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Anton Pannekoek Institute for Astronomy Anton Pannekoek Institute for Astronomy

Dr J. (Joanna) Holt

Faculty of Science
Anton Pannekoek Institute for Astronomy
Visiting address
  • Science Park 904
Postal address
  • Postbus 94249
    1090 GE Amsterdam
Contact details
  • Publications

    2025

    • Holt, J., Bredeweg, B., van Eijck, T. J. W., Kruit, P. M., Pijls, M. H. J., Bouwer, A. J., Hotze, A., Louman, E., Ouchchahd, A., & Bouisaghouane, I. (2025). Minds-On: Supporting the Learning of Science Concepts and Reasoning Skills. In Two Decades of TEL. From Lessons Learnt to Challenges Ahead (pp. 325-331). Springer Nature. https://link.springer.com/book/10.1007/978-3-032-03873-9

    2024

    • Bouisaghouane, I., Holt, J., Bredeweg, B., & Russo, P. (2024). The Dutch Black Hole Consortium: How can modern science support concept learning in primary education to motivate and engage learners from all backgrounds? Astronomy Education Journal, 2024(special issue). https://doi.org/10.32374/aej.aecon.2023.114aepp
    • Holt, J., Hanse, J., Vaendel, D., Bredeweg, B., Kragten, M., Bloemen, S., Baan, M., & Groot, P. (2024). Stargazing Live!: Inspiring with semi-live astronomy data; teaching curriculum topics using smart education tools. Astronomy Education Journal, 2024(special issue). https://doi.org/10.32374/aej.aecon.2023.113aepw
    • Namene, Q., Honsbein, H., Backes, M., Duvenhage, Z., Matthaei, H.-W., Frans, L., Macucule, F., Shilunga, S., Schut, A., Klein Wolt, M., Pierik, M., Holt, J., Katjaita, H., Iiyambo, E., Simasiku, N., Nakafingo, V., Kasai, E., Falcke, H., Markoff, S., ... Chibueze, J. (2024). Bridging the gap in black hole imaging: the Africa Millimetre Telescope (AMT). In IAU General Assembly (pp. 2753)
    • van Eijck, T. J. W., Bredeweg, B., Holt, J., Pijls, M. H. J., Bouwer, A. J., Hotze, A., Louman, E., Ouchchahd, A., & Sprinkhuizen, M. J. (2024). Combining hands-on and minds-on learning with interactive diagrams in primary science education. International Journal of Science Education. Advance online publication. https://doi.org/10.1080/09500693.2024.2387225

    2023

    • Bredeweg, B., Kragten, M., Holt, J., Kruit, P., van Eijck, T., Pijls, M., Bouwer, A., Sprinkhuizen, M., Jaspar, E., & de Boer, M. (2023). Learning with Interactive Knowledge Representations. Applied Sciences (Switzerland), 13(9), Article 5256. https://doi.org/10.3390/app13095256 [details]
    • Bredeweg, B., Kragten, M., Holt, J., Vaendel, D., Hanse, J., & Bloemen, S. (2023). Qualitative models to learn about star properties, star states, and the balance between fusion and gravity. In B. Bredeweg, & J. de Kleer (Eds.), Proceedings of the QR 2023 : 36th International Workshop on Qualitative Reasoning: co-located with the European Conference on Artificial Intyelligence (ECAI) : Krakow, Poland - October 1st, 2023 (pp. 9-16)
    • Bredeweg, B., Kragten, M., Holt, J., Vaendel, D., Hanse, J., & Bloemen, S. (2023). Stargazing Live! Inspiring with Real Data in a Mobile Planetarium and Learning Through Conceptual Modelling. In C. Frasson, P. Mylonas, & C. Troussas (Eds.), Augmented Intelligence and Intelligent Tutoring Systems: 19th International Conference, ITS 2023 Corfu, Greece, June 2-5, 2023 Proceedings (pp. 257-269). (Lecture Notes in Computer Science; Vol. 13891). Springer. https://doi.org/10.1007/978-3-031-32883-1_22 [details]
    • Holt, J., Hanse, J., & Baan, M. (2023). The NOVA Mobile Planetarium: Ten best practices for planetarium projects based on an astronomy education success story. Communicating Astronomy with the Public Journal, (33), 35-42. [details]

