Event 1998/03/27 01:23 UT

                First appearance in C2:                  01:23 UT
                Average velocity in C2/C3:           568.1 km/s
                Average acceleration in C2/C3:  2.1 m/s/s
                Position angle in C2:                       88 degre
                Angular width in C2:                      87 degree
                First appearance in C1:                  00:47 UT
                 Magnitude:                                         C1.0
                 Onset Time:                                       00:36 UT
                 Peak Time:                                         00:46 UT
                 CME final speed:                               568.1 km/s
                 CME velocity rise time:                   10 min
                 CME acceleration in rise phase:    946.9 m/s/s
        Source Region:
                  N30E41, NOAA 8188 (indicated by YOHKOH/SXT)
                  An impulsive CME
                  C1: Very high cadence C1 observations right at the X-ray flare peak
                  C1: C1 velocity is 588 km/s, similar to the average in C2 and C3, indicating
                  C1: no further acceleration right after the flare peak
                  EIT: observation not available

CME Height-Time measurement data (07/03/06)

CME measurement timing versus flare

CME Height-Time, flare plot

CME Velocity-Time, flare plot

Sample Images