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Interstellar Scintillation, ISS, and Intrinsic Variability of Radio AGN
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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7
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Advances in Space Research, Volume 65, issue 2, pp. 756-762
Abstract
We investigate the relationship between the 5 GHz interstellar scintillation (ISS) and the 15 GHz intrinsic variability of the compact, radio-selected active galactic nuclei (AGN) common to the Microarcsecond Scintillation-Induced Variability (MASIV) Survey and the Owens Valley Radio Observatory blazar flux density monitoring program. As part of this investigation, we also re-examine the reported intrinsic nature of the February 1990 VLA observations of the blazar S5 0716+714. We are also examining the presence of IDV/ISS in the Owens Valley 15 GHz flux density monitoring data. We find a significant relationship between the Owens Valley 15 GHz modulation index and the MASIV modulation index. We also discuss the implications of these findings for RadioAstron.
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Jauncey, D L, Koay, J Y, Bignall, H, Macquart, J-P, Pursimo, T, Giroletti, M, Hovatta, T, Kiehlmann, S, Rickett, B, Readhead, A, Max-Moerbeck, W, Vedantham, H, Reynolds, C, Lovell, J, Ojha, R & Kedziora-Chudczer, L 2020, 'Interstellar Scintillation, ISS, and Intrinsic Variability of Radio AGN', Advances in Space Research, vol. 65, no. 2, pp. 756-762. https://doi.org/10.1016/j.asr.2019.05.003