Event 1998/02/20
Note:
CME (C2/C3):
First appearance in
C2:
08:55 UT
Average velocity in
C2/C3: 519
km/s
Average acceleration in C2/C3: 15.6 m/s/s
Position Angle in
C2:
93 degree
Angular width in
C2:
74 degree
CME (C1):
First appearance in
C1:
N/A
Flare:
Magnitude:
N/A
Onset
Time:
N/A
Peak
Time:
N/A
End
Time:
N/A
CME-Flare:
CME final
speed:
519 km/s
Flare rise
time:
N/A
CME acceleration in rise
phase: N/A
Source Region:
Behind but close to limb based on EIT and SXT
Others:
C1: no apparent LE seen, probably due to no shparp edge
SXT: 08:40 UT, eruption from behind the limb at PA ~135 deg
EIT: 08:20 UT, Pos. 135 above the limb, regional expanding
GOES: no flare associated. The flare at 10:00 UT is from a different
location
CME
Height-Time
measurement data (00/03/01)
CME measurement timing versus flare
CME Height-Time, flare plot
CME Velocity-Time, flare plot
Sample Images