University of Hertfordshire

Professor Martin Hardcastle FInstP FRAS FHEA CPhys

Professor

Martin Hardcastle

Professor Martin Hardcastle FInstP FRAS FHEA CPhys

Professor

Postal address:
University of Hertfordshire, Hatfield, Hertfordshire
United Kingdom

Publications

  1. 2018
  2. Untangling cosmic magnetic fields: Faraday tomography at metre wavelengths with LOFAR

    O'Sullivan, S. P., Brüggen, M., Eck, C. L. V., Hardcastle, M. J., Haverkorn, M., Shimwell, T. W., Tasse, C., Vacca, V., Horellou, C. & Heald, G. 29 Nov 2018 In : Galaxies.

    Research output: Contribution to journalArticle

  3. The LOFAR Two-metre Sky Survey - II. First data release

    Shimwell, T. W. , Tasse, C. , Hardcastle, M. J. , Mechev, A. P. , Williams, W. L. , Best, P. N. , Röttgering, H. J. A. , Callingham, J. R. , Dijkema, T. J. , Gasperin, F. D. , Hoang, D. N. , Hugo, B. , Mirmont, M. , Oonk, J. B. R. , Prandoni, I. , Rafferty, D. , Sabater, J. , Smirnov, O. , Weeren, R. J. V. , White, G. J. & 30 others Atemkeng, M., Bester, L., Bonnassieux, E., Brüggen, M., Brunetti, G., Chyży, K. T., Cochrane, R., Conway, J. E., Croston, J. H., Danezi, A., Duncan, K., Haverkorn, M., Heald, G. H., Iacobelli, M., Intema, H. T., Jackson, N., Jamrozy, M., Jarvis, M. J., Lakhoo, R., Mevius, M., Miley, G. K., Morabito, L., Morganti, R., Nisbet, D., Orrú, E., Smith, D. J. B., Harwood, J. J., Heesen, V., Mahatma, V. & Mingo, B. 21 Nov 2018 In : Astronomy & Astrophysics. p. 1-22 22 p.

    Research output: Contribution to journalArticle

  4. LoTSS DR1: Double-double radio galaxies in the HETDEX field

    Mahatma, V. H. , Hardcastle, M. J. , Williams, W. L. , Best, P. N. , Croston, J. H. , Duncan, K. , Mingo, B. , Morganti, R. , Brienza, M. , Cochrane, R. K. , Gürkan, G. , Harwood, J. J. , Jarvis, M. J. , Jamrozy, M. , Jurlin, N. , Morabito, L. K. , Röttgering, H. J. A. , Sabater, J. , Shimwell, T. W. , Smith, D. J. B. & 2 others Shulevski, A. & Tasse, C. 20 Nov 2018 In : Astronomy & Astrophysics.

    Research output: Contribution to journalArticle

  5. Blazars in the LOFAR Two-Metre Sky Survey First Data Release

    Mooney, S., Quinn, J., Callingham, J. R., Morganti, R., Duncan, K., Morabito, L. K., Best, P. N., Gürkan, G., Hardcastle, M. J., Prandoni, I., Röttgering, H. J. A., Sabater, J., Shimwell, T. W., Shulevski, A., Tasse, C. & Williams, W. L. 19 Nov 2018 (Accepted/In press) In : Astronomy & Astrophysics.

    Research output: Contribution to journalArticle

  6. LOFAR observations of the XMM-LSS field

    Hale, C. L., Williams, W., Jarvis, M. J., Hardcastle, M. J., Morabito, L. K., Shimwell, T. W., Tasse, C., Best, P. N., Harwood, J. J., Heywood, I., Prandoni, I., Röttgering, H. J. A., Sabater, J., Smith, D. J. B. & Weeren, R. J. V. 19 Nov 2018 In : Astronomy & Astrophysics.

