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High Energy gamma-ray behavior of a potential astrophysical neutrino source: The case of TXS 0506+056
Linnaeus University, Faculty of Technology, Department of Physics and Electrical Engineering.
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 40 credits / 60 HE creditsStudent thesis
Abstract [en]

Blazars are a type of Active Galaxy that emit strong astrophysical jets. The association of a HE gamma-ray flare from the blazar TXS 0506+056 to the IceCube-170922A neutrino event in 2017, opened the possibility to a link between these two events. In this thesis, we will look at the HE gamma-ray behavior of TXS 0506+056 using data obtained from the Fermi-LAT by taking into account the other set of neutrino events associated with this source from 2014-2015. We will investigate whether both neutrino events present with comparable HE gamma-ray behavior by analyzing the lightcurves and the spectra for a quiet state, the 2014-2015 period, and the flare centered around the neutrino event from 2017. The results of the analysis performed in this thesis show no strong indication of a change in the gamma-ray behaviour in these potential neutrino detections.

Place, publisher, year, edition, pages
2019. , p. 107
Keywords [en]
Blazars, Active Galactic Nuclei, TXS 0506+056, Gamma rays, AGN, astrophysical neutrino, IceCube neutrino, astrophysical jets
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:lnu:diva-90569OAI: oai:DiVA.org:lnu-90569DiVA, id: diva2:1378714
Subject / course
Physics
Educational program
Physics, masterprogramme, 120 credits
Presentation
2019-10-22, Karlavagnen, Hus M, Georg Lückligs väg 1, Växjö, 10:00 (English)
Supervisors
Examiners
Available from: 2019-12-19 Created: 2019-12-13 Last updated: 2020-01-03Bibliographically approved

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Valtonen-Mattila, Nora
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CiteExportLink to record
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  • apa
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Output format
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