CME 19990427

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
19990427.143005.p157s
 14:30
 147
 351
 22.2
1.4e+15
No
 No


Table 2 - UVCS Observation Sequence

FITS filename
 PA (deg)
 T i (UT)
 Tf (UT)
 Height (Rsun)
 Slit W. (arcsec)
 Exp. Time (sec)
d99.04.27.12:47:51.ovi.dat
 180
 13:14:06
 13:26:06
 1.90
 28
 180


13:28:19
 13:46:19
 2.15
 28
 180


13:49:49
 14:18:29
 2.40
 28
 200

UVCS Slit Position

MOVIE of UVCS Slit on LASCO Images

Table 3 - UVCS Observation Wavelength Range

FITS filename
 Wave Min (A)
 Wave Max (A)
d99.04.27.12:47:51.ovi.dat
 1023.20
 1043.80

980.400
 993.400

1208.70
 1220.60

975.800
 979.200

1221.80
 1224.90


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
1999/04/27 13:14 0 0 1.91, 2.20, 2.48 HILya1216
OVI1032
OVI1038

Images

Intensity Images

LyA Intensity, background corona not subtracted

OVI 1032 Intensity, background corona not subtracted.


Interpretation

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

Comments

Bright narrow streamer seem could be CME leg pressing against adjacent streamer structure.

Last Update Tue May 13 12:31:17 2008