Professor Vik Dhillon
School of Mathematical and Physical Sciences
Head of Astrophysics Research Cluster
Professor of Astrophysics
+44 114 222 4528
Full contact details
School of Mathematical and Physical Sciences
E34
Hicks Building
Hounsfield Road
Sheffield
S3 7RH
- Profile
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I am a Professor of Astrophysics in the Department of Physics and Astronomy at the University of Sheffield, and an Affiliated Researcher at the Instituto de Astrofísica de Canarias (IAC) on Tenerife.
Prior to moving to Sheffield in 1998, I worked at the Royal Greenwich Observatory, first at Herstmonceux/Sussex, then on La Palma, and finally in Cambridge.
I was awarded the Royal Astronomical Society Jackson-Gwilt Medal in 2013. From 2014-2019, I was an ERC Advanced Grant holder.
My primary research interests are in the field of close binary stars, in which at least one stellar component is a white dwarf, neutron star or black hole.
This work has led me and my collaborators to develop a series of high-speed cameras, ULTRACAM, ULTRASPEC and HiPERCAM, as well as a robotic telescope on La Palma, pt5m.
I am also interested in observing gravitational-wave sources in the Universe discovered by the LIGO Scientific Collaboration, most likely emitted by close binary stars.
My effort in this area is currently focused on the construction of GOTO, a wide-field survey telescope on La Palma that will search for electromagnetic counterparts to gravitational-wave transients.
Career history
- Postdoctoral Research Fellow (1990-1992, University of Sussex)
- Staff Astronomer (1992-1996, Royal Greenwich Observatory, La Palma)
- Staff Astronomer (1996-1998, Royal Greenwich Observatory, Cambridge)
- Lecturer/Senior Lecturer/Reader (1998-2007, University of Sheffield)
- Professor of Astrophysics (2007-present, University of Sheffield)
- Qualifications
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- Physics with Astronomy BSc (1984-1987, University of Sussex)
- Observational Astrophysics DPhil (1987-1990, University of Sussex/Royal Greenwich Observatory, Herstmonceux)
- Awarded the Jackson-Gwilt Medal in 2013 by the Royal Astronomical Society.
- Awarded an Advanced Grant in 2014 by the European Research Council.
- Awarded Affiliated Researcher status at the Instituto de Astrofisica de Canarias.
- Research interests
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My primary research interests are in the field of close binary stars, in which at least one stellar component is a white dwarf, neutron star or black hole.
This work has led me and my collaborators to develop a series of high-speed cameras, ULTRACAM, ULTRASPEC and HiPERCAM, as well as a robotic telescope on La Palma, pt5m.
I am also interested in observing gravitational-wave sources in the Universe discovered by the LIGO Scientific Collaboration, most likely emitted by close binary stars.
My effort in this area is currently focused on the construction of GOTO, a wide-field survey telescope on La Palma that will search for electromagnetic counterparts to gravitational-wave transients.
- Publications
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Show: Featured publications All publications
Featured publications
Journal articles
- A pulsating white dwarf in an eclipsing binary. Nature Astronomy. View this article in WRRO
- An ultra-massive white dwarf with a mixed hydrogen–carbon atmosphere as a likely merger remnant. Nature Astronomy. View this article in WRRO
- Accurate mass and radius determinations of a cool subdwarf in an eclipsing binary. Nature Astronomy, 3, 553-560. View this article in WRRO
- A precise measurement of the magnetic field in the corona of the black hole binary V404 Cygni. Science, 358(6368), 1299-1302. View this article in WRRO
- An elevation of 0.1 light-seconds for the optical jet base in an accreting Galactic black hole system. Nature Astronomy, 1(12), 859-864. View this article in WRRO
- A radio-pulsing white dwarf binary star. Nature, 537, 374-377. View this article in WRRO
- An irradiated brown-dwarf companion to an accreting white dwarf. Nature, 533(7603), 366-368. View this article in WRRO
- Accretion-induced variability links young stellar objects, white dwarfs, and black holes. Science Advances, 1(9). View this article in WRRO
All publications
Journal articles
- Short-term variability of the transitional pulsar candidate CXOU J110926.4−650224 from X-rays to infrared. Astronomy & Astrophysics, 690, A220-A220.
- The Orbit and Companion of PSR J1622-0315: Variable Asymmetry and a Massive Neutron Star. The Astrophysical Journal, 973(2), 121-121.
- TREASUREHUNT: Transients and Variability Discovered with HST in the JWST North Ecliptic Pole Time-domain Field. The Astrophysical Journal Supplement Series, 272(1), 19-19.
- Long-term variability in debris transiting white dwarfs. Monthly Notices of the Royal Astronomical Society, 530(1), 117-128.
- GRB 230911A: The first discovery of a Fermi GRB optical counterpart with the gravitational-wave optical transient observer (GOTO). Research Notes of the AAS, 8(1). View this article in WRRO
- Revisiting the Transit Timing and Atmosphere Characterization of the Neptune-mass Planet HAT-P-26 b. The Astronomical Journal, 166(6), 223-223.
- TIC 378898110: A bright, short-period AM CVn binary in TESS. Monthly Notices of the Royal Astronomical Society. View this article in WRRO
- X-ray properties of the white dwarf pulsar eRASSU J191213.9−441044. Astronomy & Astrophysics, 674, L9-L9.
- GRB 201015A and the nature of low-luminosity soft gamma-ray bursts. Monthly Notices of the Royal Astronomical Society, 523(4), 4923-4937.
- The fast X-ray transient XRT 210423 and its host galaxy. The Astrophysical Journal, 948(2). View this article in WRRO
- A dense ring of the trans-Neptunian object Quaoar outside its Roche limit. Nature, 614(7947), 239-243.
- Neutron star mass estimates from gamma-ray eclipses in spider millisecond pulsar binaries. Nature Astronomy, 7, 451-462.
- The TRAPUM L-band survey for pulsars in Fermi-LAT gamma-ray sources. Monthly Notices of the Royal Astronomical Society, 519(4), 5590-5606.
- A tentative 114 minute orbital period challenges the ultracompact nature of the X-ray binary 4U 1812–12. The Astrophysical Journal Letters, 931(1).
- A 62-minute orbital period black widow binary in a wide hierarchical triple.. Nature, 605(7908), 41-45.
- Probing for the host galaxies of the fast X-ray transients XRT 000519 and XRT 110103. Monthly Notices of the Royal Astronomical Society.
- The SN Ia runaway LP 398-9: detection of circumstellar material and surface rotation. Monthly Notices of the Royal Astronomical Society, 512(4), 6122-6133.
- Relentless and complex transits from a planetesimal debris disc. Monthly Notices of the Royal Astronomical Society, 511(2), 1647-1666.
- The post-common-envelope binary central star of the planetary nebula Ou 5: a doubly-eclipsing post-red-giant-branch system. Monthly Notices of the Royal Astronomical Society. View this article in WRRO
- Discovery and characterization of five new eclipsing AM CVn systems. Monthly Notices of the Royal Astronomical Society. View this article in WRRO
- Gaia early data release 3 : Gaia photometric science alerts. Astronomy & Astrophysics, 652.
- HiPERCAM : a quintuple-beam, high-speed optical imager on the 10.4-m Gran Telescopio Canarias. Monthly Notices of the Royal Astronomical Society.
- Measuring fundamental jet properties with multiwavelength fast timing of the black hole X-ray binary MAXI J1820+070. Monthly Notices of the Royal Astronomical Society, 504(3), 3862-3883.
- The Solar Activity Monitor Network - SAMNet. Journal of Space Weather and Space Climate. View this article in WRRO
- Light curve classification with recurrent neural networks for GOTO: dealing with imbalanced data. Monthly Notices of the Royal Astronomical Society. View this article in WRRO
- A quantitative in-depth analysis of the prototype sdB+BD system SDSS J08205+0008 revisited in the Gaia era. Monthly Notices of the Royal Astronomical Society, 501(3), 3847-3870.
- Processing GOTO survey data with the Rubin Observatory LSST Science Pipelines II: Forced Photometry and lightcurves. Publications of the Astronomical Society of Australia, 38. View this article in WRRO
- Astrophysical entomology: dissecting the black widow population through multi-band light curve modelling. Proceedings of the International Astronomical Union, 16(S363), 324-326.
- A systematic search of Zwicky Transient Facility data for ultracompact binary LISA-detectable gravitational-wave sources. The Astrophysical Journal, 905(1). View this article in WRRO
- Discovery of a gamma-ray black widow pulsar by GPU-accelerated Einstein@Home. The Astrophysical Journal, 902(2). View this article in WRRO
- Monitoring Neptune's atmosphere with small and large telescopes: results for 2019.
- A new class of Roche lobe–filling hot subdwarf binaries. Astrophysical Journal Letters, 898(1).
- Optical, X-ray, and γ-ray observations of the candidate transitional millisecond pulsar 4FGL J0427.8-6704. Monthly Notices of the Royal Astronomical Society, 494(3), 3912-3926.
- First measurement of the total gravitational quadrupole moment of a black widow companion. Monthly Notices of the Royal Astronomical Society, 494(3), 4448-4453.
- Monitoring Neptune's atmosphere with a combination of small and large telescopes.
- A pulsating white dwarf in an eclipsing binary. Nature Astronomy. View this article in WRRO
- An ultra-massive white dwarf with a mixed hydrogen–carbon atmosphere as a likely merger remnant. Nature Astronomy. View this article in WRRO
- The first ultracompact Roche lobe–filling hot subdwarf binary. The Astrophysical Journal, 891(1). View this article in WRRO
- Fast quasi-periodic oscillations in the eclipsing polar VV Puppis from VLT and XMM-Newton observations. Astronomy & Astrophysics, 633.
