CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19973132222
Observation time: 11/09/1997 313.93262 2222 [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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Selected
Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 1997
Fractional day of year 313.932622
Arrival time of shock [seconds of day] 80578.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 142.968
Y GSE location of spacecraft [Re] -42.621
Z GSE location of spacecraft [Re] 20.480
Upstream plasma points selected for analysis 0010
Upstream field points selected for analysis 0338
Downstream plasma points selected for analysis 0010
Downstream field points selected for analysis 0337
Minimum chisq/dof for RH8,RH9,RH10 4.16, 5.58, 5.78
Event added to database
Mon Feb 14 11:05:19 2005
Event last processed
Mon Mar 30 17:15:26 2009
Method selected
RH08
Propagation delay to Earth [minutes]
35.418 ± 5.417

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -367.5 ± 3.5 -395.9 ± 2.9
Vy GSE [km/s] -5.5 ± 3.1 0.9 ± 4.5
Vz GSE [km/s] -13.5 ± 2.2 3.1 ± 4.0
Wi [km/s] 22.7 ± 1.0 32.0 ± 2.7
We [km/s] 718.3 ± 30.3 1011.8 ± 86.9
Ni [n/cc] 10.5 ± 0.5 21.8 ± 1.9
Bx GSE [nT] 2.4 ± 0.5 0.3 ± 0.5
By GSE [nT] 0.5 ± 0.8 0.1 ± 2.3
Bz GSE [nT] -4.1 ± 0.4 -7.8 ± 0.4
Plasma Beta
0.468 ± 0.488
0.731 ± 0.689
Sound Speed [km/s]
29.32 ± 1.24
41.31 ± 3.55
Alfven Speed [km/s]
33.24 ± 1.08
37.84 ± 2.05

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.799 ± 0.088 -0.090 ± 0.319 0.594 ± 0.512 36.44 ± 7.77 186.45 ± 22.83
VC -0.849 ± 0.074 0.197 ± 0.150 0.491 ± 0.447 29.42 ± 7.90 166.94 ± 10.07
MX1 -0.868 ± 0.157 0.121 ± 0.434 0.481 ± 0.440 28.75 ± 17.44 172.09 ± 28.61
MX2 -0.847 ± 0.073 0.159 ± 0.117 0.508 ± 0.459 30.51 ± 7.98 169.33 ± 7.86
MX3 -0.843 ± 0.065 0.152 ± 0.132 0.516 ± 0.465 31.07 ± 6.86 169.78 ± 8.91
RH08 -0.919 ± 0.011 0.154 ± 0.019 0.363 ± 0.346 21.29 ± 1.71 170.47 ± 1.18
RH09 -0.885 ± 0.033 0.180 ± 0.068 0.430 ± 0.401 25.48 ± 4.00 168.47 ± 4.41
RH10 -0.890 ± 0.032 0.182 ± 0.068 0.419 ± 0.393 24.77 ± 3.98 168.47 ± 4.37
Average -0.862 0.132 0.475 28.465 171.499
Median -0.849 0.159 0.491 29.417 169.781
Deviation 0.036 0.093 0.071 4.622 6.230

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 24.5 ± 7.1 347.7 ± 3.8 2.09 ± 0.21
VC 35.3 ± 5.5 369.7 ± 4.7 2.09 ± 0.21
MX1 34.4 ± 5.7 377.4 ± 4.4 2.09 ± 0.21
MX2 33.6 ± 5.6 368.8 ± 4.5 2.09 ± 0.21
MX3 33.0 ± 5.6 367.3 ± 4.4 2.09 ± 0.21
RH08 41.7 ± 5.6 396.9 ± 4.9 2.09 ± 0.21
RH09 38.4 ± 5.5 383.6 ± 4.8 2.09 ± 0.21
RH10 39.0 ± 5.5 385.6 ± 4.8 2.09 ± 0.21
Average 35.0 374.6 2.09
Median 35.3 377.4 2.09
Deviation 5.2 14.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 61.4 ± 3.9 23.6 ± 0.8 30.3 ± 1.0 37.5 ± 1.1 2.60 ± 0.16 1.64 ± 0.09
VC 65.5 ± 3.3 20.1 ± 0.7 27.1 ± 0.9 39.5 ± 1.2 3.26 ± 0.17 1.66 ± 0.07
MX1 65.4 ± 3.5 20.4 ± 0.7 27.4 ± 0.9 39.3 ± 1.2 3.20 ± 0.17 1.66 ± 0.08
MX2 65.4 ± 3.4 20.7 ± 0.7 27.7 ± 0.9 39.2 ± 1.2 3.16 ± 0.17 1.67 ± 0.08
MX3 65.3 ± 3.4 20.9 ± 0.7 27.9 ± 0.9 39.1 ± 1.2 3.13 ± 0.17 1.67 ± 0.08
RH8 64.9 ± 3.4 18.0 ± 0.6 24.8 ± 0.8 40.5 ± 1.2 3.62 ± 0.19 1.60 ± 0.08
RH9 65.3 ± 3.4 19.1 ± 0.6 26.1 ± 0.8 40.0 ± 1.2 3.42 ± 0.18 1.63 ± 0.08
RH10 65.2 ± 3.4 18.9 ± 0.6 25.8 ± 0.8 40.1 ± 1.2 3.46 ± 0.18 1.63 ± 0.07
Average 64.8 20.2 27.1 39.4 3.2 1.6
Median 65.3 20.4 27.4 39.5 3.3 1.7
Deviation 1.4 1.7 1.6 0.9 0.3 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 29.4 ± 2.0 29.9 ± 1.1 34.4 ± 1.9 47.5 ± 2.4 0.99 ± 0.05 0.62 ± 0.04
VC 32.0 ± 1.6 25.4 ± 0.9 30.9 ± 1.7 50.0 ± 2.3 1.26 ± 0.05 0.64 ± 0.03
MX1 32.0 ± 1.6 25.8 ± 0.9 31.2 ± 1.7 49.8 ± 2.3 1.24 ± 0.05 0.64 ± 0.03
MX2 31.9 ± 1.6 26.1 ± 1.0 31.5 ± 1.7 49.6 ± 2.3 1.22 ± 0.04 0.64 ± 0.03
MX3 31.8 ± 1.6 26.4 ± 1.0 31.7 ± 1.7 49.5 ± 2.3 1.20 ± 0.04 0.64 ± 0.03
RH8 31.8 ± 1.7 22.7 ± 0.8 28.3 ± 1.5 51.3 ± 2.3 1.40 ± 0.06 0.62 ± 0.03
RH9 31.9 ± 1.6 24.1 ± 0.9 29.7 ± 1.6 50.7 ± 2.3 1.32 ± 0.05 0.63 ± 0.03
RH10 31.8 ± 1.6 23.8 ± 0.9 29.4 ± 1.6 50.8 ± 2.3 1.34 ± 0.05 0.63 ± 0.03
Average 31.6 25.5 30.9 49.9 1.2 0.6
Median 31.9 25.8 31.2 50.0 1.3 0.6
Deviation 0.9 2.2 1.9 1.2 0.1 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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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