    Research output: Contribution to journalArticle

  7. LoTSS/HETDEX: Disentangling star formation and AGN activity in gravitationally-lensed radio-quiet quasars

    Stacey, H. R., McKean, J. P., Jackson, N. J., Best, P. N., Rivera, G. C., Callingham, J. R., Duncan, K. J., Gürkan, G., Hardcastle, M. J., Iacobelli, M., Mechev, A. P., Morabito, L. K., Prandoni, I., Röttgering, H. J. A., Sabater, J., Shimwell, T. W., Tasse, C. & Williams, W. L. 19 Nov 2018 (Accepted/In press) In : Astronomy & Astrophysics.

    Research output: Contribution to journalArticle

  8. The LOFAR Two-metre Sky Survey (LoTSS) III. First Data Release: optical/IR identifications and value-added catalogue

    Williams, W. L. , Hardcastle, M. J. , Best, P. N. , Sabater, J. , Croston, J. H. , Duncan, K. J. , Shimwell, T. W. , Röttgering, H. J. A. , Nisbet, D. , Gürkan, G. , Alegre, L. , Cochrane, R. K. , Goyal, A. , Hale, C. L. , Jackson, N. , Jamrozy, M. , Kondapally, R. , Kunert-Bajraszewska, M. , Mahatma, V. H. , Mingo, B. & 21 others Morabito, L. K., Prandoni, I., Roskowinski, C., Shulevski, A., Smith, D. J. B., Tasse, C., Urquhart, S., Webster, B., White, G. J., Beswick, R. J., Callingham, J. R., Chyży, K. T., Gasperin, F. D., Harwood, J. J., Hoeft, M., Iacobelli, M., McKean, J. P., Mechev, A. P., Miley, G. K., Schwarz, D. J. & Weeren, R. J. V. 19 Nov 2018 (Accepted/In press) In : Astronomy & Astrophysics.

    Research output: Contribution to journalArticle

  9. The LOFAR Two-metre Sky Survey IV. First Data Release: Photometric redshifts and rest-frame magnitudes

    Duncan, K. J. , Sabater, J. , Röttgering, H. J. A. , Jarvis, M. J. , Smith, D. J. B. , Best, P. N. , Callingham, J. R. , Cochrane, R. , Croston, J. H. , Hardcastle, M. J. , Mingo, B. , Morabito, L. , Nisbet, D. , Prandoni, I. , Shimwell, T. W. , Tasse, C. , White, G. J. , Williams, W. L. , Alegre, L. , Chyży, K. T. & 7 others Gürkan, G., Hoeft, M., Kondapally, R., Mechev, A. P., Miley, G. K., Schwarz, D. J. & Weeren, R. J. V. 19 Nov 2018 (Accepted/In press) In : Astronomy & Astrophysics.

    Research output: Contribution to journalArticle

  10. The environments of radio-loud AGN from the LOFAR Two-Metre Sky Survey (LoTSS)

    Croston, J. H., Hardcastle, M. J., Mingo, B., Best, P. N., Sabater, J., Shimwell, T. W., Williams, W. L., Duncan, K. J., Röttgering, H. J. A., Brienza, M., Gürkan, G., Ineson, J., Morabito, L. M., Miley, G. K., O'Sullivan, S. P. & Prandoni, I. 19 Nov 2018 (Accepted/In press) In : Astronomy & Astrophysics.

    Research output: Contribution to journalArticle

  11. The intergalactic magnetic field probed by a giant radio galaxy

    O'Sullivan, S. P. , Machalski, J. , Eck, C. L. V. , Heald, G. , Brueggen, M. , Fynbo, J. P. U. , Heintz, K. E. , Lara-Lopez, M. A. , Vacca, V. , Hardcastle, M. J. , Shimwell, T. W. , Tasse, C. , Vazza, F. , Andernach, H. , Birkinshaw, M. , Haverkorn, M. , Horellou, C. , Williams, W. L. , Harwood, J. J. , Brunetti, G. & 10 others Anderson, J. M., Mao, S. A., Nikiel-Wroczynski, B., Takahashi, K., Carretti, E., Vernstrom, T., Weeren, R. J. V., Orru, E., Morabito, L. K. & Callingham, J. R. 19 Nov 2018 In : Astronomy & Astrophysics.

