Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Whittam, Imogen H"'
Autor:
Wang, Lingyu, La Marca, Antonio, Gao, Fangyou, Pearson, William J., Margalef-Bentabol, Berta, Béthermin, Matthieu, Bing, Longji, Donnellan, James, Hurley, Peter D., Oliver, Seb J., Hale, Catherine L., Jarvis, Matt J., Marchetti, Lucia, Vaccari, Mattia, Whittam, Imogen H.
Publikováno v:
A&A 688, A20 (2024)
Single-dish far-infrared (far-IR) and sub-millimetre (sub-mm) point source catalogues and their connections with catalogues at other wavelengths are of paramount importance. However, due to the large mismatch in spatial resolution, cross-matching gal
Externí odkaz:
http://arxiv.org/abs/2405.18290
Autor:
Deane, Roger P., Radcliffe, Jack F., Njeri, Ann, Akoto-Danso, Alexander, Bernardi, Gianni, Smirnov, Oleg M., Beswick, Rob, Garrett, Michael A., Jarvis, Matt J., Whittam, Imogen H., Bourke, Stephen, Paragi, Zsolt
The past decade has seen significant advances in wide-field cm-wave very long baseline interferometry (VLBI), which is timely given the wide-area, synoptic survey-driven strategy of major facilities across the electromagnetic spectrum. While wide-fie
Externí odkaz:
http://arxiv.org/abs/2401.12298
Autor:
Pinjarkar, Siddhant, Hardcastle, Martin J., Harwood, Jeremy J., Lal, Dharam V., Hatfield, Peter W., Jarvis, Matt J., Randriamanakoto, Zara, Whittam, Imogen H.
Jets of energetic particles, as seen in FR type-I and FR type-II sources, ejected from the center of Radio-Loud AGN affect the sources surrounding intracluster medium/intergalactic medium. Placing constraints on the age of such sources is important i
Externí odkaz:
http://arxiv.org/abs/2305.07561
Autor:
Thorne, Jessica E., Robotham, Aaron S. G., Davies, Luke J. M., Bellstedt, Sabine, Brown, Michael J. I., Croom, Scott M., Delvecchio, Ivan, Groves, Brent, Jarvis, Matt J., Shabala, Stanislav S., Seymour, Nick, Whittam, Imogen H., Bravo, Matias, Cook, Robin H. W., Driver, Simon P., Holwerda, Benne, Phillipps, Steven, Siudek, Malgorzata
Active galactic nuclei (AGN) are typically identified through radio, mid-infrared, or X-ray emission or through the presence of broad and/or narrow emission lines. AGN can also leave an imprint on a galaxy's spectral energy distribution (SED) through
Externí odkaz:
http://arxiv.org/abs/2112.06366
Autor:
Whittam, Imogen H.
Publikováno v:
Proc. IAU 14 (2018) 86-89
The properties of $\sim 1000$ high-excitation and low-excitation radio galaxies (HERGs and LERGs) selected from the Heywood et al. (2016) $1 - 2$ GHz VLA survey of Stripe 82 are investigated. The HERGs in this sample are generally found in host galax
Externí odkaz:
http://arxiv.org/abs/1810.06899
A sample of 1161 radio galaxies with $0.01 < z < 0.7$ and $10^{21} < L_{1.4~\rm GHz} / \textrm{W Hz}^{-1} < 10^{27}$ is selected from the Stripe 82 1-2 GHz Karl G. Jansky Very Large Array Snapshot Survey, which covers 100 square degrees and has a 1$\
Externí odkaz:
http://arxiv.org/abs/1806.10143
Empirical simulations based on extrapolations from well-established low-frequency ($< 5$ GHz) surveys fail to accurately model the faint, high frequency ($>10$~GHz) source population; they under-predict the number of observed sources by a factor of t
Externí odkaz:
http://arxiv.org/abs/1706.06337
Akademický článek
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A complete sample of 96 faint ($S > 0.5$ mJy) radio galaxies is selected from the Tenth Cambridge (10C) survey at 15.7~GHz. Optical spectra are used to classify 17 of the sources as high-excitation or low-excitation radio galaxies (HERGs and LERGs re
Externí odkaz:
http://arxiv.org/abs/1607.03709
We discuss our current understanding of the nature of the faint, high-frequency radio sky. The Tenth Cambridge (10C) survey at 15.7 GHz is the deepest high-frequency radio survey to date, covering 12 square degrees to a completeness limit of 0.5 mJy,
Externí odkaz:
http://arxiv.org/abs/1602.09121