- Full orbital solution for the binary system in the northern Galactic disc microlensing event Gaia16aye. Astronomy & Astrophysics, 633(January 2020).
- The Gravitational-wave Optical Transient Observer (GOTO). Ground-based and Airborne Telescopes VIII.
- Developing the GOTO telescope control system. Software and Cyberinfrastructure for Astronomy VI.
- Observational constraints on the optical and near-infrared emission from the neutron star–black hole binary merger candidate S190814bv. Astronomy & Astrophysics, 643, A113-A113. View this article in WRRO
- The pre-He white dwarf in the post-mass transfer binary EL CVn. The Astronomical Journal, 159(1). View this article in WRRO
- Atmospheric scintillation noise in ground-based exoplanet photometry. Monthly Notices of the Royal Astronomical Society, 489(4), 5098-5108. View this article in WRRO
- A black hole x-ray binary at ∼100 Hz : multiwavelength timing of MAXI J1820+070 with HiPERCAM and NICER. Monthly Notices of the Royal Astronomical Society: Letters. View this article in WRRO
- Short-period variable stars in young open cluster Stock 8. The Astronomical Journal, 158(2). View this article in WRRO
- Optical and X-ray correlations during the 2015 outburst of the black hole V404 Cyg. Monthly Notices of the Royal Astronomical Society, 487(1), 60-78. View this article in WRRO
- The evolutionary status of Cataclysmic Variables: Eclipse modelling of 15 systems. Monthly Notices of the Royal Astronomical Society, 486(4), 5535-5551. View this article in WRRO
- Puzzling blue dips in the black hole candidate Swift J1357.2−0933, from ULTRACAM, SALT, ATCA, Swift and NuSTAR. Monthly Notices of the Royal Astronomical Society. View this article in WRRO
- Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988–2016. Astronomy and Astrophysics, 625, 1-21. View this article in WRRO
- The PDS 110 observing campaign – photometric and spectroscopic observations reveal eclipses are aperiodic. Monthly Notices of the Royal Astronomical Society, 485(2), 1614-1625. View this article in WRRO
- The Type II-plateau Supernova 2017eaw in NGC 6946 and Its Red Supergiant Progenitor. The Astrophysical Journal, 875(2). View this article in WRRO
- Accurate mass and radius determinations of a cool subdwarf in an eclipsing binary. Nature Astronomy, 3, 553-560. View this article in WRRO
- Evidence for mass accretion driven by spiral shocks onto the white dwarf in SDSS J123813.73–033933.0. Monthly Notices of the Royal Astronomical Society, 483(1), 1080-1103. View this article in WRRO
- Fourier time lags in the dwarf nova SS Cygni. Monthly Notices of the Royal Astronomical Society, 481(2), 2140-2147. View this article in WRRO
- Pulsations and eclipse-time analysis of HW Vir. Monthly Notices of the Royal Astronomical Society, 481(2), 2721-2735. View this article in WRRO
- The scatter of the M dwarf mass–radius relationship. Monthly Notices of the Royal Astronomical Society, 481(1), 1083-1096. View this article in WRRO
- Rotational variation of the linear polarisation of the asteroid (3200) Phaethon as evidence for inhomogeneity in its surface properties. Monthly Notices of the Royal Astronomical Society: Letters. View this article in WRRO
- Discovery of an old nova shell surrounding the cataclysmic variable V1315 Aql. Monthly Notices of the Royal Astronomical Society, 477(4), 4483-4490. View this article in WRRO
- Flickering in AGB stars: probing the nature of accreting companions. Monthly Notices of the Royal Astronomical Society, 477(3), 4200-4212. View this article in WRRO
- A 15.7-minAM CVn binary discovered in K2. Monthly Notices of the Royal Astronomical Society, 477(4), 5646-5656. View this article in WRRO
- Erratum for the Report “A precise measurement of the magnetic field in the corona of the black hole binary V404 Cygni” by Y. Dallilar, S. S. Eikenberry, A. Garner, R. D. Stelter, A. Gottlieb, P. Gandhi, P. Casella, V. S. Dhillon, T. R. Marsh, S. P. Littlefair, L. Hardy, R. Fender, K. Mooley, D. J. Walton, F. Fuerst, M. Bachetti, A. J. Castro-Tirado, M. Charcos, M. L. Edwards, N. M. Lasso-Cabrera, A. Marin-Franch, S. N. Raines, K. Ackley, J. G. Bennett, A. J. Cenarro, B. Chinn, H. V. Donoso, R. Frommeyer, K. Hanna, M. D. Herlevich, J. Julian, P. Miller, S. Mullin, C. H. Murphey, C. Packham, F. Varosi, C. Vega, C. Warner, A. N. Ramaprakash, M. Burse, S. Punnadi, P. Chordia, A. Gerarts, H. de Paz Martín, M. Martín Calero, R. Scarpa, S. Fernandez Acosta, W. M. Hernández Sánchez, B. Siegel, F. Francisco Pérez, H. D. Viera Martín, J. A. Rodríguez Losada, A. Nuñez, Á. Tejero, C. E. Martín González, C. Cabrera Rodríguez, J. Molgó, J. Esteban Rodriguez, J. I. Fernández Cáceres, L. A. Rodríguez García, M. Huertas Lopez, R. Dominguez, T. Gaggstatter, A. Cabrera Lavers, S. Geier, P. Pessev, A. Sarajedini. Science, 360(6386), eaat9270-eaat9270. View this article in WRRO
- Three years of ULTRASPEC at the Thai 2.4-m telescope: Capabilities and scientific highlights. Bulletin de la Société Royale des Sciences de Liège, 102-107.
- The sdB pulsating star V391 Peg and its putative giant planet revisited after 13 years of time-series photometric data. Astronomy & Astrophysics, 611, A85-A85. View this article in WRRO
- High-Speed Photometry of Gaia14aae: An Eclipsing AM CVn That Challenges Formation Models. Monthly Notices of the Royal Astronomical Society. View this article in WRRO
- Spectroscopic and Photometric Analysis of the HW Vir Star PTF1 J011339.09+225739.1. Open Astronomy, 27(1), 80-90. View this article in WRRO
- 280 one-opposition near-Earth asteroids recovered by the EURONEAR with the Isaac Newton Telescope. Astronomy & Astrophysics, 609. View this article in WRRO
- A telescope control and scheduling system for the Gravitational-wave Optical Transient Observer (GOTO). Observatory Operations: Strategies, Processes, and Systems VII. View this article in WRRO
- Detection of a 23.6 min periodic modulation in the optical counterpart of 3XMMJ051034.6–670353. Astronomy & Astrophysics, 617, A88-A88. View this article in WRRO
- The SUrvey for Pulsars and Extragalactic Radio Bursts – II. New FRB discoveries and their follow-up. Monthly Notices of the Royal Astronomical Society, 475(2), 1427-1446. View this article in WRRO
- A precise measurement of the magnetic field in the corona of the black hole binary V404 Cygni. Science, 358(6368), 1299-1302. View this article in WRRO
- A search for optical bursts from the repeating fast radio burst FRB 121102. Monthly Notices of the Royal Astronomical Society, 472(3), 2800-2807. View this article in WRRO
- An elevation of 0.1 light-seconds for the optical jet base in an accreting Galactic black hole system. Nature Astronomy, 1(12), 859-864. View this article in WRRO
- Testing the white dwarf mass-radius relationship with eclipsing binaries. Monthly Notices of the Royal Astronomical Society, 470(4), 4473-4492. View this article in WRRO
- Two white dwarfs in ultrashort binaries with detached, eclipsing, likely sub-stellar companions detected by K2. Monthly Notices of the Royal Astronomical Society, 471(1), 976-986. View this article in WRRO
- A polarized fast radio burst at low Galactic latitude. Monthly Notices of the Royal Astronomical Society, 469(4), 4465-4482. View this article in WRRO
- SS Cancri: the shortest modulation-period Blazhko RR Lyrae. Information Bulletin on Variable Stars, 63(6213). View this article in WRRO
- SDSS J105754.25+275947.5: a period-bounce eclipsing cataclysmic variable with the lowest-mass donor yet measured. Monthly Notices of the Royal Astronomical Society, 467(1), 1024-1032. View this article in WRRO
- Once in a blue moon: detection of ‘bluing’ during debris transits in the white dwarf WD 1145+017. Monthly Notices of the Royal Astronomical Society, 3, 3213-3224.. View this article in WRRO
- A VLT-ULTRACAM study of the fast optical quasi-periodic oscillations in the polar V834 Centauri. Astronomy & Astrophysics, 600. View this article in WRRO
- PTF1 J085713+331843, a new post-common-envelope binary in the orbital period gap of cataclysmic variables. Monthly Notices of the Royal Astronomical Society, 468(3), 3109-3122. View this article in WRRO
- Flares, wind and nebulae: the 2015 December mini-outburst of V404 Cygni. Monthly Notices of the Royal Astronomical Society: Letters, 465(1), L124-L128. View this article in WRRO
- PTF1 J082340.04+081936.5: A Hot Subdwarf B Star with a Low-mass White Dwarf Companion in an 87-minute Orbit. The Astrophysical Journal, 835(2). View this article in WRRO
- Evidence of asymmetries in the Aldebaran photosphere from multiwavelength lunar occultations. Monthly Notices of the Royal Astronomical Society, 464(1), 231-236. View this article in WRRO
- Transit timing variation and transmission spectroscopy analyses of the hot Neptune GJ3470b. Monthly Notices of the Royal Astronomical Society, 463(3), 2574-2582. View this article in WRRO
- Transmission spectroscopy of the inflated exoplanet WASP-52b, and evidence for a bright region on the stellar surface. Monthly Notices of the Royal Astronomical Society, 463(3), 2922-2931. View this article in WRRO
- Hunting For Eclipses: High Speed Observations of Cataclysmic Variables. Monthly Notices of the Royal Astronomical Society. View this article in WRRO
- Broad-band spectrophotometry of HAT-P-32 b: search for a scattering signature in the planetary spectrum. Monthly Notices of the Royal Astronomical Society, 463(1), 604-614. View this article in WRRO
- The OmegaWhite Survey for short period variable stars – II. An overview of results from the first four years. Monthly Notices of the Royal Astronomical Society, 463(1), 1099-1116. View this article in WRRO
- Long-term photometry of IC 348 with the Young Exoplanet Transit Initiative network. Monthly Notices of the Royal Astronomical Society, 462(3), 2396-2417. View this article in WRRO
- Using Gaussian processes to model light curves in the presence of flickering: the eclipsing cataclysmic variable ASASSN-14ag. Monthly Notices of the Royal Astronomical Society, 464(2), 1353-1364. View this article in WRRO
- Long-term eclipse timing of white dwarf binaries: an observational hint of a magnetic mechanism at work. Monthly Notices of the Royal Astronomical Society, 460(4), 3873-3887. View this article in WRRO
- HiPERCAM: A high-speed quintuple-beam CCD camera for the study of rapid variability in the universe. Proceedings of SPIE. View this article in WRRO
- A radio-pulsing white dwarf binary star. Nature, 537, 374-377. View this article in WRRO
- Roche tomography of cataclysmic variables – VII. The long-term magnetic activity of AE Aqr. Monthly Notices of the Royal Astronomical Society, 459(2), 1858-1874. View this article in WRRO
- Furiously fast and red: sub-second optical flaring in V404 Cyg during the 2015 outburst peak. Monthly Notices of the Royal Astronomical Society, 459(1), 554-572. View this article in WRRO
- An irradiated brown-dwarf companion to an accreting white dwarf. Nature, 533(7603), 366-368. View this article in WRRO
- Pulsating hot O subdwarfs in ω Centauri: mapping a unique instability strip on the extreme horizontal branch. Astronomy & Astrophysics, 589. View this article in WRRO
- M DWARF FLARE CONTINUUM VARIATIONS ON ONE-SECOND TIMESCALES: CALIBRATING AND MODELING OF ULTRACAM FLARE COLOR INDICES. The Astrophysical Journal, 820(2), 95-95.