    2020

    2018

    • Santoro, F., Rose, M., Morganti, R., Tadhunter, C., Oosterloo, T. A., & Holt, J. (2018). Probing multi-phase outflows and AGN feedback in compact radio galaxies: the case of PKS B1934-63. Astronomy and Astrophysics, 617, Article A139. https://doi.org/10.1051/0004-6361/201833248

    2015

    • Emonts, B. H. C., Mao, M. Y., Stroe, A., Pentericci, L., Villar-Martín, M., Norris, R. P., Miley, G., De Breuck, C., Van Moorsel, G. A., Lehnert, M. D., Carilli, C. L., Röttgering, H. J. A., Seymour, N., Sadler, E. M., Ekers, R. D., Drouart, G., Feain, I., Colina, L., Stevens, J., & Holt, J. (2015). A CO-rich merger shaping a powerful and hyperluminous infrared radio galaxy at z = 2: The Dragonfly Galaxy. Monthly Notices of the Royal Astronomical Society, 451(1), 1025-1035. https://doi.org/10.1093/mnras/stv930

    2014

    • Bruni, G., González-Serrano, J. I., Pedani, M., Benn, C. R., MacK, K. H., Holt, J., Montenegro-Montes, F. M., & Jiménez-Luján, F. (2014). Investigating the radio-loud phase of broad absorption line quasars. Astronomy and Astrophysics, 569, Article A87. https://doi.org/10.1051/0004-6361/201424424
    • Dicken, D., Tadhunter, C., Morganti, R., Robinson, A., Magagnoli, M., Kharb, P., Ramos Almeida, C., Mingo, B., Hardcastle, M., Nesvadba, N. P. H., Singh, V., Kouwenhoven, M. B. N., Rose, M., Spoon, H., Inskip, K. J., & Holt, J. (2014). Spitzer MID-IR spectroscopy of powerful 2Jy and 3CRR radio galaxies. II. Agn power indicators and unification. Astrophysical Journal, 788(2), Article 98. https://doi.org/10.1088/0004-637X/788/2/98

    2013

    • Bruni, G., Dallacasa, D., Mack, K. H., Montenegro-Montes, F. M., González-Serrano, J. I., Holt, J., & Jiménez-Luján, F. (2013). The parsec-scale structure of radio-loud broad absorption line quasars â. Astronomy and Astrophysics, 554, Article A94. https://doi.org/10.1051/0004-6361/201321341
    • Ramos Almeida, C., Bessiere, P. S., Tadhunter, C. N., Inskip, K. J., Morganti, R., Dicken, D., González-Serrano, J. I., & Holt, J. (2013). The environments of luminous radio galaxies and type-2 quasars. Monthly Notices of the Royal Astronomical Society, 436(2), 997-1016. https://doi.org/10.1093/mnras/stt1595
    • Rodríguez Zaurín, J., Tadhunter, C. N., Rose, M., & Holt, J. (2013). The importance of warm, AGN-driven outflows in the nuclear regions of nearby ULIRGs. Monthly Notices of the Royal Astronomical Society, 432(1), 138-166. https://doi.org/10.1093/mnras/stt423
    • Rose, M., Tadhunter, C. N., Holt, J., & Rodríguez Zaurín, J. (2013). On the nature of the red, 2MASS-selected AGN in the local Universe I: An optical spectroscopic study. Monthly Notices of the Royal Astronomical Society, 432(3), 2150-2176. https://doi.org/10.1093/mnras/stt564

