CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20083292229
Observation time: 11/24/2008 329.93689 2229 [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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Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2008
Fractional day of year 329.936892
Arrival time of shock [seconds of day] 80947.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 254.684
Y GSE location of spacecraft [Re] 65.090
Z GSE location of spacecraft [Re] 32.469
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0211
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0121
Minimum chisq/dof for RH8,RH9,RH10 23.05, 52.81, 79.11
Event added to database
Wed Sep 25 16:28:55 2013
Event last processed
Wed Sep 25 17:23:22 2013
Method selected
RH08
Propagation delay to Earth [minutes]
71.944 ± 59.177

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -273.3 ± 2.5 -313.3 ± 0.8
Vy GSE [km/s] -8.7 ± 0.4 -32.4 ± 0.4
Vz GSE [km/s] -1.3 ± 1.1 -20.4 ± 3.1
Wi [km/s] 18.2 ± 0.6 25.5 ± 0.5
We [km/s] 574.3 ± 19.8 805.8 ± 15.2
Ni [n/cc] 12.3 ± 0.4 29.2 ± 2.4
Bx GSE [nT] 1.5 ± 0.2 4.1 ± 0.3
By GSE [nT] -3.3 ± 0.2 -6.5 ± 0.7
Bz GSE [nT] 0.6 ± 0.1 0.2 ± 0.4
Plasma Beta
0.640 ± 0.638
0.694 ± 0.615
Sound Speed [km/s]
23.45 ± 0.81
32.90 ± 0.62
Alfven Speed [km/s]
22.72 ± 0.52
31.17 ± 3.73

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.665 ± 0.478 -0.504 ± 0.526 0.551 ± 0.487 33.45 ± 41.95 217.17 ± 40.18
VC -0.795 ± 0.021 -0.474 ± 0.022 -0.379 ± 0.360 -22.26 ± 3.13 210.80 ± 1.36
MX1 -0.754 ± 0.056 -0.549 ± 0.073 -0.361 ± 0.344 -21.13 ± 3.67 216.07 ± 5.46
MX2 -0.751 ± 0.053 -0.543 ± 0.070 -0.377 ± 0.358 -22.15 ± 3.32 215.88 ± 5.27
MX3 -0.747 ± 0.051 -0.537 ± 0.068 -0.391 ± 0.370 -23.01 ± 3.33 215.70 ± 5.11
RH08 -0.246 ± 0.020 -0.219 ± 0.018 0.944 ± 0.407 70.76 ± 1.54 221.62 ± 1.38
RH09 -0.246 ± 0.063 -0.164 ± 0.060 -0.955 ± 0.376 -72.81 ± 3.98 213.59 ± 10.89
RH10 -0.246 ± 0.066 -0.164 ± 0.069 -0.955 ± 0.376 -72.81 ± 3.77 213.59 ± 13.84
Average -0.556 -0.394 -0.240 -16.244 215.552
Median -0.665 -0.474 -0.377 -22.146 215.875
Deviation 0.259 0.178 0.668 48.666 3.163

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 74.7 ± 2.3 231.5 ± 1.0 2.44 ± 0.19
VC 88.5 ± 4.1 311.4 ± 1.0 2.44 ± 0.19
MX1 83.5 ± 4.1 300.4 ± 1.0 2.44 ± 0.19
MX2 83.9 ± 4.1 299.5 ± 1.0 2.44 ± 0.19
MX3 84.2 ± 4.1 298.6 ± 1.0 2.44 ± 0.19
RH08 75.4 ± 1.6 62.8 ± 1.1 2.44 ± 0.19
RH09 83.2 ± 3.2 122.3 ± 1.1 2.44 ± 0.19
RH10 83.2 ± 3.2 122.3 ± 4.8 2.44 ± 0.19
Average 82.1 218.6 2.44
Median 83.5 298.6 2.44
Deviation 4.7 100.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 46.2 ± 1.4 4.4 ± 0.1 6.0 ± 0.1 32.4 ± 0.8 10.62 ± 0.56 1.43 ± 0.08
VC 89.5 ± 2.4 0.4 ± 0.0 0.6 ± 0.0 32.7 ± 0.8 208.79 ± 10.20 2.74 ± 0.14
MX1 89.0 ± 2.3 1.9 ± 0.0 2.6 ± 0.1 32.6 ± 0.8 47.99 ± 2.30 2.73 ± 0.13
MX2 89.1 ± 2.3 1.7 ± 0.0 2.4 ± 0.1 32.6 ± 0.8 51.20 ± 2.45 2.74 ± 0.13
MX3 89.1 ± 2.3 1.6 ± 0.0 2.3 ± 0.1 32.6 ± 0.8 54.33 ± 2.60 2.73 ± 0.13
RH8 -5.2 ± 0.8 4.1 ± 0.1 5.7 ± 0.1 32.4 ± 0.8 -1.26 ± 0.19 -0.16 ± 0.02
RH9 52.3 ± 1.6 1.9 ± 0.0 2.7 ± 0.1 32.6 ± 0.8 27.04 ± 1.36 1.60 ± 0.08
RH10 52.3 ± 1.6 1.9 ± 0.0 2.7 ± 0.1 32.6 ± 0.8 27.04 ± 1.36 1.60 ± 0.08
Average 62.8 2.3 3.1 32.6 53.2 1.9
Median 89.0 1.9 2.7 32.6 48.0 2.7
Deviation 33.6 1.3 1.8 0.1 65.9 1.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 18.2 ± 2.4 6.0 ± 0.4 8.2 ± 1.0 45.0 ± 2.1 3.03 ± 0.46 0.40 ± 0.06
VC 39.3 ± 0.5 0.6 ± 0.0 0.8 ± 0.1 45.4 ± 2.1 66.50 ± 4.60 0.87 ± 0.05
MX1 39.0 ± 0.5 2.6 ± 0.2 3.5 ± 0.4 45.3 ± 2.1 15.26 ± 1.06 0.86 ± 0.05
MX2 39.1 ± 0.5 2.4 ± 0.1 3.3 ± 0.4 45.3 ± 2.1 16.30 ± 1.13 0.86 ± 0.05
MX3 39.0 ± 0.5 2.3 ± 0.1 3.1 ± 0.4 45.3 ± 2.1 17.28 ± 1.20 0.86 ± 0.05
RH8 -2.3 ± 3.2 5.7 ± 0.3 7.8 ± 0.9 45.0 ± 2.1 -0.40 ± 0.53 -0.05 ± 0.07
RH9 20.4 ± 2.7 2.7 ± 0.2 3.7 ± 0.4 45.3 ± 2.1 7.64 ± 1.06 0.45 ± 0.06
RH10 20.4 ± 2.7 2.7 ± 0.2 3.7 ± 0.4 45.3 ± 2.1 7.64 ± 1.06 0.45 ± 0.06
Average 26.6 3.1 4.3 45.2 16.7 0.6
Median 39.0 2.7 3.7 45.3 15.3 0.9
Deviation 15.2 1.8 2.5 0.2 21.1 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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