CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 20043121754
Observation time: 11/07/2004 312.74587 1754 [UT]

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Asymptotic parameters
Shock front normals
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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 2004
Fractional day of year 312.745865
Arrival time of shock [seconds of day] 64442.8 ± 22.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 241.506
Y GSE location of spacecraft [Re] 24.482
Z GSE location of spacecraft [Re] -16.105
Upstream plasma points selected for analysis 0004
Upstream field points selected for analysis 0260
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0340
Minimum chisq/dof for RH8,RH9,RH10 13.20, 36.94, 48.06
Event added to database
Wed Oct 15 10:51:25 2014
Event last processed
Wed Oct 15 11:38:46 2014
Method selected
RH08
Propagation delay to Earth [minutes]
66.842 ± 24.179

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -483.6 ± 6.4 -582.1 ± 13.9
Vy GSE [km/s] 6.1 ± 2.4 -67.4 ± 6.0
Vz GSE [km/s] -15.4 ± 5.2 -12.1 ± 2.9
Wi [km/s] 73.6 ± 0.9 86.1 ± 1.7
We [km/s] 2326.1 ± 27.1 2723.2 ± 54.7
Ni [n/cc] 17.0 ± 1.0 35.5 ± 3.0
Bx GSE [nT] 1.3 ± 3.5 -10.9 ± 1.4
By GSE [nT] 4.3 ± 0.5 11.7 ± 0.9
Bz GSE [nT] 19.7 ± 1.5 37.4 ± 0.8
Plasma Beta
0.467 ± 0.452
0.335 ± 0.341
Sound Speed [km/s]
94.96 ± 1.10
111.17 ± 2.23
Alfven Speed [km/s]
108.28 ± 8.21
149.39 ± 7.68

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.804 ± 0.049 0.104 ± 0.121 -0.586 ± 0.507 -35.86 ± 4.62 172.63 ± 8.60
VC -0.798 ± 0.054 -0.602 ± 0.071 0.025 ± 0.025 1.46 ± 2.48 217.02 ± 5.10
MX1 -0.756 ± 0.053 -0.603 ± 0.063 -0.253 ± 0.248 -14.68 ± 6.19 218.59 ± 4.63
MX2 -0.720 ± 0.064 -0.664 ± 0.069 -0.201 ± 0.198 -11.59 ± 4.22 222.68 ± 5.42
MX3 -0.693 ± 0.073 -0.702 ± 0.072 -0.165 ± 0.164 -9.50 ± 3.61 225.38 ± 5.95
RH08 -0.293 ± 0.034 0.836 ± 0.014 -0.464 ± 0.427 -27.63 ± 0.95 109.30 ± 2.31
RH09 -0.330 ± 0.062 -0.941 ± 0.022 0.073 ± 0.072 4.16 ± 3.57 250.70 ± 3.77
RH10 -0.488 ± 0.060 -0.869 ± 0.034 -0.084 ± 0.084 -4.81 ± 3.95 240.67 ± 3.95
Average -0.610 -0.430 -0.207 -12.306 207.121
Median -0.693 -0.603 -0.165 -9.499 222.684
Deviation 0.210 0.601 0.227 13.736 45.650

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 52.8 ± 10.1 517.9 ± 7.7 2.05 ± 0.21
VC 80.9 ± 8.2 614.4 ± 8.9 2.05 ± 0.21
MX1 64.7 ± 8.2 587.6 ± 8.4 2.05 ± 0.21
MX2 67.3 ± 7.6 572.5 ± 8.2 2.05 ± 0.21
MX3 69.1 ± 7.2 559.8 ± 8.0 2.05 ± 0.21
RH08 73.1 ± 3.0 92.9 ± 2.8 2.05 ± 0.21
RH09 81.3 ± 3.1 348.8 ± 5.3 2.05 ± 0.21
RH10 72.7 ± 4.8 445.6 ± 28.3 2.05 ± 0.21
Average 70.2 467.4 2.05
Median 72.7 559.8 2.05
Deviation 9.2 174.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 119.6 ± 4.2 45.5 ± 1.7 65.5 ± 5.0 136.7 ± 6.3 2.63 ± 0.10 0.88 ± 0.04
VC 232.5 ± 4.8 11.4 ± 0.4 17.2 ± 1.3 143.6 ± 6.5 20.47 ± 0.50 1.62 ± 0.05
MX1 221.8 ± 3.9 31.2 ± 1.2 46.2 ± 3.5 140.7 ± 6.4 7.12 ± 0.19 1.58 ± 0.05
MX2 225.2 ± 3.8 28.0 ± 1.1 41.8 ± 3.2 141.3 ± 6.4 8.04 ± 0.21 1.60 ± 0.05
MX3 226.5 ± 3.7 25.8 ± 1.0 38.6 ± 2.9 141.8 ± 6.4 8.77 ± 0.23 1.60 ± 0.05
RH8 -61.0 ± 2.8 21.0 ± 0.8 31.5 ± 2.4 142.6 ± 6.4 -2.91 ± 0.14 -0.43 ± 0.02
RH9 196.2 ± 2.5 10.8 ± 0.4 16.4 ± 1.2 143.7 ± 6.5 18.17 ± 0.47 1.37 ± 0.05
RH10 213.6 ± 2.9 21.5 ± 0.8 32.3 ± 2.4 142.5 ± 6.4 9.95 ± 0.26 1.50 ± 0.05
Average 171.8 24.4 36.2 141.6 9.0 1.2
Median 221.8 25.8 38.6 142.5 8.8 1.6
Deviation 100.9 11.2 16.0 2.2 7.6 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 49.9 ± 11.6 56.6 ± 1.0 90.4 ± 4.6 177.5 ± 6.0 0.88 ± 0.21 0.28 ± 0.07
VC 109.5 ± 9.9 14.2 ± 0.3 23.7 ± 1.2 185.7 ± 5.9 7.72 ± 0.82 0.59 ± 0.07
MX1 103.8 ± 9.1 38.9 ± 0.7 63.7 ± 3.3 182.2 ± 6.0 2.67 ± 0.28 0.57 ± 0.07
MX2 106.1 ± 8.6 35.0 ± 0.6 57.6 ± 3.0 183.0 ± 6.0 3.04 ± 0.29 0.58 ± 0.06
MX3 107.2 ± 8.3 32.3 ± 0.6 53.3 ± 2.7 183.5 ± 6.0 3.33 ± 0.31 0.59 ± 0.06
RH8 -26.9 ± 8.4 26.2 ± 0.5 43.4 ± 2.2 184.4 ± 5.9 -1.03 ± 0.31 -0.15 ± 0.04
RH9 94.3 ± 5.4 13.5 ± 0.2 22.6 ± 1.2 185.8 ± 5.9 6.99 ± 0.48 0.51 ± 0.04
RH10 101.9 ± 6.1 26.8 ± 0.5 44.5 ± 2.3 184.3 ± 5.9 3.80 ± 0.28 0.55 ± 0.05
Average 80.7 30.4 49.9 183.3 3.4 0.4
Median 103.8 32.3 53.3 184.3 3.3 0.6
Deviation 47.6 13.9 22.0 2.7 2.9 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 Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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