- The crowded magnetosphere of the post-common-envelope binary QS Virginis. Monthly Notices of the Royal Astronomical Society, 458(3), 2793-2812. View this article in WRRO
- A large, long-lived structure near the trojan L5 point in the post common-envelope binary SDSS J1021+1744. Monthly Notices of the Royal Astronomical Society, 456(3), 2446-2456. View this article in WRRO
- Search for transiting exoplanets and variable stars in the open cluster NGC 7243. Astronomische Nachrichten, 337(3), 261-285.
- Broad-band spectrophotometry of the hot Jupiter HAT-P-12b from the near-UV to the near-IR. Astronomy & Astrophysics, 583, A138-A138.
- Accretion-induced variability links young stellar objects, white dwarfs, and black holes. Science Advances, 1(9). View this article in WRRO
- FOLLOW-UP PHOTOMETRY OF TWO NEW ECLIPSING PCEBs FROM THE SLOAN DIGITAL SKY SURVEY. Publications of The Korean Astronomical Society, 30(2), 217-218.
- THE NEW ECLIPSING POST COMMON-ENVELOPE BINARY SDSS J074548.63+263123.4. Publications of The Korean Astronomical Society, 30(2), 201-204.
- NALYSIS OF THE ECLIPSING BINARY SDSS J1021+1744: A WDMS SYSTEM WITH UNUSUAL DIPS. Publications of The Korean Astronomical Society, 30(2), 219-221.
- pt5m– a 0.5 m robotic telescope on La Palma. Monthly Notices of the Royal Astronomical Society, 454(4), 4316-4325. View this article in WRRO
- The binary millisecond pulsar PSR J1023+0038 during its accretion state – I. Optical variability. Monthly Notices of the Royal Astronomical Society, 453(4), 3462-3474. View this article in WRRO
- Total eclipse of the heart: the AM CVn Gaia14aae/ASSASN-14cn. Monthly Notices of the Royal Astronomical Society, 452(1), 1060-1067. View this article in WRRO
- Dynamical masses of a nova-like variable on the edge of the period gap. Monthly Notices of the Royal Astronomical Society, 452(1), 146-157. View this article in WRRO
- Searching for nova shells around cataclysmic variables. Monthly Notices of the Royal Astronomical Society, 451(3), 2863-2876. View this article in WRRO
- 14 new eclipsing white dwarf plus main-sequence binaries from the SDSS and Catalina surveys. Monthly Notices of the Royal Astronomical Society, 449(2), 2194-2204. View this article in WRRO
- PHL 1445: an eclipsing cataclysmic variable with a substellar donor near the period minimum. Monthly Notices of the Royal Astronomical Society, 451(1), 114-125. View this article in WRRO
- First EURONEAR NEA discoveries from La Palma using the INT★. Monthly Notices of the Royal Astronomical Society, 449(2), 1614-1624. View this article in WRRO
- Discovery of ZZ Cetis in detached white dwarf plus main-sequence binaries. Monthly Notices of the Royal Astronomical Society, 447(1), 691-697. View this article in WRRO
- Erratum: ULTRASPEC: a high-speed imaging photometer on the 2.4-m Thai National Telescope. Monthly Notices of the Royal Astronomical Society, 446(3), 2870-2870.
- A double white dwarf with a paradoxical origin?. Monthly Notices of the Royal Astronomical Society, 450(4), 3966-3974. View this article in WRRO
- Atmospheric scintillation in astronomical photometry. Monthly Notices of the Royal Astronomical Society, 452(2), 1707-1716. View this article in WRRO
- Defocused transmission spectroscopy: a potential detection of sodium in the atmosphere of WASP-12b. Monthly Notices of the Royal Astronomical Society, 446(1), 1071-1082. View this article in WRRO
- The substellar companion in the eclipsing white dwarf binary SDSS J141126.20+200911.1. Monthly Notices of the Royal Astronomical Society, 445(2), 2106-2115. View this article in WRRO
- WASP 1628+10 – an EL CVn-type binary with a very low mass stripped red giant star and multiperiodic pulsations. Monthly Notices of the Royal Astronomical Society, 444(1), 208-216. View this article in WRRO
- Roche tomography of cataclysmic variables – VI. Differential rotation of AE Aqr – not tidally locked!. Monthly Notices of the Royal Astronomical Society, 444(1), 192-207. View this article in WRRO
- Testing the planetary models of HU Aquarii. Monthly Notices of the Royal Astronomical Society, 445(2), 1924-1931. View this article in WRRO
- ULTRASPEC: a high-speed imaging photometer on the 2.4-m Thai National Telescope. Monthly Notices of the Royal Astronomical Society, 444(4), 4009-4021. View this article in WRRO
- Heavy metals in a light white dwarf: abundances of the metal-rich, extremely low-mass GALEX J1717+6757. Monthly Notices of the Royal Astronomical Society, 444(2), 1674-1682. View this article in WRRO
- A parameter study of the eclipsing CV in the Kepler field, KIS J192748.53+444724.5. Monthly Notices of the Royal Astronomical Society, 443(1), 718-724. View this article in WRRO
- The spotty donor star in the X-ray transient Cen X-4. Monthly Notices of the Royal Astronomical Society, 440(1), 504-513. View this article in WRRO
- A search for photometric variability towards M71 with the near-infrared transiting exoplanets telescope. Monthly Notices of the Royal Astronomical Society, 438(4), 3383-3398. View this article in WRRO
- FIRST SEARCHES FOR OPTICAL COUNTERPARTS TO GRAVITATIONAL-WAVE CANDIDATE EVENTS. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 211(1).
- Stereo-SCIDAR: Optical turbulence profiling with high sensitivity using a modified SCIDAR instrument. Monthly Notices of the Royal Astronomical Society, 437(4), 3568-3577. View this article in WRRO
- Stellar occultation by (119951) 2002 KX14on April 26, 2012. Astronomy & Astrophysics, 571, A48-A48.
- An exploration of Pluto's environment through stellar occultations. Astronomy and Astrophysics, 561.
- The planets around NN serpentis: Still there. Monthly Notices of the Royal Astronomical Society, 437(1), 475-488. View this article in WRRO
- Large-scale image processing with the ROTSE pipeline for follow-up of gravitational wave events. Astrophysical Journal, Supplement Series, 209(2).
- Evidence for quiescent synchrotron emission in the black hole X-ray transient Swift J1357.2-0933. Monthly Notices of the Royal Astronomical Society, 434(3), 2696-2706. View this article in WRRO
- Hot DAVs: a probable new class of pulsating white dwarf stars. mnras, 432, 1632-1639-1632-1639. View this article in WRRO
- Discovery of fourier-dependent time lags in cataclysmic variables. Monthly Notices of the Royal Astronomical Society, 431(3), 2535-2541. View this article in WRRO
- A massive pulsar in a compact relativistic binary. Science, 340(6131), 448.
- Erratum to: A survey of hot subdwarf pulsators in ω Cen. EPJ Web of Conferences, 43, 04009-04009.
