MIT/CSR Interplanetary Shocks

MIT Space Plasma Group
Interplanetary Shock Analysis Pages

Database: Wind Shock Analysis
Event ID: 20031491831
05/29/2003 149.77161 1831 [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 2003

Fractional day of year 149.771615

Arrival time of shock [seconds of day] 66667.5 ± 3.0

Shock type FF

Electron data availability 0

X GSE location of spacecraft [Re] 248.674

Y GSE location of spacecraft [Re] -43.062

Z GSE location of spacecraft [Re] 11.160

Upstream plasma points selected for analysis 0008

Upstream field points selected for analysis 0249

Downstream plasma points selected for analysis 0007

Downstream field points selected for analysis 0212

Minimum chisq/dof for RH8,RH9,RH10 7.66, 14.34, 14.91

Event added to database
Sat Mar 12 23:40:00 2005

Event last processed
Sun Mar 13 11:47:53 2005

Method selected
RH08

Propagation delay to Earth [minutes]
29.007 ± 1.741

Asymptotic plasma parameters (About, Top)

Parameter Upstream Downstream

Vx GSE [km/s] -668.7 ± 6.4 -789.2 ± 4.0

Vy GSE [km/s] -8.5 ± 6.9 -17.0 ± 7.4

Vz GSE [km/s] 10.9 ± 8.5 47.2 ± 6.7

Wi [km/s] 32.5 ± 2.2 58.4 ± 5.7

We [km/s] 1028.8 ± 70.9 1847.5 ± 180.9

Ni [n/cc] 7.7 ± 1.2 15.9 ± 2.3

Bx GSE [nT] -5.2 ± 2.7 -7.5 ± 0.5

By GSE [nT] 0.5 ± 5.7 -0.9 ± 1.8

Bz GSE [nT] -11.5 ± 0.8 -33.1 ± 1.7

Plasma Beta
0.090 ± 0.096
0.099 ± 0.093

Sound Speed [km/s]
42.00 ± 2.89
75.42 ± 7.39

Alfven Speed [km/s]
110.95 ± 12.42
186.77 ± 10.21

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

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

MC -0.986 ± 0.175 -0.151 ± 1.143 -0.075 ± 0.075 -4.31 ± 13.33 188.68 ± 66.45

VC -0.956 ± 0.022 -0.064 ± 0.072 0.285 ± 0.277 16.59 ± 4.28 183.84 ± 4.32

MX1 -0.991 ± 0.018 -0.101 ± 0.123 0.089 ± 0.089 5.09 ± 8.46 185.81 ± 7.09

MX2 -0.992 ± 0.015 -0.068 ± 0.072 0.105 ± 0.104 6.00 ± 8.04 183.93 ± 4.18

MX3 -0.992 ± 0.016 -0.048 ± 0.078 0.113 ± 0.112 6.47 ± 7.79 182.76 ± 4.50

RH08 -0.999 ± 0.001 -0.009 ± 0.014 0.050 ± 0.050 2.88 ± 0.76 180.50 ± 0.78

RH09 -0.999 ± 0.003 0.009 ± 0.068 0.039 ± 0.039 2.24 ± 4.06 179.50 ± 3.91

RH10 -1.000 ± 0.002 0.009 ± 0.068 0.028 ± 0.028 1.60 ± 4.06 179.50 ± 3.91

Average -0.989 -0.053 0.079 4.570 183.065

Median -0.992 -0.048 0.089 5.092 183.841

Deviation 0.014 0.056 0.102 5.930 3.220

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression

MC 64.1 ± 15.2 888.1 ± 54.5 2.02 ± 0.30

VC 83.1 ± 12.8 888.3 ± 56.1 2.02 ± 0.30

MX1 72.6 ± 13.8 905.6 ± 56.0 2.02 ± 0.30

MX2 73.3 ± 13.0 907.8 ± 55.8 2.02 ± 0.30

MX3 73.7 ± 12.5 908.5 ± 55.7 2.02 ± 0.30

RH08 70.4 ± 11.6 907.1 ± 54.7 2.02 ± 0.30

RH09 69.8 ± 11.2 905.9 ± 54.4 2.02 ± 0.30

RH10 69.2 ± 11.2 905.0 ± 54.3 2.02 ± 0.30

Average 72.0 902.0 2.02

Median 72.6 905.9 2.02

Deviation 5.4 8.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method dV Slow Intermediate Fast Slow
Mach
Fast
Mach

