CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20132381756
Observation time: 08/26/2013 238.74755 1756 [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 238.747552
Arrival time of shock [seconds of day] 64588.5 ± 10.0
Shock type BI
Electron data availability 0
X GSE location of spacecraft [Re] 214.173
Y GSE location of spacecraft [Re] 95.316
Z GSE location of spacecraft [Re] -6.744
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0211
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0120
Minimum chisq/dof for RH8,RH9,RH10 6.40, 6.96, 7.79
Event added to database
Tue Jun 10 23:00:13 2014
Event last processed
Wed Jun 11 02:08:25 2014
Method selected
RH08
Propagation delay to Earth [minutes]
81.371 ± 44.597

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -321.7 ± 1.4 -351.4 ± 2.8
Vy GSE [km/s] -7.9 ± 3.8 -28.7 ± 0.5
Vz GSE [km/s] -7.1 ± 2.0 -17.9 ± 2.6
Wi [km/s] 17.8 ± 0.8 20.2 ± 1.7
We [km/s] 562.3 ± 24.8 639.6 ± 55.0
Ni [n/cc] 4.0 ± 0.2 3.7 ± 0.6
Bx GSE [nT] -3.8 ± 0.5 -0.8 ± 0.6
By GSE [nT] 1.4 ± 0.6 4.2 ± 0.5
Bz GSE [nT] -1.6 ± 0.5 -0.7 ± 0.7
Plasma Beta
0.138 ± 0.138
0.164 ± 0.183
Sound Speed [km/s]
22.96 ± 1.01
26.11 ± 2.24
Alfven Speed [km/s]
47.94 ± 2.55
50.46 ± 2.36

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.618 ± 0.061 0.726 ± 0.054 -0.301 ± 0.291 -17.51 ± 4.98 130.38 ± 4.66
VC 0.788 ± 0.044 0.547 ± 0.060 0.284 ± 0.276 16.48 ± 4.06 34.79 ± 4.30
MX1 -0.610 ± 0.071 0.734 ± 0.061 -0.299 ± 0.289 -17.38 ± 5.66 129.71 ± 5.36
MX2 -0.713 ± 0.441 0.645 ± 0.487 -0.276 ± 0.269 -16.04 ± 11.59 137.87 ± 38.99
MX3 -0.921 ± 0.336 0.204 ± 1.206 0.331 ± 0.319 19.35 ± 36.36 167.53 ± 74.95
RH08 -0.356 ± 0.014 0.053 ± 0.021 0.933 ± 0.433 68.90 ± 0.82 171.48 ± 3.44
RH09 -0.356 ± 0.030 0.053 ± 0.046 0.933 ± 0.433 68.90 ± 1.83 171.48 ± 7.36
RH10 -0.356 ± 0.046 0.053 ± 0.064 0.933 ± 0.433 68.90 ± 2.80 171.48 ± 10.24
Average -0.393 0.377 0.317 23.950 139.338
Median -0.356 0.547 0.331 19.347 167.526
Deviation 0.518 0.315 0.567 39.937 46.290

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 28.6 ± 9.6 166.8 ± 46.0 0.91 ± 0.16
VC 52.2 ± 10.6 -133.1 ± 265.2 0.91 ± 0.16
MX1 29.2 ± 9.6 166.4 ± 43.1 0.91 ± 0.16
MX2 22.5 ± 8.9 185.3 ± 74.6 0.91 ± 0.16
MX3 42.8 ± 4.7 228.8 ± 133.2 0.91 ± 0.16
RH08 88.9 ± 5.3 103.3 ± 16.2 0.91 ± 0.16
RH09 88.9 ± 5.3 103.3 ± 16.2 0.91 ± 0.16
RH10 88.9 ± 5.3 103.3 ± 84.4 0.91 ± 0.16
Average 55.3 115.5 0.91
Median 52.2 166.4 0.91
Deviation 29.3 110.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -28.4 ± 1.9 19.6 ± 0.8 42.1 ± 2.2 49.4 ± 2.5 -1.45 ± 0.14 -0.58 ± 0.07
VC 126.5 ± 3.4 13.1 ± 0.6 29.4 ± 1.6 51.5 ± 2.5 9.69 ± 0.36 2.46 ± 0.08
MX1 -26.0 ± 1.9 19.4 ± 0.8 41.9 ± 2.2 49.5 ± 2.5 -1.34 ± 0.13 -0.53 ± 0.07
MX2 -40.8 ± 1.5 20.8 ± 0.9 44.3 ± 2.4 48.9 ± 2.5 -1.97 ± 0.13 -0.84 ± 0.07
MX3 -63.6 ± 0.9 15.9 ± 0.7 35.2 ± 1.9 50.7 ± 2.5 -4.00 ± 0.19 -1.26 ± 0.07
RH8 -4.2 ± 1.9 0.4 ± 0.0 0.9 ± 0.0 53.2 ± 2.6 -10.74 ± 5.16 -0.08 ± 0.04
RH9 -4.2 ± 1.9 0.4 ± 0.0 0.9 ± 0.0 53.2 ± 2.6 -10.74 ± 5.16 -0.08 ± 0.04
RH10 -4.2 ± 1.9 0.4 ± 0.0 0.9 ± 0.0 53.2 ± 2.6 -10.74 ± 5.16 -0.08 ± 0.04
Average -5.6 11.2 24.4 51.2 -3.9 -0.1
Median -4.2 15.9 35.2 51.5 -2.0 -0.1
Deviation 57.3 9.3 20.0 1.8 7.0 1.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -34.9 ± 2.5 22.1 ± 1.7 44.3 ± 2.1 52.4 ± 1.9 -1.59 ± 0.25 -0.67 ± 0.03
VC 164.4 ± 2.5 14.7 ± 1.0 30.9 ± 1.4 54.9 ± 1.6 11.26 ± 0.98 2.99 ± 0.06
MX1 -32.1 ± 2.5 21.9 ± 1.7 44.1 ± 2.1 52.4 ± 1.9 -1.48 ± 0.24 -0.61 ± 0.03
MX2 -51.6 ± 2.7 23.5 ± 1.9 46.6 ± 2.2 51.7 ± 2.1 -2.21 ± 0.31 -1.00 ± 0.02
MX3 -83.1 ± 2.4 17.9 ± 1.3 37.0 ± 1.7 54.0 ± 1.7 -4.67 ± 0.47 -1.54 ± 0.03
RH8 -3.6 ± 2.1 0.4 ± 0.0 1.0 ± 0.0 56.9 ± 1.4 -8.17 ± 4.70 -0.06 ± 0.04
RH9 -3.6 ± 2.1 0.4 ± 0.0 1.0 ± 0.0 56.9 ± 1.4 -8.17 ± 4.70 -0.06 ± 0.04
RH10 -3.6 ± 2.1 0.4 ± 0.0 1.0 ± 0.0 56.9 ± 1.4 -8.17 ± 4.70 -0.06 ± 0.04
Average -6.0 12.7 25.7 54.5 -2.9 -0.1
Median -3.6 17.9 37.0 54.9 -2.2 -0.1
Deviation 74.3 10.5 21.1 2.2 6.4 1.4

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