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The MASIV Survey - IV. Relationship between intra-day scintillation and intrinsic variability of radio AGNs

Koay, J.Y.; Macquart, J. P; Jauncey, David; Pursimo, T; Giroletti, M; Bignall, Hayley E; Lovell, J; Rickett, B. J.; Kedziora-Chudczer, Lucyna L.; Ojha, R; Reynolds, Cormac

Description

We investigate the relationship between 5 GHz interstellar scintillation (ISS) and 15 GHz intrinsic variability of compact, radio-selected active galactic nuclei (AGNs) drawn from the Microarcsecond Scintillation-Induced Variability (MASIV) Survey and the Owens Valley Radio Observatory blazar monitoring program. We discover that the strongest scintillators at 5 GHz (modulation index, m5 ≥ 0.02) all exhibit strong 15 GHz intrinsic variability (m15 ≥ 0.1). This relationship can be attributed...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
URI: http://hdl.handle.net/1885/255304
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stx3076
Access Rights: Open Access

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