- Multi-periodic pulsations of a stripped red-giant star in an eclipsing binary system. Nature, 498(7455), 463-465.
- The SW sex enigma. Monthly Notices of the Royal Astronomical Society, 428(4), 3559-3568. View this article in WRRO
- A survey of hot subdwarf pulsators in ω Cen. EPJ Web of Conferences, 43.
- Ground-based exploration of the outer solar system by serendipitous stellar occultations. Monthly Notices of the Royal Astronomical Society, 428(3), 2661-2667. View this article in WRRO
- The mass of the white dwarf in the recurrent nova CI aquilae. Proceedings of the International Astronomical Union, 7(S281), 193-194.
- Albedo and atmospheric constraints of dwarf planet Makemake from a stellar occultation.. Nature, 491(7425), 566-569.
- Wide-band simultaneous observations of pulsars: Disentangling dispersion measure and profile variations. Astronomy and Astrophysics, 543.
- The shortest period detached white dwarf + main-sequence binary. Monthly Notices of the Royal Astronomical Society, 419(1), 304-313. View this article in WRRO
- A search for optical bursts from the rotating radio transient J1819-1458 with ULTRACAM - II. Simultaneous ULTRACAM-Lovell telescope observations. Monthly Notices of the Royal Astronomical Society, 414(4), 3627-3632. View this article in WRRO
- Cataclysmic variables below the period gap: Mass determinations of 14 eclipsing systems. Monthly Notices of the Royal Astronomical Society, 415(3), 2025-2041. View this article in WRRO
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- The Gravitational-wave Optical Transient Observer (GOTO): prototype performance and prospects for transient science.
- The return of the spin period in DW Cnc and evidence of new high state outbursts. Monthly Notices of the Royal Astronomical Society.
- Searching for nova shells around cataclysmic variables - II. A second campaign.. Monthly Notices of the Royal Astronomical Society. View this article in WRRO
Chapters
- HTRA Instrumentation II, HIGH TIME-RESOLUTION ASTROPHYSICS (pp. 67-96).
- Ukirt IR Spectra of the Microquasar GRS 1915+105, Microquasars (pp. 35-38). Springer Netherlands
- Low Mass White Dwarfs in Binaries, Cataclysmic Variables and Related Objects (pp. 465-468). Springer Netherlands
- Roche Tomography of the Cool Star in IP Peg, Cataclysmic Variables and Related Objects (pp. 21-24). Springer Netherlands
- The Nova-Like Variables, Cataclysmic Variables and Related Objects (pp. 3-12). Springer Netherlands
- Spectropolarimetry of V1315 Aql, Cataclysmic Variables (pp. 125-128). Springer Netherlands
Conference proceedings papers
- The Gravitational-wave Optical Transient Observer (GOTO). Ground-based and Airborne Telescopes X (pp 71-71), 16 June 2024 - 22 June 2024.
- GERry: A code to optimise the hunt for the electromagnetic counter-parts to gravitational wave events. Observatory Operations: Strategies, Processes, and Systems X, 16 June 2024 - 22 June 2024.
- Representing Source Movement in Sequences of Telescopic Images Based on Contrastive Learning for Asteroid Detection. 2023 27th International Computer Science and Engineering Conference (ICSEC), 14 September 2023 - 15 September 2023.
- The Gravitational-wave Optical Transient Observer (GOTO). Ground-based and Airborne Telescopes IX, 17 July 2022 - 23 July 2022.
- GATOS: A fast multi-channel imager and spectrograph for the Gran Telescopio Canarias. Ground-based and Airborne Instrumentation for Astronomy VIII, 14 December 2020 - 18 December 2020.
- Circumbinary planet study around NSVS 14256825. Journal of Physics: Conference Series, Vol. 1380. Songkhla, Thailand, 6 June 2019 - 7 June 2019. View this article in WRRO
- Thai national telescope studies of ultraluminous X-ray sources. Journal of Physics: Conference Series, Vol. 1380. Songkhla, Thailand, 6 June 2019 - 7 June 2019. View this article in WRRO
- Configuration of readout electronics and data acquisition for the HiPERCAM instrument. Proceedings of SPIE, Vol. 10709, 10 June 2018 - 15 June 2018. View this article in WRRO
- First light with HiPERCAM on the GTC. Proceedings of SPIE, Vol. 10702, 10 June 2018 - 15 June 2018. View this article in WRRO
- View this article in WRRO Gaia14aae: the first fully-eclipsing AM CVn. 20th European Workshop on White Dwarfs (EuroWD16), Vol. 509 (pp 567-570), 25 July 2016 - 29 July 2016.
- Stellar Archaeology with Gaia: The Galactic White Dwarf Population. MULTI-OBJECT SPECTROSCOPY IN THE NEXT DECADE: BIG QUESTIONS, LARGE SURVEYS, AND WIDE FIELDS, Vol. 507 (pp 159-164)
- A Detailed Study of CSS 41177: an Eclipsing Double White Dwarf. 19TH EUROPEAN WORKSHOP ON WHITE DWARFS, Vol. 493 (pp 313-318)
- Progress on the prevention of stray light and diffraction effects on the Thai National Telescope. Optical Systems Design 2015: Optical Design and Engineering VI
- Scintillation Noise in Exoplanet Transit Photometry. Journal of Physics: Conference Series, Vol. 595 (pp 012010-012010)
- View this article in WRRO Finding Compact Hot Subdwarf Binaries in the Galactic Disc. 6TH CONFERENCE ON HOT SUBDWARF STARS AND RELATED OBJECTS, Vol. 481 (pp 293-300)
- Stereo SCIDAR: Profiling atmospheric optical turbulence with improved altitude resolution. 3rd AO4ELT Conference - Adaptive Optics for Extremely Large Telescopes
- Evidence for quiescent synchrotron emission in the black hole X-ray transient Swift J1357.2-0933. EPJ Web of Conferences, Vol. 61
- Multiple Myeloma Care in the Community Setting by Utilizing Progressive Clinical Care Pathways. Blood, Vol. 120(21) (pp 5053-5053)
- Pulsational Mode Identification Based on Chromatic Amplitude Behaviour: Recent Results for Rapidly Oscillating Subdwarf B Stars. PROGRESS IN SOLAR/STELLAR PHYSICS WITH HELIO- AND ASTEROSEISMOLOGY, Vol. 462 (pp 232-+)
- A Study of the Newly Discovered Rapid sdO Pulsators in ω Centauri. FIFTH MEETING ON HOT SUBDWARF STARS AND RELATED OBJECTS, Vol. 452 (pp 241-250)
- View this article in WRRO White Light Flare Continuum Observations with ULTRACAM. 16TH CAMBRIDGE WORKSHOP ON COOL STARS, STELLAR SYSTEMS AND THE SUN, Vol. 448 (pp E1157-E1164)
- Biologically inspired robotic microswimmers. 2011 IEEE 37th Annual Northeast Bioengineering Conference (NEBEC), 1 April 2011 - 3 April 2011.
- The Planets around the post-Common Envelope Binary NN Serpentis. PLANETARY SYSTEMS BEYOND THE MAIN SEQUENCE: Proceedings of the International Conference
- ULTRACAM observations of SDSS J0926+3624: The first known eclipsing AM CVn star. Proceedings of High Time Resolution Astrophysics (HTRA) IV - The Era of Extremely Large Telescopes — PoS(HTRA-IV), 5 May 2010.
- Physical properties of IP Pegasi: an eclipsing dwarf nova with an unusually cool white dwarf. Proceedings of High Time Resolution Astrophysics (HTRA) IV - The Era of Extremely Large Telescopes — PoS(HTRA-IV), 5 May 2010.
