CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20131991255
Observation time: 07/18/2013 199.53870 1255 [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 2013
Fractional day of year 199.538698
Arrival time of shock [seconds of day] 46543.5 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 201.768
Y GSE location of spacecraft [Re] -13.613
Z GSE location of spacecraft [Re] -16.968
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0244
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0158
Minimum chisq/dof for RH8,RH9,RH10 11.22, 20.03, 21.04
Event added to database
Tue Jun 10 08:09:03 2014
Event last processed
Wed Jun 11 02:02:01 2014
Method selected
RH08
Propagation delay to Earth [minutes]
38.239 ± 0.511

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -425.9 ± 4.7 -464.7 ± 3.1
Vy GSE [km/s] 19.2 ± 4.1 21.0 ± 2.8
Vz GSE [km/s] -12.5 ± 3.5 -34.8 ± 4.7
Wi [km/s] 54.7 ± 1.8 62.5 ± 0.8
We [km/s] 1730.6 ± 57.1 1976.0 ± 24.1
Ni [n/cc] 12.9 ± 0.6 18.6 ± 0.6
Bx GSE [nT] 3.0 ± 0.9 5.0 ± 1.8
By GSE [nT] -4.2 ± 1.3 2.0 ± 3.6
Bz GSE [nT] -2.0 ± 1.3 -8.6 ± 0.4
Plasma Beta
2.472 ± 2.386
1.326 ± 1.262
Sound Speed [km/s]
70.65 ± 2.33
80.67 ± 0.98
Alfven Speed [km/s]
35.07 ± 2.02
54.68 ± 4.11

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.627 ± 0.291 0.661 ± 0.279 0.413 ± 0.388 24.42 ± 17.53 133.48 ± 24.12
VC -0.866 ± 0.073 0.040 ± 0.101 -0.499 ± 0.452 -29.90 ± 8.43 177.33 ± 6.70
MX1 -0.914 ± 0.190 -0.130 ± 0.639 -0.384 ± 0.364 -22.61 ± 25.16 188.08 ± 40.06
MX2 -0.949 ± 0.065 -0.018 ± 0.101 -0.316 ± 0.305 -18.41 ± 11.84 181.12 ± 6.11
MX3 -0.923 ± 0.064 -0.087 ± 0.097 -0.376 ± 0.357 -22.07 ± 9.65 185.37 ± 6.03
RH08 -0.998 ± 0.001 0.009 ± 0.022 -0.061 ± 0.061 -3.52 ± 1.14 179.50 ± 1.26
RH09 -0.995 ± 0.007 -0.061 ± 0.069 0.073 ± 0.072 4.16 ± 4.03 183.51 ± 3.95
RH10 -0.996 ± 0.006 -0.044 ± 0.069 0.073 ± 0.072 4.16 ± 4.03 182.51 ± 3.95
Average -0.908 0.046 -0.135 -7.970 176.361
Median -0.923 -0.018 -0.061 -3.523 182.507
Deviation 0.123 0.254 0.311 18.386 17.647

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 18.8 ± 7.2 330.2 ± 3.5 1.46 ± 0.05
VC 72.0 ± 11.0 516.7 ± 5.1 1.46 ± 0.05
MX1 75.6 ± 10.5 526.9 ± 5.2 1.46 ± 0.05
MX2 68.1 ± 10.7 546.3 ± 5.2 1.46 ± 0.05
MX3 73.3 ± 10.6 532.2 ± 5.2 1.46 ± 0.05
RH08 59.5 ± 10.8 555.7 ± 5.1 1.46 ± 0.05
RH09 59.8 ± 11.2 541.3 ± 5.0 1.46 ± 0.05
RH10 58.9 ± 11.2 542.0 ± 29.4 1.46 ± 0.05
Average 60.8 511.4 1.46
Median 68.1 541.3 1.46
Deviation 18.2 74.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 55.9 ± 4.0 32.6 ± 1.8 33.2 ± 1.9 71.8 ± 2.2 1.72 ± 0.16 0.78 ± 0.06
VC 141.0 ± 3.4 9.7 ± 0.4 10.8 ± 0.6 78.3 ± 1.8 14.50 ± 0.93 1.80 ± 0.07
MX1 135.4 ± 4.1 7.9 ± 0.3 8.7 ± 0.5 78.5 ± 1.7 17.28 ± 1.20 1.73 ± 0.07
MX2 138.7 ± 4.1 11.8 ± 0.5 13.1 ± 0.8 78.0 ± 1.8 11.76 ± 0.80 1.78 ± 0.07
MX3 136.3 ± 4.0 9.1 ± 0.4 10.1 ± 0.6 78.4 ± 1.8 15.01 ± 1.03 1.74 ± 0.07
RH8 129.7 ± 4.6 16.3 ± 0.7 17.8 ± 1.0 77.2 ± 1.8 7.99 ± 0.59 1.68 ± 0.08
RH9 119.4 ± 5.0 16.1 ± 0.7 17.6 ± 1.0 77.2 ± 1.8 7.43 ± 0.58 1.55 ± 0.08
RH10 119.4 ± 4.9 16.6 ± 0.8 18.1 ± 1.0 77.1 ± 1.8 7.23 ± 0.57 1.55 ± 0.08
Average 122.0 15.0 16.2 77.1 10.4 1.6
Median 135.4 16.1 17.6 78.0 11.8 1.7
Deviation 27.9 7.9 7.8 2.2 5.2 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 39.6 ± 5.5 49.8 ± 3.3 51.8 ± 3.9 83.8 ± 1.0 0.80 ± 0.10 0.47 ± 0.06
VC 96.1 ± 1.1 14.1 ± 0.7 16.9 ± 1.3 96.5 ± 2.1 6.84 ± 0.38 1.00 ± 0.02
MX1 91.5 ± 1.1 11.3 ± 0.6 13.6 ± 1.0 96.8 ± 2.1 8.09 ± 0.45 0.95 ± 0.02
MX2 94.8 ± 1.7 17.1 ± 0.9 20.4 ± 1.5 96.0 ± 2.0 5.56 ± 0.31 0.99 ± 0.02
MX3 92.2 ± 1.2 13.1 ± 0.7 15.8 ± 1.2 96.6 ± 2.1 7.03 ± 0.39 0.95 ± 0.02
RH8 89.6 ± 2.9 23.6 ± 1.3 27.8 ± 2.1 94.6 ± 1.9 3.80 ± 0.22 0.95 ± 0.03
RH9 82.5 ± 3.3 23.4 ± 1.2 27.5 ± 2.1 94.7 ± 1.9 3.53 ± 0.21 0.87 ± 0.03
RH10 82.4 ± 3.3 24.1 ± 1.3 28.2 ± 2.1 94.5 ± 1.9 3.43 ± 0.20 0.87 ± 0.03
Average 83.6 22.1 25.2 94.2 4.9 0.9
Median 91.5 23.4 27.5 96.0 5.6 0.9
Deviation 18.5 12.3 12.2 4.3 2.4 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