MIT/CSR Interplanetary Shocks

MIT Space Plasma Group
Interplanetary Shock Analysis Pages

Database: Wind Shock Analysis
Event ID: 20002862233
10/12/2000 286.94019 2233 [UT]

Site	Data tables	Selection	Normals	Parameters
Previous event Next event Yearly list Main page Help	General information Asymptotic parameters Shock front normals Key parameters Wave speed and Mach numbers	Survey Selected	Simple methods Rankine Individual equations	Shock speed Theta Bn Mach numbers

General Information (About, Top)

Year 2000

Fractional day of year 286.940191

Arrival time of shock [seconds of day] 81232.5 ± 3.0

Shock type FF

Electron data availability 0

X GSE location of spacecraft [Re] 31.190

Y GSE location of spacecraft [Re] -239.595

Z GSE location of spacecraft [Re] -0.110

Upstream plasma points selected for analysis 0008

Upstream field points selected for analysis 0276

Downstream plasma points selected for analysis 0009

Downstream field points selected for analysis 0304

Minimum chisq/dof for RH8,RH9,RH10 3.12, 9.68, 10.09

Event added to database
Mon Feb 14 11:10:42 2005

Event last processed
Sun Mar 13 10:59:35 2005

Method selected
RH08

Propagation delay to Earth [minutes]
-0.060 ± 0.654

Asymptotic plasma parameters (About, Top)

Parameter Upstream Downstream

Vx GSE [km/s] -327.4 ± 7.1 -441.7 ± 6.1

Vy GSE [km/s] -18.7 ± 2.8 -52.4 ± 8.6

Vz GSE [km/s] 13.8 ± 2.4 20.3 ± 18.6

Wi [km/s] 33.6 ± 2.9 43.9 ± 3.7

We [km/s] 1061.9 ± 92.5 1387.5 ± 117.4

Ni [n/cc] 4.3 ± 0.3 10.1 ± 0.8

Bx GSE [nT] -1.8 ± 0.3 -1.7 ± 1.1

By GSE [nT] 4.4 ± 0.0 12.6 ± 1.4

Bz GSE [nT] 4.8 ± 0.2 12.3 ± 1.8

Plasma Beta
0.224 ± 0.240
0.128 ± 0.127

Sound Speed [km/s]
43.35 ± 3.77
56.65 ± 4.79

Alfven Speed [km/s]
71.76 ± 3.14
122.66 ± 5.45

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]

MC -0.974 ± 0.103 -0.090 ± 0.470 0.210 ± 0.207 12.11 ± 25.76 185.29 ± 27.65

VC -0.957 ± 0.024 -0.285 ± 0.076 0.055 ± 0.055 3.14 ± 8.42 196.56 ± 4.56

MX1 -0.971 ± 0.028 -0.141 ± 0.103 0.195 ± 0.192 11.23 ± 7.13 188.29 ± 6.08

MX2 -0.970 ± 0.026 -0.146 ± 0.093 0.195 ± 0.193 11.26 ± 6.62 188.58 ± 5.51

MX3 -0.969 ± 0.025 -0.149 ± 0.088 0.195 ± 0.193 11.27 ± 6.35 188.75 ± 5.20

RH08 -0.970 ± 0.003 -0.128 ± 0.013 0.207 ± 0.204 11.93 ± 0.71 187.52 ± 0.79

RH09 -0.963 ± 0.019 -0.093 ± 0.071 0.251 ± 0.246 14.56 ± 3.99 185.52 ± 4.20

RH10 -0.963 ± 0.019 -0.093 ± 0.071 0.251 ± 0.246 14.56 ± 3.99 185.52 ± 4.20

Average -0.967 -0.141 0.195 11.258 188.252

Median -0.969 -0.128 0.207 11.929 188.287

Deviation 0.005 0.063 0.061 3.562 3.660

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression

MC 69.9 ± 2.6 524.0 ± 20.3 2.43 ± 0.24

VC 84.2 ± 2.6 526.0 ± 20.4 2.43 ± 0.24

MX1 72.6 ± 2.6 525.8 ± 20.1 2.43 ± 0.24

MX2 72.8 ± 2.6 525.9 ± 20.1 2.43 ± 0.24

MX3 72.9 ± 2.6 525.9 ± 20.1 2.43 ± 0.24

RH08 71.6 ± 2.6 525.3 ± 20.1 2.43 ± 0.24

RH09 68.4 ± 2.6 520.1 ± 20.0 2.43 ± 0.24

RH10 68.4 ± 2.6 520.1 ± 20.0 2.43 ± 0.24

Average 72.6 524.1 2.43

Median 72.6 525.8 2.43

Deviation 5.0 2.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method dV Slow Intermediate Fast Slow
Mach
Fast
Mach

