UVCS CME Catalog: 19990420

CME 19990420

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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
19990420.133120.p250s	13:31	240	448	53.5*	6.8e+14*	No	Yes

Table 2 - UVCS Observation Sequence

FITS filename	PA (deg)	T_i(UT)	T_f (UT)	Height (R_sun)	Slit W. (arcsec)	Exp. Time (sec)
d99.04.20.15:20:40.ovi.dat	240	15:23:10	15:43:10	1.60	13	100
		15:45:44	15:50:44	1.90	13	100
		15:51:48	16:11:48	1.60	13	100
		16:14:20	16:19:20	1.90	13	100
		16:20:20	16:40:20	1.60	13	100
		16:42:49	16:47:49	1.90	13	100
		16:48:49	17:08:49	1.60	13	100
		17:11:19	17:16:19	1.90	13	100
d99.04.20.17:16:50.ovi.dat	240	17:17:22	17:37:22	1.60	13	100
		17:39:58	17:44:58	1.90	13	100
		17:46:01	18:06:01	1.60	13	100

UVCS Slit Position

MOVIE of UVCS Slit on LASCO Images

Table 3 - UVCS Observation Wavelength Range

FITS filename	Wave Min (A)	Wave Max (A)
d99.04.20.15:20:40.ovi.dat	1024.30	1039.20
	997.500	1000.50
	990.800	993.300
	1209.50	1211.80
	985.400	990.600
	1212.00	1216.70
d99.04.20.17:16:50.ovi.dat	1024.30	1039.20
	997.500	1000.50
	990.800	993.300
	1209.50	1211.80
	985.400	990.600
	1212.00	1216.70

Table 4 - UV Properties

First Obs.	Max blue-shift (km/sec)	Max red-shift (km/sec)	Detected at (R_sun)	Lines
1999/04/20 15:51	0	0	1.55	HILya1216 OVI1032 OVI1038

Images

Intensity Images

LyA Intensity, background coronal subtracted. Ignore image at 1.90 Ro.

O VI 1032 Intensity, background corona subtracted. Event seen as deflection or void of material

Interpretation

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

Comments

Event seen as deflection or void of streamer material at PA~240 deg.

Last Update Tue May 13 11:15:23 2008