CME 19990921

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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
19990921.105405.p239g
 10:54
 241
 677
 7.1*
 2.6e+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)
d99.09.21.13:40:34.ovi.dat
 225
 13:41:04
 13:47:44
 1.50
 27
 200


13:48:27
 13:55:07
 1.60
 27
 200

225
 13:55:50
 14:04:50
 1.70
 27
 180


14:06:48
 14:15:48
 1.90
 27
 180

225
 14:17:48
 14:29:48
 2.10
 27
 180


14:32:01
 14:47:01
 2.50
 27
 180

225
 14:50:03
 15:12:03
 3.00
 27
 200

UVCS Slit Position

MOVIE of UVCS Slit on LASCO Images

Table 3 - UVCS Observation Wavelength Range

FITS filename
 Wave Min (A)
 Wave Max (A)
d99.09.21.13:40:34.ovi.dat
 1023.10
 1043.40

997.500
 1000.30

971.800
 985.700

1208.50
 1221.30


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
1999/09/21 13:41 1.4, 1.5, 1.7 FeXVIII975
OVI1032
OVI1038
SiXII499
MgX610

Images

Intensity Images

Si XII intensity


Interpretation

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

Comments

Narrow bright feature in O VI, Si XII and Mg X or Fe XVIII could be current sheet.

Last Update Tue Nov 17 23:13:10 2009