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Bovolon, Francesca (2018) Fermi LAT and the Observation of Flares in Extragalactic Sources. [Laurea triennale]

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Abstract

English The directional coincidence, within 6 arcminutes, between the neutrino detected by IceCube and an extragalactic source with increased activity, observed at GeV energies by the LAT detector on board the Fermi spacecraft, requires an in-depth study of the direction and time distribution of gamma-ray active sources, in order to understand what the probability of a random coincidence could be. In this thesis, we aim to prepare a catalog of «flares» (intense and sudden increases in luminosity) of some sources detected by the Large Area Telescope on board the Fermi spacecraft. The catalog should indeed become the basis to understand what the probability to have a directional coincidence with high-energy neutrinos would be, with important consequences on acceleration models powering active galactic nuclei.

Item Type:Laurea triennale
Corsi di Laurea Triennale:Scuola di Scienze > Fisica Ord. 2014
Uncontrolled Keywords:active galactic nuclei, gamma ray, neutrino, flares, astroparticle physics, multimessenger astronomy
Subjects:Area 02 - Scienze fisiche > FIS/05 Astronomia e astrofisica
Codice ID:59634
Relatore:Bastieri, Denis
Data della tesi:19 April 2018
Biblioteca:Polo di Scienze > Dip. Fisica e Astronomia "Galileo Galilei" - Biblioteca
Tipo di fruizione per il documento:on-line per i full-text
Tesi sperimentale (Si) o compilativa (No)?:Yes

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