Nobeyama Radioheliograph Event 19990420_2346


EventID : 19990420_2346
Keyword : Flare
Observer : K. Hori
Start : 1999-04-20 23:46
Peak : 1999-04-21 03:06
End : 1999-04-21 04:36
Position: N21W77
Maximum Correlation @17GHz (x10^-4) : 7.1
Maximum Brightness Temperature @17GHz : 1.5e+05
GOES: C1.7
NOAA Number: 8517


AR 8517 on the NW limb intensified over five hours.


Left: Full disk image at 17GHz (23:06:23UT). FOV of the box is 314" x 314'.
Right: SXT image on the same day (16:04:37UT). (From MSSL)


Time evolution of the maximum brightness temperature (Tb) in the box.
Data are plotted every 10 min.


Evolution of Stokes I (R+L) map in the box. Individual images are normalized to Tb = 1.5 x 10^5 (K).
Mpeg movie