CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 20050211647
Observation time: 01/21/2005 21.69961 1647 [UT]

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Asymptotic parameters
Shock front normals
Key parameters
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 2005
Fractional day of year 21.699613
Arrival time of shock [seconds of day] 60446.5 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 222.229
Y GSE location of spacecraft [Re] -35.067
Z GSE location of spacecraft [Re] 21.586
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0644
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0528
Minimum chisq/dof for RH8,RH9,RH10 3.94, 10.90, 13.73
Event added to database
Fri Oct 10 13:32:01 2014
Event last processed
Wed Oct 15 11:23:14 2014
Method selected
RH08
Propagation delay to Earth [minutes]
21.639 ± 0.191

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -598.3 ± 23.6 -898.2 ± 16.4
Vy GSE [km/s] -16.1 ± 14.4 -43.9 ± 29.1
Vz GSE [km/s] -13.1 ± 20.6 -18.2 ± 30.9
Wi [km/s] 51.2 ± 2.9 98.8 ± 11.2
We [km/s] 1618.5 ± 90.3 3122.9 ± 354.8
Ni [n/cc] 5.9 ± 0.6 15.9 ± 3.1
Bx GSE [nT] 2.5 ± 1.9 4.2 ± 5.5
By GSE [nT] -5.6 ± 1.6 -17.0 ± 5.3
Bz GSE [nT] 0.4 ± 2.5 1.9 ± 11.8
Plasma Beta
0.845 ± 0.627
1.024 ± 0.588
Sound Speed [km/s]
66.07 ± 3.68
127.49 ± 14.49
Alfven Speed [km/s]
61.83 ± 13.40
116.09 ± 31.54

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.971 ± 0.211 0.234 ± 0.867 -0.052 ± 0.052 -2.96 ± 35.15 166.48 ± 51.15
VC -0.996 ± 0.009 -0.092 ± 0.101 -0.015 ± 0.015 -0.87 ± 6.70 185.29 ± 5.80
MX1 -0.990 ± 0.088 -0.139 ± 0.628 -0.005 ± 0.005 -0.28 ± 12.85 187.97 ± 36.35
MX2 -0.969 ± 0.079 -0.221 ± 0.338 -0.109 ± 0.108 -6.23 ± 8.33 192.86 ± 19.98
MX3 -0.971 ± 0.064 -0.191 ± 0.296 -0.143 ± 0.142 -8.23 ± 10.56 191.11 ± 17.46
RH08 -0.998 ± 0.001 -0.061 ± 0.009 -0.006 ± 0.006 -0.32 ± 0.71 183.51 ± 0.54
RH09 -0.364 ± 0.064 -0.280 ± 0.067 -0.888 ± 0.502 -62.66 ± 3.78 217.60 ± 8.90
RH10 -0.327 ± 0.066 -0.290 ± 0.067 -0.899 ± 0.489 -64.08 ± 4.01 221.62 ± 9.22
Average -0.823 -0.130 -0.265 -18.204 193.304
Median -0.971 -0.139 -0.052 -2.956 191.109
Deviation 0.295 0.168 0.392 28.025 18.148

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 54.3 ± 17.1 1029.4 ± 8.7 2.73 ± 0.62
VC 71.5 ± 17.8 1076.6 ± 8.7 2.73 ± 0.62
MX1 74.0 ± 17.9 1075.5 ± 8.6 2.73 ± 0.62
MX2 78.4 ± 17.7 1063.7 ± 8.4 2.73 ± 0.62
MX3 76.8 ± 17.7 1067.8 ± 8.4 2.73 ± 0.62
RH08 69.8 ± 17.8 1076.6 ± 8.7 2.73 ± 0.62
RH09 86.4 ± 19.3 437.5 ± 5.9 2.73 ± 0.62
RH10 85.0 ± 19.3 399.9 ± 49.4 2.73 ± 0.62
Average 74.5 903.4 2.73
Median 76.8 1067.8 2.73
Deviation 10.1 299.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 451.6 ± 20.7 27.1 ± 3.9 36.1 ± 7.8 86.9 ± 7.9 17.06 ± 3.23 5.24 ± 0.59
VC 479.2 ± 24.3 14.3 ± 2.0 19.6 ± 4.3 90.0 ± 8.4 34.42 ± 6.49 5.38 ± 0.65
MX1 480.7 ± 24.7 12.3 ± 1.7 17.1 ± 3.7 90.2 ± 8.4 39.90 ± 7.52 5.38 ± 0.66
MX2 478.9 ± 24.4 8.9 ± 1.3 12.4 ± 2.7 90.6 ± 8.5 54.99 ± 10.40 5.33 ± 0.65
MX3 481.9 ± 24.0 10.2 ± 1.4 14.1 ± 3.1 90.5 ± 8.5 48.51 ± 9.16 5.37 ± 0.65
RH8 478.4 ± 24.1 15.5 ± 2.2 21.3 ± 4.6 89.7 ± 8.3 31.60 ± 5.95 5.38 ± 0.65
RH9 203.6 ± 17.4 2.8 ± 0.4 3.9 ± 0.9 91.0 ± 8.5 74.01 ± 15.77 2.25 ± 0.29
RH10 187.9 ± 17.3 3.8 ± 0.5 5.4 ± 1.2 91.0 ± 8.5 50.10 ± 10.89 2.08 ± 0.27
Average 405.3 11.9 16.2 90.0 43.8 4.6
Median 478.9 12.3 17.1 90.5 48.5 5.4
Deviation 129.7 7.6 10.2 1.3 17.2 1.5

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 166.5 ± 20.8 50.2 ± 8.2 67.8 ± 18.4 167.5 ± 13.6 3.44 ± 0.91 1.01 ± 0.18
VC 178.0 ± 15.5 26.4 ± 4.2 36.9 ± 10.0 172.9 ± 14.7 6.96 ± 1.69 1.04 ± 0.16
MX1 179.8 ± 14.8 22.9 ± 3.6 32.0 ± 8.7 173.4 ± 14.8 8.12 ± 1.94 1.05 ± 0.16
MX2 181.5 ± 16.3 16.6 ± 2.6 23.2 ± 6.3 174.1 ± 15.0 11.35 ± 2.85 1.05 ± 0.17
MX3 184.5 ± 17.3 18.9 ± 3.0 26.5 ± 7.2 173.9 ± 14.9 10.12 ± 2.59 1.07 ± 0.17
RH8 177.3 ± 15.7 28.8 ± 4.6 40.0 ± 10.9 172.5 ± 14.7 6.37 ± 1.54 1.04 ± 0.16
RH9 82.2 ± 31.3 5.2 ± 0.8 7.4 ± 2.0 174.8 ± 15.1 16.78 ± 9.19 0.48 ± 0.21
RH10 77.3 ± 31.3 7.1 ± 1.1 10.1 ± 2.7 174.7 ± 15.1 11.61 ± 6.64 0.45 ± 0.21
Average 153.4 22.0 30.5 173.0 9.3 0.9
Median 178.0 22.9 32.0 173.9 10.1 1.0
Deviation 45.7 14.2 19.1 2.4 4.1 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 Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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