Repozitorij Univerze v Novi Gorici

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Naslov:Flares from the centers of galaxies with Gaia and OGLE surveys
Avtorji:ID Wyrzykowski, Łukasz (Mentor) Več o mentorju... Novo okno
ID Gomboc, Andreja (Mentor) Več o mentorju... Novo okno
ID Ihanec, Nada (Avtor)
Datoteke:.pdf Nada_Ihanec.pdf (8,11 MB)
MD5: E5B536B85AFE6670B24C7F22E835BCC5
 
Jezik:Angleški jezik
Vrsta gradiva:Magistrsko delo/naloga
Tipologija:2.09 - Magistrsko delo
Organizacija:FN - Fakulteta za naravoslovje
Opis:Modern wide-field-of-view and all-sky satellites (e.g. Gaia) and ground based surveys (e.g. OGLE) repeatedly cover a large part of the sky and are detecting new, transient astrophysical sources on daily basis. In this thesis I analyzed the data from Gaia and OGLE transient surveys, with special focus on transients located near the centres of galaxies to detect possible Tidal Disruption Events. These occur when a star gets too close to a Super-Massive Black Hole, which lurks in the centres of most galaxies, and gets disrupted due to the black hole's gravitational tidal forces. The goal of my research was to detect possible Tidal Disruption Events and eliminate false candidates, such as supernovae. The work involved daily inspection of new alerts, identified with Gaia and OGLE Transient Detection System. I searched for potential transients in galactic nuclei and in case there was such a transient detected, follow-up spectroscopic observations were initiated in order to help classify the object. During the course of my work I analyzed spectra obtained with the largest telescopes in the world (SALT, VLT) and performed the spectral template matching, recognition of spectral features related to known classes of transients, determination of redshift etc.
Ključne besede:Flares, transients, Gaia, OGLE, supernovae, tidal disruption events, nuclear transients
Kraj izida:Nova Gorica
Leto izida:2018
PID:20.500.12556/RUNG-4256-7a5ab792-6eb4-bc53-d7d4-cc548f5051a0 Novo okno
COBISS.SI-ID:5382907 Novo okno
NUK URN:URN:SI:UNG:REP:Q7BSMX7I
Datum objave v RUNG:14.05.2019
Število ogledov:3998
Število prenosov:131
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Vaša ocena:Ocenjevanje je dovoljeno samo prijavljenim uporabnikom.
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