    Research output: Contribution to journalArticle

  12. The LoTSS view of radio AGN in the local Universe. The most massive galaxies are always switched on

    Sabater, J. , Best, P. N. , Hardcastle, M. J. , Shimwell, T. W. , Tasse, C. , Williams, W. L. , Brüggen, M. , Cochrane, R. K. , Croston, J. H. , Gasperin, F. D. , Duncan, K. J. , Gürkan, G. , Mechev, A. P. , Morabito, L. K. , Prandoni, I. , Röttgering, H. J. A. , Smith, D. J. B. , Harwood, J. J. , Mingo, B. , Mooney, S. & 1 others Saxena, A. 15 Nov 2018 In : Astronomy & Astrophysics. 14 p.

    Research output: Contribution to journalArticle

  13. LoTSS/HETDEX: Optical quasars I. Low-frequency radio properties of optically selected quasars

    Gürkan, G., Hardcastle, M., Best, P., Morabito, L., Prandoni, I., Jarvis, M., Duncan, K., Rivera, G. C., Callingham, J., Cochrane, R., Croston, J., Heald, G., Mingo, B., Mooney, S., Sabater, J., Röttgering, H., Shimwell, T., Smith, D., Tasse, C. & Williams, W. 10 Nov 2018 (Accepted/In press) In : Astronomy & Astrophysics.

    Research output: Contribution to journalArticle

  14. How frequent are close supermassive binary black holes in powerful jet sources?

    Krause, M. G. H., Shabala, S. S., Hardcastle, M. J., Böhringer, H., Chon, G., Nawaz, M. A., Sarzi, M. & Wagner, A. Y. 24 Oct 2018 In : Monthly Notices of the Royal Astronomical Society. 482, 1, p. 240-261 22 p.

    Research output: Contribution to journalArticle

  15. A catalogue of faint local radio AGN and the properties of their host galaxies

    Lofthouse, E. K., Kaviraj, S., Smith, D. J. B. & Hardcastle, M. J. 1 Sep 2018 In : Monthly Notices of the Royal Astronomical Society. 479, 1, p. 807-816 10 p.

    Research output: Contribution to journalArticle

  16. Detection of non-thermal X-ray emission in the lobes and jets of Cygnus A

    Vries, M. N. D., Wise, M. W., Huppenkothen, D., Nulsen, P. E. J., Snios, B., Hardcastle, M. J., Birkinshaw, M., Worrall, D. M., Duffy, R. T. & McNamara, B. R. 21 Aug 2018 In : Monthly Notices of the Royal Astronomical Society. 478, 3, p. 4010–4029

    Research output: Contribution to journalArticle

  17. The origin of radio emission in broad absorption line quasars: Results from the LOFAR Two-metre Sky Survey

    Morabito, L. K., Matthews, J. H., Best, P. N., Gürkan, G., Jarvis, M. J., Prandoni, I., Duncan, K. J., Hardcastle, M. J., Kunert-Bajraszewska, M., Mechev, A. P., Mooney, S., Sabater, J., Röttgering, H. J. A., Shimwell, T. W., Smith, D. J. B., Tasse, C. & Williams, W. L. 16 Aug 2018 (Accepted/In press) In : Astronomy & Astrophysics.

    Research output: Contribution to journalArticle

  18. The Far-Infrared Radio Correlation at low radio frequency with LOFAR/H-ATLAS

    Read, S., Smith, D., Gurkan, G., Hardcastle, M., Williams, W. L., Best, P. N., Brinks, E., Calistro-Rivera, G., Chyzy, K. T., Duncan, K. J., Dunne, L., Jarvis, M. J., Morabito, L. K., Prandoni, I., Rottgering, H. J. A., Sabater, J. & Viaene, S. 13 Aug 2018 In : Monthly Notices of the Royal Astronomical Society. 462, 2, p. 1910-1936

