CME 19980427

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
19980427.085606.p079g
08:56
Halo
1385
74.4
2.2e+16*
Yes
Yes


Table 2 - UVCS Observation Sequence

FITS filename
PA (deg)
T i (UT)
Tf (UT)
Height (Rsun)
Slit W. (arcsec)
Exp. Time (sec)
d98.04.27.09:03:00.lya.dat
90
09:03:50
09:12:10
1.50
14
100


09:14:05
09:39:05
1.70
14
100


09:41:48
09:53:28
1.90
14
100


09:55:31
10:12:11
2.20
14
100


10:14:32
10:31:12
2.60
14
100


10:33:36
10:50:16
3.00
14
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)
d98.04.27.09:03:00.lya.dat
1210.40
1221.80

1205.50
1208.50

1195.00
1198.50


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
1998/04/27 09:03 1.48, 1.72, 1.95, 2.29, 2.74 HILya1216

Images

Intensity Images

HI Ly-alpha intensity vs time at different heights

HI Ly-alpha centroid vs time at different heights


Interpretation

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

Comments

No CME signature in OVI lines

Last Update Tue Aug 12 18:41:00 2008