CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19962101214
Observation time: 07/28/1996 210.51026 1214 [UT]

Wind spacecraft

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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 1996
Fractional day of year 210.510260
Arrival time of shock [seconds of day] 44086.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 179.226
Y GSE location of spacecraft [Re] 16.560
Z GSE location of spacecraft [Re] -3.630
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0141
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0083
Minimum chisq/dof for RH8,RH9,RH10 11.30, 54.05, 86.05
Event added to database
Mon Feb 14 11:03:00 2005
Event last processed
Mon Mar 30 16:24:01 2009
Method selected
RH08
Propagation delay to Earth [minutes]
50.477 ± 7.413

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -308.0 ± 0.3 -327.2 ± 0.9
Vy GSE [km/s] -13.6 ± 0.2 -21.3 ± 1.0
Vz GSE [km/s] 7.4 ± 0.3 -4.5 ± 2.1
Wi [km/s] 14.7 ± 0.2 19.3 ± 1.1
We [km/s] 464.5 ± 4.9 610.3 ± 35.7
Ni [n/cc] 19.3 ± 0.3 32.3 ± 0.9
Bx GSE [nT] -1.6 ± 0.0 -2.3 ± 0.8
By GSE [nT] 1.1 ± 0.1 3.1 ± 0.5
Bz GSE [nT] 0.5 ± 0.2 0.3 ± 1.5
Plasma Beta
2.070 ± 2.170
1.495 ± 1.467
Sound Speed [km/s]
18.96 ± 0.20
24.91 ± 1.46
Alfven Speed [km/s]
10.22 ± 0.35
15.78 ± 0.43

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.984 ± 0.083 -0.180 ± 0.454 -0.009 ± 0.009 -0.52 ± 24.57 190.38 ± 26.43
VC -0.805 ± 0.039 -0.323 ± 0.043 -0.497 ± 0.452 -29.83 ± 4.35 201.86 ± 2.86
MX1 -0.867 ± 0.088 -0.240 ± 0.159 -0.437 ± 0.407 -25.90 ± 10.40 195.49 ± 10.44
MX2 -0.811 ± 0.032 -0.289 ± 0.064 -0.508 ± 0.459 -30.52 ± 2.70 199.61 ± 4.50
MX3 -0.802 ± 0.025 -0.298 ± 0.053 -0.518 ± 0.466 -31.17 ± 1.78 200.36 ± 3.74
RH08 -0.877 ± 0.015 -0.163 ± 0.025 -0.453 ± 0.419 -26.91 ± 1.90 190.53 ± 1.59
RH09 -0.164 ± 0.066 0.131 ± 0.069 -0.978 ± 0.286 -77.86 ± 3.57 141.39 ± 20.06
RH10 -0.210 ± 0.067 0.208 ± 0.067 -0.955 ± 0.376 -72.81 ± 3.77 135.38 ± 13.84
Average -0.690 -0.144 -0.544 -36.940 181.874
Median -0.805 -0.180 -0.497 -29.826 195.485
Deviation 0.316 0.202 0.309 25.733 27.226

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 46.9 ± 0.7 356.5 ± 3.5 1.66 ± 0.06
VC 69.6 ± 1.8 308.4 ± 1.9 1.66 ± 0.06
MX1 62.8 ± 1.7 325.7 ± 2.0 1.66 ± 0.06
MX2 68.3 ± 1.9 309.9 ± 1.9 1.66 ± 0.06
MX3 69.2 ± 1.9 307.0 ± 1.8 1.66 ± 0.06
RH08 59.7 ± 2.1 327.2 ± 2.0 1.66 ± 0.06
RH09 88.6 ± 4.9 75.6 ± 3.0 1.66 ± 0.06
RH10 86.6 ± 5.0 89.3 ± 2.8 1.66 ± 0.06
Average 68.9 262.4 1.66
Median 69.2 309.9 1.66
Deviation 13.7 112.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 51.2 ± 0.3 6.4 ± 0.2 7.0 ± 0.2 20.6 ± 0.2 7.95 ± 0.19 2.49 ± 0.01
VC 59.8 ± 0.3 3.2 ± 0.1 3.6 ± 0.1 21.3 ± 0.2 18.84 ± 0.48 2.80 ± 0.02
MX1 58.7 ± 0.3 4.2 ± 0.1 4.7 ± 0.2 21.1 ± 0.2 13.99 ± 0.35 2.78 ± 0.02
MX2 59.8 ± 0.3 3.4 ± 0.1 3.8 ± 0.1 21.3 ± 0.2 17.74 ± 0.45 2.81 ± 0.02
MX3 59.8 ± 0.3 3.2 ± 0.1 3.6 ± 0.1 21.3 ± 0.2 18.48 ± 0.47 2.81 ± 0.02
RH8 58.4 ± 0.3 4.6 ± 0.1 5.2 ± 0.2 21.0 ± 0.2 12.56 ± 0.32 2.77 ± 0.02
RH9 34.0 ± 0.3 0.2 ± 0.0 0.3 ± 0.0 21.5 ± 0.2 154.05 ± 4.68 1.58 ± 0.02
RH10 34.4 ± 0.3 0.5 ± 0.0 0.6 ± 0.0 21.5 ± 0.2 63.98 ± 1.91 1.60 ± 0.02
Average 52.0 3.2 3.6 21.2 38.4 2.5
Median 58.7 3.4 3.8 21.3 18.5 2.8
Deviation 11.3 2.1 2.2 0.3 49.9 0.5

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 30.8 ± 0.7 9.6 ± 0.3 10.8 ± 0.3 27.9 ± 1.4 3.20 ± 0.18 1.11 ± 0.08
VC 35.8 ± 0.5 4.7 ± 0.2 5.5 ± 0.1 29.1 ± 1.4 7.61 ± 0.16 1.23 ± 0.04
MX1 35.0 ± 0.3 6.2 ± 0.2 7.2 ± 0.2 28.8 ± 1.4 5.60 ± 0.14 1.22 ± 0.05
MX2 35.9 ± 0.5 5.0 ± 0.2 5.8 ± 0.2 29.1 ± 1.4 7.17 ± 0.15 1.24 ± 0.04
MX3 35.9 ± 0.6 4.8 ± 0.2 5.6 ± 0.2 29.1 ± 1.4 7.47 ± 0.15 1.23 ± 0.04
RH8 34.8 ± 0.4 6.9 ± 0.2 8.0 ± 0.2 28.7 ± 1.4 5.04 ± 0.13 1.22 ± 0.05
RH9 20.2 ± 1.9 0.3 ± 0.0 0.4 ± 0.0 29.5 ± 1.5 61.60 ± 3.62 0.68 ± 0.03
RH10 20.5 ± 1.8 0.8 ± 0.0 0.9 ± 0.0 29.5 ± 1.5 25.74 ± 1.33 0.70 ± 0.03
Average 31.1 4.8 5.5 29.0 15.4 1.1
Median 35.0 5.0 5.8 29.1 7.5 1.2
Deviation 6.8 3.1 3.5 0.5 19.9 0.2

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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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