Zobrazeno 1 - 10
of 124
pro vyhledávání: '"D. R. A. Williams"'
Autor:
A. Bahramian, E. Tremou, A. J. Tetarenko, J. C. A. Miller-Jones, R. P. Fender, S. Corbel, D. R. A. Williams, J. Strader, F. Carotenuto, R. Salinas, J. A. Kennea, S. E. Motta, P. A. Woudt, J. H. Matthews, T. D. Russell
Publikováno v:
The Astrophysical Journal Letters, Vol 948, Iss 1, p L7 (2023)
Over the past decade, observations of relativistic outflows from outbursting X-ray binaries in the Galactic field have grown significantly. In this work, we present the first detection of moving and decelerating radio-emitting outflows from an X-ray
Externí odkaz:
https://doaj.org/article/57ee9dda4d814eccb8b8fe0fd57880cf
Autor:
B T Dullo, J H Knapen, R J Beswick, R D Baldi, D R A Williams, I M McHardy, D A Green, A Gil de Paz, S Aalto, A Alberdi, M K Argo, H-R Klöckner, I M Mutie, D J Saikia, P Saikia, I R Stevens
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 522:3412-3438
Multiwavelength studies indicate that nuclear activity and bulge properties are closely related, but the details remain unclear. To study this further, we combine $Hubble~Space~Telescope$ bulge structural and photometric properties with 1.5 GHz, $e$-
Autor:
R P Fender, K P Mooley, S E Motta, J S Bright, D R A Williams, A P Rushton, R J Beswick, J C A Miller-Jones, M Kimura, K Isogai, T Kato
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 518:1243-1259
We present analysis of comprehensive radio observations of the black hole V404 Cyg during its 2015 outburst. These data represent the best ever coverage of jet production and particle acceleration from any black hole. We report for the first time a c
Autor:
J O Chibueze, M Caleb, L Spitler, H Ashkar, F Schüssler, B W Stappers, C Venter, I Heywood, A M S Richards, D R A Williams, M Kramer, R Beswick, M C Bezuidenhout, R P Breton, L N Driessen, F Jankowski, E F Keane, M Malenta, M Mickaliger, V Morello, H Qiu, K Rajwade, S Sanidas, M Surnis, T W Scragg, C R H Walker, N Wrigley, H E S S Collaboration: F Aharonian, F Ait Benkhali, E O Angüner, M Backes, V Baghmanyan, V Barbosa Martins, R Batzofin, Y Becherini, D Berge, M Böttcher, C Boisson, J Bolmont, M de Bony de Lavergne, M Breuhaus, R Brose, F Brun, T Bulik, F Cangemi, S Caroff, S Casanova, J Catalano, M Cerruti, T Chand, A Chen, O U Chibueze, G Cotter, P Cristofari, J Damascene Mbarubucyeye, J Devin, A Djannati-Ataï, A Dmytriiev, K Egberts, J-P Ernenwein, A Fiasson, G Fichet de Clairfontaine, G Fontaine, S Funk, S Gabici, S Ghafourizadeh, G Giavitto, D Glawion, M-H Grondin, M Hörbe, C Hoischen, T L Holch, Zhiqiu Huang, M Jamrozy, F Jankowsky, V Joshi, I Jung-Richardt, E Kasai, K Katarzyński, U Katz, B Khélifi, W Kluźniak, Nu Komin, K Kosack, D Kostunin, A Lemière, J-P Lenain, F Leuschner, T Lohse, A Luashvili, I Lypova, J Mackey, D Malyshev, V Marandon, P Marchegiani, A Marcowith, G Martí-Devesa, R Marx, A Mitchell, R Moderski, L Mohrmann, E Moulin, J Muller, K Nakashima, M de Naurois, A Nayerhoda, J Niemiec, A Priyana Noel, P O’Brien, S Ohm, L Olivera-Nieto, E de Ona Wilhelmi, M Ostrowski, S Panny, R D Parsons, S Pita, V Poireau, D A Prokhorov, H Prokoph, G Pühlhofer, A Quirrenbach, P Reichherzer, A Reimer, O Reimer, G Rowell, B Rudak, E Ruiz-Velasco, V Sahakian, S Sailer, H Salzmann, D A Sanchez, A Santangelo, M Sasaki, H M Schutte, U Schwanke, J N S Shapopi, A Specovius, S Spencer, R Steenkamp, S Steinmassl, T Takahashi, T Tanaka, C Thorpe-Morgan, N Tsuji, C van Eldik, J Veh, J Vink, S J Wagner, A Wierzcholska, Yu Wun Wong, A Yusafzai, M Zacharias, D Zargaryan, A A Zdziarski, A Zech, S J Zhu, S Zouari, N Żywucka