MC 228.5 ± 7.0 17.3 ± 1.0 48.4 ± 5.4 117.5 ± 11.4 13.27 ± 0.86 1.96 ± 0.22

VC 245.2 ± 6.9 4.7 ± 0.3 13.3 ± 1.5 118.7 ± 11.3 52.32 ± 3.72 2.08 ± 0.21

MX1 241.1 ± 6.8 11.8 ± 0.7 33.2 ± 3.7 118.2 ± 11.3 20.55 ± 1.39 2.06 ± 0.21

MX2 242.5 ± 6.7 11.3 ± 0.6 31.8 ± 3.6 118.2 ± 11.3 21.57 ± 1.47 2.07 ± 0.21

MX3 243.2 ± 6.6 11.0 ± 0.6 31.1 ± 3.5 118.2 ± 11.3 22.12 ± 1.52 2.07 ± 0.21

RH8 238.7 ± 6.5 13.2 ± 0.7 37.3 ± 4.2 118.0 ± 11.4 18.07 ± 1.23 2.04 ± 0.21

RH9 237.3 ± 6.4 13.6 ± 0.8 38.4 ± 4.3 118.0 ± 11.4 17.45 ± 1.19 2.03 ± 0.21

RH10 236.4 ± 6.4 14.0 ± 0.8 39.5 ± 4.4 117.9 ± 11.4 16.91 ± 1.15 2.02 ± 0.21

Average 239.1 12.1 34.1 118.1 22.8 2.0

Median 241.1 13.2 37.3 118.2 20.6 2.1

Deviation 5.3 3.6 10.1 0.3 12.3 0.0

Downstream wave speeds and mach numbers (About, Top)

Method dV Slow Intermediate Fast Slow
Mach
Fast
Mach

MC 111.1 ± 4.6 30.8 ± 2.7 81.5 ± 4.5 199.1 ± 10.3 3.63 ± 0.33 0.56 ± 0.04

VC 119.0 ± 5.5 8.4 ± 0.7 22.4 ± 1.2 201.4 ± 10.4 14.28 ± 1.33 0.59 ± 0.04

MX1 117.6 ± 4.9 21.0 ± 1.8 55.8 ± 3.1 200.4 ± 10.3 5.63 ± 0.51 0.59 ± 0.04

MX2 118.6 ± 4.8 20.1 ± 1.7 53.6 ± 2.9 200.5 ± 10.3 5.93 ± 0.54 0.59 ± 0.04

MX3 119.1 ± 4.7 19.7 ± 1.7 52.4 ± 2.9 200.6 ± 10.3 6.09 ± 0.55 0.60 ± 0.04

RH8 116.4 ± 4.2 23.6 ± 2.0 62.8 ± 3.4 200.1 ± 10.3 4.95 ± 0.44 0.58 ± 0.04

RH9 115.6 ± 4.1 24.3 ± 2.1 64.6 ± 3.5 200.0 ± 10.3 4.78 ± 0.43 0.58 ± 0.04

RH10 115.0 ± 4.1 25.0 ± 2.2 66.4 ± 3.6 200.0 ± 10.3 4.62 ± 0.41 0.58 ± 0.04

Average 116.5 21.6 57.4 200.3 6.2 0.6

Median 117.6 23.6 62.8 200.4 5.6 0.6

Deviation 2.7 6.4 16.9 0.6 3.3 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 12:08:54 2005
Justin C Kasper (jck@mit.edu)

Year	2003
Fractional day of year	149.771615
Arrival time of shock [seconds of day]	66667.5 ± 3.0
Shock type	FF
Electron data availability	0
X GSE location of spacecraft [Re]	248.674
Y GSE location of spacecraft [Re]	-43.062
Z GSE location of spacecraft [Re]	11.160
Upstream plasma points selected for analysis	0008
Upstream field points selected for analysis	0249
Downstream plasma points selected for analysis	0007
Downstream field points selected for analysis	0212
Minimum chisq/dof for RH8,RH9,RH10	7.66, 14.34, 14.91
Event added to database	Sat Mar 12 23:40:00 2005
Event last processed	Sun Mar 13 11:47:53 2005
Method selected	RH08
Propagation delay to Earth [minutes]	29.007 ± 1.741

Parameter	Upstream	Downstream
Vx GSE [km/s]	-668.7 ± 6.4	-789.2 ± 4.0
Vy GSE [km/s]	-8.5 ± 6.9	-17.0 ± 7.4
Vz GSE [km/s]	10.9 ± 8.5	47.2 ± 6.7
Wi [km/s]	32.5 ± 2.2	58.4 ± 5.7
We [km/s]	1028.8 ± 70.9	1847.5 ± 180.9
Ni [n/cc]	7.7 ± 1.2	15.9 ± 2.3
Bx GSE [nT]	-5.2 ± 2.7	-7.5 ± 0.5
By GSE [nT]	0.5 ± 5.7	-0.9 ± 1.8
Bz GSE [nT]	-11.5 ± 0.8	-33.1 ± 1.7
Plasma Beta	0.090 ± 0.096	0.099 ± 0.093
Sound Speed [km/s]	42.00 ± 2.89	75.42 ± 7.39
Alfven Speed [km/s]	110.95 ± 12.42	186.77 ± 10.21

