CME 20040827

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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
20040827.093005.p249s
 09:30
 261
 554
 17.0
-------
No
 No


Table 2 - UVCS Observation Sequence

FITS filename
 PA (deg)
 T i (UT)
 Tf (UT)
 Height (Rsun)
 Slit W. (arcsec)
 Exp. Time (sec)
s04.08.27.10:06:47.ovi.dat
 270
 10:07:17
 10:15:17
 2.21
 55
 120


10:16:05
 10:22:05
 1.91
 55
 120


10:22:49
 10:26:49
 1.79
 55
 120
s04.08.27.10:31:43.ovi.dat
 225
 10:32:13
 10:40:13
 2.21
 55
 120


10:41:01
 10:47:01
 1.91
 55
 120


10:47:45
 10:51:45
 1.79
 55
 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)
s04.08.27.10:06:47.ovi.dat
 1022.80
 1044.70

972.800
 981.500
s04.08.27.10:31:43.ovi.dat
 1022.80
 1044.70

972.800
 981.500


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
2004/08/27 10:07 58 174 2.08, 1.72, 1.58 HILyb1026
HILyg973
CIII977
OVI1032
OVI1038

Images

Intensity Images

C III 977 intensity in the 2nd data (SW obs)

C III 977 intensity in log scale, background corona not subtracted, in the 1st data (W obs)

O VI 1032 intensity, background corona not subtracted, in the 2nd data (SW obs)

O VI 1032 intensity, background corona not subtracted, in the 1st data (W obs).

LyB intensity in log scale, background corona not subtracted, in the 1st data (W obs).


Plots and more

1st of three subsequent exposures showing possible helical motion in ejectra near the top of the slit

2nd of the three subsequent expsoures

3rd of the three subsequent exposures


Interpretation

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

Comments

The possible helical motion near the top of the slit probably came from the CME core.

Last Update Tue Mar 17 16:59:57 2009