- Mapping LMXBs with reprocessed X-ray bursts. Proceedings of Science, Vol. 108
- High Time Resolution Astrophysics in the Extremely Large Telescope Era : White Paper. Proceedings of Science, Vol. 108
- Evidence for planets orbiting the post-common envelope binary NN Serpentis. 17TH EUROPEAN WHITE DWARF WORKSHOP
- Multisite multicolour photometric observations of the nonradially pulsating SdB star Balloon 090100001: A white light frequency analysis. HOT SUBDWARF STARS AND RELATED OBJECTS, Vol. 392 (pp 293-+)
- Bowen blend echo-tomography of Sco X-1 and V801 Ara. POPULATION EXPLOSION: THE NATURE AND EVOLUTION OF X-RAY BINARIES IN DIVERSE ENVIRONMENTS, Vol. 1010 (pp 207-+)
- On the orbital period of the magnetic cataclysmic variable HU Aquarii. UNIVERSE AT SUB-SECOND TIMESCALES: HIGH TIME RESOLUTION ASTROPHYSICS, Vol. 984 (pp 264-267)
- ULTRACAM observations of two CV pulsators. HYDROGEN-DEFICIENT STARS, Vol. 391 (pp 289-+)
- Bowen blend echo-tomography of low mass X-ray binaries. UNIVERSE AT SUB-SECOND TIMESCALES: HIGH TIME RESOLUTION ASTROPHYSICS, Vol. 984 (pp 15-22)
- On the evolutionary status of short period cataclysmic variables. UNIVERSE AT SUB-SECOND TIMESCALES: HIGH TIME RESOLUTION ASTROPHYSICS, Vol. 984 (pp 23-31)
- ULTRASPEC: High-speed spectroscopy with zero readout noise. UNIVERSE AT SUB-SECOND TIMESCALES: HIGH TIME RESOLUTION ASTROPHYSICS, Vol. 984 (pp 132-139)
- ULTRACAM: An ultra-fast, triple-beam CCD camera for high-speed astrophysics. HIGH TIME RESOLUTION ASTROPHYSICS, Vol. 351 (pp 133-152)
- Search for p-mode pulsations in DA white dwarfs with VLT-ULTRACAM. 15TH EUROPEAN WORKSHOP ON WHITE DWARFS, PROCEEDINGS, Vol. 372 (pp 593-+)
- View this article in WRRO SDSS J0926+3624, the first eclipsing AM CVn star, as seen with ULTRACAM. 15TH EUROPEAN WORKSHOP ON WHITE DWARFS, PROCEEDINGS, Vol. 372 (pp 431-+)
- The nature of the close magnetic white dwarf plus probable brown dwarf SDSS J121209.31+013627.7. 15TH EUROPEAN WORKSHOP ON WHITE DWARFS, PROCEEDINGS, Vol. 372 (pp 477-482)
- Photometry of V407 Vul and RXJ0806.3+1527: Twin systems ?. MULTICOLORED LANDSCAPE OF COMPACT OBJECTS AND THEIR EXPLOSIVE ORIGINS, Vol. 924 (pp 873-876)
- DE CVn: A bright, eclipsing red dwarf - White dwarf binary. Proceedings of the International Astronomical Union, Vol. 2(S240) (pp 105-108)
- XMM monitoring of the eclipsing polar HU aquarii. Proceedings of the X-ray Universe 2005, Vols 1 and 2, Vol. 604 (pp 295-296)
- The high-speed camera ULTRACAM. Recent Advances in Astronomy and Astrophysics, Vol. 848 (pp 808-809)
- Ultracam photometry of pulsating subdwarf B stars. BALTIC ASTRONOMY, Vol. 15(2) (pp 259-268)
- High-speed ultracam colorimetry of the subdwarf B star SDSS J171722.08+58055.8. BALTIC ASTRONOMY, Vol. 15(2) (pp 275-278)
- Intensity oscillations during a flare on EQ PEG. Proceedings of the 13th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun - Proceedings, Vols 1 and 2, Vol. 560 (pp 803-805)
- Echo tomography of Sco X-1 using Bowen fluorescence lines. Interacting Binaries: Accretion, Evolution, and Outcomes, Vol. 797 (pp 365-370)
- Mode identification in pulsating sdB stars frorn ULTRACAM observations. 14th European Workshop on White Dwarfs, Proceedings, Vol. 334 (pp 536-536)
- ULTRACAM photometry of the ultra-compact binary V407 Vul. Astrophysics of Cataclysmic Variables and Related Objects, Vol. 330 (pp 507-508)
- An IR study of the eclipsing dwarf nova IP Pegasi. Astrophysics of Cataclysmic Variables and Related Objects, Vol. 330 (pp 369-370)
- ULTRACAM observations of the braking rate of the pre-CV NN Ser. Astrophysics of Cataclysmic Variables and Related Objects, Vol. 330 (pp 329-330)
- Roche tomography of the secondary stars in CVs. ASTRONOMISCHE NACHRICHTEN, Vol. 325(3) (pp 189-192)
- View this article in WRRO ULTRACAM - an ultra-fast, triple-beam CCD camera. The Physics of Cataclysmic Variables and Related Objects, Vol. 261 (pp 672-673), 5 August 2001 - 10 August 2001.
- The ultracam camera control and data acquisition system. Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4848 (pp 218-229)
- ULTRACAM - studying astrophysics on the fastest timescales. NEW ASTRONOMY REVIEWS, Vol. 45(1-2) (pp 91-95)
- UKIRT IR spectra of the microquasar GRS 1915+105. ASTROPHYSICS AND SPACE SCIENCE, Vol. 276 (pp 35-38)
- WD 0710+741, lessons from a red-dwarf/white-dwarf binary.. 11TH EUROPEAN WORKSHOP ON WHITE DWARFS, Vol. 169 (pp 301-304)
- Observations of the polar ST Leonis Minoris during an extreme low state: Identification of the secondary star. ANNAPOLIS WORKSHOP ON MAGNETIC CATACLYSMIC VARIABLES, Vol. 157 (pp 146-148)
- On the nature of SW Sex. WILD STARS IN THE OLD WEST, Vol. 137 (pp 556-557)
- The mass of the white dwarf in the old nova BT Mon. WILD STARS IN THE OLD WEST, Vol. 137 (pp 477-478)
- Infrared observations of cataclysmic variables. WILD STARS IN THE OLD WEST, Vol. 137 (pp 132-145)
- Low Mass White Dwarfs in Binaries. International Astronomical Union Colloquium, Vol. 158 (pp 465-468)
- Temperature structure of the disk in V1315 Aql. CATACLYSMIC VARIABLES AND RELATED OBJECTS, Vol. 208 (pp 15-16)
- Roche tomography of the cool star in IP Peg. CATACLYSMIC VARIABLES AND RELATED OBJECTS, Vol. 208 (pp 21-24)
- Evidence for curtain accretion in the SW Sextantis stars?. CAPE WORKSHOP ON MAGNETIC CATACLYSMIC VARIABLES, Vol. 85 (pp 213-214)
- Spectropolarimetry of V1315 Aql - An attempt to explain the SW sex phenomenon. CATACLYSMIC VARIABLES, Vol. 205 (pp 125-128)
- SPECTROPOLARIMETRY OF RW-TRIANGULI. VINA DEL MAR WORKSHOP ON CATACLYSMIC VARIABLE STARS, Vol. 29 (pp 394-394)
- OBSERVATIONS OF SU UMA THROUGH SEVERAL OUTBURSTS. VINA DEL MAR WORKSHOP ON CATACLYSMIC VARIABLE STARS, Vol. 29 (pp 148-152)
Theses / Dissertations
- A telescope control and scheduling system for the Gravitational-wave Optical Transient Observer (GOTO).
Preprints
- Short-term variability of the transitional pulsar candidate CXOU J110926.4-650224 from X-rays to infrared, arXiv.
- X-ray and optical observations of the millisecond pulsar binary PSRJ1431-4715, arXiv.
- Analysis of optical spectroscopy and photometry of the type I X-ray bursting system UW CrB, arXiv.
- The frequency of transiting planetary systems around polluted white dwarfs, arXiv.
- GERry: A Code to Optimise the Hunt for the Electromagnetic Counter-parts to Gravitational Wave Events, arXiv.
- The Gravitational-wave Optical Transient Observer (GOTO), arXiv.
- The Orbit and Companion of PSR J1622-0315: Variable Asymmetry and a Massive Neutron Star, arXiv.
- $textit{Kilonova Seekers}$: the GOTO project for real-time citizen science in time-domain astrophysics, arXiv.
- The fast X-ray transient EP240315a: a z ~ 5 gamma-ray burst in a Lyman continuum leaking galaxy.
- Long-term variability in debris transiting white dwarfs, arXiv.
- A Survey for Radio Emission from White Dwarfs in the VLA Sky Survey, arXiv.
- The double low-mass white dwarf eclipsing binary system J2102-4145 and its possible evolution, arXiv.
- Mass estimates from optical modelling of the new TRAPUM redback PSR J1910-5320, arXiv.
- Minutes-duration Optical Flares with Supernova Luminosities.
- The donor star radial velocity curve in the cataclysmic variable GY Cnc confirms white dwarf eclipse modelling mass.
- Lens mass estimate in the Galactic disk extreme parallax microlensing event Gaia19dke, arXiv.
- A rotating white dwarf shows different compositions on its opposite faces, arXiv.
- An Eclipsing 47 minute Double White Dwarf Binary at 400 pc, arXiv.
- JWST detection of heavy neutron capture elements in a compact object merger, Research Square Platform LLC.
- JWST detection of heavy neutron capture elements in a compact object merger, arXiv.
- X-ray properties of the white dwarf pulsar eRASSU J191213.9-441044, arXiv.
- GRB 201015A and the nature of low-luminosity soft gamma-ray bursts, arXiv.
- Revisiting the Transit Timing and Atmosphere Characterization of the Neptune-mass Planet HAT-P-26 b, arXiv.
- The Fast X-ray Transient XRT 210423 and its Host Galaxy, arXiv.
- Photometric follow-up of 43 new eclipsing white dwarf plus main-sequence binaries from the ZTF survey, arXiv.
- Neutron star mass estimates from gamma-ray eclipses in spider millisecond pulsar binaries, arXiv.
- A black widow population dissection through HiPERCAM multi-band light curve modelling, arXiv.
- A rapid optical and X-ray timing study of the neutron star X-ray binary Swift J1858.6-0814, arXiv.
- The TRAPUM L-band survey for pulsars in Fermi-LAT gamma-ray sources, arXiv.
- First detection of the outer edge of an AGN accretion disc: Very fast multiband optical variability of NGC 4395 with GTC/HiPERCAM and LT/IO:O, arXiv.
- Two decades of optical timing of the shortest-period binary star system HM Cancri, arXiv.
- A dense $mathbf{0.1 M_{rm odot}}$ star in a 51-minute orbital period eclipsing binary, arXiv.
- A rotating white dwarf with two faces, Research Square Platform LLC.
- Self-Supervised Clustering on Image-Subtracted Data with Deep-Embedded Self-Organizing Map, arXiv.
- The Gravitational-wave Optical Transient Observer (GOTO), arXiv.
- Multi-colour optical light curves of the companion star to the millisecond pulsar PSR J2051-0827.
- Long-term photometric monitoring and spectroscopy of the white dwarf pulsar AR Scorpii.
- Doubling of minute-long Quasi-Periodic Pulsations from super-flares on a low mass star, arXiv.