    2012

    • Bowler, R. A. A., Dunlop, J. S., McLure, R. J., McCracken, H. J., Milvang-Jensen, B., Furusawa, H., Fynbo, J. P. U., Le Fèvre, O., Holt, J., Ideue, Y., Ihara, Y., Rogers, A. B., & Taniguchi, Y. (2012). Discovery of bright z ≃ 7 galaxies in the UltraVISTA survey. Monthly Notices of the Royal Astronomical Society, 426(4), 2772-2788. https://doi.org/10.1111/j.1365-2966.2012.21904.x
    • Bruni, G., MacK, K. H., Dallacasa, D., Montenegro-Montes, F. M., Benn, C. R., Carballo, R., González-Serrano, J. I., Holt, J., & Jiménez-Luján, F. (2012). The central structure of Broad Absorption Line QSOs: Observational characteristics in the cm-mm wavelength domain. Journal of Physics: Conference Series, 372, Article 012031. https://doi.org/10.1088/1742-6596/372/1/012031
    • Bruni, G., Mack, K. H., Salerno, E., Montenegro-Montes, F. M., Carballo, R., Benn, C. R., González-Serrano, J. I., Holt, J., & Jiménez-Luján, F. (2012). Radio spectra and polarisation properties of a bright sample of radio-loud broad absorption line quasars. Astronomy and Astrophysics, 542, Article A13. https://doi.org/10.1051/0004-6361/201219056
    • Dicken, D., Tadhunter, C., Axon, D., Morganti, R., Robinson, A., Kouwenhoven, M. B. N., Spoon, H., Kharb, P., Inskip, K. J., Holt, J., Ramos Almeida, C., & Nesvadba, N. P. H. (2012). Spitzer mid-IR spectroscopy of powerful 2Jy and 3CRR radio galaxies. I. Evidence against a strong starburst-AGN connection in radio-loud AGN. Astrophysical Journal, 745(2), Article 172. https://doi.org/10.1088/0004-637X/745/2/172
    • McCracken, H. J., Milvang-Jensen, B., Dunlop, J., Franx, M., Fynbo, J. P. U., Le Fèvre, O., Holt, J., Caputi, K. I., Goranova, Y., Buitrago, F., Emerson, J. P., Freudling, W., Hudelot, P., López-Sanjuan, C., Magnard, F., Mellier, Y., Møller, P., Nilsson, K. K., Sutherland, W., ... Zabl, J. (2012). UltraVISTA: A new ultra-deep near-infrared survey in COSMOS. Astronomy and Astrophysics, 544, Article A156. https://doi.org/10.1051/0004-6361/201219507
    • Muzzin, A., Labbé, I., Franx, M., Van Dokkum, P., Holt, J., Szomoru, D., Van De Sande, J., Brammer, G., Marchesini, D., Stefanon, M., Buitrago, F., Caputi, K. I., Dunlop, J., Fynbo, J. P. U., Le Févre, O., McCracken, H. J., & Milvang-Jensen, B. (2012). A strongly lensed massive ultracompact quiescent galaxy at z ∼ 2.4 in the COSMOS/UltraVISTA field. Astrophysical Journal, 761(2), Article 142. https://doi.org/10.1088/0004-637X/761/2/142
    • Ramos Almeida, C., Bessiere, P. S., Tadhunter, C. N., Pérez-González, P. G., Barro, G., Inskip, K. J., Morganti, R., Holt, J., & Dicken, D. (2012). Are luminous radio-loud active galactic nuclei triggered by galaxy interactions? Monthly Notices of the Royal Astronomical Society, 419(1), 687-705. https://doi.org/10.1111/j.1365-2966.2011.19731.x
    • Siemiginowska, A., Stawarz, Ł., Cheung, C. C., Aldcroft, T. L., Bechtold, J., Burke, D. J., Evans, D., Holt, J., Jamrozy, M., & Migliori, G. (2012). Deep Chandra X-ray imaging of a nearby radio galaxy 4C+29.30: X-ray/radio connection. Astrophysical Journal, 750(2), Article 124. https://doi.org/10.1088/0004-637X/750/2/124
    • Tadhunter, C. N., Almeida, C. R., Morganti, R., Holt, J., Rose, M., Dicken, D., & Inskip, K. (2012). PKS 0347+05: A radio-loud/radio-quiet double active galactic nucleus system triggered in a major galaxy merger. Monthly Notices of the Royal Astronomical Society, 427(2), 1603-1613. https://doi.org/10.1111/j.1365-2966.2012.22058.x

