CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20021802110
Observation time: 06/29/2002 180.88224 2110 [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 2002
Fractional day of year 180.882240
Arrival time of shock [seconds of day] 76225.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 48.012
Y GSE location of spacecraft [Re] 219.819
Z GSE location of spacecraft [Re] 17.550
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0271
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0219
Minimum chisq/dof for RH8,RH9,RH10 4.89, 6.47, 6.70
Event added to database
Mon Feb 14 11:19:48 2005
Event last processed
Mon Mar 30 23:15:02 2009
Method selected
RH08
Propagation delay to Earth [minutes]
23.178 ± 4.441

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -351.8 ± 4.1 -365.4 ± 3.2
Vy GSE [km/s] -16.2 ± 3.9 -31.5 ± 1.9
Vz GSE [km/s] -18.2 ± 3.4 -4.0 ± 8.1
Wi [km/s] 30.1 ± 1.3 31.8 ± 1.3
We [km/s] 952.6 ± 40.3 1006.3 ± 40.0
Ni [n/cc] 5.5 ± 0.2 7.5 ± 0.2
Bx GSE [nT] 2.7 ± 0.5 4.3 ± 0.2
By GSE [nT] -4.0 ± 0.4 -6.9 ± 0.2
Bz GSE [nT] -3.6 ± 0.6 -1.9 ± 1.0
Plasma Beta
0.287 ± 0.285
0.228 ± 0.229
Sound Speed [km/s]
38.89 ± 1.65
41.08 ± 1.63
Alfven Speed [km/s]
56.42 ± 1.78
66.89 ± 1.95

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.323 ± 0.188 0.348 ± 0.187 0.880 ± 0.511 61.66 ± 11.86 132.86 ± 23.22
VC -0.562 ± 0.190 -0.637 ± 0.180 0.528 ± 0.472 31.85 ± 15.40 228.54 ± 14.85
MX1 -0.748 ± 0.180 0.105 ± 0.369 0.655 ± 0.540 40.91 ± 15.21 172.04 ± 28.20
MX2 -0.829 ± 0.117 -0.070 ± 0.271 0.554 ± 0.489 33.67 ± 11.89 184.83 ± 18.70
MX3 -0.894 ± 0.065 -0.273 ± 0.162 0.356 ± 0.340 20.87 ± 6.99 196.97 ± 10.37
RH08 -0.884 ± 0.010 -0.229 ± 0.016 0.408 ± 0.384 24.07 ± 1.32 194.54 ± 1.06
RH09 -0.883 ± 0.033 -0.213 ± 0.068 0.419 ± 0.393 24.77 ± 3.98 193.54 ± 4.37
RH10 -0.888 ± 0.032 -0.214 ± 0.068 0.408 ± 0.384 24.07 ± 3.98 193.54 ± 4.37
Average -0.751 -0.148 0.526 32.733 187.106
Median -0.829 -0.213 0.528 31.847 193.538
Deviation 0.207 0.289 0.174 13.415 27.063

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 26.1 ± 6.9 122.3 ± 21.2 1.37 ± 0.07
VC 81.9 ± 3.2 291.4 ± 16.2 1.37 ± 0.07
MX1 37.9 ± 2.2 314.3 ± 16.3 1.37 ± 0.07
MX2 49.4 ± 2.4 357.0 ± 15.5 1.37 ± 0.07
MX3 64.6 ± 2.9 391.7 ± 15.1 1.37 ± 0.07
RH08 61.1 ± 2.8 385.4 ± 15.1 1.37 ± 0.07
RH09 59.9 ± 2.8 384.1 ± 15.1 1.37 ± 0.07
RH10 60.3 ± 2.8 386.1 ± 15.1 1.37 ± 0.07
Average 55.1 329.0 1.37
Median 60.3 384.1 1.37
Deviation 17.2 91.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 30.3 ± 1.3 32.7 ± 1.1 50.7 ± 1.6 60.3 ± 1.3 0.93 ± 0.05 0.50 ± 0.02
VC 92.7 ± 2.9 4.5 ± 0.1 8.0 ± 0.3 68.4 ± 1.2 20.50 ± 0.50 1.36 ± 0.05
MX1 64.6 ± 1.9 27.6 ± 0.8 44.5 ± 1.4 62.8 ± 1.2 2.34 ± 0.11 1.03 ± 0.04
MX2 74.2 ± 2.2 22.0 ± 0.6 36.7 ± 1.2 64.9 ± 1.2 3.38 ± 0.15 1.14 ± 0.05
MX3 79.3 ± 2.5 14.0 ± 0.4 24.2 ± 0.8 67.1 ± 1.2 5.66 ± 0.25 1.18 ± 0.05
RH8 78.1 ± 2.4 15.9 ± 0.4 27.3 ± 0.9 66.7 ± 1.2 4.91 ± 0.21 1.17 ± 0.05
RH9 77.7 ± 2.4 16.5 ± 0.4 28.3 ± 0.9 66.5 ± 1.2 4.71 ± 0.21 1.17 ± 0.05
RH10 77.8 ± 2.5 16.3 ± 0.4 28.0 ± 0.9 66.6 ± 1.2 4.77 ± 0.21 1.17 ± 0.05
Average 71.8 18.7 31.0 65.4 5.9 1.1
Median 77.8 16.5 28.3 66.6 4.8 1.2
Deviation 18.4 8.7 13.1 2.7 6.1 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 18.8 ± 6.5 35.1 ± 1.1 60.1 ± 1.7 70.2 ± 1.5 0.54 ± 0.20 0.27 ± 0.09
VC 67.9 ± 3.9 4.9 ± 0.1 9.4 ± 0.3 78.4 ± 1.0 13.75 ± 1.03 0.87 ± 0.05
MX1 46.7 ± 4.6 29.9 ± 0.8 52.8 ± 1.5 72.6 ± 1.3 1.57 ± 0.19 0.64 ± 0.06
MX2 54.0 ± 3.9 23.9 ± 0.6 43.5 ± 1.3 74.8 ± 1.2 2.26 ± 0.21 0.72 ± 0.04
MX3 58.0 ± 2.8 15.3 ± 0.4 28.7 ± 0.8 77.0 ± 1.1 3.79 ± 0.25 0.75 ± 0.03
RH8 56.8 ± 3.0 17.3 ± 0.4 32.4 ± 0.9 76.6 ± 1.1 3.28 ± 0.23 0.74 ± 0.03
RH9 56.5 ± 3.1 18.0 ± 0.4 33.5 ± 1.0 76.4 ± 1.1 3.15 ± 0.23 0.74 ± 0.03
RH10 56.7 ± 3.0 17.8 ± 0.4 33.2 ± 1.0 76.5 ± 1.1 3.19 ± 0.23 0.74 ± 0.03
Average 51.9 20.3 36.7 75.3 3.9 0.7
Median 56.7 18.0 33.5 76.5 3.2 0.7
Deviation 14.6 9.3 15.6 2.7 4.1 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)

   
 

Section Photo