CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 20010130142
Observation time: 01/13/2001 13.07108 0142 [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 2001
Fractional day of year 13.071076
Arrival time of shock [seconds of day] 6141.0 ± 16.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 0.038
Y GSE location of spacecraft [Re] 0.002
Z GSE location of spacecraft [Re] 0.003
Upstream plasma points selected for analysis 0013
Upstream field points selected for analysis 0051
Downstream plasma points selected for analysis 0011
Downstream field points selected for analysis 0050
Minimum chisq/dof for RH8,RH9,RH10 5.44, 35.20, 35.83
Event added to database
Sat Apr 30 21:48:50 2005
Event last processed
Tue May 3 13:46:30 2005
Method selected
RH08
Propagation delay to Earth [minutes]
0.008 ± 0.001

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -355.5 ± 4.7 -411.1 ± 10.5
Vy GSE [km/s] -13.4 ± 4.4 -50.5 ± 7.1
Vz GSE [km/s] -42.5 ± 8.3 68.0 ± 10.7
Wi [km/s] 21.2 ± 2.8 40.1 ± 4.7
We [km/s] 671.7 ± 88.5 1268.2 ± 150.2
Ni [n/cc] 1.0 ± 0.1 5.2 ± 0.6
Bx GSE [nT] -0.2 ± 0.3 -2.5 ± 1.4
By GSE [nT] 1.9 ± 0.3 12.4 ± 1.0
Bz GSE [nT] 5.7 ± 0.2 2.4 ± 1.9
Plasma Beta
0.026 ± 0.023
0.105 ± 0.092
Sound Speed [km/s]
27.42 ± 3.61
51.78 ± 6.13
Alfven Speed [km/s]
135.07 ± 11.39
126.28 ± 7.94

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.037 ± 0.116 0.292 ± 0.145 0.956 ± 0.374 72.91 ± 8.73 97.28 ± 22.44
VC -0.433 ± 0.079 -0.294 ± 0.077 0.852 ± 0.534 58.44 ± 5.45 214.14 ± 8.19
MX1 -0.352 ± 0.536 0.391 ± 0.546 0.850 ± 0.535 58.25 ± 39.65 131.92 ± 53.25
MX2 -0.498 ± 0.090 0.148 ± 0.099 0.854 ± 0.532 58.67 ± 5.97 163.47 ± 10.98
MX3 -0.585 ± 0.097 0.109 ± 0.091 0.804 ± 0.555 53.48 ± 6.91 169.49 ± 8.77
RH08 -0.903 ± 0.011 -0.135 ± 0.002 0.408 ± 0.384 24.07 ± 1.52 188.52 ± 0.00
RH09 -0.734 ± 0.047 -0.071 ± 0.069 0.676 ± 0.547 42.53 ± 3.99 185.52 ± 5.41
RH10 -0.734 ± 0.047 -0.071 ± 0.069 0.676 ± 0.547 42.53 ± 3.99 185.52 ± 5.41
Average -0.534 0.046 0.759 51.359 166.983
Median -0.498 0.109 0.850 58.255 185.515
Deviation 0.270 0.230 0.171 14.739 36.803

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 3.9 ± 1.5 88.6 ± 13.2 5.42 ± 0.90
VC 42.9 ± 2.9 280.3 ± 10.8 5.42 ± 0.90
MX1 19.9 ± 3.1 203.9 ± 12.9 5.42 ± 0.90
MX2 29.2 ± 3.0 280.7 ± 12.4 5.42 ± 0.90
MX3 35.3 ± 3.0 314.0 ± 12.2 5.42 ± 0.90
RH08 67.9 ± 3.0 426.5 ± 10.9 5.42 ± 0.90
RH09 49.9 ± 3.0 373.8 ± 11.3 5.42 ± 0.90
RH10 49.9 ± 3.0 373.8 ± 11.3 5.42 ± 0.90
Average 37.4 292.7 5.42
Median 42.9 314.0 5.42
Deviation 19.9 107.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 119.9 ± 8.5 27.4 ± 3.6 134.7 ± 11.4 135.1 ± 11.4 4.48 ± 0.82 0.89 ± 0.08
VC 158.5 ± 6.6 19.9 ± 2.6 99.0 ± 8.3 136.4 ± 11.3 8.11 ± 1.20 1.17 ± 0.08
MX1 120.3 ± 7.5 25.7 ± 3.4 127.0 ± 10.7 135.4 ± 11.4 4.78 ± 0.83 0.89 ± 0.07
MX2 141.7 ± 7.1 23.8 ± 3.1 118.0 ± 9.9 135.8 ± 11.3 6.06 ± 0.96 1.05 ± 0.07
MX3 141.6 ± 6.7 22.2 ± 2.9 110.2 ± 9.3 136.0 ± 11.3 6.49 ± 1.00 1.04 ± 0.07
RH8 120.9 ± 5.0 10.1 ± 1.3 50.8 ± 4.3 137.5 ± 11.2 12.13 ± 1.56 0.88 ± 0.05
RH9 140.7 ± 5.8 17.4 ± 2.2 87.1 ± 7.3 136.8 ± 11.2 8.20 ± 1.17 1.03 ± 0.06
RH10 140.7 ± 5.8 17.4 ± 2.2 87.1 ± 7.3 136.8 ± 11.2 8.20 ± 1.17 1.03 ± 0.06
Average 135.5 20.5 101.7 136.2 7.3 1.0
Median 140.7 22.2 110.2 136.4 8.1 1.0
Deviation 13.9 5.5 27.0 0.8 2.5 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 23.0 ± 11.1 51.6 ± 6.1 126.0 ± 7.9 126.3 ± 7.9 0.46 ± 0.24 0.18 ± 0.08
VC 29.4 ± 9.4 36.3 ± 3.7 92.5 ± 5.8 131.7 ± 6.7 0.82 ± 0.28 0.22 ± 0.07
MX1 21.3 ± 11.3 48.1 ± 5.5 118.7 ± 7.5 127.8 ± 7.5 0.45 ± 0.24 0.17 ± 0.09
MX2 25.1 ± 11.0 44.1 ± 4.8 110.3 ± 6.9 129.2 ± 7.2 0.57 ± 0.26 0.19 ± 0.08
MX3 24.3 ± 10.9 40.9 ± 4.3 103.1 ± 6.5 130.3 ± 7.0 0.60 ± 0.27 0.19 ± 0.08
RH8 20.7 ± 10.0 18.1 ± 1.7 47.5 ± 3.0 135.5 ± 6.2 1.14 ± 0.52 0.15 ± 0.08
RH9 22.7 ± 10.3 31.6 ± 3.2 81.4 ± 5.1 132.9 ± 6.6 0.72 ± 0.32 0.17 ± 0.08
RH10 22.7 ± 10.3 31.6 ± 3.2 81.4 ± 5.1 132.9 ± 6.6 0.72 ± 0.32 0.17 ± 0.08
Average 23.7 37.8 95.1 130.8 0.7 0.2
Median 23.0 40.9 103.1 131.7 0.7 0.2
Deviation 2.7 10.8 25.2 3.0 0.2 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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