Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh23a1524k&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SH23A-1524
Astronomy and Astrophysics
Astrophysics
[7507] Solar Physics, Astrophysics, And Astronomy / Chromosphere, [7519] Solar Physics, Astrophysics, And Astronomy / Flares
Scientific paper
Solar sequential chromospheric brightenings (SCBs) are noticed in conjunction with energetic events such as solar flares, prominence eruptions, and coronal mass ejections. A new automated method for detecting and tracking SCBs and the associated flare ribbons is presented. Using a series of H-α images taken by the Improved Solar Observing Optical Network (ISOON) telescope during two SCB events in May 2005, we have developed an automated tracking algorithm that follows the SCB event as well as the evolving flare ribbons. With a bright-point detection and tracking fully automated, we will be able to efficiently identify and track both the evolution of the SCBs which are seen as precursors to the flare and the evolution of the ribbons within the flare itself. The tracked points allow us to characterize each of the flare's components: speed, distance traveled, and changing brightness. Automated recognition and characterization of SCBs will eventually allow real-time image analysis of active regions for SCBs which can give some indication of the nature of the flare to follow.
Balasubramaniam K. S.
Kirk Michael S.
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