- A tentative 114-minute orbital period challenges the ultra-compact nature of the X-ray binary 4U 1812-12.
- A 62-minute orbital period black widow binary in a wide hierarchical triple, arXiv.
- Probing for the host galaxies of the fast X-ray transients XRT 000519 and XRT 110103, arXiv.
- Characterising eclipsing white dwarf M dwarf binaries from multi-band eclipse photometry, arXiv.
- Measuring the mass of the black widow PSR J1555-2908, arXiv.
- The post-common-envelope binary central star of the planetary nebula Ou 5: a doubly-eclipsing post-red-giant-branch system, arXiv.
- Searching for nova shells around cataclysmic variables -- II. A second campaign, arXiv.
- The return of the spin period in DW Cnc and evidence of new high state outbursts, arXiv.
- The SNIa Runaway LP 398-9: Detection of Circumstellar Material and Surface Rotation, arXiv.
- The Gravitational-wave Optical Transient Observer (GOTO): prototype performance and prospects for transient science, arXiv.
- Relentless and Complex Transits from a Planetesimal Debris Disk, arXiv.
- Optical detection of the rapidly spinning white dwarf in V1460 Her, arXiv.
- Searching For Fermi GRB Optical Counterparts With The Prototype Gravitational-Wave Optical Transient Observer (GOTO), arXiv.
- Found: a rapidly spinning white dwarf in LAMOST J024048.51+195226.9, arXiv.
- HiPERCAM: a quintuple-beam, high-speed optical imager on the 10.4-m Gran Telescopio Canarias, arXiv.
- Optical photometry of two transitional millisecond pulsars in the radio pulsar state, arXiv.
- System parameters of three short period cataclysmic variable stars, arXiv.
- Discovery and characterization of five new eclipsing AM CVn systems, arXiv.
- Gaia Photometric Science Alerts, arXiv.
- The Evolution of Rapid Optical/X-ray Timing Correlations in the Initial Hard State of MAXI J1820+070, arXiv.
- Light curve classification with recurrent neural networks for GOTO: dealing with imbalanced data, arXiv.
- Processing GOTO data with the Rubin Observatory LSST Science Pipelines II: Forced Photometry and light curves, arXiv.
- TransitFit: combined multi-instrument exoplanet transit fitting for JWST, HST and ground-based transmission spectroscopy studies, arXiv.
- Measuring fundamental jet properties with multi-wavelength fast timing of the black hole X-ray binary MAXI J1820+070, arXiv.
- Transient-optimised real-bogus classification with Bayesian Convolutional Neural Networks -- sifting the GOTO candidate stream, arXiv.
- Evidence that short period AM CVn systems are diverse in outburst behaviour, arXiv.
- Developing the GOTO telescope control system, arXiv.
- The Gravitational-wave Optical Transient Observer (GOTO), arXiv.
- A quantitative in-depth analysis of the prototype sdB+BD system SDSS J08205+0008 revisited in the Gaia era, arXiv.
- Processing GOTO data with the Rubin Observatory LSST Science Pipelines I : Production of coadded frames, arXiv.
- A systematic search of Zwicky Transient Facility data for ultracompact binary LISA-detectable gravitational-wave sources, arXiv.
- Discovery of a Gamma-ray Black Widow Pulsar by GPU-accelerated Einstein@Home, arXiv.
- Machine Learning for Transient Recognition in Difference Imaging With Minimum Sampling Effort, arXiv.
- Einstein@Home Discovery of the Gamma-ray Millisecond Pulsar PSR J2039-5617 Confirms Its Predicted Redback Nature, arXiv.
- A new class of Roche lobe-filling hot subdwarf binaries, arXiv.
- White Paper on MAAT@GTC, arXiv.
- WD1032+011, an inflated brown dwarf in an old eclipsing binary with a white dwarf, arXiv.
- Spectroscopic and Photometric Periods of Six Ultracompact Accreting Binaries, arXiv.
- First measurement of the total gravitational quadrupole moment of a black widow companion, arXiv.
- Searching for Electromagnetic Counterparts to Gravitational-wave Merger Events with the Prototype Gravitational-wave Optical Transient Observer (GOTO-4), arXiv.
- Optical, X-ray, and $gamma$-ray observations of the candidate transitional millisecond pulsar 4FGL J0427.8-6704, arXiv.
- A pulsating white dwarf in an eclipsing binary, arXiv.
- An ultra-massive white dwarf with a mixed hydrogen-carbon atmosphere as a likely merger remnant, arXiv.
- Observational constraints on the optical and near-infrared emission from the neutron star-black hole binary merger S190814bv, arXiv.
- The first ultracompact Roche lobe-filling hot subdwarf binary, arXiv.
- A Black Hole X-ray Binary at $sim$100 Hz: Multiwavelength Timing of MAXI J1820+070 with HiPERCAM and NICER, arXiv.
- Atmospheric Scintillation Noise in Ground-Based Exoplanet Photometry, arXiv.
- Short period variable stars in young open cluster Stock 8, arXiv.
- Fast quasi-periodic oscillations in the eclipsing polar VV Puppis from VLT and XMM-Newton observations, arXiv.
- Detection and timing of gamma-ray pulsations from the $707$ Hz pulsar J0952$-$0607, arXiv.
- Puzzling Blue Dips in the Black Hole Candidate Swift J1357.2-0933, from ULTRACAM, SALT, ATCA, Swift and NuSTAR, arXiv.
- Optical and X-ray Correlations During the 2015 Outburst of the Black Hole V404 Cyg, arXiv.
- The evolutionary status of Cataclysmic Variables: Eclipse modelling of 15 systems, arXiv.
- The Type II-Plateau Supernova 2017eaw in NGC 6946 and Its Red Supergiant Progenitor, arXiv.
- Accurate mass and radius determinations of a cool subdwarf in an eclipsing binary, arXiv.
- Pluto's lower atmosphere and pressure evolution from ground-based stellar occultations, 1988-2016, arXiv.
- The PDS 110 observing campaign - photometric and spectroscopic observations reveal eclipses are aperiodic, arXiv.
- Full orbital solution for the binary system in the northern Galactic disc microlensing event Gaia16aye, arXiv.
- Evidence for mass accretion driven by spiral shocks onto the white dwarf in SDSS J123813.73-033933.0, arXiv.
- A Large Ground-Based Observing Campaign of the Disintegrating Planet K2-22b, arXiv.
- Fourier time lags in the dwarf nova SS Cygni, arXiv.
- The scatter of the M dwarf mass-radius relationship, arXiv.
- Rotational variation of the linear polarisation of the asteroid (3200) Phaethon as evidence for inhomogeneity in its surface properties, arXiv.
- First light with HiPERCAM on the GTC, arXiv.
- Detection of a 23.6 min periodic modulation in the optical counterpart of 3XMMJ051034.6--670353, arXiv.
- A 15.7-Minute AM CVn Binary Discovered in K2, arXiv.
- Discovery of an old nova shell surrounding the cataclysmic variable V1315 Aql, arXiv.
- Flickering in AGB stars: Probing the nature of accreting companions, arXiv.
- High-Speed Photometry of Gaia14aae: An Eclipsing AM CVn That Challenges Formation Models, arXiv.
- The sdB pulsating star V391 Peg and its putative giant planet revisited after 13 years of time-series photometric data, arXiv.
- The SUrvey for Pulsars and Extragalactic Radio Bursts II: New FRB discoveries and their follow-up, arXiv.
- 280 one-opposition near-Earth asteroids recovered by the EURONEAR with the Isaac Newton Telescope, arXiv.
- An elevation of 0.1 light-seconds for the optical jet base in an accreting Galactic black hole system, arXiv.
- The OmegaWhite survey for short-period variable stars - V. Discovery of an ultracompact hot subdwarf binary with a compact companion in a 44 minute orbit, arXiv.
- A search for optical bursts from the repeating fast radio burst FRB 121102, arXiv.
- Testing the white dwarf mass-radius relationship with eclipsing binaries, arXiv.
- Two white dwarfs in ultrashort binaries with detached, eclipsing, likely substellar companions detected by K2, arXiv.
- A polarized fast radio burst at low Galactic latitude, arXiv.
- PTF1 J085713+331843, a new post common-envelope binary in the orbital period gap of cataclysmic variables, arXiv.
- Once in a blue moon: detection of 'bluing' during debris transits in the white dwarf WD1145+017, arXiv.
- SDSS J105754.25+275947.5: a period-bounce eclipsing cataclysmic variable with the lowest-mass donor yet measured, arXiv.
- A VLT-ULTRACAM study of the fast optical quasi-periodic oscillations in the polar V834 Centauri, arXiv.
- PTF1 J082340.04+081936.5: A hot subdwarf B star with a low mass white dwarf companion in an 87 minute orbit, arXiv.
- Hunting For Eclipses: High Speed Observations of Cataclysmic Variables, arXiv.
- Flares, wind and nebulae: the 2015 December mini-outburst of V404 Cygni, arXiv.
- Using Gaussian processes to model light curves in the presence of flickering: the eclipsing cataclysmic variable ASASSN-14ag, arXiv.
- Evidence of asymmetries in the Aldebaran photosphere from multi-wavelength lunar occultations, arXiv.
- Transmission spectroscopy of the inflated exoplanet WASP-52b, and evidence for a bright region on the stellar surface, arXiv.
- The OmegaWhite Survey for short period variable stars II: An overview of results from the first four years, arXiv.
- Broad-band spectrophotometry of HAT-P-32 b: Search for a scattering signature in the planetary spectrum, arXiv.
- A radio pulsing white dwarf binary star, arXiv.
- Long-Term Photometry of IC 348 with the YETI Network, arXiv.
