.83 ± 0.05 0.93 ± 0.01
MX3 84.4 ± 1.6 16.1 ± 0.4 21.1 ± 1.0 90.9 ± 1.3 5.24 ± 0.06 0.93 ± 0.01
RH8 12.0 ± 3.6 29.4 ± 0.7 37.1 ± 1.8 87.5 ± 1.2 0.41 ± 0.12 0.14 ± 0.04
RH9 59.0 ± 2.8 44.8 ± 1.1 52.1 ± 2.6 80.7 ± 0.9 1.32 ± 0.03 0.73 ± 0.03
RH10 57.6 ± 2.8 45.4 ± 1.2 52.6 ± 2.6 80.3 ± 0.9 1.27 ± 0.03 0.72 ± 0.03
Average 63.4 27.8 34.2 87.0 3.2 0.7
Median 83.9 29.4 37.1 90.2 4.3 0.9
Deviation 26.8 13.3 14.6 4.6 2.4 0.3

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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