Articles by Dominic James Walton

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Dominic James Walton

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186

A new pulsating neutron star in the Ultraluminous X-ray source NGC 4559 X7?

14 February 2025 by Federico Pintore and others

High Energy Astrophysical Phenomena

A New Broadband Spectral State in the Ultraluminous X-ray Source Holmberg IX X-1

18 September 2024 by Dominic James Walton and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Exploring the high-density reflection model for the soft excess in RBS 1124

2 September 2024 by A. Madathil-Pottayil and others

High Energy Astrophysical Phenomena

Constraining the Number Density of the Accretion Disk Wind in Hercules X-1 Using its Ionization Response to X-ray Pulsations

24 June 2024 by Peter Kosec and others

High Energy Astrophysical Phenomena

The First High-Contrast Images of Near High-Mass X-Ray Binaries with Keck/NIRC2

23 March 2024 by Myriam Prasow-Émond and others

Solar and Stellar Astrophysics, Earth and Planetary Astrophysics

On the nature of the ultraluminous X-ray source Holmberg II X-1

27 November 2023 by F. Barra and others

High Energy Astrophysical Phenomena

The High Energy X-ray Probe (HEX-P): Constraining Supermassive Black Hole Growth with Population Spin Measurements

8 November 2023 by J. Piotrowska and others

High Energy Astrophysical Phenomena

The High Energy X-ray Probe (HEX-P): A New Window into Neutron Star Accretion

8 November 2023 by R. Ludlam and others

High Energy Astrophysical Phenomena, Instrumentation and Methods for Astrophysics

The High Energy X-ray Probe (HEX-P): Probing the physics of the X-ray corona in active galactic nuclei

8 November 2023 by Elias Kammoun and others

High Energy Astrophysical Phenomena

The High Energy X-ray Probe (HEX-P): The Circum-nuclear Environment of Growing Supermassive Black Holes

8 November 2023 by P. Boorman and others at

Caltech

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Accretion disk wind of Hercules X-1 during the Short High state

28 September 2023 by Peter Kosec and others

High Energy Astrophysical Phenomena

Digging a little deeper: characterising three new extreme ULX candidates

2 August 2023 by T. Roberts and others at

Hertfordshire

High Energy Astrophysical Phenomena

Vertical wind structure in an X-ray binary revealed by a precessing accretion disk

11 April 2023 by Peter Kosec and others at

ASTRON

High Energy Astrophysical Phenomena

Transient obscuration event captured in NGC 3227 IV. Origin of the obscuring cloud variability

12 March 2023 by Sam Grafton-Waters and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

Probing the nature of the low state in the extreme ultraluminous X-ray pulsar NGC 5907 ULX1

7 February 2023 by Felix Fuerst and others at

Caltech

High Energy Astrophysical Phenomena

Propeller states in locally super-critical ULXs

24 November 2022 by Melissa Middleton and others

High Energy Astrophysical Phenomena

X-ray Absorption and Reprocessing in the z \sim 2.5 Lensed Quasar 2MASS J1042+1641

7 September 2022 by Dominic James Walton and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Unveiling the disc structure in ultraluminous X-ray source NGC 55 ULX-1

1 September 2022 by F. Barra and others

High Energy Astrophysical Phenomena

The long stare at Hercules X-1 -- I. Emission lines from the outer disk, the magnetosphere boundary and the accretion curtain

18 August 2022 by Peter Kosec and others

High Energy Astrophysical Phenomena

A truncated inner disc in the Seyfert 1 galaxy WKK 4438

5 July 2022 by L. Gallo and others

High Energy Astrophysical Phenomena

Transient obscuration event captured in NGC 3227 III. Photoionization modeling of the X-ray obscuration event in 2019

14 April 2022 by Junjie Mao and others

High Energy Astrophysical Phenomena

Transient obscuration event captured in NGC~3227 II. Warm absorbers and obscuration events in archival XMM-Newton and NuSTAR observations

15 October 2021 by Yijun Wang and others at

ASTRON

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

A Multi-Mission Catalogue of Ultraluminous X-ray Source Candidates

14 October 2021 by Dominic James Walton and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Ionised Emission and Absorption in a Large Sample of Ultraluminous X-ray Sources

29 September 2021 by Peter Kosec and others

High Energy Astrophysical Phenomena

The chameleon on the branches: spectral state transition and dips in NGC 247 ULX-1

20 August 2021 by A. D'Aì and others

High Energy Astrophysical Phenomena

Extreme Relativistic Reflection in the Active Galaxy ESO 033-G002

21 July 2021 by Dominic James Walton and others

High Energy Astrophysical Phenomena, Cosmology and Nongalactic Astrophysics

Broadband X-ray spectral variability of the pulsing ULX NGC 1313 X-2

29 June 2021 by A. Robba and others

High Energy Astrophysical Phenomena

Transient obscuration event captured in NGC 3227. I. Continuum model for the broadband spectral energy distribution

28 June 2021 by Mohammadreza Mehdipour and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

The ultraviolet luminosity function of star-forming galaxies between redshifts of 0.6 and 1.2

15 June 2021 by M. Page and others

Astrophysics of Galaxies

Long-term pulse period evolution of the ultra-luminous X-ray pulsar NGC 7793 P13

10 May 2021 by Felix Fuerst and others at

ASTRON

High Energy Astrophysical Phenomena

Topics

High Energy Astrophysical Phenomena Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics Solar and Stellar Astrophysics Instrumentation and Methods for Astrophysics Earth and Planetary Astrophysics High Energy Physics Plasma Physics