- HiPERCAM: A high-speed, quintuple-beam CCD camera for the study of rapid variability in the Universe, arXiv.
- Transit timing variation and transmission spectroscopy analyses of the hot Neptune GJ3470b, arXiv.
- Long-term eclipse timing of white dwarf binaries: an observational hint of a magnetic mechanism at work, arXiv.
- An irradiated brown-dwarf companion to an accreting white dwarf, arXiv.
- Roche tomography of cataclysmic variables - VII. The long-term magnetic activity of AE Aqr, arXiv.
- Furiously Fast and Red: Sub-second Optical Flaring in V404 Cyg during the 2015 Outburst Peak, arXiv.
- The crowded magnetosphere of the post common envelope binary QS Virginis, arXiv.
- Pulsating hot O subdwarfs in Omega Cen: mapping a unique instability strip on the Extreme Horizontal Branch, arXiv.
- M Dwarf Flare Continuum Variations on One-Second Timescales: Calibrating and Modeling of ULTRACAM Flare Color Indices, arXiv.
- Search for transiting exoplanets and variable stars in the open cluster NGC 7243, arXiv.
- High-speed photometry of the disintegrating planetesimals at WD1145+017: evidence for rapid dynamical evolution, arXiv.
- Lunar Occultations of Eighteen Stellar Sources from the 2.4-m Thai National Telescope, arXiv.
- A large, long-lived structure near the trojan L5 point in the post common-envelope binary SDSS J1021+1744, arXiv.
- Accretion-induced variability links young stellar objects, white dwarfs, and black holes, arXiv.
- pt5m - a 0.5m robotic telescope on La Palma, arXiv.
- Broad-band spectrophotometry of the hot Jupiter HAT-P-12b from the near-UV to the near-IR, arXiv.
- The binary millisecond pulsar PSR J1023+0038 during its accretion state - I. Optical variability, arXiv.
- Total eclipse of the heart: The AM CVn Gaia14aae / ASSASN-14cn, arXiv.
- Atmospheric Scintillation in Astronomical Photometry, arXiv.
- Dynamical masses of a nova-like variable on the edge of the period gap, arXiv.
- Stellar archaeology with Gaia: the Galactic white dwarf population, arXiv.
- Searching for nova shells around cataclysmic variables, arXiv.
- A double white dwarf with a paradoxical origin?, arXiv.
- PHL 1445: An eclipsing cataclysmic variable with a substellar donor near the period minimum, arXiv.
- Fourteen new eclipsing white dwarf plus main-sequence binaries from the SDSS and Catalina surveys, arXiv.
- The First Science Results from SPHERE: Disproving the Predicted Brown Dwarf around V471 Tau, arXiv.
- Direct evidence for an evolving dust cloud from the exoplanet KIC 12557548 b, arXiv.
- Discovery of ZZ Cetis in detached white dwarf plus main-sequence binaries, arXiv.
- Defocussed Transmission Spectroscopy: A potential detection of sodium in the atmosphere of WASP-12b, arXiv.
- Testing the planetary models of HU Aquarii, arXiv.
- The substellar companion in the eclipsing white dwarf binary SDSS J141126.20+200911.1, arXiv.
- ULTRASPEC: a high-speed imaging photometer on the 2.4-m Thai National Telescope, arXiv.
- First Lunar Occultation Results from the 2.4 m Thai National Telescope equipped with ULTRASPEC, arXiv.
- Heavy metals in a light white dwarf: Abundances of the metal-rich, extremely low-mass GALEX J1717+6757, arXiv.
- Roche tomography of cataclysmic variables - VI. Differential rotation of AE Aqr - Not tidally locked!, arXiv.
- WASP 1628+10 - an EL CVn-type binary with a very-low-mass stripped-red-giant star and multi-periodic pulsations, arXiv.
- A parameter study of the eclipsing CV in the Kepler field, KIS J192748.53+444724.5, arXiv.
- SDSSJ001153.08-064739.2, a cataclysmic variable with an evolved donor in the period gap, arXiv.
- The spotty donor star in the X-ray transient Cen X-4, arXiv.
- Precise parameters for both white dwarfs in the eclipsing binary CSS 41177, arXiv.
- A Search for Photometric Variability Towards M71 with the Near-Infrared Transiting ExoplanetS Telescope, arXiv.
- Stereo-SCIDAR: Optical turbulence profiling with high sensitivity using a modified SCIDAR instrument, arXiv.
- Properties of the Eclipsing Double-White Dwarf Binary NLTT 11748, arXiv.
- Timing variations in the secondary eclipse of NN Ser, arXiv.
- Optical transmission photometry of the highly inflated exoplanet WASP-17b, arXiv.
- Binaries discovered by the MUCHFUSS project; FBS 0117+396: An sdB+dM binary with a pulsating primary, arXiv.
- First Searches for Optical Counterparts to Gravitational-wave Candidate Events, arXiv.
- The planets around NN Ser: still there, arXiv.
- A magnetic white dwarf in a detached eclipsing binary, arXiv.
- Finding compact hot subdwarf binaries in the Galactic disc, arXiv.
- ULTRACAM z'-band Detection of the Secondary Eclipse of WASP-12b, arXiv.
- Multi-periodic pulsations of a stripped red giant star in an eclipsing binary, arXiv.
- Evidence for quiescent synchrotron emission in the black hole X-ray transient Swift J1357.2-0933, arXiv.
- CI Aql: a Type Ia supernova progenitor?, arXiv.
- Transmission photometry of WASP-12b: simultaneous measurement of the planetary radius in three bands, arXiv.
- A Massive Pulsar in a Compact Relativistic Binary, arXiv.
- The not-so-massive black hole in the microquasar GRS1915+105, arXiv.
- A J-band detection of the sub-stellar mass donor in SDSS J1433+1011, arXiv.
- Discovery of Fourier-dependent time lags in cataclysmic variables, arXiv.
- Large-Scale Image Processing with the ROTSE Pipeline for Follow-Up of Gravitational Wave Events, arXiv.
- Eclipsing Post Common Envelope Binaries from the Catalina Surveys, arXiv.
- The SW Sex enigma, arXiv.
- An accurate mass and radius measurement for an ultracool white dwarf, arXiv.
- z'-band Ground-Based Detection of the Secondary Eclipse of WASP-19b, arXiv.
- Wide-band Simultaneous Observations of Pulsars: Disentangling Dispersion Measure and Profile Variations, arXiv.
- A Radial Velocity Study of CTCV J1300-3052, arXiv.
- A J-band detection of the donor star in the dwarf nova OY Carinae, and an optical detection of its `iron curtain', arXiv.
- A precision study of two eclipsing white dwarf plus M dwarf binaries, arXiv.
- Implementation and testing of the first prompt search for gravitational wave transients with electromagnetic counterparts, arXiv.
- The shortest period detached white dwarf + main-sequence binary, arXiv.
- The first observation of optical pulsations from a soft gamma repeater: SGR 0501+4516, arXiv.
- Observing pulsars and fast transients with LOFAR, arXiv.
- Cataclysmic Variables below the Period Gap: Mass Determinations of 14 Eclipsing Systems, arXiv.
- A search for optical bursts from RRAT J1819-1458: II. Simultaneous ULTRACAM-Lovell Telescope observations, arXiv.
- White Light Flare Continuum Observations with ULTRACAM, arXiv.
- A List of Galaxies for Gravitational Wave Searches, arXiv.
- The Planets around the Post-Common Envelope Binary NN Serpentis, arXiv.
- The photometric period in ES Ceti, arXiv.
- On the naming convention used for multiple star systems and extrasolar planets, arXiv.
- Search for p-mode oscillations in DA white dwarfs with VLT-ULTRACAM. I. Upper limits to the p-modes, arXiv.
- Probing GRB environments with time variability: ULTRASPEC fast imaging of GRB 080210, arXiv.
- Two planets orbiting the recently formed post-common envelope binary NN Serpentis, arXiv.
- Conjugate-plane photometry: Reducing scintillation in ground-based photometry, arXiv.
- On the use of electron-multiplying CCDs for astronomical spectroscopy, arXiv.
- High time resolution optical/X-ray cross-correlations for X-ray binaries: anti-correlations and rapid variability, arXiv.
- SDSS J0926+3624: The shortest period eclipsing binary star, arXiv.
- High Time Resolution Astrophysics in the Extremely Large Telescope Era : White Paper, arXiv.
- Estimating the masses of extra-solar planets, arXiv.
- Rapid optical and X-ray timing observations of GX 339-4: multi-component optical variability in the low/hard state, arXiv.
- Orbital Period Variations in Eclipsing Post Common Envelope Binaries, arXiv.
- V391 Peg: identification of the two main pulsation modes from ULTRACAM u'g'r' amplitudes, arXiv.
- NGC 300 X-1 is a Wolf-Rayet/Black-Hole binary, arXiv.
- Observations of the quiescent X-ray transients GRS 1124-684 (=GU Mus) and Cen X-4 (=V822 Cen) taken with ULTRACAM on the VLT, arXiv.
- Physical properties of IP Pegasi: an eclipsing dwarf nova with an unusually cool white dwarf, arXiv.
- Precise mass and radius values for the white dwarf and low mass M dwarf in the pre-cataclysmic binary NN Serpentis, arXiv.
- A Stellar Flare during the Transit of the Extrasolar Planet OGLE-TR-10b, arXiv.
- Radial-velocity study of the post-period minimum cataclysmic variable SDSSJ143317.78+101123.3 with an electron-multiplying CCD, arXiv.
