CME 19990418
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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 |
19990418.083005.p053s |
08:30 |
59 |
475 |
12.4* |
1.2e+15 |
No |
Yes |
Table 2 - UVCS Observation Sequence |
FITS filename |
PA (deg) |
T i (UT) |
Tf (UT) |
Height (Rsun) |
Slit W. (arcsec) |
Exp. Time (sec) |
d99.04.18.08:13:57.ovi.dat |
90 |
08:14:50 |
08:21:30 |
1.50 |
27 |
200 |
08:22:14 |
08:28:54 |
1.60 |
27 |
200 | ||
08:29:42 |
08:38:42 |
1.70 |
27 |
180 | ||
08:40:49 |
08:49:49 |
1.80 |
27 |
180 | ||
08:51:48 |
09:03:48 |
2.00 |
27 |
180 | ||
09:05:59 |
09:20:59 |
2.30 |
27 |
180 | ||
09:24:04 |
09:49:24 |
2.80 |
27 |
200 | ||
09:52:12 |
10:26:52 |
3.50 |
27 |
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) |
d99.04.18.08:13:57.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 |
1999/04/18 09:01 | 361 | 0 | 2.35, 2.90, 3.64 |
HILya1216 CIII977 |
Images |
Plots and more |
Interpretation |
Front | ? |
Void | No |
Shock | No |
Current Sheet | No |
Prominence | Yes |
Flare O VI | No |
Leg | No |
Helix | No |
Comments |
Transients appeared in 3 heights and only 1-2 expsosures in each height. Judging from LASCO movie, the CME front should pass the top portion of the slit but too faint to see in UVCS data.
Last Update Tue May 19 12:29:17 2009