CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20072010327
Observation time: 07/20/2007 201.14398 0327 [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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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2007
Fractional day of year 201.143976
Arrival time of shock [seconds of day] 12439.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 249.790
Y GSE location of spacecraft [Re] -74.337
Z GSE location of spacecraft [Re] 15.600
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0216
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0238
Minimum chisq/dof for RH8,RH9,RH10 11.66, 20.49, 21.16
Event added to database
Thu Sep 26 11:03:00 2013
Event last processed
Thu Sep 26 12:12:28 2013
Method selected
RH08
Propagation delay to Earth [minutes]
62.514 ± 0.808

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -316.4 ± 0.8 -333.2 ± 1.2
Vy GSE [km/s] -12.0 ± 0.7 -33.3 ± 1.4
Vz GSE [km/s] -3.7 ± 0.6 2.6 ± 1.6
Wi [km/s] 21.1 ± 0.3 20.6 ± 1.6
We [km/s] 667.6 ± 8.5 651.7 ± 49.1
Ni [n/cc] 8.6 ± 0.2 14.8 ± 0.7
Bx GSE [nT] 2.4 ± 0.1 3.4 ± 0.2
By GSE [nT] -2.6 ± 0.1 -2.6 ± 0.6
Bz GSE [nT] -0.4 ± 0.2 1.4 ± 1.1
Plasma Beta
0.641 ± 0.657
0.618 ± 0.587
Sound Speed [km/s]
27.25 ± 0.35
26.61 ± 2.01
Alfven Speed [km/s]
26.38 ± 0.48
26.30 ± 1.11

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.745 ± 0.373 0.622 ± 0.442 0.241 ± 0.236 13.92 ± 22.74 140.16 ± 33.68
VC -0.604 ± 0.049 -0.765 ± 0.039 0.225 ± 0.221 13.01 ± 3.38 231.72 ± 3.62
MX1 -0.984 ± 0.134 -0.118 ± 1.108 0.135 ± 0.134 7.74 ± 6.57 186.86 ± 64.51
MX2 -0.497 ± 0.166 -0.821 ± 0.102 0.282 ± 0.274 16.37 ± 3.51 238.79 ± 11.60
MX3 -0.573 ± 0.082 -0.758 ± 0.065 0.312 ± 0.301 18.18 ± 5.61 232.90 ± 6.03
RH08 -0.951 ± 0.006 -0.301 ± 0.017 -0.073 ± 0.072 -4.16 ± 0.81 197.55 ± 1.04
RH09 -0.991 ± 0.009 0.131 ± 0.064 -0.039 ± 0.039 -2.24 ± 3.91 172.48 ± 3.69
RH10 -0.993 ± 0.008 0.113 ± 0.068 -0.039 ± 0.039 -2.24 ± 4.05 173.48 ± 3.90
Average -0.792 -0.237 0.130 7.571 196.743
Median -0.745 -0.118 0.225 13.006 197.549
Deviation 0.212 0.522 0.158 9.181 35.312

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 10.8 ± 3.6 228.1 ± 0.6 1.73 ± 0.12
VC 82.2 ± 2.9 266.5 ± 0.8 1.73 ± 0.12
MX1 54.4 ± 2.5 360.1 ± 0.7 1.73 ± 0.12
MX2 76.1 ± 3.1 232.3 ± 0.9 1.73 ± 0.12
MX3 81.9 ± 3.1 256.3 ± 0.9 1.73 ± 0.12
RH08 66.3 ± 1.9 357.2 ± 0.6 1.73 ± 0.12
RH09 41.5 ± 1.7 343.6 ± 0.6 1.73 ± 0.12
RH10 42.4 ± 1.7 345.6 ± 3.7 1.73 ± 0.12
Average 56.9 298.7 1.73
Median 66.3 343.6 1.73
Deviation 24.8 58.1 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 0.6 ± 0.4 24.1 ± 0.2 25.9 ± 0.5 29.3 ± 0.2 0.02 ± 0.02 0.02 ± 0.01
VC 67.2 ± 0.9 2.6 ± 0.0 3.6 ± 0.1 37.8 ± 0.3 26.06 ± 0.38 1.78 ± 0.03
MX1 47.9 ± 0.8 11.6 ± 0.1 15.4 ± 0.3 36.1 ± 0.3 4.13 ± 0.08 1.33 ± 0.03
MX2 66.2 ± 0.9 4.6 ± 0.0 6.4 ± 0.1 37.7 ± 0.3 14.39 ± 0.20 1.76 ± 0.03
MX3 67.0 ± 0.9 2.7 ± 0.0 3.7 ± 0.1 37.8 ± 0.3 25.10 ± 0.36 1.77 ± 0.03
RH8 52.4 ± 0.9 7.8 ± 0.1 10.6 ± 0.2 37.1 ± 0.3 6.74 ± 0.14 1.41 ± 0.03
RH9 31.6 ± 0.7 15.6 ± 0.1 19.8 ± 0.4 34.6 ± 0.3 2.03 ± 0.05 0.91 ± 0.03
RH10 32.7 ± 0.8 15.3 ± 0.1 19.5 ± 0.4 34.7 ± 0.3 2.14 ± 0.06 0.94 ± 0.03
Average 45.7 10.5 13.1 35.6 10.1 1.2
Median 52.4 11.6 15.4 37.1 6.7 1.4
Deviation 23.3 7.6 8.3 2.9 10.5 0.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -0.2 ± 1.8 23.7 ± 1.1 25.8 ± 1.1 29.0 ± 1.5 -0.01 ± 0.07 -0.00 ± 0.06
VC 39.4 ± 0.8 2.5 ± 0.1 3.6 ± 0.2 37.3 ± 1.9 15.53 ± 0.71 1.06 ± 0.05
MX1 28.0 ± 1.1 11.4 ± 0.6 15.3 ± 0.6 35.6 ± 1.8 2.46 ± 0.20 0.79 ± 0.06
MX2 38.6 ± 0.9 4.5 ± 0.2 6.3 ± 0.3 37.2 ± 1.8 8.54 ± 0.37 1.04 ± 0.05
MX3 39.3 ± 0.9 2.6 ± 0.1 3.7 ± 0.2 37.3 ± 1.9 14.98 ± 0.70 1.06 ± 0.05
RH8 30.6 ± 0.9 7.7 ± 0.4 10.6 ± 0.4 36.6 ± 1.8 4.00 ± 0.28 0.84 ± 0.06
RH9 18.0 ± 1.3 15.3 ± 0.7 19.7 ± 0.8 34.1 ± 1.7 1.18 ± 0.13 0.53 ± 0.06
RH10 18.7 ± 1.3 15.1 ± 0.7 19.4 ± 0.8 34.3 ± 1.7 1.25 ± 0.14 0.55 ± 0.06
Average 26.6 10.4 13.1 35.2 6.0 0.7
Median 30.6 11.4 15.3 36.6 4.0 0.8
Deviation 13.9 7.4 8.3 2.8 6.3 0.4

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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