CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20072981042
Observation time: 10/25/2007 298.44634 1042 [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 2007
Fractional day of year 298.446337
Arrival time of shock [seconds of day] 38563.5 ± 30.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 208.304
Y GSE location of spacecraft [Re] 91.274
Z GSE location of spacecraft [Re] -2.822
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0150
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0190
Minimum chisq/dof for RH8,RH9,RH10 5.66, 15.86, 16.76
Event added to database
Thu Sep 26 11:19:50 2013
Event last processed
Thu Sep 26 12:27:34 2013
Method selected
RH08
Propagation delay to Earth [minutes]
48.588 ± 1.706

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -359.1 ± 1.1 -415.7 ± 1.9
Vy GSE [km/s] -25.8 ± 1.5 -36.0 ± 2.4
Vz GSE [km/s] -4.5 ± 1.0 19.9 ± 1.9
Wi [km/s] 22.4 ± 0.8 34.9 ± 2.1
We [km/s] 706.9 ± 23.8 1102.3 ± 67.3
Ni [n/cc] 8.4 ± 0.6 20.6 ± 1.5
Bx GSE [nT] -2.0 ± 0.6 -5.1 ± 1.7
By GSE [nT] -0.1 ± 0.9 1.7 ± 4.7
Bz GSE [nT] -2.0 ± 0.5 -6.1 ± 2.1
Plasma Beta
0.969 ± 0.950
0.604 ± 0.556
Sound Speed [km/s]
28.86 ± 0.97
45.00 ± 2.75
Alfven Speed [km/s]
22.76 ± 1.16
45.57 ± 5.09

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.881 ± 0.267 -0.305 ± 0.663 -0.360 ± 0.344 -21.12 ± 23.11 199.11 ± 42.97
VC -0.906 ± 0.015 -0.164 ± 0.044 0.390 ± 0.369 22.97 ± 1.92 190.24 ± 2.75
MX1 -0.885 ± 0.186 -0.265 ± 0.250 0.382 ± 0.363 22.48 ± 26.82 196.68 ± 15.82
MX2 -0.845 ± 0.076 -0.284 ± 0.139 0.452 ± 0.418 26.87 ± 8.00 198.59 ± 9.34
MX3 -0.854 ± 0.066 -0.306 ± 0.145 0.421 ± 0.394 24.88 ± 5.91 199.73 ± 9.67
RH08 -0.981 ± 0.005 -0.060 ± 0.022 0.184 ± 0.182 10.62 ± 1.38 183.51 ± 1.31
RH09 -0.998 ± 0.005 0.061 ± 0.068 -0.028 ± 0.028 -1.60 ± 4.06 176.49 ± 3.91
RH10 -0.997 ± 0.005 0.061 ± 0.068 -0.039 ± 0.039 -2.24 ± 4.06 176.49 ± 3.91
Average -0.919 -0.158 0.175 10.358 190.104
Median -0.885 -0.164 0.382 22.480 196.678
Deviation 0.064 0.159 0.293 17.246 10.022

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 32.7 ± 8.5 401.2 ± 0.9 2.44 ± 0.25
VC 69.0 ± 12.0 433.2 ± 1.2 2.44 ± 0.25
MX1 69.5 ± 10.2 427.7 ± 1.2 2.44 ± 0.25
MX2 74.0 ± 9.7 413.1 ± 1.2 2.44 ± 0.25
MX3 72.4 ± 9.4 416.8 ± 1.2 2.44 ± 0.25
RH08 56.6 ± 14.3 455.8 ± 1.2 2.44 ± 0.25
RH09 44.7 ± 17.0 450.7 ± 1.1 2.44 ± 0.25
RH10 44.1 ± 17.1 450.2 ± 6.0 2.44 ± 0.25
Average 57.9 431.1 2.44
Median 69.0 433.2 2.44
Deviation 15.7 20.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 75.2 ± 0.9 16.9 ± 0.7 19.1 ± 1.0 32.6 ± 1.1 4.45 ± 0.23 2.31 ± 0.10
VC 105.3 ± 1.5 6.5 ± 0.3 8.2 ± 0.4 36.2 ± 1.3 16.19 ± 0.81 2.92 ± 0.13
MX1 104.7 ± 1.5 6.3 ± 0.3 8.0 ± 0.4 36.2 ± 1.3 16.53 ± 0.84 2.90 ± 0.13
MX2 104.2 ± 1.5 5.0 ± 0.2 6.3 ± 0.3 36.4 ± 1.3 20.95 ± 1.07 2.87 ± 0.13
MX3 104.1 ± 1.5 5.5 ± 0.2 6.9 ± 0.4 36.3 ± 1.3 19.04 ± 0.97 2.87 ± 0.13
RH8 102.8 ± 1.3 10.2 ± 0.4 12.5 ± 0.6 35.3 ± 1.2 10.06 ± 0.50 2.92 ± 0.13
RH9 93.9 ± 1.1 13.7 ± 0.6 16.2 ± 0.8 34.1 ± 1.2 6.88 ± 0.33 2.75 ± 0.12
RH10 93.4 ± 1.0 13.8 ± 0.6 16.3 ± 0.8 34.1 ± 1.2 6.76 ± 0.33 2.75 ± 0.12
Average 98.0 9.8 11.7 35.2 12.6 2.8
Median 104.1 10.2 12.5 36.2 16.2 2.9
Deviation 10.4 4.6 5.0 1.4 6.3 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 31.0 ± 1.8 30.5 ± 2.3 38.3 ± 4.3 56.4 ± 3.9 1.02 ± 0.07 0.55 ± 0.04
VC 42.9 ± 1.2 11.6 ± 0.9 16.4 ± 1.8 63.1 ± 4.4 3.70 ± 0.25 0.68 ± 0.04
MX1 42.7 ± 1.1 11.3 ± 0.8 15.9 ± 1.8 63.1 ± 4.4 3.78 ± 0.28 0.68 ± 0.05
MX2 42.5 ± 1.0 8.9 ± 0.6 12.6 ± 1.4 63.5 ± 4.4 4.79 ± 0.36 0.67 ± 0.05
MX3 42.4 ± 1.0 9.8 ± 0.7 13.8 ± 1.5 63.4 ± 4.4 4.36 ± 0.33 0.67 ± 0.05
RH8 42.2 ± 1.6 18.3 ± 1.3 25.1 ± 2.8 61.5 ± 4.3 2.31 ± 0.14 0.69 ± 0.04
RH9 38.8 ± 2.0 24.5 ± 1.8 32.4 ± 3.6 59.3 ± 4.1 1.58 ± 0.08 0.66 ± 0.03
RH10 38.6 ± 2.0 24.8 ± 1.8 32.7 ± 3.7 59.1 ± 4.1 1.56 ± 0.08 0.65 ± 0.03
Average 40.1 17.5 23.4 61.2 2.9 0.7
Median 42.4 18.3 25.1 63.1 3.7 0.7
Deviation 4.1 8.3 10.1 2.6 1.4 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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