CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20051970140
Observation time: 07/16/2005 197.07012 0140 [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 197.070122
Arrival time of shock [seconds of day] 6058.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 264.310
Y GSE location of spacecraft [Re] -1.894
Z GSE location of spacecraft [Re] 20.700
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0219
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0111
Minimum chisq/dof for RH8,RH9,RH10 19.71, 29.93, 32.74
Event added to database
Mon Sep 23 17:05:52 2013
Event last processed
Tue Sep 24 16:23:53 2013
Method selected
RH08
Propagation delay to Earth [minutes]
60.540 ± 2.398

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -390.3 ± 1.4 -417.0 ± 0.9
Vy GSE [km/s] 15.5 ± 2.0 35.0 ± 2.0
Vz GSE [km/s] 20.8 ± 0.8 11.9 ± 4.0
Wi [km/s] 29.4 ± 0.8 34.8 ± 0.6
We [km/s] 930.7 ± 24.4 1100.5 ± 18.9
Ni [n/cc] 8.6 ± 0.5 14.7 ± 0.7
Bx GSE [nT] 2.8 ± 0.3 4.6 ± 0.1
By GSE [nT] 2.4 ± 0.6 2.9 ± 0.4
Bz GSE [nT] -3.8 ± 0.4 -6.8 ± 0.1
Plasma Beta
0.568 ± 0.559
0.497 ± 0.528
Sound Speed [km/s]
37.99 ± 1.00
44.93 ± 0.77
Alfven Speed [km/s]
39.46 ± 3.59
49.51 ± 2.45

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.934 ± 0.397 0.323 ± 1.140 -0.156 ± 0.154 -8.95 ± 16.94 160.92 ± 69.96
VC -0.781 ± 0.042 0.567 ± 0.051 -0.261 ± 0.255 -15.12 ± 6.23 144.01 ± 3.55
MX1 -0.720 ± 0.118 0.616 ± 0.136 -0.319 ± 0.308 -18.59 ± 5.96 139.44 ± 10.72
MX2 -0.733 ± 0.097 0.597 ± 0.117 -0.327 ± 0.315 -19.09 ± 6.41 140.84 ± 8.95
MX3 -0.749 ± 0.076 0.570 ± 0.093 -0.337 ± 0.324 -19.69 ± 6.95 142.73 ± 6.89
RH08 -0.871 ± 0.015 0.435 ± 0.027 -0.229 ± 0.225 -13.24 ± 1.60 153.43 ± 1.77
RH09 -0.964 ± 0.019 0.232 ± 0.068 -0.128 ± 0.128 -7.38 ± 4.01 166.46 ± 4.07
RH10 -0.964 ± 0.019 0.232 ± 0.068 -0.128 ± 0.128 -7.38 ± 4.01 166.46 ± 4.07
Average -0.839 0.447 -0.236 -13.682 151.787
Median -0.781 0.567 -0.229 -13.241 153.426
Deviation 0.106 0.164 0.089 5.257 11.536

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 76.1 ± 5.0 443.3 ± 1.6 1.74 ± 0.16
VC 88.5 ± 5.6 390.0 ± 1.8 1.74 ± 0.16
MX1 83.0 ± 5.7 365.2 ± 1.8 1.74 ± 0.16
MX2 83.6 ± 5.6 369.6 ± 1.8 1.74 ± 0.16
MX3 84.4 ± 5.5 375.2 ± 1.8 1.74 ± 0.16
RH08 84.0 ± 5.2 421.8 ± 1.7 1.74 ± 0.16
RH09 71.5 ± 4.7 451.5 ± 1.6 1.74 ± 0.16
RH10 71.5 ± 4.7 451.5 ± 7.0 1.74 ± 0.16
Average 80.3 408.5 1.74
Median 83.6 421.8 1.74
Deviation 6.4 37.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 77.2 ± 1.6 6.6 ± 0.3 9.5 ± 0.9 54.4 ± 2.7 11.68 ± 0.54 1.42 ± 0.07
VC 81.9 ± 1.7 0.7 ± 0.0 1.0 ± 0.1 54.8 ± 2.7 118.29 ± 5.42 1.50 ± 0.08
MX1 81.3 ± 1.7 3.3 ± 0.1 4.8 ± 0.4 54.7 ± 2.7 24.58 ± 1.12 1.49 ± 0.08
MX2 81.2 ± 1.7 3.0 ± 0.1 4.4 ± 0.4 54.7 ± 2.7 26.70 ± 1.22 1.49 ± 0.08
MX3 81.0 ± 1.6 2.7 ± 0.1 3.9 ± 0.4 54.8 ± 2.7 30.38 ± 1.38 1.48 ± 0.08
RH8 80.1 ± 1.6 2.9 ± 0.1 4.1 ± 0.4 54.8 ± 2.7 28.11 ± 1.28 1.47 ± 0.07
RH9 74.3 ± 1.5 8.8 ± 0.4 12.5 ± 1.1 54.1 ± 2.7 8.49 ± 0.39 1.38 ± 0.07
RH10 74.3 ± 1.5 8.8 ± 0.4 12.5 ± 1.1 54.1 ± 2.7 8.49 ± 0.39 1.38 ± 0.07
Average 78.9 4.6 6.6 54.6 32.1 1.4
Median 81.0 3.3 4.8 54.7 26.7 1.5
Deviation 3.2 3.0 4.3 0.3 36.0 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 44.6 ± 0.8 8.1 ± 0.1 11.9 ± 0.6 66.4 ± 1.5 5.52 ± 0.03 0.67 ± 0.01
VC 47.6 ± 0.7 0.8 ± 0.0 1.3 ± 0.1 66.9 ± 1.5 56.33 ± 0.21 0.71 ± 0.01
MX1 47.2 ± 0.6 4.0 ± 0.1 6.0 ± 0.3 66.8 ± 1.5 11.69 ± 0.08 0.71 ± 0.01
MX2 47.0 ± 0.6 3.7 ± 0.1 5.5 ± 0.3 66.8 ± 1.5 12.68 ± 0.11 0.70 ± 0.01
MX3 46.8 ± 0.6 3.3 ± 0.1 4.8 ± 0.2 66.8 ± 1.5 14.39 ± 0.15 0.70 ± 0.01
RH8 46.3 ± 0.7 3.5 ± 0.1 5.2 ± 0.3 66.8 ± 1.5 13.31 ± 0.08 0.69 ± 0.01
RH9 42.8 ± 0.8 10.7 ± 0.2 15.7 ± 0.8 66.0 ± 1.5 4.01 ± 0.03 0.65 ± 0.01
RH10 42.8 ± 0.8 10.7 ± 0.2 15.7 ± 0.8 66.0 ± 1.5 4.01 ± 0.03 0.65 ± 0.01
Average 45.6 5.6 8.3 66.6 15.2 0.7
Median 46.8 4.0 6.0 66.8 12.7 0.7
Deviation 1.9 3.7 5.4 0.4 17.1 0.0

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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