CME 20020123

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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
20020123.043005.p277n
04:30
281
407
4.9
2.9e+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)
d02.01.22.20:02:28.ovi.dat
275
01:36:20
05:23:00
1.65
28
200


05:35:10
06:01:50
1.63
28
200
s02.01.23.06:04:50.ovi.dat
270
06:05:43
06:15:43
1.75
42
120


06:18:25
06:26:25
1.60
42
120
s02.01.23.06:31:16.ovi.dat
315
06:32:09
06:42:09
1.75
42
120


06:45:07
06:53:07
1.60
42
120

UVCS Slit Position

MOVIE of UVCS Slit on LASCO Images


Table 3 - UVCS Observation Wavelength Range

FITS filename
Wave Min (A)
Wave Max (A)
d02.01.22.20:02:28.ovi.dat
970.500
1070.80
s02.01.23.06:04:50.ovi.dat
1024.20
1043.10

989.000
993.200

985.400
987.800

1204.00
1206.20

970.600
979.900

1211.30
1219.90
s02.01.23.06:31:16.ovi.dat
1024.20
1043.10

989.000
993.200

985.400
987.800

1204.00
1206.20

970.600
979.900

1211.30
1219.90


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
2002/01/23 04:02 1.56 (PA=275); 1.70,1.53 (PA=270);1.68, 1.56 (PA=315) HILya1216
HILyb1026
OVI1032
OVI1038
SiXII499

Images

Intensity Images

Si XII 499A intensity image of the CME detected by LASCO at 04:30 UT

O VI 1032A intensity image of the CME detected by LASCO at 04:30 UT

O VI 1032A intensity image showing the brightening of the line at 23:01 UT


Interpretation

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

Comments

The spectra of the CME show, starting from 04:02UT, the opening of the pre-existing streamer. Aside for the main CME at 4:02 UT, the data show variation of line intensities since the starting of the observation.

Last Update Wed May 13 20:02:24 2009