4–11 Aug 2024
Free University of Tbilisi
Asia/Tbilisi timezone

Unveiling Hidden Gamma-Ray Sources: Discoveries with SEMIFIC III on Fermi-LAT Data

9 Aug 2024, 12:30
20m
200 (Free University of Tbilisi)

200

Free University of Tbilisi

Talk Astrophysics, Astronomy, Cosmology Student Lectures (Astrophysics, Astronomy, Cosmology)

Speaker

Mehran Soor

Description

For the past fifteen years, the Fermi telescope has diligently captured data on high-energy gamma rays, providing invaluable insights into the universe's most energetic phenomena. In our quest to enhance data analysis, we developed SEMIFIC III, an algorithm tailored for denoising all-sky (The extragalactic sky at absolute Galactic latitudes above 20◦ has been investigated) Fermi data with energies exceeding 3 GeV. Through this sophisticated noise reduction technique, we successfully unveiled previously obscured faint gamma-ray sources. By harnessing the power of clustering algorithms, we meticulously pinpointed these elusive sources. This innovative dual-step approach has led to the discovery of previously unrecognized gamma-ray sources.

Primary authors

Presentation materials