CME 20020421

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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
20020421.012720.p282g
01:27
Halo
2393
-1.4
-------
Yes
Yes


Table 2 - UVCS Observation Sequence

FITS filename
PA (deg)
T i (UT)
Tf (UT)
Height (Rsun)
Slit W. (arcsec)
Exp. Time (sec)
d02.04.21.00:45:33.ovi.dat
262
00:45:55
01:49:55
1.70
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)
d02.04.21.00:45:33.ovi.dat
1024.00
1043.20

998.100
1008.90

991.100
994.700

967.200
981.100

943.700
965.100

1171.80
1191.60


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
2002/04/21 01:05 500 850 1.63 HILyb1026
HILyg973
FeXVIII975
CIII977
OVI1032
OVI1038
SiXII499
SiXII521
FeXII1242
SiVIII944
SiVIII949

Images

Intensity Images

UV spectra of the CME. O VI lines are in the first panel, Si XII in the second panel and [Fe XVIII] in the third panel.

[Fe XVIII] 975A intensity image

O VI 1032A inetensity image


Interpretation

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

Publications

Raymond J.C. et al 2003, ApJL, 597, 1106; Lee et al. 2009, ApJ 692, 1271

Comments

This is a CME event in which streamer blowout has been detected

Last Update Mon Apr 27 20:55:17 2009