CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19973131003
Observation time: 11/09/1997 313.41936 1003 [UT]

Wind spacecraft

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Asymptotic parameters
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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 1997
Fractional day of year 313.419358
Arrival time of shock [seconds of day] 36232.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 140.819
Y GSE location of spacecraft [Re] -43.764
Z GSE location of spacecraft [Re] 19.943
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0189
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0265
Minimum chisq/dof for RH8,RH9,RH10 49.07, 88.12, 90.59
Event added to database
Mon Feb 14 11:05:16 2005
Event last processed
Mon Mar 30 17:13:23 2009
Method selected
RH08
Propagation delay to Earth [minutes]
41.809 ± 7.148

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -363.4 ± 0.3 -375.8 ± 1.9
Vy GSE [km/s] -7.3 ± 0.3 21.0 ± 3.1
Vz GSE [km/s] -8.4 ± 0.3 -46.9 ± 2.4
Wi [km/s] 18.4 ± 0.2 24.7 ± 0.7
We [km/s] 582.2 ± 7.1 782.6 ± 23.1
Ni [n/cc] 8.0 ± 0.3 14.9 ± 0.7
Bx GSE [nT] -3.6 ± 0.1 -7.3 ± 0.2
By GSE [nT] 1.4 ± 0.1 -0.3 ± 0.6
Bz GSE [nT] 1.3 ± 0.0 2.9 ± 0.3
Plasma Beta
0.343 ± 0.340
0.311 ± 0.304
Sound Speed [km/s]
23.77 ± 0.29
31.95 ± 0.94
Alfven Speed [km/s]
31.48 ± 0.72
44.50 ± 1.71

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.399 ± 0.078 0.915 ± 0.034 0.060 ± 0.060 3.43 ± 5.95 113.58 ± 4.86
VC -0.253 ± 0.045 0.574 ± 0.050 -0.779 ± 0.560 -51.15 ± 3.75 113.75 ± 3.96
MX1 -0.545 ± 0.048 0.628 ± 0.050 -0.555 ± 0.489 -33.70 ± 5.49 130.96 ± 3.06
MX2 -0.541 ± 0.045 0.547 ± 0.044 -0.639 ± 0.533 -39.69 ± 3.54 134.68 ± 3.65
MX3 -0.534 ± 0.044 0.478 ± 0.046 -0.698 ± 0.553 -44.24 ± 2.81 138.16 ± 4.29
RH08 -0.518 ± 0.011 0.589 ± 0.010 -0.620 ± 0.525 -38.32 ± 0.58 131.36 ± 1.00
RH09 -0.920 ± 0.025 0.171 ± 0.063 -0.352 ± 0.337 -20.61 ± 3.71 169.47 ± 3.89
RH10 -0.920 ± 0.027 0.171 ± 0.065 -0.352 ± 0.337 -20.61 ± 3.96 169.47 ± 4.06
Average -0.579 0.509 -0.492 -30.612 137.681
Median -0.534 0.574 -0.555 -33.700 134.685
Deviation 0.233 0.245 0.270 17.394 21.610

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 46.1 ± 1.6 198.4 ± 8.4 1.88 ± 0.08
VC 79.8 ± 0.4 200.9 ± 6.9 1.88 ± 0.08
MX1 58.4 ± 0.4 297.6 ± 7.2 1.88 ± 0.08
MX2 62.3 ± 0.3 299.0 ± 6.8 1.88 ± 0.08
MX3 65.5 ± 0.3 298.0 ± 6.5 1.88 ± 0.08
RH08 62.2 ± 0.3 290.7 ± 7.0 1.88 ± 0.08
RH09 40.8 ± 1.1 399.8 ± 4.8 1.88 ± 0.08
RH10 40.8 ± 1.1 399.8 ± 4.8 1.88 ± 0.08
Average 57.0 298.0 1.88
Median 62.2 298.0 1.88
Deviation 13.6 75.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 60.5 ± 0.3 14.1 ± 0.1 21.8 ± 0.5 36.8 ± 0.5 4.29 ± 0.03 1.64 ± 0.02
VC 106.8 ± 0.4 3.4 ± 0.0 5.6 ± 0.1 39.3 ± 0.5 31.80 ± 0.19 2.72 ± 0.03
MX1 99.3 ± 0.4 10.3 ± 0.1 16.5 ± 0.4 38.1 ± 0.5 9.64 ± 0.05 2.61 ± 0.03
MX2 101.0 ± 0.4 9.1 ± 0.1 14.6 ± 0.3 38.4 ± 0.5 11.14 ± 0.06 2.63 ± 0.03
MX3 101.7 ± 0.4 8.0 ± 0.1 13.1 ± 0.3 38.6 ± 0.5 12.64 ± 0.07 2.63 ± 0.02
RH8 101.4 ± 0.4 9.1 ± 0.1 14.7 ± 0.3 38.4 ± 0.5 11.17 ± 0.06 2.64 ± 0.03
RH9 63.7 ± 0.4 15.6 ± 0.1 23.8 ± 0.5 36.2 ± 0.5 4.07 ± 0.02 1.76 ± 0.02
RH10 63.7 ± 0.4 15.6 ± 0.1 23.8 ± 0.5 36.2 ± 0.5 4.07 ± 0.02 1.76 ± 0.02
Average 87.3 10.7 16.7 37.8 11.1 2.3
Median 101.0 10.3 16.5 38.4 11.1 2.6
Deviation 20.5 4.3 6.3 1.2 9.1 0.5

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 31.9 ± 3.0 19.2 ± 0.4 30.9 ± 1.2 51.3 ± 1.3 1.66 ± 0.17 0.62 ± 0.06
VC 57.4 ± 1.7 4.6 ± 0.1 7.9 ± 0.3 54.6 ± 1.3 12.51 ± 0.57 1.05 ± 0.04
MX1 53.4 ± 1.8 14.1 ± 0.3 23.3 ± 0.9 53.0 ± 1.3 3.80 ± 0.19 1.01 ± 0.05
MX2 54.2 ± 1.8 12.4 ± 0.2 20.7 ± 0.8 53.4 ± 1.3 4.38 ± 0.21 1.02 ± 0.04
MX3 54.7 ± 1.7 11.0 ± 0.2 18.5 ± 0.7 53.7 ± 1.3 4.97 ± 0.24 1.02 ± 0.04
RH8 54.4 ± 1.8 12.4 ± 0.2 20.7 ± 0.8 53.4 ± 1.3 4.39 ± 0.22 1.02 ± 0.04
RH9 33.9 ± 1.9 21.3 ± 0.4 33.7 ± 1.3 50.5 ± 1.3 1.59 ± 0.11 0.67 ± 0.04
RH10 33.9 ± 1.9 21.3 ± 0.4 33.7 ± 1.3 50.5 ± 1.3 1.59 ± 0.11 0.67 ± 0.04
Average 46.7 14.5 23.7 52.5 4.4 0.9
Median 54.2 14.1 23.3 53.4 4.4 1.0
Deviation 11.3 5.8 8.8 1.6 3.6 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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