Michael Joshua Williams Portrait

Dr Michael Williams

Research Fellow

Michael.Williams3@port.ac.uk

View my research outputs

Research outputs

2025

GW231123: A Binary Black Hole Merger with Total Mass 190–265 M⊙

Cabourn Davies, G. S., Harry, I., Hoy, C. G., Leyde, K. H. M., Lundgren, A., Nuttall, L., Williams, M. J.

1 Nov 2025, In: The Astrophysical Journal Letters. 993, 1, 37p., L25

Research output: Article

Validating sequential Monte Carlo for gravitational-wave inference

Williams, M. J., Karamanis, M., Luo, Y., Seljak, U.

1 Oct 2025, In: Monthly Notices of the Royal Astronomical Society. 543, 2, p. 1479-1493

Research output: Article

Search for gravitational waves emitted from SN 2023ixf

Abac, A. G., Abbott, R., Abouelfettouh, I., Acernese, F., Ackley, K., Adhicary, S., Adhikari, N., Adhikari, R. X., Adkins, V. K., Agarwal, D., Agathos, M., Abchouyeh, M. A., Aguiar, O. D., Aguilar, I., Aiello, L., Ain, A., Akutsu, T., Albanesi, S., Alfaidi, R. A., Al-Jodah, A., Alléné, C., Allocca, A., Al-Shammari, S., Altin, P. A., Alvarez-Lopez, S., Amato, A., Amez-Droz, L., Amorosi, A., Amra, C., Ananyeva, A., Anderson, W. G., Andia, M., Ando, M., Andrade, T., Davies, G. S. C., Edy, O., Green, S. M., Harry, I. W., Hoy, C. G., Keitel, D., Leyde, K., Lundgren, A. P., Macas, R., Nuttall, L. K., Tolley, A. E., Weaving, C. R., Williams, M. J.

22 May 2025, In: The Astrophysical Journal. 985, 2, 23p., 183

Research output: Article

Search for Continuous Gravitational Waves from Known Pulsars in the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run

Abac, A. G., Abbott, R., Abouelfettouh, I., Acernese, F., Ackley, K., Adhicary, S., Adhikari, N., Adhikari, R. X., Adkins, V. K., Agarwal, D., Agathos, M., Aghaei Abchouyeh, M., Aguiar, O. D., Aguilar, I., Aiello, L., Ain, A., Ajith, P., Akutsu, T., Albanesi, S., Alfaidi, R. A., Al-Jodah, A., Alléné, C., Allocca, A., Al-Shammari, S., Altin, P. A., Alvarez-Lopez, S., Amato, A., Amez-Droz, L., Amorosi, A., Amra, C., Ananyeva, A., Anderson, S. B., Anderson, W. G., Ashton, G., Brown, D. D., Cabourn Davies, G. S., Edy, O., Green, S. M., Green, S. R., Harry, I. W., Hoy, C. G., Keitel, D., Leyde, K., Lundgren, A., Macas, R., Mukherjee, A., Nuttall, L. K., Tolley, A. E., Weaving, C. R., Williams, M. J.

20 Apr 2025, In: Astrophysical Journal. 983, 2, 34p., 99

Research output: Article

Premerger observation and characterization of massive black hole binaries

Cabourn Davies, G., Harry, I., Williams, M. J., Bandopadhyay, D., Barack, L., Bayle, J. B., Hoy, C., Klein, A., Middleton, H., Moore, C. J., Nuttall, L., Pratten, G., Vecchio, A., Woan, G.

21 Feb 2025, In: Physical Review D. 111, 4, 16p., 043045

Research output: Article

Swift-BAT GUANO Follow-up of Gravitational-wave Triggers in the Third LIGO–Virgo–KAGRA Observing Run

Raman, G., Ronchini, S., Delaunay, J., Tohuvavohu, A., Kennea, J. A., Parsotan, T., Ambrosi, E., Bernardini, M. G., Campana, S., Cusumano, G., D'Aì, A., D'Avanzo, P., D'Elia, V., De Pasquale, M., Dichiara, S., Evans, P., Hartmann, D., Kuin, P., Melandri, A., O’Brien, P., Osborne, J. P., Page, K., Palmer, D. M., Sbarufatti, B., Tagliaferri, G., Troja, E., Abac, A. G., Abbott, R., Abe, H., Abouelfettouh, I., Acernese, F., Ackley, K., Ashton, G., Cabourn Davies, G. S., Edy, O., Green, S. M., Harry, I. W., Hoy, C. G., Keitel, D., Leyde, K., Lundgren, A. P., Macas, R., McIsaac, C., Mozzon, S., Nuttall, L. K., Tolley, A. E., Weaving, C. R., Williams, M. J., Yang, Y., Yang, Y.

