CME 19980511

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Table 1 - General Information

CME ID
 Time (UT)
 PA (deg)
 Speed (km/sec)
 Acceleration (m/sec2)
 Mass (g)
 Type II RB
X Flare
19980511.215522.p284g
 21:55
 208
 830
 -4.7
1.0e+16*
 No
 Yes


Table 2 - UVCS Observation Sequence

FITS filename
 PA (deg)
 T i (UT)
 Tf (UT)
 Height (Rsun)
 Slit W. (arcsec)
 Exp. Time (sec)
d98.05.11.20:28:17.lya.dat
 180
 20:29:11
 22:59:11
 1.90
 14
 300


23:11:25
 23:41:25
 1.88
 14
 300


23:44:43
 02:14:43
 2.10
 14
 300


02:26:45
 02:56:45
 2.08
 14
 300
d98.05.12.03:28:09.lya.dat
 270
 03:28:58
 03:37:18
 1.50
 14
 100


03:39:18
 04:04:18
 1.70
 14
 100


04:07:07
 04:18:47
 1.90
 14
 100


04:20:52
 04:37:32
 2.20
 14
 100


04:39:59
 04:56:39
 2.60
 14
 100


04:58:59
 05:15:39
 3.00
 14
 100
d98.05.11.20:28:17.ovi.dat
 180
 20:29:09
 22:59:09
 1.90
 38
 300


23:11:24
 23:41:24
 1.88
 38
 300


23:44:41
 02:14:41
 2.10
 38
 300


02:26:45
 02:56:45
 2.08
 38
 300
d98.05.12.03:28:09.ovi.dat
 270
 03:28:58
 03:37:18
 1.50
 82
 100


03:39:17
 04:04:17
 1.70
 82
 100


04:07:07
 04:18:47
 1.90
 82
 100


04:20:52
 04:37:32
 2.20
 82
 100


04:39:57
 04:56:37
 2.60
 82
 100


04:58:58
 05:15:38
 3.00
 82
 100

UVCS Slit Position

MOVIE of UVCS Slit on LASCO Images

Table 3 - UVCS Observation Wavelength Range

FITS filename
 Wave Min (A)
 Wave Max (A)
d98.05.11.20:28:17.lya.dat
 1194.80
 1283.00
d98.05.12.03:28:09.lya.dat
 1210.40
 1221.70

1205.50
 1208.50

1195.00
 1198.50
d98.05.11.20:28:17.ovi.dat
 1023.30
 1045.90

997.600
 1023.20

954.100
 979.800

1176.40
 1200.10
d98.05.12.03:28:09.ovi.dat
 1022.70
 1043.60

1005.40
 1013.80

1235.40
 1243.10


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
1998/05/11 21:22 50 1.91, 1.48, 1.72, 1.95, 2.29, 2.74 HILya1216
OVI1032
OVI1038
NV1243
SiIII1207
NV1239

Images

Intensity Images

Si III intensity vs time at 2 different heights

OVI 1032 intensity difference vs time at the South pole

OVI 1032 intensity vs time at 3 different heights

OVI 1032 intensity difference vs time at larger heights

HI Ly-alpha intensity vs time at 3 different heights

NV 1239 intensity vs time at 3 different heights

HI Ly-beta intensity vs time at 3 different heights

HI Ly-alpha intensity vs time at the South pole


Interpretation

Front ?
Void ?
Shock No
Current Sheet ?
Prominence ?
Flare O VI Yes
Leg No
Helix ?

Comments

Narrow feature at the West limb 5 hours after the first CME detection by LASCO. The LASCO central polar angle is likely incorrect

Last Update Tue Dec 9 23:37:09 2008