The Development of Long Series of Quasi-Periodic Pulsation in Active Region AR 2297

ABSTRACT
This phenomena allow us to explore about suprathermal electron population that produced by
plasma-magnetic field interactions in the solar corona about tens of minutes. The characteristics of the
structures of the emission is influenced by wave-particle interaction and wave-wave interaction. The
Callisto spectrometer recorded broadband of solar radio burst Type IV from 250-900 MHz. Using data
from BLEN7M observatory, we aim to provide inclusive description about the formation and dynamics
of solar radio burst type IV due to active region AR2297. About five minutes, the events revealed strong
pulsations and “broad patterns” with details of solar radio burst type III with presence of CMEs. AR2297
is the most active region which produced X2-Class solar flares. The speeds of solar wind exceeds 376.0
km/second with 4.0 g/cm3 density of proton in the solar corona. The radio flux shows 121 SFU.
Furthermore, there are two active regions, AR2298 and AR2299 also presents in the X2-class solar
flares. Active region AR2297 have unstabe ‘Beta-Gamma-Delta’ magnetic fields thet habor energy for
M class to X2- class eruptions. As a conclusion, we conclude that Sun activities are more active to
achieve maximum cycle at the end 2015. Solar flares on 11th of March 2015 showed long series of
quasi-periodic pulsation that deeply modulate a continuum and its drifting toward lower frequency. The
corona extends from the top of a narrow transition region to Earth and has a temperature millions of
degrees that still mysterious properties.

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WSN 9 (2015) 59-69