CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20052331534
Observation time: 08/21/2005 233.64887 1534 [UT]

Wind spacecraft

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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 233.648872
Arrival time of shock [seconds of day] 56062.5 ± 90.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 233.951
Y GSE location of spacecraft [Re] -96.139
Z GSE location of spacecraft [Re] 4.681
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0260
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0147
Minimum chisq/dof for RH8,RH9,RH10 3.30, 16.55, 17.82
Event added to database
Mon Sep 23 17:15:41 2013
Event last processed
Tue Sep 24 16:34:26 2013
Method selected
RH08
Propagation delay to Earth [minutes]
49.739 ± 5.451

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -388.9 ± 1.5 -427.0 ± 8.8
Vy GSE [km/s] -66.1 ± 2.9 -30.6 ± 19.6
Vz GSE [km/s] 18.5 ± 2.4 4.6 ± 2.5
Wi [km/s] 25.3 ± 1.1 52.1 ± 7.7
We [km/s] 799.9 ± 34.2 1648.4 ± 242.5
Ni [n/cc] 53.4 ± 1.9 5.3 ± 0.7
Bx GSE [nT] 1.4 ± 0.6 -5.9 ± 0.9
By GSE [nT] -4.9 ± 1.5 2.5 ± 1.3
Bz GSE [nT] 0.2 ± 1.6 -10.8 ± 0.2
Plasma Beta
3.219 ± 2.257
0.201 ± 0.153
Sound Speed [km/s]
32.66 ± 1.40
67.30 ± 9.90
Alfven Speed [km/s]
16.15 ± 3.79
120.59 ± 11.27

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.467 ± 0.801 -0.815 ± 0.478 -0.342 ± 0.328 -20.01 ± 27.56 240.19 ± 56.01
VC -0.732 ± 0.198 0.630 ± 0.230 -0.260 ± 0.254 -15.06 ± 5.24 139.30 ± 17.95
MX1 -0.740 ± 0.534 -0.658 ± 0.600 -0.140 ± 0.139 -8.02 ± 25.52 221.67 ± 46.34
MX2 -0.442 ± 0.242 0.600 ± 0.188 0.667 ± 0.544 41.84 ± 7.65 126.35 ± 22.53
MX3 -0.665 ± 0.280 0.428 ± 0.418 0.612 ± 0.521 37.74 ± 9.39 147.21 ± 35.70
RH08 -0.892 ± 0.013 -0.282 ± 0.032 0.352 ± 0.337 20.61 ± 1.33 197.55 ± 2.02
RH09 -0.879 ± 0.034 -0.365 ± 0.066 0.307 ± 0.297 17.89 ± 4.00 202.56 ± 4.24
RH10 -0.879 ± 0.034 -0.365 ± 0.066 0.307 ± 0.297 17.89 ± 4.00 202.56 ± 4.24
Average -0.712 -0.104 0.188 11.612 184.675
Median -0.732 -0.282 0.307 17.894 202.563
Deviation 0.179 0.573 0.388 23.463 41.613

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 55.2 ± 14.3 231.1 ± 0.8 0.10 ± 0.02
VC 38.7 ± 8.6 232.0 ± 0.5 0.10 ± 0.02
MX1 68.1 ± 7.4 328.7 ± 0.7 0.10 ± 0.02
MX2 50.1 ± 16.5 140.9 ± 0.6 0.10 ± 0.02
MX3 56.5 ± 12.6 237.9 ± 0.5 0.10 ± 0.02
RH08 86.9 ± 9.0 370.5 ± 0.3 0.10 ± 0.02
RH09 82.8 ± 7.6 370.4 ± 0.4 0.10 ± 0.02
RH10 82.8 ± 7.6 370.4 ± 1.9 0.10 ± 0.02
Average 65.1 285.2 0.10
Median 68.1 328.7 0.10
Deviation 17.7 86.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 1.9 ± 3.1 8.4 ± 1.7 9.2 ± 2.2 35.6 ± 1.3 0.21 ± 0.37 0.05 ± 0.09
VC -6.3 ± 2.0 11.9 ± 2.5 12.6 ± 3.0 34.6 ± 1.3 -0.57 ± 0.28 -0.18 ± 0.05
MX1 0.1 ± 2.7 5.4 ± 1.1 6.0 ± 1.4 36.2 ± 1.4 -0.02 ± 0.53 0.00 ± 0.07
MX2 -3.5 ± 2.4 9.5 ± 2.0 10.4 ± 2.4 35.3 ± 1.3 -0.39 ± 0.27 -0.10 ± 0.06
MX3 -3.6 ± 1.8 8.1 ± 1.7 8.9 ± 2.1 35.7 ± 1.3 -0.48 ± 0.28 -0.10 ± 0.05
RH8 -1.8 ± 1.4 0.8 ± 0.2 0.9 ± 0.2 36.6 ± 1.5 -2.63 ± 2.65 -0.05 ± 0.04
RH9 -1.2 ± 1.6 1.8 ± 0.4 2.0 ± 0.5 36.6 ± 1.5 -0.82 ± 1.16 -0.03 ± 0.04
RH10 -1.2 ± 1.6 1.8 ± 0.4 2.0 ± 0.5 36.6 ± 1.5 -0.82 ± 1.16 -0.03 ± 0.04
Average -1.9 6.0 6.5 35.9 -0.7 -0.1
Median -1.2 8.1 8.9 36.2 -0.5 -0.0
Deviation 2.5 4.1 4.4 0.7 0.9 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 8.3 ± 18.6 34.3 ± 3.2 68.9 ± 6.4 134.2 ± 5.8 0.23 ± 0.52 0.07 ± 0.14
VC -60.2 ± 11.2 48.6 ± 5.1 94.1 ± 8.8 129.7 ± 7.0 -1.25 ± 0.31 -0.47 ± 0.09
MX1 -6.6 ± 16.6 22.0 ± 1.9 45.0 ± 4.2 136.8 ± 5.2 -0.33 ± 0.74 -0.05 ± 0.12
MX2 -32.3 ± 12.8 38.9 ± 3.7 77.3 ± 7.2 133.0 ± 6.1 -0.84 ± 0.36 -0.24 ± 0.10
MX3 -35.6 ± 9.9 33.0 ± 3.0 66.5 ± 6.2 134.5 ± 5.7 -1.09 ± 0.37 -0.27 ± 0.07
RH8 -20.8 ± 10.6 3.2 ± 0.3 6.6 ± 0.6 138.5 ± 4.9 -6.77 ± 3.68 -0.15 ± 0.07
RH9 -17.4 ± 11.7 7.3 ± 0.6 15.2 ± 1.4 138.4 ± 4.9 -2.46 ± 1.69 -0.12 ± 0.08
RH10 -17.4 ± 11.7 7.3 ± 0.6 15.2 ± 1.4 138.4 ± 4.9 -2.46 ± 1.69 -0.12 ± 0.08
Average -22.8 24.3 48.6 135.4 -1.9 -0.2
Median -17.4 33.0 66.5 136.8 -1.1 -0.1
Deviation 20.5 16.9 33.0 3.2 2.2 0.2

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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