CME 19990525

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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
19990525.014413.onlyU





No
No


Table 2 - UVCS Observation Sequence

FITS filename
PA (deg)
T i (UT)
Tf (UT)
Height (Rsun)
Slit W. (arcsec)
Exp. Time (sec)
d99.05.25.01:44:13.ovi.dat
270
25 01:45:08
25 01:51:48
1.50
27
200


25 01:52:30
25 01:59:10
1.60
27
200


25 01:59:57
25 02:08:57
1.70
27
180


25 02:10:56
25 02:19:56
1.80
27
180


25 02:21:57
25 02:33:57
2.00
27
180


25 02:36:10
25 02:51:10
2.30
27
180


25 02:54:12
25 03:19:32
2.80
27
200


25 03:22:21
25 03:57:01
3.50
27
200

Table 3 - UVCS Observation Wavelength Range

FITS filename
Wave Min (A)
Wave Max (A)
d99.05.25.01:44:13.ovi.dat
1023.40
1043.70

975.700
992.400

1207.60
1222.90


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Lines
1999/05/25 01:44 45 0 HILya
HILyb
CIII977
NIII990

Images

Plots and mores

Also seen in N III 989, C III 977, and O V] 1213, [O V] 1218


Interpretation

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

Comments

Not seen in LASCO C2. EIT 195 shows an 'activation' of a dark feature (prominence?) at PA=~270, 00:48 UT.

Last Update Fri Oct 26 16:21:23 2007