Method	Nx	Ny	Nz	Theta [degrees]	Phi [degrees]
MC	-0.986 ± 0.175	-0.151 ± 1.143	-0.075 ± 0.075	-4.31 ± 13.33	188.68 ± 66.45
VC	-0.956 ± 0.022	-0.064 ± 0.072	0.285 ± 0.277	16.59 ± 4.28	183.84 ± 4.32
MX1	-0.991 ± 0.018	-0.101 ± 0.123	0.089 ± 0.089	5.09 ± 8.46	185.81 ± 7.09
MX2	-0.992 ± 0.015	-0.068 ± 0.072	0.105 ± 0.104	6.00 ± 8.04	183.93 ± 4.18
MX3	-0.992 ± 0.016	-0.048 ± 0.078	0.113 ± 0.112	6.47 ± 7.79	182.76 ± 4.50
RH08	-0.999 ± 0.001	-0.009 ± 0.014	0.050 ± 0.050	2.88 ± 0.76	180.50 ± 0.78
RH09	-0.999 ± 0.003	0.009 ± 0.068	0.039 ± 0.039	2.24 ± 4.06	179.50 ± 3.91
RH10	-1.000 ± 0.002	0.009 ± 0.068	0.028 ± 0.028	1.60 ± 4.06	179.50 ± 3.91
Average	-0.989	-0.053	0.079	4.570	183.065
Median	-0.992	-0.048	0.089	5.092	183.841
Deviation	0.014	0.056	0.102	5.930	3.220

Method	ThetaBn	Shock Speed	Compression
MC	64.1 ± 15.2	888.1 ± 54.5	2.02 ± 0.30
VC	83.1 ± 12.8	888.3 ± 56.1	2.02 ± 0.30
MX1	72.6 ± 13.8	905.6 ± 56.0	2.02 ± 0.30
MX2	73.3 ± 13.0	907.8 ± 55.8	2.02 ± 0.30
MX3	73.7 ± 12.5	908.5 ± 55.7	2.02 ± 0.30
RH08	70.4 ± 11.6	907.1 ± 54.7	2.02 ± 0.30
RH09	69.8 ± 11.2	905.9 ± 54.4	2.02 ± 0.30
RH10	69.2 ± 11.2	905.0 ± 54.3	2.02 ± 0.30
Average	72.0	902.0	2.02
Median	72.6	905.9	2.02
Deviation	5.4	8.6	0.00

Method	dV	Slow	Intermediate	Fast	Slow Mach	Fast Mach
MC	228.5 ± 7.0	17.3 ± 1.0	48.4 ± 5.4	117.5 ± 11.4	13.27 ± 0.86	1.96 ± 0.22
VC	245.2 ± 6.9	4.7 ± 0.3	13.3 ± 1.5	118.7 ± 11.3	52.32 ± 3.72	2.08 ± 0.21
MX1	241.1 ± 6.8	11.8 ± 0.7	33.2 ± 3.7	118.2 ± 11.3	20.55 ± 1.39	2.06 ± 0.21
MX2	242.5 ± 6.7	11.3 ± 0.6	31.8 ± 3.6	118.2 ± 11.3	21.57 ± 1.47	2.07 ± 0.21
MX3	243.2 ± 6.6	11.0 ± 0.6	31.1 ± 3.5	118.2 ± 11.3	22.12 ± 1.52	2.07 ± 0.21
RH8	238.7 ± 6.5	13.2 ± 0.7	37.3 ± 4.2	118.0 ± 11.4	18.07 ± 1.23	2.04 ± 0.21
RH9	237.3 ± 6.4	13.6 ± 0.8	38.4 ± 4.3	118.0 ± 11.4	17.45 ± 1.19	2.03 ± 0.21
RH10	236.4 ± 6.4	14.0 ± 0.8	39.5 ± 4.4	117.9 ± 11.4	16.91 ± 1.15	2.02 ± 0.21
Average	239.1	12.1	34.1	118.1	22.8	2.0
Median	241.1	13.2	37.3	118.2	20.6	2.1
Deviation	5.3	3.6	10.1	0.3	12.3	0.0