CME 19980429

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
19980429.165854.p336g
16:58
Halo
1374
-44.8*
1.0e+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)
d98.04.29.20:10:39.lya.dat
144
20:12:39
20:42:39
1.50
14
200


20:45:45
21:15:45
1.70
14
200


21:18:44
21:58:44
1.90
14
200


22:03:12
23:03:12
2.20
14
200


23:08:39
00:28:39
2.50
14
200


00:35:04
02:15:04
3.00
14
200


02:22:29
04:22:29
3.60
14
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)
d98.04.29.20:10:39.lya.dat
1236.60
1251.40

1202.80
1232.30


Table 4 - UV Properties

First Obs. Max blue-shift (km/sec) Max red-shift (km/sec) Detected at (Rsun) Lines
1998/04/29 21:28 390 1.92, 2.27, 2.60, 3.14, 3.77 HILya1216

Images

Intensity Images

HI Ly-alpha intensity difference vs time at 1.92 and 2.27 Rsun

HI Ly-alpha intensity difference vs time at 2.60, 3.14 and 3.77 Rsun

HI Ly-alpha centroid vs time at 1.92 and 2.27 Rsun


Plots and more

HI Ly-alpha spectra


Interpretation

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

Comments

CME signature in HI ly-alpha 4.5 hours after the first LASCO CME detection. No CME signature in OVI lines

Last Update Wed Aug 13 12:26:27 2008