Table 1:
Summary of observed events.
Time (UT) |
Event |
Comments |
08:42:35 |
Flare brightening in EUV |
TRACE, NOAA 8858 at N25E26 |
08:42:40 |
X-ray flare onset |
GOES, Yohkoh HXT |
08:44 |
Start of moving EUV "fan'' |
100 km s-1, towards West (TRACE, EIT) |
08:44:20 |
RS type III burst |
NE of AR (radio) |
08:46:05 |
RS type III burst |
NE of AR (radio) |
08:47:40 |
Hard X-ray rise |
impulsive burst start in the 14-53 keV range |
08:48 |
First signs of EUV dimming |
EIT difference image at 08:48:12-08:36 UT |
08:48:24 |
Hard X-ray maximum |
several peaks in 14-53 keV (Yohkoh HXT), location over flare ribbons |
|
|
(two-ribbon flare) |
08:48:30 |
Start of J-bursts |
along transequatorial loop, towards South from AR (radio) |
-08:48:50- |
Loop ejection |
220-520 km s-1, towards SE (Yohkoh SXT) |
-08:48:56- |
Expanding structure |
320-540 km s-1, towards NE (Yohkoh SXT) |
-08:50:28- |
Expanding "bubble'' |
720 km s-1, towards East (Yohkoh SXT) |
08:50:30 |
End of J-bursts |
|
08:50:40 |
Start of type IV |
decimetric continuum begins at 800 MHz (radio) |
08:51:30 |
Start of narrow-band bursts |
widespread locations (radio) |
08:52:30 |
End of narrow-band bursts |
|
-08:52:38- |
Moving front |
120 km s-1, towards North (Yohkoh SXT) |
08:53 |
Start of type II |
2nd harmonic at 160 MHz, near NE limb moving towards South, |
|
|
fundamental at 80 MHz (not imaged), several lanes after 08:58 UT (radio) |
|
|
velocity estimate 806 km s-1 (Caroubalos et al.) |
09:00:00 |
Soft X-ray flare maximum |
GOES M 1.3 |
09:04 |
End of type IV |
stationary, location NE of AR (radio) |
09:30:05 |
First appearance of CME in LASCO C2 |
compact structure at
in NE |
|
|
estimated speed 1300 km s-1 (LASCO CME Catalog) |