CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20013341815
Observation time: 11/30/2001 334.76095 1815 [UT]

Wind spacecraft

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


General Information (About, Top)

Year 2001
Fractional day of year 334.760955
Arrival time of shock [seconds of day] 65746.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 42.550
Y GSE location of spacecraft [Re] 420.909
Z GSE location of spacecraft [Re] 18.420
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0258
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0296
Minimum chisq/dof for RH8,RH9,RH10 5.37, 8.57, 8.73
Event added to database
Mon Feb 14 11:16:41 2005
Event last processed
Mon Mar 30 22:12:38 2009
Method selected
RH08
Propagation delay to Earth [minutes]
3.630 ± 1.647

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -339.3 ± 2.7 -362.2 ± 1.0
Vy GSE [km/s] -17.1 ± 3.2 -14.5 ± 3.8
Vz GSE [km/s] 0.2 ± 3.5 15.2 ± 4.2
Wi [km/s] 25.9 ± 1.5 29.5 ± 2.0
We [km/s] 819.0 ± 48.6 932.3 ± 62.1
Ni [n/cc] 3.8 ± 0.2 5.4 ± 0.3
Bx GSE [nT] 1.8 ± 0.2 2.1 ± 0.2
By GSE [nT] -3.1 ± 0.3 -3.9 ± 0.5
Bz GSE [nT] 0.7 ± 0.3 3.1 ± 0.6
Plasma Beta
0.397 ± 0.378
0.324 ± 0.319
Sound Speed [km/s]
33.44 ± 1.99
38.06 ± 2.54
Alfven Speed [km/s]
41.42 ± 2.05
51.94 ± 1.62

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.557 ± 0.219 0.771 ± 0.163 0.309 ± 0.299 18.01 ± 10.42 125.83 ± 16.10
VC -0.840 ± 0.097 0.103 ± 0.170 0.532 ± 0.475 32.16 ± 10.23 173.03 ± 11.56
MX1 -0.840 ± 0.143 0.490 ± 0.242 0.234 ± 0.229 13.51 ± 6.94 149.71 ± 16.49
MX2 -0.905 ± 0.074 0.362 ± 0.175 0.221 ± 0.218 12.78 ± 6.30 158.19 ± 11.06
MX3 -0.956 ± 0.032 0.216 ± 0.113 0.198 ± 0.195 11.42 ± 5.88 167.29 ± 6.75
RH08 -0.990 ± 0.002 0.061 ± 0.014 0.128 ± 0.128 7.38 ± 1.00 176.49 ± 0.80
RH09 -0.999 ± 0.003 0.044 ± 0.069 -0.006 ± 0.006 -0.32 ± 4.05 177.49 ± 3.94
RH10 -1.000 ± 0.002 0.026 ± 0.069 -0.006 ± 0.006 -0.32 ± 4.05 178.50 ± 3.94
Average -0.886 0.259 0.201 11.828 163.316
Median -0.905 0.216 0.221 12.785 173.025
Deviation 0.149 0.265 0.175 10.491 18.250

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 30.5 ± 4.2 244.4 ± 20.3 1.40 ± 0.07
VC 67.2 ± 2.3 378.8 ± 22.4 1.40 ± 0.07
MX1 39.3 ± 2.2 359.9 ± 21.3 1.40 ± 0.07
MX2 45.6 ± 2.6 385.8 ± 21.7 1.40 ± 0.07
MX3 52.8 ± 3.2 407.6 ± 21.8 1.40 ± 0.07
RH08 59.7 ± 3.9 417.9 ± 21.5 1.40 ± 0.07
RH09 58.6 ± 4.6 417.0 ± 21.0 1.40 ± 0.07
RH10 59.5 ± 4.6 416.8 ± 21.0 1.40 ± 0.07
Average 51.7 378.5 1.40
Median 58.6 407.6 1.40
Deviation 12.3 58.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 68.6 ± 2.3 25.4 ± 0.8 35.7 ± 1.8 46.8 ± 1.4 2.70 ± 0.13 1.47 ± 0.04
VC 95.3 ± 1.4 10.2 ± 0.3 16.0 ± 0.8 52.3 ± 1.5 9.32 ± 0.27 1.82 ± 0.05
MX1 83.4 ± 1.3 22.1 ± 0.7 32.1 ± 1.6 48.5 ± 1.4 3.78 ± 0.13 1.72 ± 0.05
MX2 84.7 ± 1.4 19.5 ± 0.6 29.0 ± 1.4 49.6 ± 1.4 4.34 ± 0.14 1.71 ± 0.05
MX3 86.8 ± 1.7 16.5 ± 0.5 25.1 ± 1.2 50.7 ± 1.5 5.26 ± 0.18 1.72 ± 0.06
RH8 83.1 ± 2.2 13.5 ± 0.4 20.9 ± 1.0 51.5 ± 1.5 6.15 ± 0.24 1.61 ± 0.07
RH9 78.8 ± 2.6 14.0 ± 0.4 21.6 ± 1.1 51.4 ± 1.5 5.62 ± 0.25 1.53 ± 0.07
RH10 78.0 ± 2.6 13.6 ± 0.4 21.0 ± 1.0 51.5 ± 1.5 5.74 ± 0.25 1.52 ± 0.07
Average 82.3 16.9 25.2 50.3 5.4 1.6
Median 83.4 16.5 25.1 51.4 5.6 1.7
Deviation 7.7 5.1 6.6 1.9 2.0 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 49.2 ± 3.5 29.8 ± 1.6 44.7 ± 1.4 57.1 ± 1.8 1.66 ± 0.13 0.86 ± 0.07
VC 67.8 ± 2.0 12.1 ± 0.6 20.1 ± 0.6 63.3 ± 2.2 5.62 ± 0.21 1.07 ± 0.04
MX1 59.4 ± 2.2 25.9 ± 1.3 40.2 ± 1.3 59.0 ± 1.9 2.30 ± 0.13 1.01 ± 0.05
MX2 59.8 ± 1.7 23.0 ± 1.2 36.4 ± 1.1 60.2 ± 2.0 2.61 ± 0.13 0.99 ± 0.05
MX3 61.4 ± 1.2 19.5 ± 1.0 31.4 ± 1.0 61.4 ± 2.1 3.16 ± 0.15 1.00 ± 0.04
RH8 58.4 ± 0.8 16.0 ± 0.8 26.2 ± 0.8 62.4 ± 2.1 3.66 ± 0.18 0.94 ± 0.04
RH9 55.9 ± 0.9 16.5 ± 0.8 27.1 ± 0.8 62.3 ± 2.1 3.39 ± 0.19 0.90 ± 0.04
RH10 55.2 ± 0.9 16.0 ± 0.8 26.3 ± 0.8 62.4 ± 2.1 3.45 ± 0.20 0.89 ± 0.04
Average 58.4 19.8 31.6 61.0 3.2 1.0
Median 59.4 19.5 31.4 62.3 3.4 1.0
Deviation 5.4 5.9 8.3 2.1 1.2 0.1

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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