The Unified Era: An understanding journey from observations to the Unified Model of Active Galactic Nuclei
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arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866914958246150144 |
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| author | Santos, Leonardo de Lima Soltau, Samuel Bueno |
| author_facet | Santos, Leonardo de Lima Soltau, Samuel Bueno |
| contents | The Unified Model of Active Galactic Nuclei (UMAGN) is a comprehensive theoretical framework aimed at elucidating the diverse observations of AGN, encompassing quasars and Seyfert galaxies. The Model attributes the observed variations to different orientations of a surrounding matter disk around a supermassive black hole (SMBH), with the primary factor influencing observational diversity being the alignment of the AGN with the observer's line of sight. We present a comprehensive overview of the observational evidence, empirical and theoretical research, tracing key milestones that led to a unified perspective. We encapsulate the scientific journey culminating in the proposal of the UMAGN, including insights into the accretion disk, torus, and relativistic jet, and emphasize the properties of objects within UMAGN. Additionally, we underscore recent progress in multimessenger research involving electromagnetic waves, gravitational waves, astroparticles, and neutrinos, notably through collaborations such as the Event Horizon Telescope, LIGO/Virgo, IceCube, Pierre Auger, and KM3Net. We argue that these advancements present opportunities to enhance and refine UMAGN, contributing to a deeper understanding of AGNs and their implications for the formation and evolution of galaxies. The convergence of observational and theoretical research, coupled with emerging multimessenger techniques, paves the way for further strides in comprehending these enigmatic cosmic phenomena. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_17739 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The Unified Era: An understanding journey from observations to the Unified Model of Active Galactic Nuclei Santos, Leonardo de Lima Soltau, Samuel Bueno Astrophysics of Galaxies High Energy Astrophysical Phenomena The Unified Model of Active Galactic Nuclei (UMAGN) is a comprehensive theoretical framework aimed at elucidating the diverse observations of AGN, encompassing quasars and Seyfert galaxies. The Model attributes the observed variations to different orientations of a surrounding matter disk around a supermassive black hole (SMBH), with the primary factor influencing observational diversity being the alignment of the AGN with the observer's line of sight. We present a comprehensive overview of the observational evidence, empirical and theoretical research, tracing key milestones that led to a unified perspective. We encapsulate the scientific journey culminating in the proposal of the UMAGN, including insights into the accretion disk, torus, and relativistic jet, and emphasize the properties of objects within UMAGN. Additionally, we underscore recent progress in multimessenger research involving electromagnetic waves, gravitational waves, astroparticles, and neutrinos, notably through collaborations such as the Event Horizon Telescope, LIGO/Virgo, IceCube, Pierre Auger, and KM3Net. We argue that these advancements present opportunities to enhance and refine UMAGN, contributing to a deeper understanding of AGNs and their implications for the formation and evolution of galaxies. The convergence of observational and theoretical research, coupled with emerging multimessenger techniques, paves the way for further strides in comprehending these enigmatic cosmic phenomena. |
| title | The Unified Era: An understanding journey from observations to the Unified Model of Active Galactic Nuclei |
| topic | Astrophysics of Galaxies High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2403.17739 |