CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 19950630036
Observation time: 03/04/1995 63.02568 0036 [UT]

Wind spacecraft

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


General Information (About, Top)

Year 1995
Fractional day of year 63.025677
Arrival time of shock [seconds of day] 2218.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 206.310
Y GSE location of spacecraft [Re] -0.258
Z GSE location of spacecraft [Re] 12.360
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0228
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0230
Minimum chisq/dof for RH8,RH9,RH10 15.62, 28.25, 29.51
Event added to database
Mon Feb 14 11:00:15 2005
Event last processed
Wed Mar 25 12:49:55 2009
Method selected
RH08
Propagation delay to Earth [minutes]
42.457 ± 11.200

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -414.5 ± 0.9 -445.8 ± 2.5
Vy GSE [km/s] -31.4 ± 1.5 -18.9 ± 1.6
Vz GSE [km/s] -35.9 ± 1.9 0.0 ± 2.7
Wi [km/s] 26.1 ± 0.7 32.6 ± 0.7
We [km/s] 824.8 ± 23.1 1032.4 ± 21.5
Ni [n/cc] 5.2 ± 0.3 10.0 ± 0.3
Bx GSE [nT] 0.0 ± 0.1 1.5 ± 0.5
By GSE [nT] -3.8 ± 0.1 -6.3 ± 0.3
Bz GSE [nT] 0.9 ± 0.5 3.9 ± 0.3
Plasma Beta
0.470 ± 0.474
0.391 ± 0.390
Sound Speed [km/s]
33.67 ± 0.94
42.15 ± 0.88
Alfven Speed [km/s]
38.31 ± 2.39
52.37 ± 2.17

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.379 ± 0.128 -0.806 ± 0.078 -0.454 ± 0.420 -26.98 ± 7.05 244.81 ± 8.92
VC -0.636 ± 0.048 0.254 ± 0.047 0.729 ± 0.559 46.76 ± 3.80 158.24 ± 3.93
MX1 -0.616 ± 0.096 0.448 ± 0.128 0.648 ± 0.537 40.37 ± 2.97 143.99 ± 11.75
MX2 -0.668 ± 0.057 0.386 ± 0.083 0.636 ± 0.532 39.49 ± 3.34 150.01 ± 6.96
MX3 -0.701 ± 0.049 0.346 ± 0.066 0.623 ± 0.526 38.55 ± 3.83 153.75 ± 5.18
RH08 -0.747 ± 0.006 0.208 ± 0.011 0.631 ± 0.530 39.14 ± 0.47 164.46 ± 0.82
RH09 -0.943 ± 0.023 -0.041 ± 0.071 0.330 ± 0.317 19.25 ± 4.00 182.51 ± 4.29
RH10 -0.953 ± 0.021 -0.058 ± 0.071 0.296 ± 0.287 17.22 ± 4.00 183.51 ± 4.24
Average -0.706 0.092 0.430 26.726 172.660
Median -0.668 0.254 0.631 39.145 164.457
Deviation 0.185 0.408 0.390 24.130 32.489

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 47.4 ± 5.8 169.8 ± 5.9 1.94 ± 0.06
VC 84.8 ± 5.5 330.5 ± 8.6 1.94 ± 0.06
MX1 72.8 ± 5.4 317.1 ± 8.5 1.94 ± 0.06
MX2 76.2 ± 5.1 341.9 ± 8.5 1.94 ± 0.06
MX3 78.3 ± 4.9 357.3 ± 8.5 1.94 ± 0.06
RH08 86.1 ± 4.8 380.2 ± 8.4 1.94 ± 0.06
RH09 84.1 ± 2.7 464.7 ± 7.4 1.94 ± 0.06
RH10 83.6 ± 2.5 468.5 ± 7.3 1.94 ± 0.06
Average 76.6 353.8 1.94
Median 83.6 357.3 1.94
Deviation 12.7 94.1 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -29.0 ± 2.2 18.3 ± 0.5 25.9 ± 1.6 47.6 ± 1.7 -1.59 ± 0.15 -0.61 ± 0.06
VC 101.0 ± 1.7 2.3 ± 0.1 3.4 ± 0.2 51.0 ± 1.7 44.55 ± 1.81 1.98 ± 0.09
MX1 99.0 ± 1.8 7.6 ± 0.2 11.3 ± 0.7 50.5 ± 1.7 13.11 ± 0.54 1.96 ± 0.09
MX2 99.8 ± 1.7 6.1 ± 0.2 9.2 ± 0.6 50.7 ± 1.7 16.45 ± 0.66 1.97 ± 0.09
MX3 99.8 ± 1.6 5.2 ± 0.1 7.8 ± 0.5 50.8 ± 1.7 19.36 ± 0.77 1.97 ± 0.09
RH8 99.7 ± 1.4 1.7 ± 0.0 2.6 ± 0.2 51.0 ± 1.7 58.07 ± 2.22 1.96 ± 0.09
RH9 84.3 ± 0.9 2.6 ± 0.1 4.0 ± 0.2 51.0 ± 1.7 32.30 ± 0.98 1.66 ± 0.06
RH10 82.1 ± 0.9 2.8 ± 0.1 4.3 ± 0.3 51.0 ± 1.7 28.95 ± 0.86 1.61 ± 0.06
Average 79.6 5.8 8.6 50.4 26.4 1.6
Median 99.7 5.2 7.8 51.0 28.9 2.0
Deviation 44.5 5.5 7.7 1.1 18.8 0.9

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -14.5 ± 2.3 23.7 ± 0.4 35.5 ± 1.5 62.9 ± 1.7 -0.61 ± 0.10 -0.23 ± 0.04
VC 51.7 ± 1.5 2.9 ± 0.1 4.7 ± 0.2 67.2 ± 1.7 17.54 ± 0.37 0.77 ± 0.02
MX1 50.9 ± 1.5 9.8 ± 0.2 15.5 ± 0.6 66.5 ± 1.7 5.18 ± 0.10 0.76 ± 0.01
MX2 51.2 ± 1.5 7.9 ± 0.2 12.5 ± 0.5 66.8 ± 1.7 6.49 ± 0.12 0.77 ± 0.01
MX3 51.2 ± 1.5 6.7 ± 0.1 10.6 ± 0.4 66.9 ± 1.7 7.63 ± 0.15 0.76 ± 0.02
RH8 51.1 ± 1.5 2.2 ± 0.0 3.6 ± 0.1 67.2 ± 1.7 22.86 ± 0.48 0.76 ± 0.02
RH9 43.5 ± 1.9 3.4 ± 0.1 5.4 ± 0.2 67.2 ± 1.7 12.81 ± 0.52 0.65 ± 0.03
RH10 42.4 ± 2.0 3.7 ± 0.1 5.9 ± 0.2 67.1 ± 1.7 11.49 ± 0.50 0.63 ± 0.03
Average 40.9 7.6 11.7 66.5 10.4 0.6
Median 51.1 6.7 10.6 67.1 11.5 0.8
Deviation 22.7 7.1 10.5 1.5 7.4 0.3

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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