CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20072630923
Observation time: 09/20/2007 263.39099 0923 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
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Wave speed and Mach numbers
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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2007
Fractional day of year 263.390990
Arrival time of shock [seconds of day] 33781.5 ± 30.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 199.450
Y GSE location of spacecraft [Re] -10.396
Z GSE location of spacecraft [Re] -19.920
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0231
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0276
Minimum chisq/dof for RH8,RH9,RH10 10.21, 15.33, 18.48
Event added to database
Mon Sep 23 12:31:39 2013
Event last processed
Tue Sep 24 11:17:35 2013
Method selected
RH08
Propagation delay to Earth [minutes]
65.975 ± 18.278

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -322.4 ± 1.0 -344.1 ± 2.9
Vy GSE [km/s] -19.6 ± 2.2 -40.5 ± 1.9
Vz GSE [km/s] 8.3 ± 1.7 26.1 ± 1.9
Wi [km/s] 23.8 ± 1.1 28.6 ± 1.2
We [km/s] 753.1 ± 33.5 904.2 ± 38.2
Ni [n/cc] 10.7 ± 0.6 18.0 ± 1.4
Bx GSE [nT] -1.9 ± 0.3 -2.5 ± 0.5
By GSE [nT] 3.8 ± 0.5 6.8 ± 0.2
Bz GSE [nT] 2.7 ± 0.4 4.5 ± 0.5
Plasma Beta
0.526 ± 0.544
0.426 ± 0.471
Sound Speed [km/s]
30.75 ± 1.37
36.92 ± 1.56
Alfven Speed [km/s]
33.64 ± 4.55
44.10 ± 2.46

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.976 ± 0.101 -0.217 ± 0.449 -0.029 ± 0.029 -1.65 ± 32.67 192.53 ± 26.36
VC -0.620 ± 0.063 -0.597 ± 0.065 0.509 ± 0.460 30.60 ± 4.78 223.93 ± 5.34
MX1 -0.658 ± 0.062 -0.500 ± 0.079 0.563 ± 0.494 34.29 ± 2.73 217.26 ± 6.72
MX2 -0.648 ± 0.058 -0.504 ± 0.072 0.571 ± 0.499 34.80 ± 2.53 217.90 ± 6.24
MX3 -0.637 ± 0.055 -0.509 ± 0.066 0.579 ± 0.504 35.39 ± 2.49 218.63 ± 5.81
RH08 -0.764 ± 0.012 0.213 ± 0.014 -0.609 ± 0.519 -37.51 ± 1.07 164.46 ± 1.04
RH09 0.015 ± 0.074 -0.500 ± 0.036 0.866 ± 0.524 59.99 ± 2.39 271.75 ± 8.53
RH10 -0.968 ± 0.018 -0.145 ± 0.068 0.207 ± 0.204 11.93 ± 4.00 188.52 ± 4.05
Average -0.657 -0.345 0.332 20.979 211.874
Median -0.648 -0.500 0.563 34.286 217.897
Deviation 0.308 0.275 0.466 29.774 31.645

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 79.3 ± 4.3 381.4 ± 1.5 1.67 ± 0.19
VC 87.1 ± 1.7 301.1 ± 1.8 1.67 ± 0.19
MX1 80.4 ± 1.8 311.2 ± 1.7 1.67 ± 0.19
MX2 80.6 ± 1.7 308.2 ± 1.7 1.67 ± 0.19
MX3 80.8 ± 1.7 304.9 ± 1.7 1.67 ± 0.19
RH08 82.9 ± 4.7 242.2 ± 0.7 1.67 ± 0.19
RH09 85.6 ± 2.3 75.0 ± 1.2 1.67 ± 0.19
RH10 68.8 ± 3.9 384.7 ± 10.6 1.67 ± 0.19
Average 80.7 288.6 1.67
Median 80.8 308.2 1.67
Deviation 5.5 97.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 62.7 ± 0.6 4.2 ± 0.2 6.2 ± 0.8 45.5 ± 3.2 14.98 ± 0.58 1.38 ± 0.08
VC 85.3 ± 0.6 1.1 ± 0.1 1.7 ± 0.2 45.7 ± 3.2 75.69 ± 3.34 1.88 ± 0.12
MX1 84.7 ± 0.7 3.8 ± 0.2 5.6 ± 0.8 45.5 ± 3.2 22.55 ± 0.99 1.87 ± 0.12
MX2 84.7 ± 0.7 3.7 ± 0.2 5.5 ± 0.7 45.5 ± 3.2 22.93 ± 1.01 1.87 ± 0.12
MX3 84.7 ± 0.7 3.6 ± 0.2 5.4 ± 0.7 45.5 ± 3.2 23.40 ± 1.03 1.87 ± 0.12
RH8 5.0 ± 0.9 2.8 ± 0.1 4.1 ± 0.6 45.6 ± 3.2 1.79 ± 0.28 0.11 ± 0.02
RH9 63.0 ± 0.9 1.7 ± 0.1 2.6 ± 0.3 45.7 ± 3.2 36.81 ± 1.86 1.39 ± 0.10
RH10 68.2 ± 1.0 8.3 ± 0.4 12.2 ± 1.6 44.9 ± 3.2 8.23 ± 0.34 1.52 ± 0.09
Average 67.3 3.6 5.4 45.5 25.8 1.5
Median 84.7 3.7 5.5 45.5 22.9 1.9
Deviation 27.1 2.2 3.2 0.2 22.8 0.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 37.6 ± 2.9 5.3 ± 0.1 8.2 ± 0.5 57.3 ± 1.6 7.15 ± 0.60 0.66 ± 0.06
VC 50.4 ± 2.3 1.4 ± 0.0 2.2 ± 0.1 57.5 ± 1.6 35.60 ± 2.03 0.88 ± 0.05
MX1 49.9 ± 2.3 4.7 ± 0.1 7.3 ± 0.4 57.4 ± 1.6 10.60 ± 0.61 0.87 ± 0.05
MX2 49.9 ± 2.3 4.6 ± 0.1 7.2 ± 0.4 57.4 ± 1.6 10.77 ± 0.61 0.87 ± 0.05
MX3 50.0 ± 2.3 4.5 ± 0.1 7.1 ± 0.4 57.4 ± 1.6 11.00 ± 0.62 0.87 ± 0.05
RH8 3.7 ± 2.3 3.5 ± 0.1 5.4 ± 0.3 57.5 ± 1.6 1.06 ± 0.64 0.06 ± 0.04
RH9 37.5 ± 1.2 2.2 ± 0.1 3.4 ± 0.2 57.5 ± 1.6 17.45 ± 0.82 0.65 ± 0.02
RH10 40.5 ± 2.9 10.4 ± 0.3 16.0 ± 0.9 56.6 ± 1.6 3.90 ± 0.30 0.72 ± 0.05
Average 39.9 4.6 7.1 57.3 12.2 0.7
Median 49.9 4.6 7.2 57.4 10.8 0.9
Deviation 15.7 2.7 4.2 0.3 10.7 0.3

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)

   
 

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