MIT Space Plasma Group Interplanetary Shock Analysis Pages Database: Wind Shock Analysis Event ID: 20031690442 06/18/2003 169.19589 0442 [UT]

General Information (About, Top)

Year	2003
Fractional day of year	169.195885
Arrival time of shock [seconds of day]	16924.5 ± 2.0
Shock type	FF
Electron data availability	0
X GSE location of spacecraft [Re]	224.385
Y GSE location of spacecraft [Re]	-70.965
Z GSE location of spacecraft [Re]	0.690
Upstream plasma points selected for analysis	0007
Upstream field points selected for analysis	0259
Downstream plasma points selected for analysis	0008
Downstream field points selected for analysis	0260
Minimum chisq/dof for RH8,RH9,RH10	20.36, 24.12, 24.74
Event added to database	Sat Mar 12 23:41:53 2005
Event last processed	Sun Mar 13 11:48:49 2005
Method selected	RH08
Propagation delay to Earth [minutes]	36.756 ± 2.137

Asymptotic plasma parameters (About, Top)

Parameter	Upstream	Downstream
Vx GSE [km/s]	-466.0 ± 3.5	-510.3 ± 4.6
Vy GSE [km/s]	1.0 ± 1.7	-22.2 ± 2.6
Vz GSE [km/s]	18.4 ± 4.6	14.8 ± 6.0
Wi [km/s]	39.6 ± 0.8	47.1 ± 1.0
We [km/s]	1252.4 ± 26.6	1490.5 ± 32.9
Ni [n/cc]	6.6 ± 0.3	9.3 ± 0.6
Bx GSE [nT]	0.5 ± 0.4	3.5 ± 0.6
By GSE [nT]	-8.9 ± 0.2	-11.4 ± 1.1
Bz GSE [nT]	-4.2 ± 0.4	-10.2 ± 1.3
Plasma Beta	0.224 ± 0.228	0.175 ± 0.182
Sound Speed [km/s]	51.13 ± 1.09	60.85 ± 1.34
Alfven Speed [km/s]	83.83 ± 2.39	112.95 ± 3.65

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

Method	Nx	Ny	Nz	Theta [degrees]	Phi [degrees]
MC	-0.362 ± 0.226	-0.917 ± 0.091	0.168 ± 0.167	9.68 ± 6.04	248.47 ± 14.10
VC	-0.882 ± 0.040	-0.467 ± 0.075	-0.064 ± 0.064	-3.66 ± 7.60	207.89 ± 4.83
MX1	-0.827 ± 0.106	-0.548 ± 0.159	-0.122 ± 0.122	-7.02 ± 4.49	213.55 ± 11.01
MX2	-0.830 ± 0.081	-0.542 ± 0.123	-0.133 ± 0.133	-7.67 ± 4.34	213.12 ± 8.47
MX3	-0.837 ± 0.070	-0.528 ± 0.109	-0.147 ± 0.145	-8.43 ± 4.26	212.25 ± 7.49
RH08	-0.990 ± 0.001	-0.131 ± 0.009	0.061 ± 0.061	3.52 ± 0.52	187.52 ± 0.50
RH09	-0.990 ± 0.010	-0.113 ± 0.067	0.084 ± 0.084	4.81 ± 3.92	186.52 ± 3.89
RH10	-0.989 ± 0.010	-0.113 ± 0.068	0.095 ± 0.095	5.45 ± 3.93	186.52 ± 3.92
Average	-0.838	-0.420	-0.007	-0.414	206.979
Median	-0.837	-0.467	0.061	3.523	212.247
Deviation	0.206	0.284	0.123	7.071	20.864

Key shock parameters (About, Top)

Method	ThetaBn	Shock Speed	Compression
MC	42.6 ± 0.9	292.4 ± 27.4	1.45 ± 0.11
VC	66.3 ± 2.1	576.1 ± 42.1	1.45 ± 0.11
MX1	59.8 ± 2.1	547.9 ± 42.8	1.45 ± 0.11
MX2	59.9 ± 2.1	548.6 ± 43.1	1.45 ± 0.11
MX3	60.4 ± 2.2	551.1 ± 43.4	1.45 ± 0.11
RH08	87.7 ± 2.2	618.3 ± 37.6	1.45 ± 0.11
RH09	89.2 ± 2.1	617.1 ± 36.9	1.45 ± 0.11
RH10	89.5 ± 2.1	616.6 ± 36.6	1.45 ± 0.11
Average	69.4	546.0	1.45
Median	66.3	576.1	1.45
Deviation	17.4	107.2	0.00

