CME 20020818

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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
20020818.215405.p202s
21:54
203
682
1.9
1.0e+16*
Yes
Yes


Table 2 - UVCS Observation Sequence

FITS filename
PA (deg)
T i (UT)
Tf (UT)
Height (Rsun)
Slit W. (arcsec)
Exp. Time (sec)
d02.08.18.21:08:50.ovi.dat
226
21:10:11
03:10:11
2.40
21
600

UVCS Slit Position

MOVIE of UVCS Slit on LASCO Images


Table 3 - UVCS Observation Wavelength Range

FITS filename
Wave Min (A)
Wave Max (A)
d02.08.18.21:08:50.ovi.dat
1028.90
1043.10

996.800
1001.10

978.900
988.800

1210.90
1220.10

975.800
979.200

1219.80
1222.90


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
2002/08/18 21:40 290 2.45 HILya1216
CIII977
OVI1032
OVI1038

Images

Intensity Images

H I Lya 1216A intensity image

H I Lya Doppler shift image

O VI 1032A intensity image


Interpretation

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

Comments

The front of the CME was observed by UVCS but the exposure time is long preventing an accurate analysis of its temporal evolution.

Last Update Wed May 13 21:03:22 2009