CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20002481313
Observation time: 09/04/2000 248.55120 1313 [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 2000
Fractional day of year 248.551198
Arrival time of shock [seconds of day] 47623.5 ± 18.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 19.173
Y GSE location of spacecraft [Re] -186.157
Z GSE location of spacecraft [Re] -10.040
Upstream plasma points selected for analysis 0010
Upstream field points selected for analysis 0304
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0298
Minimum chisq/dof for RH8,RH9,RH10 8.93, 22.52, 22.82
Event added to database
Mon Feb 14 11:10:19 2005
Event last processed
Mon Mar 30 19:43:25 2009
Method selected
RH08
Propagation delay to Earth [minutes]
5.998 ± 0.610

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -458.3 ± 5.1 -476.8 ± 7.5
Vy GSE [km/s] -7.2 ± 4.8 11.6 ± 8.9
Vz GSE [km/s] 44.3 ± 3.9 43.5 ± 7.3
Wi [km/s] 31.0 ± 2.3 40.5 ± 1.5
We [km/s] 979.5 ± 71.5 1279.9 ± 47.6
Ni [n/cc] 4.2 ± 0.2 8.5 ± 0.3
Bx GSE [nT] -2.2 ± 0.3 -4.5 ± 0.9
By GSE [nT] 1.4 ± 0.4 1.3 ± 1.2
Bz GSE [nT] -3.2 ± 0.2 -4.8 ± 1.0
Plasma Beta
0.497 ± 0.502
0.608 ± 0.622
Sound Speed [km/s]
39.99 ± 2.92
52.25 ± 1.94
Alfven Speed [km/s]
44.34 ± 1.75
52.02 ± 1.97

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.906 ± 0.384 0.286 ± 1.004 0.314 ± 0.303 18.27 ± 41.98 162.50 ± 63.34
VC -0.719 ± 0.262 0.691 ± 0.273 -0.073 ± 0.073 -4.20 ± 18.19 136.13 ± 21.71
MX1 -0.734 ± 0.402 0.579 ± 0.490 0.357 ± 0.341 20.89 ± 29.58 141.74 ± 37.18
MX2 -0.794 ± 0.440 0.552 ± 0.619 0.253 ± 0.248 14.66 ± 28.65 145.19 ± 44.36
MX3 -0.849 ± 0.427 0.480 ± 0.736 0.221 ± 0.217 12.77 ± 28.93 150.51 ± 49.57
RH08 -0.992 ± 0.001 0.043 ± 0.014 0.117 ± 0.117 6.74 ± 0.64 177.49 ± 0.78
RH09 -0.990 ± 0.010 0.131 ± 0.068 -0.061 ± 0.061 -3.52 ± 4.03 172.48 ± 3.95
RH10 -0.990 ± 0.010 0.131 ± 0.068 -0.061 ± 0.061 -3.52 ± 4.03 172.48 ± 3.95
Average -0.872 0.362 0.133 7.761 157.314
Median -0.849 0.480 0.221 12.769 162.497
Deviation 0.115 0.245 0.179 10.380 15.941

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 70.0 ± 5.4 471.6 ± 18.9 2.04 ± 0.13
VC 47.1 ± 5.8 370.8 ± 15.8 2.04 ± 0.13
MX1 71.3 ± 5.7 396.4 ± 19.5 2.04 ± 0.13
MX2 65.0 ± 5.7 420.6 ± 18.7 2.04 ± 0.13
MX3 63.2 ± 5.6 443.7 ± 18.3 2.04 ± 0.13
RH08 63.0 ± 5.2 498.1 ± 16.9 2.04 ± 0.13
RH09 51.7 ± 5.2 490.5 ± 15.0 2.04 ± 0.13
RH10 51.7 ± 5.2 490.5 ± 15.0 2.04 ± 0.13
Average 60.4 447.8 2.04
Median 63.2 471.6 2.04
Deviation 9.1 47.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 44.7 ± 4.8 10.3 ± 0.3 15.2 ± 0.6 58.9 ± 1.1 4.34 ± 0.42 0.76 ± 0.08
VC 49.6 ± 4.2 21.6 ± 0.7 30.2 ± 1.2 55.8 ± 1.0 2.30 ± 0.17 0.89 ± 0.07
MX1 48.6 ± 4.4 9.6 ± 0.3 14.2 ± 0.6 59.0 ± 1.1 5.07 ± 0.43 0.82 ± 0.07
MX2 49.4 ± 4.4 12.8 ± 0.4 18.7 ± 0.7 58.4 ± 1.1 3.86 ± 0.31 0.84 ± 0.07
MX3 48.3 ± 4.5 13.7 ± 0.4 20.0 ± 0.8 58.2 ± 1.1 3.52 ± 0.29 0.83 ± 0.07
RH8 38.5 ± 5.1 13.8 ± 0.4 20.1 ± 0.8 58.2 ± 1.1 2.78 ± 0.33 0.66 ± 0.08
RH9 40.6 ± 4.9 19.4 ± 0.6 27.5 ± 1.1 56.6 ± 1.1 2.09 ± 0.22 0.72 ± 0.08
RH10 40.6 ± 4.9 19.4 ± 0.6 27.5 ± 1.1 56.6 ± 1.1 2.09 ± 0.22 0.72 ± 0.08
Average 45.0 15.1 21.7 57.7 3.3 0.8
Median 48.3 13.8 20.1 58.2 3.5 0.8
Deviation 4.6 4.5 6.0 1.2 1.1 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 22.8 ± 9.2 12.8 ± 0.4 17.8 ± 0.7 72.6 ± 2.1 1.79 ± 0.73 0.32 ± 0.13
VC 23.2 ± 7.6 26.9 ± 0.7 35.4 ± 1.3 68.7 ± 2.0 0.86 ± 0.29 0.34 ± 0.11
MX1 24.4 ± 9.6 12.0 ± 0.3 16.7 ± 0.6 72.8 ± 2.1 2.05 ± 0.82 0.34 ± 0.13
MX2 24.5 ± 9.1 15.9 ± 0.4 22.0 ± 0.8 72.0 ± 2.1 1.54 ± 0.58 0.34 ± 0.13
MX3 23.7 ± 8.9 17.1 ± 0.5 23.5 ± 0.9 71.7 ± 2.1 1.40 ± 0.53 0.33 ± 0.13
RH8 19.4 ± 8.1 17.2 ± 0.5 23.6 ± 0.9 71.7 ± 2.1 1.13 ± 0.48 0.27 ± 0.12
RH9 19.8 ± 7.0 24.2 ± 0.7 32.2 ± 1.2 69.7 ± 2.0 0.82 ± 0.30 0.29 ± 0.10
RH10 19.8 ± 7.0 24.2 ± 0.7 32.2 ± 1.2 69.7 ± 2.0 0.82 ± 0.30 0.29 ± 0.10
Average 22.2 18.8 25.4 71.1 1.3 0.3
Median 23.2 17.2 23.6 71.7 1.4 0.3
Deviation 2.2 5.6 7.0 1.5 0.5 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 Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

Section Photo