Publikováno v:
Monthly Notices of the Royal Astronomical Society, 515(1). Oxford University Press
Monthly notices of the Royal Astronomical Society 515(1), 1365-1379 (2022). doi:10.1093/mnras/stac1601
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2022, 515 (1), pp.1365-1379. ⟨10.1093/mnras/stac1601⟩
Monthly notices of the Royal Astronomical Society 515(1), 1365-1379 (2022). doi:10.1093/mnras/stac1601
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2022, 515 (1), pp.1365-1379. ⟨10.1093/mnras/stac1601⟩
Monthly notices of the Royal Astronomical Society 515(1), 1365 - 1379 (2022). doi:10.1093/mnras/stac1601
We report on a search for persistent radio emission from the one-off fast radio burst (FRB) 20190714A, as well as from two repeating FRBs, 2
We report on a search for persistent radio emission from the one-off fast radio burst (FRB) 20190714A, as well as from two repeating FRBs, 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63fa215eb459b9f2778acc79ff3a175e
https://doi.org/10.1093/mnras/stac1601
https://doi.org/10.1093/mnras/stac1601
Autor:
L Rhodes, J S Bright, R Fender, I Sfaradi, D A Green, A Horesh, K Mooley, D Pasham, S Smartt, D J Titterington, A J van der Horst, D R A Williams
Publikováno v:
Rhodes, L, Bright, J S, Fender, R, Sfaradi, I, Green, D A, Horesh, A, Mooley, K, Pasham, D, Smartt, S, Titterington, D J, van der Horst, A J & Williams, D R A 2023, ' Day-time-scale variability in the radio light curve of the Tidal Disruption Event AT2022cmc: confirmation of a highly relativistic outflow ', Monthly Notices of the Royal Astronomical Society, vol. 521, no. 1, pp. 389–395 . https://doi.org/10.1093/mnras/stad344
Rhodes, L, Bright, J S, Fender, R, Sfaradi, I, Green, D A, Horesh, A, Mooley, K, Pasham, D, Smartt, S, Titterington, D J, van der Horst, A J & Williams, D R A 2023, ' Day-time-scale variability in the radio light curve of the Tidal Disruption Event AT2022cmc: confirmation of a highly relativistic outflow ', Monthly Notices of the Royal Astronomical Society, vol. 521, no. 1, pp. 389-395 . https://doi.org/10.1093/mnras/stad344
Rhodes, L, Bright, J S, Fender, R, Sfaradi, I, Green, D A, Horesh, A, Mooley, K, Pasham, D, Smartt, S, Titterington, D J, van der Horst, A J & Williams, D R A 2023, ' Day-time-scale variability in the radio light curve of the Tidal Disruption Event AT2022cmc: confirmation of a highly relativistic outflow ', Monthly Notices of the Royal Astronomical Society, vol. 521, no. 1, pp. 389-395 . https://doi.org/10.1093/mnras/stad344
Tidal disruption events (TDEs) are transient, multi-wavelength events in which a star is ripped apart by a supermassive black hole. Observations show that in a small fraction of TDEs, a short-lived, synchrotron emitting jet is produced. We observed t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7afa3e0960f414be63992046d010b551
https://www.repository.cam.ac.uk/handle/1810/346015
https://www.repository.cam.ac.uk/handle/1810/346015
Autor:
K V S Gasealahwe, I M Monageng, R P Fender, P A Woudt, S E Motta, J van den Eijnden, D R A Williams, I Heywood, S Bloemen, P J Groot, P Vreeswijk, V McBride, M Klein-Wolt, E Körding, R Le Poole, D Pieterse, S de Wet
Publikováno v:
Gasealahwe, K V S, Monageng, I M, Fender, R P, Woudt, P A, Motta, S E, van den Eijnden, J, Williams, D R A, Heywood, I, Bloemen, S, Groot, P J, Vreeswijk, P, McBride, V, Klein-Wolt, M, Körding, E, Le Poole, R, Pieterse, D & de Wet, S 2023, ' The 2019 outburst of AMXP SAX J1808.4-3658 and radio follow up of MAXI J0911-655 and XTE J1701-462 ', Monthly Notices of the Royal Astronomical Society, vol. 521, no. 2, pp. 2806–2813 . https://doi.org/10.1093/mnras/stad649