    Research output: Contribution to journalArticle

  19. LOFAR MSSS: Flattening low-frequency radio continuum spectra of nearby galaxies

    Chyży, K. T. , Jurusik, W. , Piotrowska, J. , Nikiel-Wroczyński, B. , Heesen, V. , Vacca, V. , Nowak, N. , Paladino, R. , Surma, P. , Sridhar, S. S. , Heald, G. , Beck, R. , Conway, J. , Sendlinger, K. , Curyło, M. , Mulcahy, D. , Broderick, J. W. , Hardcastle, M. J. , Callingham, J. R. , Gürkan, G. & 18 others Iacobelli, M., Röttgering, H. J. A., Adebahr, B., Shulevski, A., Dettmar, R. -J., Breton, R. P., Clarke, A. O., Farnes, J. S., Orrú, E., Pandey, V. N., Pandey-Pommier, M., Pizzo, R., Riseley, C. J., Rowlinson, A., Scaife, A. M. M., Stewart, A. J., Horst, A. J. V. D. & Weeren, R. J. V. 9 Aug 2018 (Accepted/In press) In : Astronomy & Astrophysics.

    Research output: Contribution to journalArticle

  20. A New Solution to the Plasma Starved Event Horizon Magnetosphere: Application to the Forked Jet in M87

    Punsly, B., Hardcastle, M. & Hada, K. 22 Jun 2018 In : Astronomy & Astrophysics. 614, 20 p., A104

    Research output: Contribution to journalArticle

  21. Polarized point sources in the LOFAR Two-meter Sky Survey: A preliminary catalog

    Eck, C. L. V. , Haverkorn, M. , Alves, M. I. R. , Beck, R. , Best, P. , Carretti, E. , Chyży, K. T. , Farnes, J. S. , Ferrière, K. , Hardcastle, M. J. , Heald, G. , Horellou, C. , Iacobelli, M. , Jelić, V. , Mulcahy, D. D. , O'Sullivan, S. P. , Polderman, I. M. , Reich, W. , Riseley, C. J. , Röttgering, H. & 5 others Schnitzeler, D. H. F. M., Shimwell, T. W., Vacca, V., Vink, J. & White, G. J. 1 Jun 2018 In : Astronomy & Astrophysics. 613, A58

    Research output: Contribution to journalArticle

  22. The X-ray Ribs Within the Cocoon Shock of Cygnus A

    Duffy, R. T., Worrall, D. M., Birkinshaw, M., Nulsen, P. E. J., Wise, M. W., Vries, M. N. D., Snios, B., Mathews, W. G., Perley, R. A., Hardcastle, M. J., Rafferty, D. A., McNamara, B. R., Edge, A. C., McKean, J. P., Carilli, C. L., Croston, J. H., Godfrey, L. E. H. & Laing, R. A. 1 Jun 2018 In : Monthly Notices of the Royal Astronomical Society. 476, 4, p. 4848–4860

    Research output: Contribution to journalArticle

  23. Particle content, radio-galaxy morphology and jet power: all radio-loud AGN are not equal

    Croston, J. H., Ineson, J. & Hardcastle, M. J. 11 May 2018 In : Monthly Notices of the Royal Astronomical Society. 476, 2, p. 1614-1623 sty274

    Research output: Contribution to journalArticle

  24. Remnant radio-loud AGN in the Herschel-ATLAS field

    Mahatma, V. H., Hardcastle, M. J., Williams, W. L., Brienza, M., Bruggen, M., Croston, J. H., Gurkan, G., Harwood, J. J., Kunert-Bajraszewska, M., Morganti, R., Rottgering, H. J. A., Shimwell, T. W. & Tasse, C. 21 Apr 2018 In : Monthly Notices of the Royal Astronomical Society. 475, 4, p. 4557–4578 sty025

    Research output: Contribution to journalArticle

  25. Facetting for direction-dependent spectral deconvolution

    Tasse, C., Hugo, B., Mirmont, M., Smirnov, O., Atemkeng, M., Bester, L., Bonnassieux, E., Hardcastle, M. J., Lakhoo, R., Girard, J. H. V., Makhathini, S., Perkins, S. & Shimwell, T. W. 12 Apr 2018 In : Astronomy & Astrophysics. 611, A87

    Research output: Contribution to journalArticle

  26. Interpreting radiative efficiency in radio-loud AGN

    Hardcastle, M. J. 11 Apr 2018 In : Nature Astronomy. 2, 4, p. 273-274

    Research output: Contribution to journalComment/debate

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