    2011

    • Almeida, C. R., Tadhunter, C. N., Inskip, K. J., Morganti, R., Holt, J., & Dicken, D. (2011). The optical morphologies of the 2 Jy sample of radio galaxies: Evidence for galaxy interactions. Monthly Notices of the Royal Astronomical Society, 410(3), 1550-1576. https://doi.org/10.1111/j.1365-2966.2010.17542.x
    • Holt, J., Tadhunter, C. N., Morganti, R., & Emonts, B. H. C. (2011). The impact of the warm outflow in the young (GPS) radio source and ULIRG PKS 1345+12 (4C 12.50). Monthly Notices of the Royal Astronomical Society, 410(3), 1527-1536. https://doi.org/10.1111/j.1365-2966.2010.17535.x
    • Morganti, R., Holt, J., Tadhunter, C., Ramos Almeida, C., Dicken, D., Inskip, K., Oosterloo, T., & Tzioumis, T. (2011). PKS 1814-637: A powerful radio-loud AGN in a disk galaxy. Astronomy and Astrophysics, 535, Article A97. https://doi.org/10.1051/0004-6361/201117686
    • Rose, M., Tadhunter, C. N., Holt, J., Ramos Almeida, C., & Littlefair, S. P. (2011). The forbidden high-ionization-line region of the type 2 quasar SDSS J11311.05+162739.5: A clear view of the inner face of the torus? Monthly Notices of the Royal Astronomical Society, 414(4), 3360-3380. https://doi.org/10.1111/j.1365-2966.2011.18639.x
    • Tadhunter, C., Holt, J., Delgado, R. G., Rodríguez Zaurín, J., Villar-Martín, M., Morganti, R., Emonts, B., Almeida, C. R., & Inskip, K. (2011). Starburst radio galaxies: General properties, evolutionary histories and triggering. Monthly Notices of the Royal Astronomical Society, 412(2), 960-978. https://doi.org/10.1111/j.1365-2966.2010.17958.x

    2010

    • Bruni, G., Mack, K. H., Dallacasa, D., Montenegro Montes, F. M., Benn, C. R., Carballo, R., González-Serrano, J. I., Holt, J., & Jiménez-Luján, F. (2010). Morphology and orientation of radio-loud Broad Absorption Line quasars. In Procedings of Science (Vol. 125). (Proceedings of Science).
    • Emonts, B. H. C., Morganti, R., Struve, C., Oosterloo, T. A., van Moorsel, G., Tadhunter, C. N., van der Hulst, J. M., Brogt, E., Holt, J., & Mirabal, N. (2010). Large-scale H i in nearby radio galaxies - II. The nature of classical low-power radio sources. Monthly Notices of the Royal Astronomical Society, 406(2), 987-1006. https://doi.org/10.1111/j.1365-2966.2010.16706.x
    • Inskip, K. J., Tadhunter, C. N., Morganti, R., Holt, J., Ramos Almeida, C., & Dicken, D. (2010). A near-IR study of the host galaxies of 2 Jy radio sources at 0.03 ≲ z ≲ 0.5 - I. The data. Monthly Notices of the Royal Astronomical Society, 407(3), 1739-1766. https://doi.org/10.1111/j.1365-2966.2010.17002.x

    2009

    • Dicken, D., Tadhunter, C., Axon, D., Morganti, R., Inskip, K. J., Holt, J., Delgado, R. G., & Groves, B. (2009). The origin of the infrared emission in radio galaxies. II. Analysis of mid- to far-infrared Spitzer observations of the 2JY sample. Astrophysical Journal, 694(1), 268-285. https://doi.org/10.1088/0004-637X/694/1/268
    • Emonts, B. H. C., Tadhunter, C. N., Morganti, R., Oosterloo, T. A., Holt, J., Brogt, E., & Van Moorsel, G. (2009). The disc-dominated host galaxy of FR-I radio source B2 0722+30. Monthly Notices of the Royal Astronomical Society, 396(3), 1522-1536. https://doi.org/10.1111/j.1365-2966.2009.14807.x
    • Holt, J. (2009). The host galaxies of compact steep spectrum and gigahertz-peaked spectrum radio sources. Astronomische Nachrichten, 330(2-3), 226-232. https://doi.org/10.1002/asna.200811163
    • Holt, J., Tadhunter, C. N., & Morganti, R. (2009). The ionization of the emission-line gas in young radio galaxies. Monthly Notices of the Royal Astronomical Society, 400(2), 589-602. https://doi.org/10.1111/j.1365-2966.2009.15491.x
    • Montenegro-Montes, F. M., Mack, K. H., Benn, C. R., Carballo, R., González-Serrano, J. I., Holt, J., & Jiménez-Luján, F. (2009). Are radio-loud broad absorption line quasars young sources? Astronomische Nachrichten, 330(2-3), 157-160. https://doi.org/10.1002/asna.200811145
    • Morganti, R., Emonts, B., Holt, J., Tadhunter, C., Oosterloo, T., & Struve, C. (2009). Gas and stars in compact (young) radio sources. Astronomische Nachrichten, 330(2-3), 233-236. https://doi.org/10.1002/asna.200811164
    • Morganti, R., Holt, J., Tadhunter, C., & Oosterloo, T. (2009). Cold and warm gas outflows in radio AGN. Proceedings of the International Astronomical Union, 5(S267), 429-437. https://doi.org/10.1017/S1743921310006952
    • Rodríguez Zaurín, J., Holt, J., Tadhunter, C. N., & Delgado, R. M. G. (2009). Gas kinematics in the halo of the warm ULIRG PKS1345+12. Astrophysics and Space Science, 324(2), 225-229. https://doi.org/10.1007/s10509-009-0111-x
    • Spoon, H. W. W., & Holt, J. (2009). Discovery of strongly blueshifted mid-infrared [Ne III] and [Ne V] emission in Ulirgs. Astrophysical Journal, 702(1 PART 2), L42-L46. https://doi.org/10.1088/0004-637X/702/1/L42