Monthly Notices of the Royal Astronomical Society, 521, 2, pp. 2806-2813
Monthly Notices of the Royal Astronomical Society, 521, 2806-2813
Monthly Notices of the Royal Astronomical Society, 521, 2, pp. 2806-2813
Monthly Notices of the Royal Astronomical Society, 521, 2806-2813
We present radio coverage of the 2019 outburst of the accreting millisecond X-ray pulsar SAX J1808.4-3658, obtained with MeerKAT. We compare these data to contemporaneous X-ray and optical measurements in order to investigate the coupling between acc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31e9ebf2cbbf9e6671e83754a966ec49
https://hdl.handle.net/https://repository.ubn.ru.nl/handle/2066/292544
https://hdl.handle.net/https://repository.ubn.ru.nl/handle/2066/292544
Autor:
U. Munari, M. Giroletti, B. Marcote, T. J. O’Brien, P. Veres, J. Yang, D. R. A. Williams, P. Woudt
Publikováno v:
Munari, U, Giroletti, M, Marcote, B, O'Brien, T J, Veres, P, Yang, J, Williams, D R A & Woudt, P 2022, ' Radio interferometric imaging of RS Oph bipolar ejecta for the 2021 nova outburst ', Astronomy & Astrophysics, vol. 666, L6 . https://doi.org/10.1051/0004-6361/202244821
The recurrent nova and symbiotic binary RS Oph erupted again in August 2021 for its eighth known outburst. As part of a multi-epoch and frequency campaign, we observed RS Oph 34 days after the outburst at 5 GHz with the European VLBI Network (EVN). T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f20cbc39c7945285869bc164781e01b9
https://research.manchester.ac.uk/en/publications/ad1209e7-b703-41f7-8f45-31c0aaa8367a
https://research.manchester.ac.uk/en/publications/ad1209e7-b703-41f7-8f45-31c0aaa8367a
Autor:
D R A Williams, S E Motta, R Fender, J C A Miller-Jones, J Neilsen, J R Allison, J Bright, I Heywood, P F L Jacob, L Rhodes, E Tremou, P A Woudt, J van den Eijnden, F Carotenuto, D A Green, D Titterington, A J van der Horst, P Saikia
We present radio [1.3 GHz MeerKAT, 4-8 GHz Karl G. Jansky Very Large Array (VLA) and 15.5 GHz Arcminute Microkelvin Imager Large Array (AMI-LA)] and X-ray (Swift and MAXI) data from the 2019 outburst of the candidate Black Hole X-ray Binary (BHXB) EX
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79655c314adafd1ea1bc243232a86c29
https://www.repository.cam.ac.uk/handle/1810/341331
https://www.repository.cam.ac.uk/handle/1810/341331
Autor:
L Rhodes, A J van der Horst, R Fender, D R Aguilera-Dena, J S Bright, S Vergani, D R A Williams
Publikováno v:
Rhodes, L, van der Horst, A J, Fender, R, Aguilera-Dena, D R, Bright, J S, Vergani, S & Williams, D R A 2022, ' Jet-cocoon geometry in the optically dark, very high energy gamma-ray burst 201216C ', Monthly Notices of the Royal Astronomical Society, vol. 513, no. 2, pp. 1895-1909 . https://doi.org/10.1093/mnras/stac1057
We present the results of a radio observing campaign on GRB 201216C, combined with publicly available optical and X-ray data. The detection of very high energy (VHE, >100GeV) emission by MAGIC makes this the fifth VHE GRB at time of publication. Comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ddb1f6b9c16685770b879e303947be0
We present the results of our long term radio monitoring campaign at 1.3GHz (MeerKAT) and 15.5GHz (Arcminute Microkelvin Imager - Large Array, AMI-LA) for the outburst of the recently discovered neutron star X-ray binary Swift J1858.6-0814. Throughou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dfe90a023833d5876e33c5ded5179393