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Jonny Pierce

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Dr Jonny Pierce

Postdoctoral Research Fellow

 https://orcid.org/0000-0002-8250-9083
20222026

Research activity per year

Personal profile

Research interests

I am an astrophysicist working in the Centre for Astrophysics Research (CAR) at the University of Hertfordshire. My main research interests are related to active galactic nuclei (AGN) - very bright regions at the centre of some galaxies that are thought to be associated with the supermassive black holes that live there. My current focus is on the properties of AGN that are detected at radio wavelengths, and I am involved in the LOFAR radio astronomy collabration and the Radio Galaxy Zoo: LOFAR project. I was awarded my PhD at The University of Sheffield in 2021 for investigating the properties of a particular type of these active radio galaxies (thesis title: "The optical morphologies and radio properties of HERGs with intermediate radio powers"), where I also obtained my Masters degree in Physics and Astronomy. I am also interested in the importance of galaxy interactions and collisions for triggering AGN.

Education/Academic qualification

Astronomy, PhD, The optical morphologies and radio properties of HERGs with intermediate radio powers, HEI: University of Sheffield

Jan 2017 → Dec 2020

Award Date: 13 Jul 2021

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  • A population-based approach to understanding radio AGN feedback with LOFAR: The LoTSS Deep Fields

    Pierce, J. C. S., Sweijen, F., Hardcastle, M. J., Morabito, L. K., Röttgering, H. J. A. & Baldi, R. D., 30 Jun 2026, In: Monthly Notices of the Royal Astronomical Society (MNRAS). 548, 4, 14 p.

    Research output: Contribution to journal › Article › peer-review

    Open Access
    File
    8 Downloads (Pure)

  • The dependence of triggering mechanisms on radio AGN subtypes: the role of galaxy mergers

    Barwell, F., Tadhunter, C. N., Pierce, J. C. S., Watkins, A. E., Gordon, Y., Holden, L. R., Makrygianni, L., Mason, D. T., Singleton, A. J., Houghton, R. J., McLaughlin, S. A. J., Ramos Almeida, C. & Román, J., 30 Apr 2026, In: Monthly Notices of the Royal Astronomical Society. 547, 3, 23 p.

    Research output: Contribution to journal › Article › peer-review

    Open Access
    File
    1 Downloads (Pure)

  • The LOFAR Two-metre Sky Survey: VII. Third Data Release

    Shimwell, T. W., Hardcastle, M. J., Tasse, C., Drabent, A., Botteon, A., Williams, W. L., Best, P. N., Röttgering, H. J. A., Brüggen, M., Brunetti, G., Callingham, J. R., Chyży, K. T., Conway, J. E., Gasperin, F. D., Haverkorn, M., Horellou, C., Jackson, N., Miley, G. K., Morabito, L. K. & Morganti, R. & 82 others, O'Sullivan, S. P., Schwarz, D. J., Smith, D. J. B., van Weeren, R. J., Vedantham, H. K., White, G. J., Ahmadi, A., Alegre, L., Arias, M., Asabere, B., Bahr-Kalus, B., Barkus, B., Bilicki, M., Böhme, L., Brentjens, M., Brienza, M., Bomans, D. J., Bonafede, A., Bonato, M., Bonnassieux, E., Boxelaar, J. M., Camera, S., Cassano, R., Chilufya, J., Cianfaglione, M., Croston, J. H., Cuciti, V., Dabhade, P., Rubeis, E. D., de Jong, J. M. G. H. J., Dallacasa, D., Dettmar, R. J., Duncan, K. J., Gennaro, G. D., Edler, H. W., Groeneveld, C., Gürkan, G., Hajduk, M., Hale, C. L., Heesen, V., Hoang, D. N., Hoeft, M., Holties, H., Horton, M. A., Iacobelli, M., Jamrozy, M., Jarvis, M. J., Jelic, V., Kadler, M., Kondapally, R., Kunert-Bajraszewska, M., Loose, M., Magliocchetti, M., Małek, K., Manzano, C., McKean, J. P., Mevius, M., Mingo, B., Miskolczi, A., Misra, A., Moldón, J., Nair, D. G., Nakoneczny, S. J., Orru, E., Pashapour-Ahmadabadi, M., Pasini, T., Petley, J., Pierce, J. C. S., Prandoni, I., Rafferty, D., Rajpurohit, K., Riseley, C. J., Roberts, I. D., Sethi, S., Shulevski, A., Stein, M., Stuardi, C., Sweijen, F., Veen, S. T., Timmerman, R., Vaccari, M. & Wijnholds, S., 31 Mar 2026, In: Astronomy & Astrophysics. 707, 22 p., A198.

    Research output: Contribution to journal › Article › peer-review

    Open Access
    File
    9 Citations (Scopus)
    1 Downloads (Pure)

  • Unified models revisited I: modelling the effect of source geometry on radio galaxy/quasar unification

    Pinjarkar, S., Hardcastle, M. J., Pierce, J. C. S. & Sweijen, F., 31 Dec 2025, In: Monthly Notices of the Royal Astronomical Society. 544, 3, p. 2665-2674 10 p.

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • The low-frequency size distribution of radio sources in the Lockman Hole

    Sweijen, F., Pierce, J. C. S., Hardcastle, M. J., Croston, J. H., Morabito, L. K., Bondi, M., Callingham, J. R., Jurlin, N., Prandoni, I., Rottgering, H. J. A. & van Weeren, R. J., 30 Jun 2025, In: Monthly Notices of the Royal Astronomical Society. 540, 1, p. 416-432 17 p., staf630.

    Research output: Contribution to journal › Article › peer-review

    Open Access
    File
    2 Citations (Scopus)
    21 Downloads (Pure)
View all 11 research outputs