CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19970100052
Observation time: 01/10/1997 10.03616 0052 [UT]

Wind spacecraft

Site
Data tables
Selection
Normals
Parameters
Previous event
Next event
Yearly list
Main page
Help

General information
Asymptotic parameters
Shock front normals
Key parameters
Wave speed and Mach numbers
Survey
Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 1997
Fractional day of year 10.036163
Arrival time of shock [seconds of day] 3124.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 85.033
Y GSE location of spacecraft [Re] -59.414
Z GSE location of spacecraft [Re] -3.433
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0236
Downstream plasma points selected for analysis 0012
Downstream field points selected for analysis 0320
Minimum chisq/dof for RH8,RH9,RH10 3.20, 4.22, 4.26
Event added to database
Mon Feb 14 11:03:46 2005
Event last processed
Mon Mar 30 16:34:32 2009
Method selected
RH08
Propagation delay to Earth [minutes]
18.077 ± 0.692

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -376.2 ± 1.1 -413.1 ± 3.8
Vy GSE [km/s] -3.9 ± 1.3 -15.2 ± 8.7
Vz GSE [km/s] 17.3 ± 1.3 -14.6 ± 5.6
Wi [km/s] 16.8 ± 1.0 29.6 ± 1.8
We [km/s] 532.1 ± 32.7 935.3 ± 55.8
Ni [n/cc] 6.5 ± 0.1 13.6 ± 1.4
Bx GSE [nT] -2.1 ± 0.1 -4.7 ± 0.9
By GSE [nT] 0.7 ± 0.2 3.2 ± 3.0
Bz GSE [nT] 0.2 ± 0.1 3.9 ± 1.7
Plasma Beta
0.769 ± 0.737
0.441 ± 0.431
Sound Speed [km/s]
21.72 ± 1.34
38.18 ± 2.28
Alfven Speed [km/s]
19.23 ± 0.41
45.48 ± 6.02

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.932 ± 0.093 -0.068 ± 0.273 -0.356 ± 0.340 -20.87 ± 14.59 184.17 ± 16.80
VC -0.748 ± 0.078 -0.228 ± 0.172 -0.624 ± 0.526 -38.59 ± 5.53 196.98 ± 13.09
MX1 -0.892 ± 0.088 -0.110 ± 0.193 -0.438 ± 0.407 -25.97 ± 11.18 187.05 ± 12.36
MX2 -0.864 ± 0.071 -0.168 ± 0.114 -0.475 ± 0.435 -28.34 ± 8.34 191.02 ± 7.52
MX3 -0.857 ± 0.070 -0.181 ± 0.112 -0.482 ± 0.441 -28.81 ± 7.99 191.89 ± 7.42
RH08 -0.986 ± 0.003 -0.095 ± 0.014 -0.140 ± 0.139 -8.03 ± 1.06 185.52 ± 0.81
RH09 -0.993 ± 0.008 -0.096 ± 0.069 -0.061 ± 0.061 -3.52 ± 3.99 185.52 ± 3.96
RH10 -0.993 ± 0.008 -0.096 ± 0.069 -0.061 ± 0.061 -3.52 ± 4.01 185.52 ± 3.95
Average -0.908 -0.130 -0.330 -19.707 188.456
Median -0.892 -0.096 -0.356 -20.872 187.046
Deviation 0.086 0.055 0.215 13.173 4.428

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 32.5 ± 4.0 433.7 ± 11.9 2.17 ± 0.20
VC 52.9 ± 3.8 369.4 ± 12.7 2.17 ± 0.20
MX1 38.0 ± 3.9 420.5 ± 12.2 2.17 ± 0.20
MX2 42.1 ± 4.0 411.4 ± 12.3 2.17 ± 0.20
MX3 43.0 ± 4.0 409.5 ± 12.3 2.17 ± 0.20
RH08 25.5 ± 4.5 450.6 ± 10.7 2.17 ± 0.20
RH09 23.8 ± 4.6 450.4 ± 10.3 2.17 ± 0.20
RH10 23.8 ± 4.6 450.4 ± 10.3 2.17 ± 0.20
Average 35.2 424.5 2.17
Median 38.0 433.7 2.17
Deviation 10.6 28.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 89.0 ± 1.4 13.8 ± 0.4 16.2 ± 0.3 25.5 ± 1.0 6.46 ± 0.26 3.49 ± 0.17
VC 98.1 ± 1.4 9.1 ± 0.3 11.6 ± 0.2 27.6 ± 1.0 10.74 ± 0.44 3.56 ± 0.17
MX1 92.0 ± 1.4 12.6 ± 0.3 15.2 ± 0.3 26.2 ± 1.0 7.33 ± 0.30 3.52 ± 0.17
MX2 94.0 ± 1.4 11.6 ± 0.3 14.3 ± 0.3 26.6 ± 1.0 8.08 ± 0.33 3.54 ± 0.17
MX3 94.6 ± 1.4 11.4 ± 0.3 14.1 ± 0.3 26.7 ± 1.0 8.27 ± 0.33 3.55 ± 0.17
RH8 81.9 ± 1.2 15.3 ± 0.4 17.4 ± 0.4 24.7 ± 1.0 5.37 ± 0.21 3.32 ± 0.17
RH9 77.4 ± 1.1 15.6 ± 0.4 17.6 ± 0.4 24.5 ± 1.0 4.96 ± 0.19 3.17 ± 0.16
RH10 77.4 ± 1.1 15.6 ± 0.4 17.6 ± 0.4 24.5 ± 1.0 4.96 ± 0.19 3.17 ± 0.16
Average 88.1 13.1 15.5 25.8 7.0 3.4
Median 92.0 13.8 16.2 26.2 7.3 3.5
Deviation 8.1 2.3 2.1 1.2 2.0 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 42.4 ± 4.2 27.8 ± 1.8 38.4 ± 5.1 52.6 ± 5.0 1.54 ± 0.22 0.82 ± 0.13
VC 48.0 ± 3.8 18.4 ± 1.2 27.4 ± 3.6 56.6 ± 5.0 2.62 ± 0.34 0.86 ± 0.13
MX1 43.8 ± 4.1 25.3 ± 1.6 35.8 ± 4.7 53.8 ± 5.0 1.74 ± 0.25 0.82 ± 0.13
MX2 45.1 ± 3.9 23.5 ± 1.5 33.7 ± 4.5 54.7 ± 5.0 1.93 ± 0.26 0.83 ± 0.13
MX3 45.5 ± 3.8 23.1 ± 1.5 33.3 ± 4.4 54.8 ± 5.0 1.99 ± 0.27 0.84 ± 0.13
RH8 39.9 ± 3.6 30.6 ± 1.9 41.0 ± 5.4 51.0 ± 5.0 1.31 ± 0.18 0.79 ± 0.13
RH9 37.7 ± 3.5 31.3 ± 1.9 41.6 ± 5.5 50.6 ± 5.0 1.21 ± 0.17 0.75 ± 0.12
RH10 37.7 ± 3.5 31.3 ± 1.9 41.6 ± 5.5 50.6 ± 5.0 1.21 ± 0.17 0.75 ± 0.12
Average 42.5 26.4 36.6 53.1 1.7 0.8
Median 43.8 27.8 38.4 53.8 1.7 0.8
Deviation 3.8 4.7 5.0 2.3 0.5 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)

   
 

Section Photo