MC 200.7 ± 6.6 12.8 ± 0.8 24.6 ± 1.1 83.0 ± 1.7 15.65 ± 0.62 2.42 ± 0.12

VC 206.6 ± 6.8 3.8 ± 0.2 7.3 ± 0.3 83.9 ± 1.7 54.92 ± 2.13 2.46 ± 0.12

MX1 202.8 ± 6.6 11.1 ± 0.7 21.4 ± 0.9 83.2 ± 1.7 18.25 ± 0.72 2.44 ± 0.12

MX2 202.9 ± 6.6 11.0 ± 0.7 21.2 ± 0.9 83.2 ± 1.7 18.47 ± 0.73 2.44 ± 0.12

MX3 203.1 ± 6.6 10.9 ± 0.6 21.1 ± 0.9 83.2 ± 1.7 18.60 ± 0.74 2.44 ± 0.12

RH8 202.5 ± 6.6 11.8 ± 0.7 22.6 ± 1.0 83.1 ± 1.7 17.22 ± 0.68 2.44 ± 0.12

RH9 199.5 ± 6.5 13.8 ± 0.8 26.4 ± 1.2 82.8 ± 1.7 14.48 ± 0.58 2.41 ± 0.12

RH10 199.5 ± 6.5 13.8 ± 0.8 26.4 ± 1.2 82.8 ± 1.7 14.48 ± 0.58 2.41 ± 0.12

Average 202.2 11.1 21.4 83.2 21.5 2.4

Median 202.8 11.8 22.6 83.2 18.3 2.4

Deviation 2.3 3.2 6.1 0.3 13.6 0.0

Downstream wave speeds and mach numbers (About, Top)

Method dV Slow Intermediate Fast Slow
Mach
Fast
Mach

MC 85.0 ± 5.7 17.8 ± 1.4 42.1 ± 1.9 134.0 ± 6.5 4.80 ± 0.42 0.64 ± 0.05

VC 87.2 ± 4.0 5.2 ± 0.4 12.5 ± 0.6 135.0 ± 6.6 16.74 ± 1.53 0.65 ± 0.04

MX1 85.8 ± 5.4 15.4 ± 1.2 36.6 ± 1.6 134.3 ± 6.5 5.58 ± 0.47 0.64 ± 0.04

MX2 85.9 ± 5.4 15.3 ± 1.2 36.2 ± 1.6 134.3 ± 6.5 5.65 ± 0.48 0.64 ± 0.04

MX3 86.0 ± 5.3 15.2 ± 1.2 36.0 ± 1.6 134.3 ± 6.5 5.69 ± 0.48 0.64 ± 0.04

RH8 85.9 ± 5.5 16.3 ± 1.2 38.7 ± 1.7 134.1 ± 6.5 5.28 ± 0.45 0.64 ± 0.04

RH9 84.6 ± 6.0 19.1 ± 1.5 45.2 ± 2.0 133.8 ± 6.5 4.44 ± 0.37 0.63 ± 0.05

RH10 84.6 ± 6.0 19.1 ± 1.5 45.2 ± 2.0 133.8 ± 6.5 4.44 ± 0.37 0.63 ± 0.05

Average 85.6 15.4 36.6 134.2 6.6 0.6

Median 85.9 16.3 38.7 134.3 5.6 0.6

Deviation 0.9 4.4 10.4 0.4 4.1 0.0

Survey interval (About, Top)

Selected data (About, Top)

Key plasma parameters

Velocity

Magnetic Field

Simple Methods (About, Top)

Rankine Chi^2 Contour (About, Top)

Conservation of Individual Rankine-Hugoniot Equations (About, Top)

Shock Speed (About, Top)

Theta Bn (About, Top)

Mach Numbers (About, Top)

Page updated Sun Mar 13 12:08:30 2005
Justin C Kasper (jck@mit.edu)

Year	2000
Fractional day of year	286.940191
Arrival time of shock [seconds of day]	81232.5 ± 3.0
Shock type	FF
Electron data availability	0
X GSE location of spacecraft [Re]	31.190
Y GSE location of spacecraft [Re]	-239.595
Z GSE location of spacecraft [Re]	-0.110
Upstream plasma points selected for analysis	0008
Upstream field points selected for analysis	0276
Downstream plasma points selected for analysis	0009
Downstream field points selected for analysis	0304
Minimum chisq/dof for RH8,RH9,RH10	3.12, 9.68, 10.09
Event added to database	Mon Feb 14 11:10:42 2005
Event last processed	Sun Mar 13 10:59:35 2005
Method selected	RH08
Propagation delay to Earth [minutes]	-0.060 ± 0.654

