Solar Burst Type II Structures from CALLISTO Database Affected by Coronal Mass Ejections Events Detected using LASCO/SOHO Satellite

Abstract

This paper explains the CME phenomena that connect with type II solar burst, focused on the velocity and structure parameters. The data collected were from CALLISTO and LASCO/SOHO satellite for a solar type II radio burst. Radio data presented was from different stations over the world which similarly occurred within 8 minutes to reach the Earth. The drift rate of this solar burst type II is linear to its CME velocity. The majority of type II burst has a drift rate of range 0.05-0.4 MHz/s which is considered as a slow drift rate. Both harmonic and Herringbone structure of type II has a slow drift rate which drifted from high frequency to lower frequency as time duration increases. Slow drift rate was a complement to the solar radio burst type II. Using LASCO data, there was a CME present during the time burst observed. The energy produced during CME phenomena was high enough to associate with burst type II. Herringbone structure of type II burst has variation in its CME velocity and is unpredictable which may have the extreme velocity or much slower velocity. The structure forms a single band which propagates from high frequency to lower frequency in time duration. However, for the harmonic structure of burst type II, the velocity of its associated CME has average speed of 300 to 600 km/s which normally. Thus, the behavior of type II burst needs to be well understood as it associated with the interaction of particles in CME phenomena.