Zobrazeno 1 - 10 of 104 pro vyhledávání: '"C. P. O’Dea"'
1
Akademický článek
Optical- and UV-continuum Morphologies of Compact Radio Source Hosts
Autor: C. Duggal, C. P. O’Dea, S. A. Baum, A. Labiano, C. Tadhunter, D. M. Worrall, R. Morganti, G. R. Tremblay, D. Dicken
Publikováno v: The Astrophysical Journal, Vol 965, Iss 1, p 17 (2024)
We present the first systematic search for UV signatures from radio source-driven active galactic nuclei (AGN) feedback in Compact Steep Spectrum (CSS) radio galaxies. Owing to their characteristic sub-galactic jets (1–20 kpc projected linear sizes
Externí odkaz: https://doaj.org/article/6ad401d5f75d434896d8773ed5c773f9
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2
Akademický článek
The Close AGN Reference Survey (CARS): An Interplay between Radio Jets and AGN Radiation in the Radio-quiet AGN HE0040-1105
Autor: M. Singha, N. Winkel, S. Vaddi, M. Perez Torres, M. Gaspari, I. Smirnova-Pinchukova, C. P. O’Dea, F. Combes, Osase Omoruyi, T. Rose, R. McElroy, B. Husemann, T. A. Davis, S. A. Baum, C. Lawlor-Forsyth, J. Neumann, G. R. Tremblay
Publikováno v: The Astrophysical Journal, Vol 959, Iss 2, p 107 (2023)
We present a case study of HE 0040-1105, an unobscured radio-quiet active galactic nucleus (AGN) at a high accretion rate of λ _Edd = 0.19 ± 0.04. This particular AGN hosts an ionized gas outflow with the largest spatial offset from its nucleus com
Externí odkaz: https://doaj.org/article/98aabb1d3fef4cfa81034d8328c2951f
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4
A radio polarimetric study to disentangle AGN activity and star formation in Seyfert galaxies
Autor: Biny Sebastian, Preeti Kharb, C. P. O'Dea, Stefi A. Baum, Jack F. Gallimore
Publikováno v: Monthly Notices of the Royal Astronomical Society. 499:334-354
To understand the origin of radio emission in radio-quiet AGN and differentiate between the contributions from star formation, AGN accretion, and jets, we have observed a nearby sample of Seyfert galaxies along with a comparison sample of starburst g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb05d79f7b851f976c5437986ba6b990
https://doi.org/10.1093/mnras/staa2473
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5
The Close AGN Reference Survey (CARS): Locating the [O III] wing component in luminous local Type 1 AGN
Autor: M. Singha, B. Husemann, T. Urrutia, C. P. O’Dea, J. Scharwächter, M. Gaspari, F. Combes, R. Nevin, B. A. Terrazas, M. Pérez-Torres, T. Rose, T. A. Davis, G. R. Tremblay, J. Neumann, I. Smirnova-Pinchukova, S. A. Baum
Publikováno v: Astronomy & astrophysics, 2022, Vol.659, pp.A123 [Peer Reviewed Journal]
Digital.CSIC. Repositorio Institucional del CSIC
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Context. The strong asymmetry in the optical [O III] λ5007 emission line is one of the best signatures of active galactic nuclei (AGN) driven warm (∼104 K) ionized gas outflows on host galaxy scales. While large spectroscopic surveys such as the s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ceb2e7e707b9820112efa74ad75008d
https://doi.org/10.1051/0004-6361/202040122
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6
The Unanticipated Phenomenology of the Blazar PKS 2131-021: A Unique Supermassive Black Hole Binary Candidate
Autor: S. O’Neill, S. Kiehlmann, A. C. S. Readhead, M. F. Aller, R. D. Blandford, I. Liodakis, M. L. Lister, P. Mróz, C. P. O’Dea, T. J. Pearson, V. Ravi, M. Vallisneri, K. A. Cleary, M. J. Graham, K. J. B. Grainge, M. W. Hodges, T. Hovatta, A. Lähteenmäki, J. W. Lamb, T. J. W. Lazio, W. Max-Moerbeck, V. Pavlidou, T. A. Prince, R. A. Reeves, M. Tornikoski, P. Vergara de la Parra, J. A. Zensus
