CME 20040222

Tutorials: UVCS CME Observations pdf / html
UVCS CME Catalog Pages html

Table 1 - General Information

CME ID
 Time (UT)
 PA (deg)
 Speed (km/sec)
 Acceleration (m/sec2)
 Mass (g)
 Type II RB
X Flare
20040222.175405.p305g
 17:54
 287
 822
 12.7
1.4e+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)
s04.02.22.20:59:00.ovi.dat
 270
 20:59:31
 21:13:31
 3.00
 26
 120


21:14:38
 21:24:38
 2.58
 26
 120


21:26:38
 21:32:38
 2.19
 26
 120


21:33:25
 21:39:25
 2.01
 26
 120


21:40:10
 21:46:10
 1.89
 26
 120


21:48:02
 21:52:02
 1.77
 26
 120
s04.02.22.21:56:57.ovi.dat
 315
 21:57:28
 22:11:28
 3.00
 26
 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)
s04.02.22.20:59:00.ovi.dat
 997.800
 1001.40

973.400
 986.900

1209.50
 1221.90
s04.02.22.21:56:57.ovi.dat
 997.800
 1001.40

973.400
 986.900

1209.50
 1221.90


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
2004/02/22 20:59 22 22 3.0, 2.5, 2.1, 1.9, 1.7, 1.6 HILya1216
CIII977

Images

Intensity Images

LyA line width, showing narrow width in CME material

LyA intensity, background corona not subtracted, showing intense emission in LyA at PA~287 deg

LyA intensity, background corona not subtracted, showing later stages of the CME eruption at PA<310 deg

C III 977 intensity, showing several strands of the CME material


Interpretation

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

Comments

LyA at 2.5 Rs was blue-shifted first, then gradually shifted to red-shifted, indicating helical motion in the prominence material.

Last Update Wed Apr 1 15:42:30 2009