CME 19990807

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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
19990807.212610.p239g
21:26
273
483
4.7
3.4e+15
No
Yes


Table 2 - UVCS Observation Sequence

FITS filename
PA (deg)
T i (UT)
Tf (UT)
Height (Rsun)
Slit W. (arcsec)
Exp. Time (sec)
d99.08.07.19:24:52.ovi.dat
225
19:54:55
20:14:55
2.30
13
75


20:18:07
20:23:07
2.60
13
75


20:24:22
20:44:22
2.30
13
75


20:47:36
20:52:36
2.60
13
75


20:53:51
21:13:51
2.30
13
75


21:17:05
21:22:05
2.60
13
75
d99.08.07.21:22:46.ovi.dat
225
21:23:19
21:43:19
2.30
13
75


21:46:36
21:51:36
2.60
13
75


21:52:51
22:12:51
2.30
13
75


22:16:05
22:21:05
2.60
13
75

UVCS Slit Position

MOVIE of UVCS Slit on LASCO Images


Table 3 - UVCS Observation Wavelength Range

FITS filename
Wave Min (A)
Wave Max (A)
d99.08.07.19:24:52.ovi.dat
1030.40
1039.20

997.500
1000.50

985.400
990.400

1212.10
1216.70

976.100
978.900

1222.70
1225.30
d99.08.07.21:22:46.ovi.dat
1030.40
1039.20

997.500
1000.50

985.400
990.400

1212.10
1216.70

976.100
978.900

1222.70
1225.30


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
1999/08/07 20:53 0 116 2.35 HILya1216
OVI1032
OVI1038

Images

Intensity Images

O VI 1032 intensity with background corona subtracted, showing void at the north side and brightening at the south side

LyA intensity with background corona subtracted, showing void and brightening


Interpretation

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

Comments

The brightening in O VI and LyA are different.

Last Update Fri Oct 17 16:42:15 2008