Parameter	Upstream	Downstream
Vx GSE [km/s]	-327.4 ± 7.1	-441.7 ± 6.1
Vy GSE [km/s]	-18.7 ± 2.8	-52.4 ± 8.6
Vz GSE [km/s]	13.8 ± 2.4	20.3 ± 18.6
Wi [km/s]	33.6 ± 2.9	43.9 ± 3.7
We [km/s]	1061.9 ± 92.5	1387.5 ± 117.4
Ni [n/cc]	4.3 ± 0.3	10.1 ± 0.8
Bx GSE [nT]	-1.8 ± 0.3	-1.7 ± 1.1
By GSE [nT]	4.4 ± 0.0	12.6 ± 1.4
Bz GSE [nT]	4.8 ± 0.2	12.3 ± 1.8
Plasma Beta	0.224 ± 0.240	0.128 ± 0.127
Sound Speed [km/s]	43.35 ± 3.77	56.65 ± 4.79
Alfven Speed [km/s]	71.76 ± 3.14	122.66 ± 5.45

Method	Nx	Ny	Nz	Theta [degrees]	Phi [degrees]
MC	-0.974 ± 0.103	-0.090 ± 0.470	0.210 ± 0.207	12.11 ± 25.76	185.29 ± 27.65
VC	-0.957 ± 0.024	-0.285 ± 0.076	0.055 ± 0.055	3.14 ± 8.42	196.56 ± 4.56
MX1	-0.971 ± 0.028	-0.141 ± 0.103	0.195 ± 0.192	11.23 ± 7.13	188.29 ± 6.08
MX2	-0.970 ± 0.026	-0.146 ± 0.093	0.195 ± 0.193	11.26 ± 6.62	188.58 ± 5.51
MX3	-0.969 ± 0.025	-0.149 ± 0.088	0.195 ± 0.193	11.27 ± 6.35	188.75 ± 5.20
RH08	-0.970 ± 0.003	-0.128 ± 0.013	0.207 ± 0.204	11.93 ± 0.71	187.52 ± 0.79
RH09	-0.963 ± 0.019	-0.093 ± 0.071	0.251 ± 0.246	14.56 ± 3.99	185.52 ± 4.20
RH10	-0.963 ± 0.019	-0.093 ± 0.071	0.251 ± 0.246	14.56 ± 3.99	185.52 ± 4.20
Average	-0.967	-0.141	0.195	11.258	188.252
Median	-0.969	-0.128	0.207	11.929	188.287
Deviation	0.005	0.063	0.061	3.562	3.660

Method	ThetaBn	Shock Speed	Compression
MC	69.9 ± 2.6	524.0 ± 20.3	2.43 ± 0.24
VC	84.2 ± 2.6	526.0 ± 20.4	2.43 ± 0.24
MX1	72.6 ± 2.6	525.8 ± 20.1	2.43 ± 0.24
MX2	72.8 ± 2.6	525.9 ± 20.1	2.43 ± 0.24
MX3	72.9 ± 2.6	525.9 ± 20.1	2.43 ± 0.24
RH08	71.6 ± 2.6	525.3 ± 20.1	2.43 ± 0.24
RH09	68.4 ± 2.6	520.1 ± 20.0	2.43 ± 0.24
RH10	68.4 ± 2.6	520.1 ± 20.0	2.43 ± 0.24
Average	72.6	524.1	2.43
Median	72.6	525.8	2.43
Deviation	5.0	2.6	0.00

Method	dV	Slow	Intermediate	Fast	Slow Mach	Fast Mach
MC	200.7 ± 6.6	12.8 ± 0.8	24.6 ± 1.1	83.0 ± 1.7	15.65 ± 0.62	2.42 ± 0.12
VC	206.6 ± 6.8	3.8 ± 0.2	7.3 ± 0.3	83.9 ± 1.7	54.92 ± 2.13	2.46 ± 0.12
MX1	202.8 ± 6.6	11.1 ± 0.7	21.4 ± 0.9	83.2 ± 1.7	18.25 ± 0.72	2.44 ± 0.12
MX2	202.9 ± 6.6	11.0 ± 0.7	21.2 ± 0.9	83.2 ± 1.7	18.47 ± 0.73	2.44 ± 0.12
MX3	203.1 ± 6.6	10.9 ± 0.6	21.1 ± 0.9	83.2 ± 1.7	18.60 ± 0.74	2.44 ± 0.12
RH8	202.5 ± 6.6	11.8 ± 0.7	22.6 ± 1.0	83.1 ± 1.7	17.22 ± 0.68	2.44 ± 0.12
RH9	199.5 ± 6.5	13.8 ± 0.8	26.4 ± 1.2	82.8 ± 1.7	14.48 ± 0.58	2.41 ± 0.12
RH10	199.5 ± 6.5	13.8 ± 0.8	26.4 ± 1.2	82.8 ± 1.7	14.48 ± 0.58	2.41 ± 0.12
Average	202.2	11.1	21.4	83.2	21.5	2.4
Median	202.8	11.8	22.6	83.2	18.3	2.4
Deviation	2.3	3.2	6.1	0.3	13.6	0.0