Publikováno v: O’neill, S, Kiehlmann, S, Readhead, A C S, Aller, M F, Blandford, R D, Liodakis, I, Lister, M L, Mróz, P, O’dea, C P, Pearson, T J, Ravi, V, Vallisneri, M, Cleary, K A, Graham, M J, Grainge, K J B, Hodges, M W, Hovatta, T, Lähteenmäki, A, Lamb, J W, Lazio, T J W, Max-moerbeck, W, Pavlidou, V, Prince, T A, Reeves, R A, Tornikoski, M, Vergara De La Parra, P & Zensus, J A 2022, ' The Unanticipated Phenomenology of the Blazar PKS 2131–021: A Unique Supermassive Black Hole Binary Candidate ', The Astrophysical Journal Letters, vol. 926, no. 2, pp. L35 . https://doi.org/10.3847/2041-8213/ac504b
Most large galaxies host supermassive black holes in their nuclei and are subject to mergers, which can produce a supermassive black hole binary (SMBHB), and hence periodic signatures due to orbital motion. We report unique periodic radio flux densit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f06b94809f0ff07343021fde0825a0d2
https://aaltodoc.aalto.fi/handle/123456789/113797
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7
Origin of the ring structures in Hercules A
Autor: R. Timmerman, R. J. van Weeren, J. R. Callingham, W. D. Cotton, R. Perley, L. K. Morabito, N. A. B. Gizani, A. H. Bridle, C. P. O’Dea, S. A. Baum, G. R. Tremblay, P. Kharb, N. E. Kassim, H. J. A. Röttgering, A. Botteon, F. Sweijen, C. Tasse, M. Brüggen, J. Moldon, T. Shimwell, G. Brunetti
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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Astronomy & astrophysics, 2022, Vol.658, pp.A5 [Peer Reviewed Journal]
Astronomy & Astrophysics, 658:A5
This is an Open Access article, published by EDP Sciences, under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provid
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c17e2a28b0d24ab7ce46f014d69e09b
https://hdl.handle.net/1887/3515630
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8
The host galaxy of the recoiling black hole candidate in 3C 186: an old major merger remnant at the center of a z = 1 cluster
Autor: T. Morishita, M. Chiaberge, B. Hilbert, E. Lambrides, L. Blecha, S. Baum, S. Bianchi, A. Capetti, G. Castignani, F. D. Macchetto, G. K. Miley, C. P. O’Dea, C. A. Norman
Publikováno v: The Astrophysical Journal, 931(2):165
3C186, a radio-loud quasar at $z=1.0685$, was previously reported to have both velocity and spatial offsets from its host galaxy, and has been considered as a promising candidate for a gravitational wave recoiling black hole triggered by a black hole
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e49422430bc7344614cacb6b18f33bd
http://hdl.handle.net/1887/3561822
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9
The Close AGN Reference Survey (CARS): Tracing the circumnuclear star formation in the super-Eddington NLS1 Mrk 1044
Autor: N. Winkel, B. Husemann, T. A. Davis, I. Smirnova-Pinchukova, V. N. Bennert, F. Combes, M. Gaspari, K. Jahnke, J. Neumann, C. P. O’Dea, M. Pérez-Torres, M. Singha, G. R. Tremblay, H. W. Rix
Publikováno v: Zaguán. Repositorio Digital de la Universidad de Zaragoza
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This is an Open Access article, published by EDP Sciences, under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provid
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eab6959c1ba77f734033932b87f32cb2
http://zaguan.unizar.es/record/118962
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10
The Close AGN Reference Survey (CARS)
Autor: N. Winkel, B. Husemann, M. Singha, V. N. Bennert, F. Combes, T. A. Davis, M. Gaspari, K. Jahnke, R. McElroy, C. P. O’Dea, M. A. Pérez-Torres
Publikováno v: Astronomy & Astrophysics. 670:A3
The interaction between Active Galactic Nuclei (AGN) and their host galaxies is scarcely resolved. Narrow-line Seyfert 1 (NLS1) galaxies are believed to represent AGN at early stages of their evolution and allow to observe AGN feeding and feedback pr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa9ec94be1fc5cb6dda9f6d92f4ca69b
https://doi.org/10.1051/0004-6361/202244630
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