CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20052521333
Observation time: 09/09/2005 252.56460 1333 [UT]

Wind spacecraft

Site
Data tables
Selection
Normals
Parameters
Previous event
Next event
Yearly list
Main page
Help

General information
Asymptotic parameters
Shock front normals
Key parameters
Wave speed and Mach numbers
Survey
Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2005
Fractional day of year 252.564601
Arrival time of shock [seconds of day] 48781.5 ± 30.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 213.102
Y GSE location of spacecraft [Re] -94.032
Z GSE location of spacecraft [Re] -7.478
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0180
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0235
Minimum chisq/dof for RH8,RH9,RH10 14.62, 19.35, 20.25
Event added to database
Mon Sep 23 17:25:39 2013
Event last processed
Tue Sep 24 16:43:52 2013
Method selected
RH08
Propagation delay to Earth [minutes]
27.210 ± 0.721

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -338.5 ± 2.1 -479.5 ± 10.6
Vy GSE [km/s] -15.2 ± 1.6 -91.8 ± 9.5
Vz GSE [km/s] -10.7 ± 1.9 25.7 ± 8.4
Wi [km/s] 28.2 ± 0.8 65.5 ± 8.2
We [km/s] 890.8 ± 25.7 2070.1 ± 258.2
Ni [n/cc] 13.7 ± 1.3 30.1 ± 4.7
Bx GSE [nT] -2.2 ± 1.0 -6.7 ± 3.1
By GSE [nT] 4.6 ± 0.6 9.5 ± 1.4
Bz GSE [nT] -2.0 ± 0.4 0.2 ± 4.9
Plasma Beta
0.794 ± 0.806
1.751 ± 1.557
Sound Speed [km/s]
36.37 ± 1.05
84.51 ± 10.54
Alfven Speed [km/s]
32.09 ± 4.18
50.89 ± 4.85

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.708 ± 0.727 -0.678 ± 0.759 0.195 ± 0.193 11.27 ± 39.51 223.75 ± 60.90
VC -0.857 ± 0.022 -0.465 ± 0.037 0.221 ± 0.218 12.78 ± 2.66 208.49 ± 2.43
MX1 -0.680 ± 0.291 -0.675 ± 0.294 0.287 ± 0.279 16.69 ± 8.08 224.79 ± 24.63
MX2 -0.701 ± 0.195 -0.666 ± 0.205 0.257 ± 0.251 14.87 ± 2.85 223.54 ± 16.76
MX3 -0.711 ± 0.175 -0.665 ± 0.187 0.228 ± 0.224 13.19 ± 6.48 223.09 ± 14.98
RH08 -0.919 ± 0.004 -0.363 ± 0.009 0.151 ± 0.150 8.68 ± 0.54 201.56 ± 0.55
RH09 -0.304 ± 0.067 0.126 ± 0.070 -0.944 ± 0.407 -70.76 ± 4.01 157.44 ± 12.32
RH10 -0.327 ± 0.066 0.150 ± 0.070 -0.933 ± 0.433 -68.90 ± 3.98 155.43 ± 11.23
Average -0.651 -0.405 -0.067 -7.773 202.261
Median -0.701 -0.465 0.221 12.779 223.093
Deviation 0.223 0.354 0.539 38.378 29.514

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 68.4 ± 8.6 544.0 ± 8.5 2.26 ± 0.42
VC 81.9 ± 8.6 603.3 ± 9.1 2.26 ± 0.42
MX1 65.8 ± 8.6 532.8 ± 8.5 2.26 ± 0.42
MX2 67.4 ± 8.6 541.8 ± 8.6 2.26 ± 0.42
MX3 68.4 ± 8.6 545.9 ± 8.6 2.26 ± 0.42
RH08 89.8 ± 8.6 620.3 ± 9.0 2.26 ± 0.42
RH09 55.5 ± 2.0 104.2 ± 1.5 2.26 ± 0.42
RH10 53.8 ± 2.1 115.9 ± 9.2 2.26 ± 0.42
Average 68.9 451.0 2.26
Median 68.4 544.0 2.26
Deviation 12.1 212.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 295.9 ± 2.5 9.0 ± 0.7 11.8 ± 1.5 47.7 ± 3.3 33.07 ± 2.42 6.23 ± 0.42
VC 308.4 ± 2.5 3.4 ± 0.3 4.5 ± 0.6 48.4 ± 3.4 91.98 ± 6.70 6.39 ± 0.43
MX1 295.5 ± 2.6 10.1 ± 0.8 13.2 ± 1.7 47.5 ± 3.3 29.51 ± 2.18 6.24 ± 0.43
MX2 297.2 ± 2.6 9.4 ± 0.7 12.3 ± 1.6 47.7 ± 3.3 31.86 ± 2.34 6.26 ± 0.43
MX3 297.5 ± 2.6 9.0 ± 0.7 11.8 ± 1.5 47.7 ± 3.3 33.25 ± 2.44 6.26 ± 0.43
RH8 305.2 ± 2.5 0.1 ± 0.0 0.1 ± 0.0 48.6 ± 3.4 3095.36 ± 223.78 6.31 ± 0.43
RH9 -7.0 ± 1.9 14.2 ± 1.1 18.2 ± 2.4 46.4 ± 3.2 -0.50 ± 0.16 -0.15 ± 0.05
RH10 -2.7 ± 1.9 14.9 ± 1.1 19.0 ± 2.5 46.2 ± 3.2 -0.19 ± 0.13 -0.06 ± 0.04
Average 223.8 8.7 11.4 47.5 414.3 4.7
Median 297.2 9.4 12.3 47.7 33.1 6.3
Deviation 141.2 5.0 6.3 0.8 1083.7 3.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 137.0 ± 12.3 16.1 ± 1.0 18.8 ± 1.8 97.6 ± 8.3 8.54 ± 1.22 1.42 ± 0.20
VC 143.9 ± 12.5 6.1 ± 0.4 7.1 ± 0.7 98.8 ± 8.2 23.86 ± 3.33 1.47 ± 0.20
MX1 137.5 ± 12.3 18.1 ± 1.1 20.9 ± 2.0 97.3 ± 8.3 7.67 ± 1.09 1.43 ± 0.20
MX2 138.1 ± 12.3 16.8 ± 1.0 19.5 ± 1.9 97.5 ± 8.3 8.26 ± 1.17 1.43 ± 0.20
MX3 138.0 ± 12.4 16.1 ± 1.0 18.8 ± 1.8 97.6 ± 8.3 8.60 ± 1.22 1.43 ± 0.20
RH8 142.3 ± 12.3 0.2 ± 0.0 0.2 ± 0.0 98.9 ± 8.2 801.85 ± 111.87 1.45 ± 0.20
RH9 -5.8 ± 5.9 25.3 ± 1.6 28.8 ± 2.7 95.6 ± 8.4 -0.23 ± 0.24 -0.06 ± 0.06
RH10 -3.3 ± 5.6 26.5 ± 1.7 30.1 ± 2.9 95.3 ± 8.4 -0.12 ± 0.21 -0.03 ± 0.06
Average 103.4 15.7 18.0 97.3 107.3 1.1
Median 138.0 16.8 19.5 97.6 8.5 1.4
Deviation 66.7 8.9 10.1 1.3 280.7 0.7

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)

   
 

Section Photo