CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20050950255
Observation time: 04/05/2005 95.12165 0255 [UT]

Wind spacecraft

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Wave speed and Mach numbers
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2005
Fractional day of year 95.121649
Arrival time of shock [seconds of day] 10510.5 ± 30.0
Shock type FR
Electron data availability 0
X GSE location of spacecraft [Re] 199.770
Y GSE location of spacecraft [Re] -38.974
Z GSE location of spacecraft [Re] -16.560
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0259
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0273
Minimum chisq/dof for RH8,RH9,RH10 6.00, 8.53, 8.74
Event added to database
Mon Sep 23 16:16:03 2013
Event last processed
Tue Sep 24 15:58:02 2013
Method selected
RH08
Propagation delay to Earth [minutes]
42.435 ± 0.532

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -570.4 ± 11.6 -648.5 ± 12.8
Vy GSE [km/s] 41.8 ± 9.7 29.3 ± 39.9
Vz GSE [km/s] 26.9 ± 22.4 24.7 ± 18.5
Wi [km/s] 80.8 ± 3.3 61.6 ± 3.9
We [km/s] 2554.0 ± 104.1 1949.1 ± 124.3
Ni [n/cc] 7.2 ± 0.4 3.7 ± 0.3
Bx GSE [nT] 5.1 ± 1.4 3.2 ± 1.5
By GSE [nT] -12.6 ± 0.6 -4.0 ± 3.2
Bz GSE [nT] -0.3 ± 1.7 1.1 ± 1.6
Plasma Beta
0.523 ± 0.517
0.905 ± 0.763
Sound Speed [km/s]
104.27 ± 4.25
79.57 ± 5.07
Alfven Speed [km/s]
112.00 ± 3.35
71.40 ± 12.95

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.983 ± 0.082 -0.181 ± 0.447 -0.001 ± 0.001 -0.07 ± 39.27 190.46 ± 26.03
VC -0.990 ± 0.061 -0.137 ± 0.434 -0.031 ± 0.031 -1.80 ± 17.54 187.85 ± 25.10
MX1 -0.946 ± 0.085 -0.322 ± 0.248 -0.025 ± 0.025 -1.43 ± 18.80 198.79 ± 15.04
MX2 -0.939 ± 0.138 -0.238 ± 0.381 -0.247 ± 0.242 -14.29 ± 23.80 194.19 ± 23.19
MX3 -0.949 ± 0.083 -0.300 ± 0.248 -0.099 ± 0.099 -5.69 ± 16.17 197.58 ± 14.96
RH08 -0.988 ± 0.003 -0.148 ± 0.019 -0.050 ± 0.050 -2.88 ± 1.56 188.52 ± 1.08
RH09 -0.993 ± 0.008 -0.096 ± 0.068 -0.061 ± 0.061 -3.52 ± 4.03 185.52 ± 3.95
RH10 -0.996 ± 0.006 -0.079 ± 0.068 -0.050 ± 0.050 -2.88 ± 4.06 184.51 ± 3.91
Average -0.973 -0.188 -0.071 -4.070 190.928
Median -0.983 -0.148 -0.050 -2.882 190.457
Deviation 0.024 0.091 0.077 4.447 5.380

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 78.5 ± 6.0 470.4 ± 3.5 0.52 ± 0.04
VC 75.9 ± 5.9 473.0 ± 3.3 0.52 ± 0.04
MX1 86.8 ± 6.0 445.2 ± 3.7 0.52 ± 0.04
MX2 82.7 ± 4.9 434.6 ± 3.0 0.52 ± 0.04
MX3 85.7 ± 5.6 441.6 ± 3.4 0.52 ± 0.04
RH08 76.6 ± 5.8 472.0 ± 3.3 0.52 ± 0.04
RH09 73.7 ± 5.7 474.7 ± 3.2 0.52 ± 0.04
RH10 72.7 ± 5.8 478.3 ± 26.7 0.52 ± 0.04
Average 79.1 461.2 0.52
Median 78.5 472.0 0.52
Deviation 5.4 17.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -82.9 ± 12.3 15.3 ± 0.3 22.4 ± 0.7 152.3 ± 2.9 -5.41 ± 0.83 -0.54 ± 0.08
VC -85.3 ± 11.7 18.7 ± 0.4 27.2 ± 0.8 151.9 ± 2.9 -4.57 ± 0.65 -0.56 ± 0.08
MX1 -80.5 ± 12.3 4.3 ± 0.1 6.3 ± 0.2 153.0 ± 2.9 -18.71 ± 2.95 -0.53 ± 0.08
MX2 -84.7 ± 9.4 9.7 ± 0.2 14.2 ± 0.4 152.8 ± 2.9 -8.77 ± 1.02 -0.55 ± 0.06
MX3 -84.2 ± 11.2 5.8 ± 0.1 8.5 ± 0.3 153.0 ± 2.9 -14.63 ± 2.03 -0.55 ± 0.08
RH8 -83.9 ± 11.4 17.8 ± 0.3 25.9 ± 0.8 152.0 ± 2.9 -4.73 ± 0.67 -0.55 ± 0.08
RH9 -86.3 ± 11.1 21.6 ± 0.4 31.5 ± 0.9 151.5 ± 2.9 -3.99 ± 0.53 -0.57 ± 0.08
RH10 -85.0 ± 11.2 23.0 ± 0.4 33.4 ± 1.0 151.3 ± 2.9 -3.70 ± 0.51 -0.56 ± 0.08
Average -84.1 14.5 21.2 152.2 -8.1 -0.6
Median -84.2 17.8 25.9 152.3 -4.7 -0.6
Deviation 1.8 7.1 10.3 0.6 5.6 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -161.9 ± 16.0 10.5 ± 1.3 14.3 ± 2.6 107.0 ± 6.1 -15.70 ± 2.88 -1.52 ± 0.17
VC -164.3 ± 15.3 12.8 ± 1.6 17.4 ± 3.1 106.8 ± 6.1 -13.09 ± 2.48 -1.54 ± 0.17
MX1 -158.5 ± 20.0 2.9 ± 0.4 4.0 ± 0.7 107.5 ± 6.2 -54.47 ± 9.14 -1.48 ± 0.19
MX2 -161.6 ± 20.4 6.6 ± 0.8 9.0 ± 1.6 107.3 ± 6.2 -24.75 ± 4.30 -1.51 ± 0.19
MX3 -162.3 ± 20.4 3.9 ± 0.5 5.4 ± 1.0 107.5 ± 6.2 -41.70 ± 7.04 -1.51 ± 0.19
RH8 -163.0 ± 15.8 12.2 ± 1.5 16.5 ± 3.0 106.9 ± 6.1 -13.65 ± 2.56 -1.53 ± 0.17
RH9 -165.2 ± 14.7 14.8 ± 1.8 20.1 ± 3.6 106.5 ± 6.0 -11.37 ± 2.21 -1.56 ± 0.18
RH10 -163.9 ± 14.3 15.7 ± 1.9 21.3 ± 3.9 106.4 ± 6.0 -10.62 ± 2.10 -1.55 ± 0.17
Average -162.6 9.9 13.5 107.0 -23.2 -1.5
Median -162.3 12.2 16.5 107.0 -13.7 -1.5
Deviation 2.1 4.9 6.6 0.4 16.3 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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