    2008

    • Emonts, B. H. C., Morganti, R., Oosterloo, T. A., Holt, J., Tadhunter, C. N., Van Der Hulst, J. M., Ojha, R., & Sadler, E. M. (2008). Enormous disc of cool gas surrounding the nearby powerful radio galaxy NGC 612 (PKS 0131-36). Monthly Notices of the Royal Astronomical Society, 387(1), 197-208. https://doi.org/10.1111/j.1365-2966.2008.13142.x
    • Holt, J., Tadhunter, C. N., & Morganti, R. (2008). Fast outflows in compact radio sources: Evidence for AGN-induced feedback in the early stages of radio source evolution. Monthly Notices of the Royal Astronomical Society, 387(2), 639-659. https://doi.org/10.1111/j.1365-2966.2008.13089.x
    • Inskip, K. J., Villar-Martín, M., Tadhunter, C. N., Morganti, R., Holt, J., & Dicken, D. (2008). PKS2250-41: A case study for triggering. Monthly Notices of the Royal Astronomical Society, 386(4), 1797-1810. https://doi.org/10.1111/j.1365-2966.2008.13171.x
    • Montenegro Montes, F. M., Mack, K. H., Benn, C. R., Carballo, R., Dallacasa, D., González-Serrano, J. I., Holt, J., & Jiménez-Luján, F. (2008). VLBA imaging of radio-loud BAL QSOs. Proceedings of Science, 72.
    • Montenegro-Montes, F. M., Mack, K. H., Vigotti, M., Benn, C. R., Carballo, R., González-Serrano, J. I., Holt, J., & Jiménez-Luján, F. (2008). Radio spectra and polarization properties of radio-loud broad absorption-line quasars. Monthly Notices of the Royal Astronomical Society, 388(4), 1853-1868. https://doi.org/10.1111/j.1365-2966.2008.13520.x
    • Wills, K. A., Tadhunter, C., Holt, J., González Delgado, R., Inskip, K. J., Rodríguez Zaurín, J., & Morganti, R. (2008). Diverse young stellar populations in the intermediate-redshift radio galaxies 3C 213.1 and 3C 459: Implications for the evolution of the host galaxies. Monthly Notices of the Royal Astronomical Society, 385(1), 136-146. https://doi.org/10.1111/j.1365-2966.2008.12865.x

