CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 20062311050
Observation time: 08/19/2006 231.45171 1050 [UT]

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


General Information (About, Top)

Year 2006
Fractional day of year 231.451713
Arrival time of shock [seconds of day] 39028.0 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 226.649
Y GSE location of spacecraft [Re] 22.785
Z GSE location of spacecraft [Re] 5.980
Upstream plasma points selected for analysis 0013
Upstream field points selected for analysis 0779
Downstream plasma points selected for analysis 0013
Downstream field points selected for analysis 0780
Minimum chisq/dof for RH8,RH9,RH10 6.98, 8.50, 8.95
Event added to database
Tue Oct 14 10:38:38 2014
Event last processed
Wed Oct 15 12:06:20 2014
Method selected
RH08
Propagation delay to Earth [minutes]
37.494 ± 11.661

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -386.4 ± 3.9 -444.7 ± 5.0
Vy GSE [km/s] 23.1 ± 4.2 25.2 ± 7.6
Vz GSE [km/s] -1.9 ± 6.8 39.6 ± 9.8
Wi [km/s] 45.2 ± 0.8 54.5 ± 0.9
We [km/s] 1428.0 ± 26.7 1721.9 ± 29.7
Ni [n/cc] 7.1 ± 0.8 15.1 ± 2.3
Bx GSE [nT] -4.6 ± 0.1 0.3 ± 2.8
By GSE [nT] 9.1 ± 0.5 16.0 ± 1.0
Bz GSE [nT] 3.0 ± 0.3 4.5 ± 2.4
Plasma Beta
0.272 ± 0.269
0.327 ± 0.313
Sound Speed [km/s]
58.30 ± 1.09
70.30 ± 1.21
Alfven Speed [km/s]
87.48 ± 7.63
96.04 ± 6.20

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.810 ± 0.124 0.514 ± 0.191 0.282 ± 0.274 16.35 ± 7.74 147.61 ± 13.41
VC -0.821 ± 0.085 0.030 ± 0.118 0.571 ± 0.499 34.80 ± 8.57 177.89 ± 8.22
MX1 -0.743 ± 0.123 0.424 ± 0.187 0.517 ± 0.465 31.16 ± 8.24 150.28 ± 14.15
MX2 -0.709 ± 0.085 0.358 ± 0.130 0.608 ± 0.519 37.42 ± 5.84 153.24 ± 10.27
MX3 -0.676 ± 0.087 0.305 ± 0.114 0.671 ± 0.545 42.14 ± 6.74 155.69 ± 9.29
RH08 -0.615 ± 0.016 0.321 ± 0.010 0.721 ± 0.558 46.11 ± 1.45 152.42 ± 0.53
RH09 -0.609 ± 0.055 0.332 ± 0.065 0.721 ± 0.558 46.11 ± 4.03 151.42 ± 5.70
RH10 -0.609 ± 0.056 0.332 ± 0.067 0.721 ± 0.558 46.11 ± 4.00 151.42 ± 5.85
Average -0.699 0.327 0.601 37.525 154.995
Median -0.676 0.332 0.671 42.142 152.423
Deviation 0.087 0.138 0.150 10.272 9.536

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 29.7 ± 1.3 437.3 ± 1.2 2.14 ± 0.32
VC 57.4 ± 1.6 451.0 ± 1.6 2.14 ± 0.32
MX1 34.0 ± 1.6 420.3 ± 1.3 2.14 ± 0.32
MX2 38.5 ± 1.7 408.7 ± 1.3 2.14 ± 0.32
MX3 42.2 ± 1.7 395.2 ± 1.4 2.14 ± 0.32
RH08 42.2 ± 1.8 369.7 ± 1.4 2.14 ± 0.32
RH09 41.6 ± 1.8 367.1 ± 1.4 2.14 ± 0.32
RH10 41.6 ± 1.8 367.1 ± 17.6 2.14 ± 0.32
Average 40.9 402.0 2.14
Median 41.6 408.7 2.14
Deviation 8.1 32.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 112.9 ± 2.5 47.1 ± 1.1 76.0 ± 6.6 94.1 ± 6.8 2.40 ± 0.10 1.21 ± 0.10
VC 134.4 ± 3.2 27.0 ± 0.8 47.2 ± 4.1 101.7 ± 6.5 4.98 ± 0.16 1.33 ± 0.07
MX1 124.3 ± 2.6 44.2 ± 1.1 72.5 ± 6.3 95.4 ± 6.7 2.81 ± 0.10 1.31 ± 0.09
MX2 127.6 ± 3.0 41.2 ± 1.1 68.4 ± 6.0 96.8 ± 6.6 3.10 ± 0.11 1.32 ± 0.09
MX3 128.4 ± 3.4 38.5 ± 1.1 64.8 ± 5.6 97.9 ± 6.6 3.33 ± 0.12 1.32 ± 0.08
RH8 126.2 ± 3.7 38.6 ± 1.1 64.8 ± 5.7 97.9 ± 6.6 3.27 ± 0.12 1.29 ± 0.08
RH9 125.6 ± 3.7 39.0 ± 1.1 65.4 ± 5.7 97.7 ± 6.6 3.22 ± 0.12 1.29 ± 0.08
RH10 125.6 ± 3.7 39.0 ± 1.1 65.4 ± 5.7 97.7 ± 6.6 3.22 ± 0.12 1.29 ± 0.08
Average 125.6 39.3 65.6 97.4 3.3 1.3
Median 126.2 39.0 65.4 97.7 3.2 1.3
Deviation 6.0 5.9 8.5 2.2 0.7 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 52.9 ± 5.5 55.7 ± 0.9 83.5 ± 5.4 105.3 ± 4.7 0.95 ± 0.10 0.50 ± 0.04
VC 62.8 ± 5.7 31.7 ± 0.6 51.8 ± 3.3 114.8 ± 4.5 1.98 ± 0.17 0.55 ± 0.04
MX1 58.7 ± 6.1 52.2 ± 0.9 79.6 ± 5.1 107.0 ± 4.6 1.12 ± 0.11 0.55 ± 0.04
MX2 60.3 ± 6.5 48.5 ± 0.9 75.1 ± 4.9 108.8 ± 4.6 1.24 ± 0.13 0.55 ± 0.05
MX3 60.5 ± 6.8 45.3 ± 0.8 71.1 ± 4.6 110.1 ± 4.5 1.33 ± 0.14 0.55 ± 0.05
RH8 59.8 ± 7.2 45.4 ± 0.8 71.2 ± 4.6 110.1 ± 4.5 1.32 ± 0.15 0.54 ± 0.05
RH9 59.5 ± 7.2 45.9 ± 0.8 71.8 ± 4.6 109.9 ± 4.6 1.30 ± 0.15 0.54 ± 0.05
RH10 59.5 ± 7.2 45.9 ± 0.8 71.8 ± 4.6 109.9 ± 4.6 1.30 ± 0.15 0.54 ± 0.05
Average 59.3 46.3 72.0 109.5 1.3 0.5
Median 59.8 45.9 71.8 109.9 1.3 0.5
Deviation 2.8 7.0 9.3 2.8 0.3 0.0

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 Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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