CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 20071271057
Observation time: 05/07/2007 127.45647 1057 [UT]

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Wave speed and Mach numbers
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2007
Fractional day of year 127.456470
Arrival time of shock [seconds of day] 39439.0 ± 80.0
Shock type FR
Electron data availability 0
X GSE location of spacecraft [Re] 245.354
Y GSE location of spacecraft [Re] -23.297
Z GSE location of spacecraft [Re] -14.843
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0593
Downstream plasma points selected for analysis 0011
Downstream field points selected for analysis 0693
Minimum chisq/dof for RH8,RH9,RH10 8.28, 13.38, 13.88
Event added to database
Tue Oct 14 14:59:34 2014
Event last processed
Wed Oct 15 12:31:59 2014
Method selected
RH08
Propagation delay to Earth [minutes]
55.185 ± 6.432

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -343.4 ± 2.4 -373.3 ± 5.5
Vy GSE [km/s] -41.5 ± 1.3 -45.8 ± 6.0
Vz GSE [km/s] 55.0 ± 2.5 26.7 ± 14.7
Wi [km/s] 34.2 ± 0.5 40.7 ± 2.4
We [km/s] 1081.4 ± 15.0 1286.3 ± 76.7
Ni [n/cc] 47.9 ± 2.8 17.6 ± 1.7
Bx GSE [nT] -7.8 ± 1.4 -11.2 ± 1.0
By GSE [nT] 1.8 ± 1.4 11.5 ± 1.5
Bz GSE [nT] 1.6 ± 2.2 7.2 ± 3.7
Plasma Beta
1.624 ± 1.507
0.189 ± 0.179
Sound Speed [km/s]
44.15 ± 0.61
52.51 ± 3.13
Alfven Speed [km/s]
27.22 ± 2.57
94.12 ± 4.84

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.972 ± 0.084 -0.224 ± 0.348 0.063 ± 0.063 3.61 ± 24.87 192.99 ± 20.48
VC -0.753 ± 0.121 -0.127 ± 0.154 -0.645 ± 0.536 -40.19 ± 10.60 189.60 ± 11.65
MX1 -0.974 ± 0.143 0.050 ± 0.597 -0.221 ± 0.217 -12.74 ± 36.32 177.08 ± 35.13
MX2 -0.860 ± 0.173 -0.048 ± 0.261 -0.508 ± 0.459 -30.50 ± 19.45 183.21 ± 17.34
MX3 -0.855 ± 0.147 -0.055 ± 0.219 -0.515 ± 0.464 -31.01 ± 16.27 183.70 ± 14.63
RH08 -0.648 ± 0.012 -0.596 ± 0.012 0.475 ± 0.435 28.35 ± 0.82 222.62 ± 1.00
RH09 -0.619 ± 0.056 -0.589 ± 0.057 0.520 ± 0.467 31.30 ± 4.01 223.62 ± 4.76
RH10 -0.644 ± 0.054 -0.572 ± 0.057 0.508 ± 0.459 30.56 ± 4.03 221.62 ± 4.65
Average -0.791 -0.270 -0.040 -2.578 199.305
Median -0.753 -0.127 0.063 3.610 192.986
Deviation 0.146 0.272 0.498 30.111 19.867

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 31.3 ± 11.8 330.0 ± 0.7 0.37 ± 0.03
VC 57.3 ± 15.1 205.8 ± 1.0 0.37 ± 0.03
MX1 29.9 ± 15.3 299.4 ± 0.9 0.37 ± 0.03
MX2 47.1 ± 16.0 246.9 ± 1.0 0.37 ± 0.03
MX3 47.7 ± 16.0 245.0 ± 1.0 0.37 ± 0.03
RH08 55.6 ± 12.6 267.1 ± 0.5 0.37 ± 0.03
RH09 56.7 ± 13.0 260.4 ± 0.6 0.37 ± 0.03
RH10 55.0 ± 12.9 267.2 ± 5.5 0.37 ± 0.03
Average 47.6 265.2 0.37
Median 55.0 267.1 0.37
Deviation 11.2 37.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -16.7 ± 2.4 21.8 ± 1.8 23.3 ± 2.2 47.1 ± 0.7 -0.78 ± 0.18 -0.36 ± 0.06
VC -22.7 ± 1.2 12.9 ± 0.9 14.7 ± 1.4 50.3 ± 1.1 -1.77 ± 0.18 -0.45 ± 0.03
MX1 -20.9 ± 2.0 22.2 ± 1.8 23.6 ± 2.2 46.9 ± 0.7 -0.95 ± 0.17 -0.45 ± 0.05
MX2 -22.6 ± 1.4 16.6 ± 1.2 18.5 ± 1.7 49.2 ± 1.0 -1.38 ± 0.17 -0.46 ± 0.03
MX3 -22.7 ± 1.3 16.4 ± 1.2 18.3 ± 1.7 49.2 ± 1.0 -1.39 ± 0.17 -0.46 ± 0.03
RH8 -6.2 ± 2.4 13.5 ± 1.0 15.4 ± 1.5 50.1 ± 1.1 -0.47 ± 0.23 -0.12 ± 0.05
RH9 -5.0 ± 2.4 13.1 ± 1.0 15.0 ± 1.4 50.2 ± 1.1 -0.40 ± 0.23 -0.10 ± 0.05
RH10 -5.6 ± 2.4 13.8 ± 1.0 15.6 ± 1.5 50.0 ± 1.1 -0.42 ± 0.23 -0.11 ± 0.05
Average -15.3 16.3 18.0 49.1 -0.9 -0.3
Median -16.7 16.4 18.3 50.0 -0.8 -0.4
Deviation 8.3 3.8 3.6 1.4 0.5 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -44.9 ± 3.7 42.6 ± 2.2 80.5 ± 4.1 99.0 ± 4.4 -1.06 ± 0.10 -0.46 ± 0.05
VC -64.0 ± 12.3 25.4 ± 1.2 50.8 ± 2.6 104.8 ± 4.3 -2.52 ± 0.46 -0.61 ± 0.12
MX1 -56.0 ± 8.2 43.4 ± 2.3 81.6 ± 4.2 98.7 ± 4.5 -1.29 ± 0.18 -0.57 ± 0.09
MX2 -62.9 ± 11.1 32.7 ± 1.6 64.0 ± 3.3 102.8 ± 4.4 -1.92 ± 0.32 -0.61 ± 0.11
MX3 -63.0 ± 11.2 32.3 ± 1.6 63.3 ± 3.3 102.9 ± 4.4 -1.95 ± 0.33 -0.61 ± 0.11
RH8 -14.6 ± 6.7 26.7 ± 1.3 53.2 ± 2.7 104.5 ± 4.3 -0.55 ± 0.26 -0.14 ± 0.07
RH9 -11.3 ± 7.4 25.9 ± 1.2 51.7 ± 2.7 104.7 ± 4.3 -0.44 ± 0.29 -0.11 ± 0.07
RH10 -12.8 ± 7.1 27.2 ± 1.3 54.0 ± 2.8 104.4 ± 4.3 -0.48 ± 0.27 -0.12 ± 0.07
Average -41.2 32.0 62.4 102.7 -1.3 -0.4
Median -44.9 32.3 63.3 104.4 -1.1 -0.5
Deviation 24.2 7.3 12.6 2.5 0.8 0.2

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 Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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