    2007

    • Batcheldor, D., Tadhunter, C., Holt, J., Morganti, R., O'Dea, C. P., Axon, D. J., & Koekemoer, A. (2007). Dominant nuclear outflow driving mechanisms in powerful radio galaxies. Astrophysical Journal, 661(1 I), 70-77. https://doi.org/10.1086/515391
    • Holt, J., Tadhunter, C. N., Delgado, R. M. G., Inskip, K. J., Rodriguez, J., Emonts, B. H. C., Morganti, R., & Wills, K. A. (2007). The properties of the young stellar populations in powerful radio galaxies at low and intermediate redshifts. Monthly Notices of the Royal Astronomical Society, 381(2), 611-639. https://doi.org/10.1111/j.1365-2966.2007.12140.x
    • Holt, J., Tadhunter, C., & Morganti, R. (2007). Outflows and shocks in compact radio sources. New Astronomy Reviews, 51(1-2), 185-189. https://doi.org/10.1016/j.newar.2006.11.006
    • Inskip, K. J., Tadhunter, C. N., Dicken, D., Holt, J., Villar-Martín, M., & Morganti, R. (2007). PKS1932-46: A radio source in an interacting group? Monthly Notices of the Royal Astronomical Society, 382(1), 95-108. https://doi.org/10.1111/j.1365-2966.2007.12378.x
    • Inskip, K. J., Villar-Martín, M., Tadhunter, C., Holt, J., & Morganti, R. (2007). The origin of extended emission line regions. New Astronomy Reviews, 51(1-2), 47-51. https://doi.org/10.1016/j.newar.2006.10.004
    • Morganti, R., Holt, J., Saripalli, L., Oosterloo, T. A., & Tadhunter, C. N. (2007). IC 5063: AGN driven outflow of warm and cold gas. Astronomy and Astrophysics, 476(2), 735-743. https://doi.org/10.1051/0004-6361:20077888
    • Rodríguez Zaurín, J., Holt, J., Tadhunter, C. N., & González Delgado, R. M. (2007). A census of young stellar populations in the warm ULIRG PKS 1345+12. Monthly Notices of the Royal Astronomical Society, 375(4), 1133-1145. https://doi.org/10.1111/j.1365-2966.2006.11379.x
    • Tadhunter, C., Dicken, D., Holt, J., Inskip, K., Morganti, R., Axon, D., Buchanan, C., Delgado, R. G., Barthel, P., & Van Bemmel, I. (2007). The heating mechanism for the warm/cool dust in powerful, radio-loud active galactic nuclei. Astrophysical Journal, 661(1 II), L13-L16. https://doi.org/10.1086/518421

    2006

    • Deloado, R. M. G., Tadhunter, C. N., Pérez, E., Villar-Martin, M., Holt, J., & Rodríguez, J. (2006). The relation between mergers and AGN activity: Results from radio galaxy and luminous infrared galaxy studies. Astronomische Nachrichten, 327(2-3), 159-166. https://doi.org/10.1002/asna.200510499
    • Emonts, B. H. C., Morganti, R., Oosterloo, T. A., Van Der Hulst, J. M., Tadhunter, C. N., Van Moorsel, G., & Holt, J. (2006). Merger origin of radio galaxies investigated with H I observations. Astronomische Nachrichten, 327(2-3), 139-142. https://doi.org/10.1002/asna.200510494
    • Emonts, B. H. C., Morganti, R., Tadhunter, C. N., Holt, J., Oosterloo, T. A., Van Der Hulst, J. M., & Wills, K. A. (2006). Timescales of merger, starburst and AGN activity in radio galaxy B2 0648+27. Astronomy and Astrophysics, 454(1), 125-135. https://doi.org/10.1051/0004-6361:20054753
    • Holt, J., Tadhunter, C. N., & Morganti, R. (2006). Outflows and shocks in compact radio sources. Astronomische Nachrichten, 327(2-3), 147-150. https://doi.org/10.1002/asna.200510496
    • Holt, J., Tadhunter, C., Morganti, R., Bellamy, M., González Delgado, R. M., Tzioumis, A., & Inskip, K. J. (2006). The co-evolution of the obscured quasar PKS 1549-79 and its host galaxy: Evidence for a high accretion rate and warm outflow. Monthly Notices of the Royal Astronomical Society, 370(4), 1633-1650. https://doi.org/10.1111/j.1365-2966.2006.10604.x