- Hunting high and low: XMM monitoring of the eclipsing polar HU Aquarii, arXiv.
- Optical pulsations from the anomalous X-ray pulsar 1E 1048.1-5937, arXiv.
- ULTRACAM observations of two accreting white dwarf pulsators, arXiv.
- Multiwavelength spectral and high time resolution observations of SWIFT J1753.5-0127: new activity?, arXiv.
- Optical variability of the ultracool dwarf TVLM 513-46546: evidence for inhomogeneous dust clouds, arXiv.
- Rapid optical and X-ray timing observations of GX 339-4: flux correlations at the onset of a low/hard state, arXiv.
- GD 552: a cataclysmic variable with a brown dwarf companion?, arXiv.
- SWIFT J1753.5-0127: a surprising optical/X-ray cross-correlation function, arXiv.
- On the evolutionary status of short period cataclysmic variables, arXiv.
- 1RXSJ173021.5-055933: a cataclysmic variable with a fast-spinning magnetic white dwarf, arXiv.
- The 2003 Nov 14 occultation by Titan of TYC 1343-1865-1. II. Analysis of light curves, arXiv.
- Bowen blend echo-tomography of low mass X-ray binaries, arXiv.
- A multicolor near-infrared study of the dwarf nova IP Peg, arXiv.
- SDSS J150722.30+523039.8: a CV formed directly from a detached white dwarf/brown dwarf binary?, arXiv.
- Roche tomography of cataclysmic variables - IV. Starspots and slingshot prominences on BV Cen, arXiv.
- The binary properties of the pulsating subdwarf B eclipsing binary PG 1336-018 (NY Vir), arXiv.
- Outbursts of EX Hydrae Revisited, arXiv.
- Echoes from the companion star in Sco X-1, arXiv.
- The Discovery of a Persistent Quasi-Periodic Oscillation in the Intermediate Polar TX Col, arXiv.
- Imaging the cool stars in the interacting binaries AE Aqr, BV Cen and V426 Oph, arXiv.
- ULTRACAM: an ultra-fast, triple-beam CCD camera for high-speed astrophysics, arXiv.
- Spectroscopic Observations of the Intermediate Polar EX Hydrae in Quiescence, arXiv.
- DE CVn: A bright, eclipsing red dwarf - white dwarf binary, arXiv.
- A brown dwarf mass donor in an accreting binary, arXiv.
- ULTRACAM Photometry of the ultracompact binaries V407 Vul and HM Cnc, arXiv.
- SDSS J0926+3624, the first eclipsing AM CVn star, as seen by ULTRACAM, arXiv.
- A search for optical bursts from the rotating radio transient J1819-1458 with ULTRACAM, arXiv.
- The nature of the close magnetic white dwarf + probable brown dwarf binary SDSS J121209.31+013627.7, arXiv.
- ULTRACAM observations of SDSS J170213.26+322954.1 - an eclipsing cataclysmic variable in the period gap, arXiv.
- Observations of Ultracool dwarfs with ULTRACAM on the VLT: a search for weather, arXiv.
- The periodic variations of a white-light flare observed with ULTRACAM, arXiv.
- Roche tomography of cataclysmic variables -- III. Starspots on AE Aqr, arXiv.
- ULTRACAM photometry of the eclipsing cataclysmic variables GY Cnc, IR Com and HT Cas, arXiv.
- Detection of a period decrease in NN Ser with ULTRACAM: evidence for strong magnetic braking or an unseen companion?, arXiv.
- High-speed, multi-colour optical photometry of the anomalous X-ray pulsar 4U 0142+61 with ULTRACAM, arXiv.
- ULTRACAM observations of the black hole X-ray transient XTE J1118+480 in quiescence, arXiv.
- Multiband Echo Tomography of Sco X-1, arXiv.
- The K-band spectrum of the Cataclysmic Variable RXJ 0502.8+1624 (Tau 4), arXiv.
- Echo Tomography of Sco X-1 using Bowen Fluorescence Lines, arXiv.
- The component masses of the cataclysmic variable V347 Puppis, arXiv.
- Time-Resolved Ultraviolet Spectroscopy of the SW Sex Star DW UMa: Confirmation of a Hidden White Dwarf and the UV Counterpart to Phase 0.5 Absorption Events, arXiv.
- RX J2130.6+4710 - an eclipsing white dwarf - M-dwarf binary star, arXiv.
- ULTRACAM photometry of the eclipsing cataclysmic variables XZ Eri and DV UMa, arXiv.
- The masses of the cataclysmic variables AC Cancri and V363 Aurigae, arXiv.
- The effect of starspots on eclipse timings of binary stars, arXiv.
- Roche tomography of the secondary stars in CVs, arXiv.
- ULTRACAM photometry of the eclipsing cataclysmic variable OU Vir, arXiv.
- Multicolour observations of V404 Cyg with ULTRACAM, arXiv.
- Roche tomography of cataclysmic variables -- II. Images of the secondary stars in AM Her, QQ Vul, IP Peg and HU Aqr, arXiv.
- On the evidence for brown-dwarf secondary stars in cataclysmic variables, arXiv.
- High-speed energy-resolved STJ photometry of the eclipsing dwarf nova IY UMa, arXiv.
- The system parameters of DW Ursae Majoris, arXiv.
- On the use of 12CO/13CO as a test of common-envelope evolution, arXiv.
- The systemic velocities of four long-period cataclysmic variable stars, arXiv.
- ULTRACAM - an ultra-fast, triple-beam CCD camera, arXiv.
- The Recurrent Nova U Scorpii - A Type Ia Supernova Progenitor, arXiv.
- The mass of the white dwarf in the recurrent nova U Scorpii, arXiv.
- K-band spectroscopy of the intermediate polar XY Ari, arXiv.
- Mirror eclipses in the cataclysmic variable IP Peg, arXiv.
- Roche tomography of cataclysmic variables: I. artefacts and techniques, arXiv.
- Imaging the secondary stars in cataclysmic variables, arXiv.
- Investigating the structure of the accretion disk in WZ Sge from multi-wave-band, time-resolved spectroscopic observations: Paper II, arXiv.
- A Self-Occulting Accretion Disk in the SW Sex Star DW UMa, arXiv.
- Infrared spectroscopy of cataclysmic variables: III. Dwarf novae below the period gap and novalike variables, arXiv.
- Long-term photometry of WX Arietis: evidence for eclipses and dips, arXiv.
- J-band spectroscopy of cataclysmic variables, arXiv.
- The Secondary Star in Cataclysmic Variables and Low Mass X-ray Binaries, arXiv.
- The mass and radius of the M dwarf companion to GD 448, arXiv.
- A new magnetic white dwarf : PG2329+267, arXiv.
- The mass of the white dwarf in the old nova BT Mon, arXiv.
- On the nature of SW Sex, arXiv.
- Infrared and Optical Spectroscopy of Type Ia Supernovae in the Nebular Phase, arXiv.
- Infrared spectroscopy of cataclysmic variables - II. Intermediate polars, arXiv.
- The Nova-like Variables, arXiv.
- Spectropolarimetry of the nova-like variable V1315 Aql, arXiv.
- An observational test of common-envelope evolution, arXiv.
- An F type star in a 51-minute orbital period eclipsing binary, Research Square Platform LLC.
- Grants
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- Consolidated Grant for Sheffield Astrophysics, STFC, £1.3M (2021-2024, PI)
- European Research Council (ERC) Advanced Grant, 3.5Meuros (2014-2019, PI)
- Consolidated Grant for Sheffield Astrophysics, STFC, £1.2M (2015-2018, CoI)
- Consolidated Grant for Sheffield Astrophysics, STFC, £613K (2012-2015, CoI)
- Teaching interests
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- PHY320: Nuclear Astrophysics
- PHY326: Dark Matter and the Universe
- Teaching activities
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Undergraduate taught courses (recent)
- PHY105 Observing the Night Sky (1998-2010)
- PHY213 Stellar Structure and Evolution (1998-2014)
- PHY217 Astronomical Techniques (2010-2014)
Projects/Field Trips/Year Abroad schemes
- PHY319 Astronomy project (Field trip to La Palma)
- NUL301 Industrial Experience (Year abroad on La Palma)
- Professional activities and memberships
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- Head of the Astrophysics Research Group, University of Sheffield.
- Past member of the STFC Astronomy Grants Panel (AGP), Projects Peer Review Panel (PPRP), Fellowships Panel, and the Panel for the Allocation of Telescope Time (PATT).
- Past (ad-hoc) member of the STFC Particle Physics, Astronomy and Nuclear Physics Science Committee (PPAN).
- Past member of the European Southern Observatory's (ESO) Observing Pro-grammes Committee (OPC).
- Past member of the Instrumentation Working Group (IWG) of the Isaac Newton Group of telescopes (ING).
- Past member of the Royal Astronomical Society Committee on Diversity in Astronomy and Geophysics (CDAG).
- Member of the European Extremely Large Telescope (E-ELT) UK Steering Commit-tee.
- Principal Investigator of ULTRACAM, ULTRASPEC and HiPERCAM.
- Fellow of the Institute of Physics.
- Chartered Physicist.
- Fellow of the Royal Astronomical Society.
- Member of the International Astronomical Union.
- Member of the Steering Committee for the WEAVE Spectrograph on the William Herschel Telescope
- Member of the Science Advisory Committee for the Isaac Newton Group of Telescopes
- Chair of the Executive Board of GOTO (the Gravitational-wave Optical Transient Observer)
Public engagement
- Deep Sky Videos: Contributor from Sheffield to YouTube channel – www.deepskyvideos.com
- I also provide astronomy talks to local schools and amateur societies.