20 Feb 2025, In: Astrophysical Journal. 980, 2, 47p., 207

Research output: Article

2024

A search using GEO600 for gravitational waves coincident with fast radio bursts from SGR 1935+2154

Cabourn Davies, G. S., Edy, O. P., Harry, I. W., Hoy, C. G., Lundgren, A., Macas, R., Nuttall, L., Tolley, A. E., Weaving, C. R., Williams, M. J.

18 Dec 2024, In: The Astrophysical Journal. 977, 2, 27p., 255

Research output: Article

Search for eccentric black hole coalescences during the third observing run of LIGO and Virgo

Abac, A. G., Abbott, R., Abe, H., Acernese, F., Ackley, K., Adamcewicz, C., Adhicary, S., Adhikari, N., Adhikari, R. X., Adkins, V. K., Adya, V. B., Affeldt, C., Agarwal, D., Agathos, M., Aguiar, O. D., Aguilar, I., Aiello, L., Ain, A., Ajith, P., Akutsu, T., Albanesi, S., Alfaidi, R. A., Al-Jodah, A., Alléné, C., Allocca, A., Almualla, M., Altin, P. A., Álvarez-López, S., Amato, A., Amez-Droz, L., Amorosi, A., Anand, S., Ananyeva, A., Andersen, R., Anderson, S. B., Davies, G. S., Edy, O., Green, S. M., Harry, I. W., Hoy, C. G., Leyde, K., Lundgren, A., Macas, R., McIsaac, C., Mozzon, S., Mukherjee, A., Nuttall, L. K., Tolley, A. E., Weaving, C. R., Williams, M. J., Williamson, A. R.

1 Oct 2024, In: Astrophysical Journal. 973, 2, 27p., ad65ce

Research output: Article

Search for gravitational-lensing signatures in the full third observing run of the LIGO-Virgo network

Abbott, R., Abe, H., Acernese, F., Ackley, K., Adhicary, S., Adhikari, N., Adhikari, R. X., Adkins, V. K., Adya, V. B., Affeldt, C., Agarwal, D., Agathos, M., Aguiar, O. D., Aiello, L., Ain, A., Ajith, P., Akutsu, T., Albanesi, S., Alfaidi, R. A., Alléné, C., Allocca, A., Altin, P. A., Amato, A., Anand, S., Ananyeva, A., Anderson, S. B., Anderson, W. G., Ando, M., Andrade, T., Andres, N., Andrés-Carcasona, M., Andrić, T., Ansoldi, S., Antelis, J. M., Ashton, G., Cabourn Davies, G. S., Edy, O., Harry, I. W., Hoy, C. G., Keitel, D., Leyde, K., Lundgren, A. P., Macas, R., McIsaac, C., Mozzon, S., Nuttall, L. K., Tolley, A. E., Weaving, C. R., Williams, M. J., Williamson, A. R.

31 Jul 2024, In: Astrophysical Journal. 970, 2, 28p., 191

Research output: Article

Observation of gravitational waves from the coalescence of a 2.5–4.5Me compact object and a neutron star

Abac, A. G., Abbott, R., Abouelfettouh, I., Acernese, F., Ackley, K., Adhicary, S., Adhikari, N., Adhikari, R. X., Adkins, V. K., Agarwal, D., Agathos, M., Aghaei Abchouyeh, M., Aguiar, O. D., Aguilar, I., Aiello, L., Ain, A., Ajith, P., Akçay, S., Akutsu, T., Albanesi, S., Alfaidi, R. A., Al-Jodah, A., Alléné, C., Allocca, A., Al-Shammari, S., Altin, P. A., Alvarez-Lopez, S., Amato, A., Amez-Droz, L., Amorosi, A., Amra, C., Ananyeva, A., Anderson, S. B., Ashton, G., Cabourn Davies, G. S., Edy, O., Green, S. M., Green, S. R., Harry, I. W., Hoy, C. G., Keitel, D., Lee, H. W., Leyde, K., Lundgren, A., Macas, R., Mukherjee, A., Nuttall, L. K., Tolley, A. E., Weaving, C. R., Williams, M. J.

26 Jul 2024, In: The Astrophysical Journal Letters. 970, 2, 39p., L34

Research output: Article

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