CME 20020822

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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
20020822.020606.p231g
02:06
Halo
998
-32.8
-------
Yes
Yes


Table 2 - UVCS Observation Sequence

FITS filename
PA (deg)
T i (UT)
Tf (UT)
Height (Rsun)
Slit W. (arcsec)
Exp. Time (sec)
d02.08.21.23:45:20.ovi.dat
210
23:46:41
05:46:41
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)
d02.08.21.23:45:20.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
2002/08/22 02:01 115 2.45 HILya1216
CIII977
OVI1032
OVI1038
OV1218

Images

Intensity Images

H I Lya 1216A intensity image

H I Lya Doppler shift

O V] 1218A intensity image

O VI 1032A intensity image


Interpretation

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

Comments

The passage of the front across the UVCS slit is seen as dimming of the O VI and Lya lines at 02:01 UT. Broad OVI and Lya lines maybe due to bulk expansion but given the long exposure time they maybe due to Doppler shift.

Last Update Fri Apr 10 22:36:19 2009