CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19993171248
Observation time: 11/13/1999 317.53401 1248 [UT]

Wind spacecraft

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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 1999
Fractional day of year 317.534010
Arrival time of shock [seconds of day] 46138.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 23.705
Y GSE location of spacecraft [Re] -6.876
Z GSE location of spacecraft [Re] 14.406
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0208
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0208
Minimum chisq/dof for RH8,RH9,RH10 12.01, 16.83, 17.91
Event added to database
Sat Mar 12 21:36:59 2005
Event last processed
Mon Mar 30 23:32:14 2009
Method selected
RH08
Propagation delay to Earth [minutes]
6.162 ± 0.389

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -407.6 ± 1.9 -455.4 ± 1.6
Vy GSE [km/s] -27.4 ± 3.4 -3.6 ± 2.7
Vz GSE [km/s] -5.5 ± 2.7 1.5 ± 2.1
Wi [km/s] 17.7 ± 0.3 24.7 ± 1.9
We [km/s] 560.7 ± 8.9 781.7 ± 61.5
Ni [n/cc] 2.9 ± 0.1 5.4 ± 0.1
Bx GSE [nT] -0.2 ± 0.1 1.1 ± 0.4
By GSE [nT] 2.9 ± 0.3 3.8 ± 0.4
Bz GSE [nT] -5.8 ± 0.2 -9.8 ± 0.2
Plasma Beta
0.046 ± 0.049
0.063 ± 0.065
Sound Speed [km/s]
22.89 ± 0.36
31.91 ± 2.51
Alfven Speed [km/s]
82.55 ± 1.63
98.75 ± 2.66

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.777 ± 0.198 0.611 ± 0.251 -0.149 ± 0.148 -8.58 ± 6.97 141.80 ± 18.46
VC -0.889 ± 0.026 0.440 ± 0.052 0.128 ± 0.127 7.33 ± 3.02 153.66 ± 3.34
MX1 -0.828 ± 0.044 0.540 ± 0.066 -0.150 ± 0.149 -8.65 ± 3.42 146.87 ± 4.59
MX2 -0.832 ± 0.042 0.534 ± 0.065 -0.151 ± 0.150 -8.67 ± 3.44 147.28 ± 4.46
MX3 -0.837 ± 0.044 0.525 ± 0.069 -0.151 ± 0.150 -8.70 ± 3.51 147.91 ± 4.72
RH08 -0.903 ± 0.007 0.394 ± 0.016 -0.173 ± 0.171 -9.97 ± 0.54 156.43 ± 1.04
RH09 -0.892 ± 0.032 0.427 ± 0.065 -0.151 ± 0.150 -8.68 ± 3.16 154.43 ± 4.19
RH10 -0.899 ± 0.031 0.411 ± 0.066 -0.151 ± 0.150 -8.68 ± 3.43 155.43 ± 4.20
Average -0.857 0.485 -0.119 -6.825 150.478
Median -0.837 0.525 -0.151 -8.673 153.662
Deviation 0.045 0.078 0.100 5.737 5.222

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 64.6 ± 2.3 411.1 ± 7.6 1.86 ± 0.05
VC 83.8 ± 2.2 466.7 ± 7.7 1.86 ± 0.05
MX1 66.5 ± 2.2 435.2 ± 7.4 1.86 ± 0.05
MX2 66.6 ± 2.2 437.1 ± 7.4 1.86 ± 0.05
MX3 66.8 ± 2.1 439.9 ± 7.4 1.86 ± 0.05
RH08 69.1 ± 1.8 470.3 ± 7.0 1.86 ± 0.05
RH09 69.4 ± 1.9 465.8 ± 7.2 1.86 ± 0.05
RH10 69.9 ± 1.9 469.2 ± 7.1 1.86 ± 0.05
Average 69.6 449.4 1.86
Median 69.1 465.8 1.86
Deviation 6.0 21.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 110.2 ± 2.7 9.5 ± 0.1 35.4 ± 0.7 85.1 ± 1.5 11.60 ± 0.35 1.29 ± 0.03
VC 117.1 ± 3.1 2.4 ± 0.0 8.9 ± 0.2 85.6 ± 1.5 49.13 ± 1.58 1.37 ± 0.03
MX1 111.7 ± 2.6 8.9 ± 0.1 33.0 ± 0.6 85.2 ± 1.5 12.62 ± 0.37 1.31 ± 0.03
MX2 111.8 ± 2.5 8.8 ± 0.1 32.8 ± 0.6 85.2 ± 1.5 12.70 ± 0.37 1.31 ± 0.03
MX3 112.0 ± 2.5 8.7 ± 0.1 32.5 ± 0.6 85.2 ± 1.5 12.84 ± 0.38 1.31 ± 0.03
RH8 112.1 ± 2.2 7.9 ± 0.1 29.4 ± 0.6 85.3 ± 1.5 14.19 ± 0.39 1.31 ± 0.02
RH9 113.1 ± 2.3 7.8 ± 0.1 29.0 ± 0.6 85.3 ± 1.5 14.55 ± 0.41 1.33 ± 0.03
RH10 113.1 ± 2.3 7.6 ± 0.1 28.4 ± 0.6 85.3 ± 1.5 14.84 ± 0.41 1.33 ± 0.02
Average 112.7 7.7 28.7 85.3 17.8 1.3
Median 112.1 8.7 32.5 85.3 14.2 1.3
Deviation 2.0 2.2 8.3 0.2 12.7 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 59.6 ± 2.3 13.1 ± 1.0 42.3 ± 1.1 103.0 ± 3.1 4.58 ± 0.51 0.58 ± 0.04
VC 63.2 ± 2.3 3.3 ± 0.2 10.7 ± 0.3 103.7 ± 3.2 19.41 ± 2.10 0.61 ± 0.04
MX1 60.4 ± 2.3 12.2 ± 0.9 39.4 ± 1.1 103.1 ± 3.1 4.98 ± 0.54 0.59 ± 0.04
MX2 60.5 ± 2.2 12.1 ± 0.9 39.2 ± 1.1 103.1 ± 3.1 5.01 ± 0.54 0.59 ± 0.04
MX3 60.6 ± 2.2 12.0 ± 0.9 38.9 ± 1.0 103.1 ± 3.1 5.07 ± 0.54 0.59 ± 0.04
RH8 60.9 ± 2.1 10.9 ± 0.8 35.2 ± 0.9 103.2 ± 3.1 5.62 ± 0.58 0.59 ± 0.04
RH9 61.4 ± 2.1 10.7 ± 0.8 34.7 ± 0.9 103.2 ± 3.1 5.77 ± 0.60 0.60 ± 0.04
RH10 61.4 ± 2.1 10.5 ± 0.8 34.0 ± 0.9 103.3 ± 3.1 5.88 ± 0.61 0.60 ± 0.04
Average 61.0 10.6 34.3 103.2 7.0 0.6
Median 60.9 12.0 38.9 103.2 5.6 0.6
Deviation 1.1 3.1 10.0 0.2 5.0 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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