CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 20051910247
Observation time: 07/10/2005 191.11608 0247 [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 2005
Fractional day of year 191.116083
Arrival time of shock [seconds of day] 10029.6 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 233.640
Y GSE location of spacecraft [Re] -39.579
Z GSE location of spacecraft [Re] 22.310
Upstream plasma points selected for analysis 0010
Upstream field points selected for analysis 0619
Downstream plasma points selected for analysis 0011
Downstream field points selected for analysis 0679
Minimum chisq/dof for RH8,RH9,RH10 4.08, 6.14, 6.27
Event added to database
Fri Oct 10 16:14:41 2014
Event last processed
Wed Oct 15 11:38:47 2014
Method selected
RH08
Propagation delay to Earth [minutes]
49.308 ± 2.280

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -355.6 ± 1.3 -416.8 ± 4.6
Vy GSE [km/s] -7.3 ± 3.6 9.3 ± 6.1
Vz GSE [km/s] 15.4 ± 4.1 34.0 ± 5.9
Wi [km/s] 27.6 ± 1.1 40.8 ± 2.2
We [km/s] 873.0 ± 34.6 1288.8 ± 68.8
Ni [n/cc] 9.4 ± 0.4 17.4 ± 1.5
Bx GSE [nT] -0.0 ± 0.3 1.0 ± 0.4
By GSE [nT] 9.4 ± 0.2 17.9 ± 0.9
Bz GSE [nT] -4.3 ± 0.5 -4.5 ± 4.3
Plasma Beta
0.140 ± 0.146
0.169 ± 0.170
Sound Speed [km/s]
35.64 ± 1.41
52.61 ± 2.81
Alfven Speed [km/s]
73.83 ± 1.54
99.63 ± 4.50

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.984 ± 0.189 0.174 ± 1.042 -0.046 ± 0.046 -2.67 ± 52.43 169.97 ± 60.68
VC -0.928 ± 0.037 0.249 ± 0.097 0.278 ± 0.271 16.17 ± 5.62 164.96 ± 5.96
MX1 -0.935 ± 0.051 0.118 ± 0.188 0.333 ± 0.320 19.46 ± 7.74 172.81 ± 11.53
MX2 -0.947 ± 0.041 0.145 ± 0.155 0.287 ± 0.279 16.69 ± 6.78 171.27 ± 9.35
MX3 -0.953 ± 0.039 0.162 ± 0.135 0.255 ± 0.250 14.79 ± 7.29 170.34 ± 8.11
RH08 -0.982 ± 0.002 0.077 ± 0.014 0.173 ± 0.171 9.97 ± 0.73 175.49 ± 0.83
RH09 -0.996 ± 0.006 -0.009 ± 0.069 0.084 ± 0.084 4.81 ± 4.02 180.50 ± 3.99
RH10 -0.996 ± 0.006 -0.009 ± 0.069 0.084 ± 0.084 4.81 ± 4.02 180.50 ± 3.99
Average -0.965 0.114 0.181 10.503 173.231
Median -0.953 0.145 0.255 14.792 172.812
Deviation 0.028 0.090 0.131 7.630 5.374

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 79.7 ± 1.8 484.1 ± 1.7 1.85 ± 0.20
VC 83.6 ± 1.3 479.4 ± 2.1 1.85 ± 0.20
MX1 88.3 ± 1.3 481.9 ± 2.1 1.85 ± 0.20
MX2 89.2 ± 1.3 485.8 ± 2.1 1.85 ± 0.20
MX3 87.5 ± 1.3 487.8 ± 2.1 1.85 ± 0.20
RH08 90.0 ± 1.5 493.4 ± 1.9 1.85 ± 0.20
RH09 87.7 ± 1.7 493.1 ± 1.7 1.85 ± 0.20
RH10 87.7 ± 1.7 493.1 ± 18.2 1.85 ± 0.20
Average 86.7 487.3 1.85
Median 87.7 487.8 1.85
Deviation 3.4 5.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 136.4 ± 1.2 5.8 ± 0.2 13.2 ± 0.3 81.8 ± 1.3 23.70 ± 0.82 1.67 ± 0.03
VC 147.2 ± 1.6 3.6 ± 0.1 8.3 ± 0.2 81.9 ± 1.3 40.89 ± 1.33 1.80 ± 0.02
MX1 145.0 ± 1.5 1.0 ± 0.0 2.2 ± 0.0 82.0 ± 1.3 152.42 ± 4.89 1.77 ± 0.03
MX2 145.8 ± 1.4 0.5 ± 0.0 1.1 ± 0.0 82.0 ± 1.3 319.33 ± 10.29 1.78 ± 0.03
MX3 146.2 ± 1.4 1.4 ± 0.0 3.2 ± 0.1 82.0 ± 1.3 106.57 ± 3.45 1.78 ± 0.03
RH8 142.2 ± 1.1 0.0 ± 0.0 0.0 ± 0.0 82.0 ± 1.3 ******* ± 1387.71 1.73 ± 0.03
RH9 137.4 ± 1.2 1.3 ± 0.0 3.0 ± 0.1 82.0 ± 1.3 104.59 ± 3.56 1.68 ± 0.03
RH10 137.4 ± 1.2 1.3 ± 0.0 3.0 ± 0.1 82.0 ± 1.3 104.59 ± 3.56 1.68 ± 0.03
Average 142.2 1.8 4.2 82.0 5381.4 1.7
Median 145.0 1.3 3.0 82.0 106.6 1.8
Deviation 4.5 1.9 4.4 0.1 14876.8 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 74.1 ± 4.8 8.3 ± 0.3 17.8 ± 0.8 112.4 ± 3.7 8.89 ± 0.54 0.66 ± 0.04
VC 81.0 ± 5.1 5.2 ± 0.2 11.2 ± 0.5 112.6 ± 3.7 15.54 ± 0.81 0.72 ± 0.05
MX1 79.6 ± 4.8 1.4 ± 0.1 3.0 ± 0.1 112.7 ± 3.7 57.72 ± 2.98 0.71 ± 0.05
MX2 80.1 ± 4.8 0.7 ± 0.0 1.4 ± 0.1 112.7 ± 3.7 121.07 ± 6.28 0.71 ± 0.05
MX3 80.4 ± 4.9 2.0 ± 0.1 4.3 ± 0.2 112.7 ± 3.7 40.44 ± 2.10 0.71 ± 0.05
RH8 77.6 ± 4.6 0.0 ± 0.0 0.0 ± 0.0 112.7 ± 3.7 ******* ± 868.67 0.69 ± 0.05
RH9 75.0 ± 4.5 1.9 ± 0.1 4.1 ± 0.2 112.7 ± 3.7 39.41 ± 2.32 0.67 ± 0.04
RH10 75.0 ± 4.5 1.9 ± 0.1 4.1 ± 0.2 112.7 ± 3.7 39.41 ± 2.32 0.67 ± 0.04
Average 77.8 2.7 5.7 112.7 2026.8 0.7
Median 79.6 1.9 4.1 112.7 40.4 0.7
Deviation 2.8 2.8 5.9 0.1 5602.4 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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