CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20071161307
Observation time: 04/26/2007 116.54665 1307 [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 2007
Fractional day of year 116.546649
Arrival time of shock [seconds of day] 47230.5 ± 30.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 209.954
Y GSE location of spacecraft [Re] 90.414
Z GSE location of spacecraft [Re] -3.404
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0216
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0221
Minimum chisq/dof for RH8,RH9,RH10 5.45, 14.81, 15.71
Event added to database
Thu Sep 26 10:13:34 2013
Event last processed
Thu Sep 26 12:05:52 2013
Method selected
RH08
Propagation delay to Earth [minutes]
62.017 ± 10.567

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -406.6 ± 2.2 -423.7 ± 1.7
Vy GSE [km/s] -26.7 ± 2.7 -12.4 ± 0.8
Vz GSE [km/s] -11.7 ± 1.8 -12.2 ± 1.5
Wi [km/s] 31.1 ± 0.8 27.9 ± 0.6
We [km/s] 983.5 ± 25.0 883.2 ± 19.7
Ni [n/cc] 4.1 ± 0.2 7.9 ± 0.2
Bx GSE [nT] -3.1 ± 0.2 -0.6 ± 0.3
By GSE [nT] 2.6 ± 0.3 0.8 ± 0.1
Bz GSE [nT] -0.3 ± 0.5 1.8 ± 0.3
Plasma Beta
0.492 ± 0.477
2.966 ± 2.744
Sound Speed [km/s]
40.15 ± 1.02
36.06 ± 0.81
Alfven Speed [km/s]
44.54 ± 2.00
16.38 ± 1.54

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.365 ± 0.082 0.442 ± 0.088 0.819 ± 0.551 55.02 ± 6.96 129.55 ± 6.80
VC -0.767 ± 0.076 0.642 ± 0.091 -0.019 ± 0.019 -1.06 ± 5.50 140.08 ± 6.83
MX1 -0.915 ± 0.345 -0.346 ± 0.846 0.208 ± 0.205 12.03 ± 37.88 200.74 ± 52.90
MX2 -0.361 ± 0.082 0.445 ± 0.088 0.819 ± 0.551 55.02 ± 6.84 129.03 ± 6.95
MX3 -0.390 ± 0.162 0.441 ± 0.149 0.808 ± 0.554 53.93 ± 6.12 131.51 ± 19.69
RH08 -0.724 ± 0.014 -0.428 ± 0.017 0.542 ± 0.481 32.81 ± 1.23 210.58 ± 1.27
RH09 -0.695 ± 0.049 -0.639 ± 0.053 0.330 ± 0.317 19.25 ± 4.00 222.62 ± 4.13
RH10 -0.700 ± 0.049 -0.622 ± 0.054 0.352 ± 0.337 20.61 ± 4.02 221.62 ± 4.22
Average -0.614 -0.008 0.483 30.950 173.215
Median -0.695 0.441 0.542 32.813 200.735
Deviation 0.212 0.547 0.317 21.769 44.132

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 60.3 ± 7.6 152.2 ± 0.4 1.92 ± 0.08
VC 6.5 ± 6.0 340.7 ± 0.6 1.92 ± 0.08
MX1 62.5 ± 2.9 400.5 ± 0.5 1.92 ± 0.08
MX2 60.3 ± 7.6 150.4 ± 0.4 1.92 ± 0.08
MX3 59.0 ± 7.6 163.5 ± 0.4 1.92 ± 0.08
RH08 76.1 ± 2.8 311.8 ± 0.3 1.92 ± 0.08
RH09 84.2 ± 2.8 300.8 ± 0.4 1.92 ± 0.08
RH10 83.5 ± 2.7 302.9 ± 2.9 1.92 ± 0.08
Average 61.6 265.3 1.92
Median 62.5 302.9 1.92
Deviation 24.6 96.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 25.1 ± 2.0 15.3 ± 0.2 22.1 ± 1.0 58.0 ± 1.1 1.64 ± 0.14 0.43 ± 0.04
VC 45.8 ± 2.2 38.9 ± 0.7 44.3 ± 2.0 45.7 ± 1.5 1.18 ± 0.07 1.00 ± 0.07
MX1 21.7 ± 2.3 14.2 ± 0.2 20.6 ± 0.9 58.3 ± 1.1 1.53 ± 0.16 0.37 ± 0.04
MX2 25.0 ± 2.0 15.2 ± 0.2 22.0 ± 1.0 58.0 ± 1.1 1.64 ± 0.14 0.43 ± 0.04
MX3 26.0 ± 1.9 15.9 ± 0.2 23.0 ± 1.0 57.8 ± 1.1 1.64 ± 0.14 0.45 ± 0.04
RH8 12.5 ± 2.0 7.2 ± 0.1 10.7 ± 0.5 59.6 ± 1.1 1.73 ± 0.27 0.21 ± 0.03
RH9 5.1 ± 2.4 3.0 ± 0.0 4.5 ± 0.2 59.9 ± 1.1 1.69 ± 0.77 0.08 ± 0.04
RH10 5.8 ± 2.3 3.4 ± 0.1 5.1 ± 0.2 59.9 ± 1.1 1.71 ± 0.67 0.10 ± 0.04
Average 20.9 14.1 19.0 57.2 1.6 0.4
Median 25.0 15.2 22.0 58.3 1.6 0.4
Deviation 13.3 11.4 12.8 4.7 0.2 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 13.0 ± 0.9 7.5 ± 0.6 8.1 ± 0.8 38.9 ± 1.1 1.74 ± 0.21 0.33 ± 0.02
VC 23.6 ± 1.4 16.2 ± 1.5 16.3 ± 1.5 36.1 ± 0.8 1.46 ± 0.16 0.65 ± 0.04
MX1 11.1 ± 1.3 7.0 ± 0.6 7.6 ± 0.7 39.0 ± 1.1 1.59 ± 0.21 0.29 ± 0.04
MX2 12.9 ± 0.9 7.5 ± 0.6 8.1 ± 0.8 38.9 ± 1.1 1.74 ± 0.21 0.33 ± 0.02
MX3 13.5 ± 0.8 7.8 ± 0.7 8.4 ± 0.8 38.8 ± 1.1 1.73 ± 0.21 0.35 ± 0.02
RH8 6.5 ± 0.7 3.6 ± 0.3 3.9 ± 0.4 39.5 ± 1.2 1.81 ± 0.21 0.16 ± 0.02
RH9 2.5 ± 0.9 1.5 ± 0.1 1.6 ± 0.2 39.6 ± 1.2 1.66 ± 0.62 0.06 ± 0.02
RH10 2.9 ± 0.9 1.7 ± 0.1 1.9 ± 0.2 39.6 ± 1.2 1.72 ± 0.53 0.07 ± 0.02
Average 10.7 6.6 7.0 38.8 1.7 0.3
Median 12.9 7.5 8.1 39.0 1.7 0.3
Deviation 6.9 4.7 4.7 1.1 0.1 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