Upstream wave speeds and mach numbers (About, Top)

Method	dV	Slow	Intermediate	Fast	Slow Mach	Fast Mach
MC	121.7 ± 1.2	34.3 ± 0.6	61.7 ± 1.8	92.0 ± 2.1	3.55 ± 0.05	1.32 ± 0.03
VC	166.7 ± 2.7	17.8 ± 0.3	33.7 ± 1.0	96.6 ± 2.0	9.36 ± 0.21	1.73 ± 0.03
MX1	165.2 ± 2.6	22.5 ± 0.4	42.2 ± 1.2	95.6 ± 2.0	7.33 ± 0.16	1.73 ± 0.04
MX2	164.8 ± 2.6	22.5 ± 0.4	42.0 ± 1.2	95.6 ± 2.0	7.34 ± 0.16	1.72 ± 0.04
MX3	164.4 ± 2.7	22.1 ± 0.4	41.4 ± 1.2	95.7 ± 2.0	7.43 ± 0.17	1.72 ± 0.04
RH8	156.2 ± 3.2	1.7 ± 0.0	3.3 ± 0.1	98.2 ± 2.0	91.01 ± 2.31	1.59 ± 0.03
RH9	154.4 ± 3.2	0.6 ± 0.0	1.2 ± 0.0	98.2 ± 2.0	252.80 ± 6.43	1.57 ± 0.03
RH10	154.1 ± 3.1	0.4 ± 0.0	0.8 ± 0.0	98.2 ± 2.0	384.10 ± 9.71	1.57 ± 0.03
Average	155.9	15.2	28.3	96.3	95.4	1.6
Median	164.4	22.1	41.4	96.6	9.4	1.7
Deviation	14.8	12.8	23.4	2.1	145.0	0.1

Downstream wave speeds and mach numbers (About, Top)

Method	dV	Slow	Intermediate	Fast	Slow Mach	Fast Mach
MC	85.0 ± 2.6	41.7 ± 0.6	83.2 ± 2.7	121.4 ± 3.0	2.04 ± 0.08	0.70 ± 0.02
VC	116.6 ± 4.3	21.8 ± 0.3	45.4 ± 1.5	126.5 ± 2.7	5.34 ± 0.23	0.92 ± 0.04
MX1	115.4 ± 4.4	27.6 ± 0.3	56.8 ± 1.8	125.3 ± 2.8	4.19 ± 0.18	0.92 ± 0.04
MX2	115.0 ± 4.5	27.5 ± 0.3	56.6 ± 1.8	125.3 ± 2.8	4.19 ± 0.19	0.92 ± 0.04
MX3	114.6 ± 4.5	27.1 ± 0.3	55.8 ± 1.8	125.4 ± 2.8	4.24 ± 0.19	0.91 ± 0.04
RH8	109.6 ± 4.2	2.1 ± 0.0	4.4 ± 0.1	128.3 ± 2.7	52.04 ± 2.34	0.85 ± 0.03
RH9	108.2 ± 4.2	0.7 ± 0.0	1.6 ± 0.1	128.3 ± 2.7	144.42 ± 6.48	0.84 ± 0.03
RH10	108.0 ± 4.1	0.5 ± 0.0	1.0 ± 0.0	128.3 ± 2.7	219.45 ± 9.79	0.84 ± 0.03
Average	109.0	18.6	38.1	126.1	54.5	0.9
Median	114.6	27.1	55.8	126.5	5.3	0.9
Deviation	10.3	15.6	31.5	2.4	82.9	0.1

Survey interval (About, Top)

Key plasma parameters

Velocity

Magnetic Field

Shock Speed (About, Top)

Theta Bn (About, Top)