CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20002741116
Observation time: 09/30/2000 274.47009 1116 [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 274.470087
Arrival time of shock [seconds of day] 40615.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 33.460
Y GSE location of spacecraft [Re] -252.600
Z GSE location of spacecraft [Re] -4.240
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0271
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0266
Minimum chisq/dof for RH8,RH9,RH10 6.27, 63.27, 64.35
Event added to database
Mon Feb 14 11:10:31 2005
Event last processed
Mon Mar 30 19:47:03 2009
Method selected
RH08
Propagation delay to Earth [minutes]
8.101 ± 0.619

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -397.6 ± 1.8 -418.9 ± 1.4
Vy GSE [km/s] -4.8 ± 1.8 3.8 ± 1.8
Vz GSE [km/s] -22.6 ± 2.9 -22.5 ± 3.0
Wi [km/s] 16.2 ± 0.7 19.7 ± 0.9
We [km/s] 512.2 ± 22.9 622.0 ± 29.7
Ni [n/cc] 6.7 ± 0.4 10.3 ± 0.3
Bx GSE [nT] 5.2 ± 0.7 4.7 ± 0.2
By GSE [nT] 8.6 ± 0.7 13.5 ± 0.3
Bz GSE [nT] -5.4 ± 0.4 -5.2 ± 0.7
Plasma Beta
0.028 ± 0.027
0.036 ± 0.038
Sound Speed [km/s]
20.91 ± 0.94
25.39 ± 1.21
Alfven Speed [km/s]
97.22 ± 3.58
103.30 ± 2.08

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.764 ± 0.225 -0.146 ± 0.248 0.629 ± 0.529 38.95 ± 20.47 190.80 ± 18.31
VC -0.930 ± 0.031 0.369 ± 0.079 0.008 ± 0.008 0.44 ± 9.86 158.37 ± 4.87
MX1 -0.965 ± 0.047 -0.106 ± 0.160 0.239 ± 0.234 13.81 ± 10.59 186.25 ± 9.51
MX2 -0.982 ± 0.034 -0.097 ± 0.158 0.160 ± 0.158 9.19 ± 10.73 185.67 ± 9.22
MX3 -0.997 ± 0.013 -0.082 ± 0.156 -0.005 ± 0.005 -0.27 ± 11.91 184.71 ± 8.95
RH08 -0.993 ± 0.002 0.009 ± 0.009 -0.117 ± 0.117 -6.74 ± 1.22 179.50 ± 0.52
RH09 -0.992 ± 0.009 -0.009 ± 0.070 -0.128 ± 0.128 -7.38 ± 4.01 180.50 ± 4.07
RH10 -0.992 ± 0.009 -0.009 ± 0.070 -0.128 ± 0.128 -7.38 ± 4.01 180.50 ± 4.07
Average -0.952 -0.009 0.082 5.078 180.788
Median -0.982 -0.009 0.008 0.441 184.711
Deviation 0.079 0.162 0.259 15.770 9.810

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 40.9 ± 5.1 332.3 ± 6.5 1.55 ± 0.11
VC 81.3 ± 4.4 430.5 ± 11.7 1.55 ± 0.11
MX1 50.7 ± 4.4 432.7 ± 8.3 1.55 ± 0.11
MX2 53.3 ± 4.2 442.8 ± 8.8 1.55 ± 0.11
MX3 59.0 ± 3.7 454.3 ± 9.7 1.55 ± 0.11
RH08 66.9 ± 3.6 457.7 ± 10.7 1.55 ± 0.11
RH09 66.5 ± 3.5 457.0 ± 10.7 1.55 ± 0.11
RH10 66.5 ± 3.5 457.0 ± 10.7 1.55 ± 0.11
Average 60.6 433.1 1.55
Median 66.5 454.3 1.55
Deviation 12.4 42.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 42.2 ± 2.1 15.6 ± 0.7 73.5 ± 2.7 98.2 ± 3.5 2.70 ± 0.15 0.43 ± 0.02
VC 62.9 ± 2.2 3.1 ± 0.1 14.7 ± 0.5 99.4 ± 3.4 20.41 ± 0.82 0.63 ± 0.03
MX1 53.8 ± 1.7 13.1 ± 0.6 61.6 ± 2.3 98.6 ± 3.5 4.12 ± 0.17 0.55 ± 0.03
MX2 55.4 ± 1.7 12.3 ± 0.5 58.1 ± 2.1 98.7 ± 3.4 4.50 ± 0.19 0.56 ± 0.03
MX3 57.6 ± 1.6 10.6 ± 0.4 50.0 ± 1.8 98.9 ± 3.4 5.45 ± 0.22 0.58 ± 0.03
RH8 60.3 ± 1.8 8.0 ± 0.3 38.1 ± 1.4 99.1 ± 3.4 7.51 ± 0.31 0.61 ± 0.03
RH9 59.8 ± 1.8 8.2 ± 0.3 38.8 ± 1.4 99.1 ± 3.4 7.32 ± 0.31 0.60 ± 0.03
RH10 59.8 ± 1.8 8.2 ± 0.3 38.8 ± 1.4 99.1 ± 3.4 7.32 ± 0.31 0.60 ± 0.03
Average 56.5 9.9 46.7 98.9 7.4 0.6
Median 59.8 10.6 50.0 99.1 7.3 0.6
Deviation 6.5 3.9 18.1 0.4 5.5 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 27.0 ± 1.6 18.9 ± 0.9 78.1 ± 1.6 104.7 ± 1.9 1.43 ± 0.14 0.26 ± 0.01
VC 40.0 ± 1.6 3.7 ± 0.2 15.6 ± 0.3 106.3 ± 1.8 10.75 ± 0.62 0.38 ± 0.02
MX1 34.1 ± 1.1 15.8 ± 0.7 65.4 ± 1.3 105.2 ± 1.9 2.16 ± 0.14 0.32 ± 0.01
MX2 35.3 ± 1.2 14.9 ± 0.7 61.7 ± 1.2 105.3 ± 1.9 2.38 ± 0.15 0.33 ± 0.01
MX3 37.1 ± 1.3 12.8 ± 0.6 53.2 ± 1.1 105.6 ± 1.9 2.91 ± 0.18 0.35 ± 0.01
RH8 39.0 ± 1.6 9.7 ± 0.4 40.5 ± 0.8 105.9 ± 1.8 4.03 ± 0.24 0.37 ± 0.02
RH9 38.8 ± 1.6 9.9 ± 0.4 41.2 ± 0.8 105.9 ± 1.8 3.94 ± 0.24 0.37 ± 0.02
RH10 38.8 ± 1.6 9.9 ± 0.4 41.2 ± 0.8 105.9 ± 1.8 3.94 ± 0.24 0.37 ± 0.02
Average 36.3 11.9 49.6 105.6 3.9 0.3
Median 38.8 12.8 53.2 105.9 3.9 0.4
Deviation 4.2 4.7 19.3 0.5 2.9 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)

   
 

Section Photo