CME 19990422

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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
19990422.123006.p258s
 12:30
 236
 565
 -21.6*
 3.6e+14
No
 No


Table 2 - UVCS Observation Sequence

FITS filename
 PA (deg)
 T i (UT)
 Tf (UT)
 Height (Rsun)
 Slit W. (arcsec)
 Exp. Time (sec)
d99.04.22.13:07:28.ovi.dat
 225
 13:08:21
 13:15:01
 1.50
 27
 200


13:15:45
 13:22:25
 1.60
 27
 200


13:23:15
 13:32:15
 1.70
 27
 180


13:34:20
 13:43:20
 1.90
 27
 180


13:45:19
 13:57:19
 2.10
 27
 180


13:59:30
 14:14:30
 2.50
 27
 180


14:17:35
 14:39:35
 3.00
 27
 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)
d99.04.22.13:07:28.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) Lines
1999 04/22 13:08 45 0 HILya
CIII977

Images

Plots and mores

Transient blob in LyA at 1.43 Ro. Also appeared in C III and possibly OVI 1032.

Transient blob only seen in LyA at 3.12 Ro. Faint with small blue shift.


Interpretation

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

Comments

Event seen by LASCO shows continuous outflows throughout the UVCS observing period. The LyA intensity along the UVCS slit shows some changes in morphology but the event is too faint to single out transient signal.

Last Update Thu Aug 9 14:07:14 2007