    2005

    • Benn, C. R., Carballo, R., Holt, J., Vigotti, M., Gonzáez-Serrano, J. I., Mack, K. H., & Perley, R. A. (2005). Unusual high-redshift radio broad absorption-line quasar 1624+3758. Monthly Notices of the Royal Astronomical Society, 360(4), 1455-1470. https://doi.org/10.1111/j.1365-2966.2005.09143.x
    • Emonts, B. H. C., Morganti, R., Tadhunter, C. N., Oosterloo, T. A., Holt, J., & Van Der Hulst, J. M. (2005). A jet-induced outflow of warm gas in 3C 293. Monthly Notices of the Royal Astronomical Society, 362(3), 931-944. https://doi.org/10.1111/j.1365-2966.2005.09354.x
    • González-Serrano, J. I., Carballo, R., Vigotti, M., Benn, C. R., De Zotti, G., Fanti, R., Mack, K. H., & Holt, J. (2005). Decline of the space density of quasars between z=2 and z=4. Baltic Astronomy, 14(3), 374-377.
    • Villar-Martín, M., Tadhunter, C., Morganti, R., & Holt, J. (2005). The giant star forming halo associated with the radio galaxy PKS 1932-46. Monthly Notices of the Royal Astronomical Society: Letters, 359(1), L5-L9. https://doi.org/10.1111/j.1745-3933.2005.00022.x

    2004

    • Holt, J., Benn, C. R., Vigotti, M., Pedani, M., Carballo, R., González-Serrano, J. I., Mack, K. H., & García, B. (2004). A sample of radio-loud QSOs at redshift ∼ 4. Monthly Notices of the Royal Astronomical Society, 348(3), 857-865. https://doi.org/10.1111/j.1365-2966.2004.07423.x

    2003

    • Bellamy, M. J., Tadhunter, C. N., Morganti, R., Wills, K. A., Holt, J., Taylor, M. D., & Watson, C. A. (2003). Near-infrared spectroscopy of PKS 1549-79: A protoquasar revealed? Monthly Notices of the Royal Astronomical Society, 344(4), L80-L84. https://doi.org/10.1046/j.1365-8711.2003.07078.x
    • Holt, J., Tadhunter, C. N., & Morganti, R. (2003). Extreme emission line outflows in the GPS source 4C 12.50 (PKS 1345+12). Publications of the Astronomical Society of Australia, 20(1), 25-27. https://doi.org/10.1071/AS02038
    • Holt, J., Tadhunter, C. N., & Morganti, R. (2003). Highly extinguished emission line outflows in the young radio source PKS 1345+12. Monthly Notices of the Royal Astronomical Society, 342(1), 227-238. https://doi.org/10.1046/j.1365-8711.2003.06532.x
    • Holt, J., Tadhunter, C., & Morganti, R. (2003). Emission line studies of young radio sources. New Astronomy Reviews, 47(4-5), 261-265. https://doi.org/10.1016/S1387-6473(03)00036-8
    • Morganti, R., Tadhunter, C. N., Oosterloo, T. A., Holt, J., Tzioumis, A., & Wills, K. (2003). The impact of the early stages of radio source evolution on the ISM of the host galaxies. Publications of the Astronomical Society of Australia, 20(1), 129-133. https://doi.org/10.1071/AS02056
    • Vigotti, M., Carballo, R., Benn, C. R., De Zotti, G., Fanti, R., Gonzalez Serrano, J. I., Mack, K. H., & Holt, J. (2003). Decline of the space density of quasars between z = 2 and z = 4. Astrophysical Journal, 591(1 I), 43-52. https://doi.org/10.1086/375266
    • Vigotti, M., Carballo, R., Benn, C. R., De Zotti, G., Fanti, R., González Serrano, J. I., Mack, K. H., & Holt, J. (2003). Decline of the space density of quasars from z=2 to z=4. Astronomische Nachrichten, 324(1-2), 177. https://doi.org/10.1002/asna.200310076

    2002

    • Benn, C. R., Vigotti, M., Pedani, M., Holt, J., Mack, K. H., Curran, R., & Sánchez, S. F. (2002). High-redshift QSOs in the FIRST survey. Monthly Notices of the Royal Astronomical Society, 329(1), 221-226. https://doi.org/10.1046/j.1365-8711.2002.04955.x

    2001

    • Benn, C. R., Vigotti, M., Holt, J., Shemmer, O., Takamizawa, K., Uemura, M., Kato, T., & Yamaoka, H. (2001). Nova Aquilae 2001. Circular - Central Bureau for Astronomical Telegrams, International Astronomical Union, 7628, 1. http://adsabs.harvard.edu/abs/2001IAUC.7628....1B

    2021

    • Holt, J., & Hanse, J. (2021). A new experience: Live interactive planetarium shows online. The Planetarian, 50(1), 20-24. [details]

    2020

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