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Identifier 000459428
Title Search for AGN jet alignments in the Very Large Array Sky Survey data
Alternative Title Αναζήτηση για ευθυγραμμίσεις ενεργών γαλαξιακών πυρήνων στα δεδομένα του Very Large Array Sky Survey
Author Ορφανός, Ιωάννης Τ.
Thesis advisor Casadio, Carolina
Blinov, Dmitriy
Reviewer Παυλίδου, Βασιλική
Ζέζας, Ανδρέας
Abstract Numerous studies have reported that the polarization plane in the emission of Active Galactic Nuclei and the major axes of extragalactic radio sources align in large regions of the sky. However, such alignments remain elusive, and justifying their existence within the framework of modern cosmology is challenging. In this study, we present the largest sample of kiloparsec-scale AGN jets to date, derived from publicly available Very Large Array Sky Survey data. We utilize these data to investigate the presence of significant alignments in the northern sky regions, where parsec-scale quasar radio jets have been found to exhibit high statistical alignments. Additionally, we analyze this dataset to search for other potential regions with significant jet alignments.
Language English
Subject Active galactic nuclei
Cosmology
Radioastronomy
Ενεργοί γαλαξιακοί πυρήνες
Κοσμολογία
Ραδιοαστρονομία
Issue date 2023-11-22
Collection   School/Department--School of Sciences and Engineering--Department of Physics--Post-graduate theses
  Type of Work--Post-graduate theses
Permanent Link https://elocus.lib.uoc.gr//dlib/b/4/b/metadata-dlib-1697271862-824504-3907.tkl Bookmark and Share
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