Event 1998/03/13 (21:30 UT)

    CME (C2/C3):
                First appearance in C2:                  21:30 UT
                Average velocity in C2/C3:           266 km/s
                Average acceleration in C2/C3:     -4.5 m/s/s
                Position Angle in C2:                    266 degree
                Angular width in C2:                      90 degree
     CME (C1):
                First appearance in C1:                  21:20 UT
                 Magnitude:                                        C5.8
                 Onset Time:                                      20:51 UT
                 Peak Time:                                        21:11 UT
                 End Time:                                         21:20 UT
                 CME final speed:                              409 km/s
                 Flare rise time:                                   20 min
                 CME acceleration in rise phase:        340.5 m/s/s
        Source Region:
                  An impulsive event
                   C1: clearly see CME eruption and dimming, but can not identify a sharp LE consistent with C2
                  GOES: C5.8 flare
                  EIT: 21:02 UT, PA. 270, small regional brightening
                  EIT: 21:14 UT, PA. 270, large regional dimming above the limb

CME Height-Time measurement data (00/03/05)

CME measurement timing versus flare

CME Height-Time, flare plot

CME Velocity-Time, flare plot

Sample Images