Radio core-dominance of Fermi-blazars: implication for blazar unification

EU Iyida, FC Odo, AE Chukwude - Astrophysics and Space Science, 2021 - Springer
In this paper, we use the distributions of two-component radio emissions to investigate the
consequences of relativistic beaming on the unified scheme of blazar populations and radio …

Unified model of blazars and radio galaxies: synthesizing observational data with relativistic beaming theory

EU Iyida, CI Onah, IO Eya, FC Odo - Astrophysics and Space Science, 2024 - Springer
The unified model of jetted active galactic nuclei (AGNs) based on intrinsic properties
presumes that the blazar subtypes of BL Lacertae objects (BLs) and flat-spectrum radio …

Relativistic beaming effects in BL Lacertae objects: Evidence for RBL/XBL dichotomy

FC Odo, AE Chukwude, AA Ubachukwu - Astrophysics and Space Science, 2017 - Springer
In this paper, we review the predictions of the popular relativistic beaming model for the
unification of radio-and X-ray selected BL Lac (RBL and XBL) populations. Using results of …

On the Extended Blazar Sequence for γ-Ray Emitting Active Galactic Nuclei

AI Audu, FC Odo, AA Ubachukwu - Astrophysics, 2025 - Springer
In this paper, we use the distributions of observed-ray properties, as well as orientation
parameters of a sample of Fermi-LAT AGNs to investigate the hypothesis that-NLS1 objects …

On the Unified Scheme of γ-Ray Emitting Jetted Active Galactic Nuclei

AI Audu, FC Odo, EU Iyida, O Okike, AA Ubachukwu - Astrophysics, 2023 - Springer
The discovery of γ-ray emitting Seyfert galaxies has opened a new unified scheme of active
galactic nuclei (AGN) in which jetted Seyfert galaxies are viewed as young counterparts of …

[PDF][PDF] Seyfert Galaxies in the Revised Unification Scheme of Extragalactic Radio Sources

AI Audu, FC Odo, AA Ubachukwu - Publication of the …, 2021 - astrosocietyng.org
The discovery of γ-ray emitting Seyfert galaxies has opened a new unified scheme of
extragalactic radio sources in which Seyfert galaxies are viewed as young jetted …

On the unified scheme for high-excitation galaxies and quasars in 3CRR sample

FC Odo, PE Okobi, JA Alhassan… - Journal of Astrophysics …, 2019 - Springer
In this paper, we use the distributions of luminosity (P) and radio size (D) to re-examine the
consistency of the unified scheme of high-excitation radio galaxies and quasars in the …