CME 19990408
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 |
19990408.145405.p256s |
14:54 |
247 |
455 |
-13.2 |
2.7e+14 |
No |
Yes |
Table 2 - UVCS Observation Sequence |
FITS filename |
PA (deg) |
T i (UT) |
Tf (UT) |
Height (Rsun) |
Slit W. (arcsec) |
Exp. Time (sec) |
d99.04.08.13:48:27.ovi.dat |
225 |
13:49:20 |
13:56:00 |
1.50 |
28 |
200 |
13:56:48 |
14:03:28 |
1.60 |
28 |
200 | ||
14:04:12 |
14:13:12 |
1.70 |
28 |
180 | ||
14:15:17 |
14:24:17 |
1.90 |
28 |
180 | ||
14:26:18 |
14:38:18 |
2.10 |
28 |
180 | ||
14:40:31 |
14:55:31 |
2.50 |
28 |
180 | ||
14:58:33 |
15:20:33 |
3.00 |
28 |
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) |
d99.04.08.13:48:27.ovi.dat |
1023.20 |
1043.70 |
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) | Detected at (Rsun) | Lines |
1999/04/08 14:40 | 0 | 0 | 2.58, 3.12 |
HILya1216 |
Images |
Intensity Images |
LyA Intensity, background corona not subtracted, transients embedded in PA=236-246 |
Interpretation |
Front | No |
Void | No |
Shock | No |
Current Sheet | No |
Prominence | ? |
Flare O VI | No |
Leg | No |
Helix | No |
Comments |
Faint event. Only small change in LyA, possibly O VI 1032 also, can be seen. The CME should pass UVCS slit based on LASCO CME movie.
Last Update Tue May 19 12:23:45 2009