Event 1998/02/25
Note:
CME (C2/C3):
First appearance in
C2:
23:27 UT
Average velocity in
C2/C3: 289
km/s
Average acceleration in C2/C3: 1.3 m/s/s
Position Angle in
C2:
74 degree
Angular width in
C2:
65 degree
CME (C1):
First appearance in
C1:
21:44 UT
Flare:
Magnitude:
N/A
Onset
Time:
N/A
Peak
Time:
N/A
End
Time:
N/A
CME-Flare:
CME final
speed:
289 km/s
CME velocity rise
time:
~ 150 m/s/s
CME acceleration in rise
phase: ~ 32.1 m/s/s
Source Region:
Behind but close to the limb based on EIT and SXT
Others:
Probably, an intermediate CME
CME LE in
C1 is very weak and diffuse.
EIT: no apparent feature, source region behind the limb
GOES: no flare associated
CME
Height-Time
measurement data (03/05/09)
CME measurement timing versus flare
CME Height-Time, flare plot
CME Velocity-Time, flare plot
Sample Images
