CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20113082027
Observation time: 11/04/2011 308.85269 2027 [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 2011
Fractional day of year 308.852691
Arrival time of shock [seconds of day] 73672.5 ± 10.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 257.383
Y GSE location of spacecraft [Re] 17.543
Z GSE location of spacecraft [Re] 23.158
Upstream plasma points selected for analysis 0003
Upstream field points selected for analysis 0110
Downstream plasma points selected for analysis 0001
Downstream field points selected for analysis 0051
Minimum chisq/dof for RH8,RH9,RH10 -1360.56, -1133.80, -971.83
Event added to database
Fri Sep 20 13:59:21 2013
Event last processed
Tue Sep 24 10:49:42 2013
Method selected
RH08
Propagation delay to Earth [minutes]
21.901 ± 47.802

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -313.2 ± 0.6 -334.9 ± -334.9
Vy GSE [km/s] -6.0 ± 0.5 -13.1 ± -13.1
Vz GSE [km/s] 1.7 ± 2.2 -13.0 ± -13.0
Wi [km/s] 19.5 ± 2.0 23.5 ± 23.5
We [km/s] 616.0 ± 64.1 742.3 ± 742.3
Ni [n/cc] 2.4 ± 0.3 2.9 ± 2.9
Bx GSE [nT] -0.3 ± 0.1 -0.3 ± -0.3
By GSE [nT] 4.6 ± 0.1 6.6 ± 6.6
Bz GSE [nT] -3.0 ± 0.1 -3.6 ± -3.6
Plasma Beta
0.067 ± 0.058
0.060 ± 0.060
Sound Speed [km/s]
25.15 ± 2.62
30.30 ± 30.30
Alfven Speed [km/s]
76.59 ± 5.49
96.01 ± 96.01

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.212 ± 0.205 -0.344 ± 0.137 -0.915 ± 0.466 -66.20 ± 4.19 238.34 ± 33.61
VC -0.801 ± 0.032 -0.261 ± 0.014 -0.538 ± 0.479 -32.56 ± 3.57 198.06 ± 0.69
MX1 -0.795 ± 0.047 -0.180 ± 0.035 -0.579 ± 0.504 -35.38 ± 4.75 192.77 ± 2.43
MX2 -0.798 ± 0.046 -0.179 ± 0.036 -0.576 ± 0.502 -35.17 ± 4.65 192.66 ± 2.47
MX3 -0.804 ± 0.044 -0.176 ± 0.037 -0.568 ± 0.497 -34.62 ± 4.44 192.38 ± 2.57
RH08 -0.004 ± 0.070 -0.936 ± 0.025 0.352 ± 0.337 20.61 ± 4.02 269.75 ± 4.30
RH09 -0.004 ± 0.033 -0.936 ± 0.012 0.352 ± 0.337 20.61 ± 2.00 269.75 ± 2.00
RH10 -0.004 ± 0.033 -0.936 ± 0.012 0.352 ± 0.337 20.61 ± 2.00 269.75 ± 2.00
Average -0.428 -0.494 -0.265 -17.764 227.932
Median -0.212 -0.261 -0.538 -32.564 238.344
Deviation 0.403 0.371 0.525 33.550 37.780

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 77.2 ± 1.2 169.3 ± 164.5 1.21 ± 0.15
VC 83.3 ± 1.6 386.2 ± 208.0 1.21 ± 0.15
MX1 78.1 ± 1.6 383.1 ± 208.0 1.21 ± 0.15
MX2 78.1 ± 1.6 383.9 ± 208.0 1.21 ± 0.15
MX3 78.2 ± 1.6 385.8 ± 207.9 1.21 ± 0.15
RH08 12.8 ± 1.3 15.7 ± 4.3 1.21 ± 0.15
RH09 12.8 ± 1.3 15.7 ± 4.3 1.21 ± 0.15
RH10 12.8 ± 1.3 15.7 ± 6.0 1.21 ± 0.15
Average 54.2 219.4 1.21
Median 78.1 383.1 1.21
Deviation 34.3 183.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 102.5 ± 2.2 5.3 ± 0.5 16.9 ± 1.2 80.5 ± 4.4 19.50 ± 1.32 1.28 ± 0.09
VC 134.5 ± 1.7 2.8 ± 0.2 9.0 ± 0.6 80.6 ± 4.4 48.48 ± 3.66 1.67 ± 0.10
MX1 134.0 ± 1.7 4.9 ± 0.4 15.8 ± 1.1 80.5 ± 4.4 27.28 ± 2.05 1.67 ± 0.11
MX2 134.0 ± 1.7 4.9 ± 0.4 15.8 ± 1.1 80.5 ± 4.4 27.37 ± 2.06 1.67 ± 0.11
MX3 133.9 ± 1.7 4.9 ± 0.4 15.6 ± 1.1 80.5 ± 4.4 27.59 ± 2.08 1.67 ± 0.11
RH8 8.2 ± 0.7 24.4 ± 2.5 74.7 ± 5.4 76.8 ± 5.4 0.34 ± 0.06 0.11 ± 0.00
RH9 8.2 ± 0.7 24.4 ± 2.5 74.7 ± 5.4 76.8 ± 5.4 0.34 ± 0.06 0.11 ± 0.00
RH10 8.2 ± 0.7 24.4 ± 2.5 74.7 ± 5.4 76.8 ± 5.4 0.34 ± 0.06 0.11 ± 0.00
Average 82.9 12.0 37.1 79.2 18.9 1.0
Median 133.9 5.3 16.9 80.5 27.3 1.7
Deviation 62.8 10.3 31.2 1.9 17.4 0.8

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 82.1 ± 82.1 6.4 ± 6.4 21.2 ± 21.2 100.5 ± 100.5 12.83 ± 12.83 0.82 ± 0.82
VC 107.4 ± 107.4 3.4 ± 3.4 11.2 ± 11.2 100.6 ± 100.6 31.78 ± 31.78 1.07 ± 1.07
MX1 107.0 ± 107.0 6.0 ± 6.0 19.8 ± 19.8 100.5 ± 100.5 17.88 ± 17.88 1.06 ± 1.06
MX2 107.0 ± 107.0 6.0 ± 6.0 19.8 ± 19.8 100.5 ± 100.5 17.94 ± 17.94 1.06 ± 1.06
MX3 106.9 ± 106.9 5.9 ± 5.9 19.6 ± 19.6 100.5 ± 100.5 18.09 ± 18.09 1.06 ± 1.06
RH8 6.6 ± 6.6 29.5 ± 29.5 93.6 ± 93.6 96.3 ± 96.3 0.23 ± 0.23 0.07 ± 0.07
RH9 6.6 ± 6.6 29.5 ± 29.5 93.6 ± 93.6 96.3 ± 96.3 0.23 ± 0.23 0.07 ± 0.07
RH10 6.6 ± 6.6 29.5 ± 29.5 93.6 ± 93.6 96.3 ± 96.3 0.23 ± 0.23 0.07 ± 0.07
Average 66.3 14.5 46.6 98.9 12.4 0.7
Median 106.9 6.4 21.2 100.5 17.9 1.1
Deviation 50.1 12.4 39.1 2.2 11.4 0.5

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