D. J. Walton - Publications, H-index & Citations

D. J. Walton

university of hertfordshire

69H指数

488论文数

1.8W被引数

收录论文 255

发表时间

Spin Demographics of Active Supermassive Black Holes: Updated Estimates from X-Ray Reflection and Future Opportunities 活跃超大质量黑洞的自旋人口统计数据: x射线反射和未来机会的最新估计

Galaxies

IF3.8

2026-07-27

OAAI

Júlia M. Sisk-Reynés; Christopher S. Reynolds; James H. Matthews; Dominic J. Walton; Joanna M. Piotrowska; James F. Steiner; Javier A. García; Angelo Ricarte

Significant or Not? The Impact of Randomisation During Data Reduction on Confirming a New Pulsating Ultraluminous X-ray Source Candidate in Centaurus A 显著与否？数据缩减过程中随机化对确认半人马座A中新脉动超亮X射线源候选体的影响

Monthly Notices of the Royal Astronomical Society

IF4.8

2026-05-15

OAAI

Amy H Knight; Timothy P Roberts; Callum Potter; Alistair T Pagan; Dominic J Walton

The broad-band view of the bare Seyfert PG 1426+015: relativistic reflection, the soft excess, and the importance of oxygen 裸露塞弗特星系PG 1426+015的宽带观测：相对论反射、软溢出以及氧元素的重要性

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2025-11-01

OAAI

Walton, D. J.; Madathil-Pottayil, A.; Kosec, P.; Jiang, J.; Garcia, J.; Fabian, A. C.; Pinto, C.; Buisson, D. J. K.; Parker, M. L.; Alston, W. N.; Reynolds, C. S.

A new broad-band spectral state in the ultraluminous X-ray source Holmberg IX X-1 超亮X射线源Holmberg IX X-1的一种新的宽带光谱态

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2025-11-01

OAAI

Walton, D. J.; Bachetti, M.; Kosec, P.; Furst, F.; Pinto, C.; Roberts, T. P.; Soria, R.; Stern, D.; Alston, W. N.; Brightman, M.; Earnshaw, H. P.; Fabian, A. C.; Harrison, F. A.; Middleton, M. J.; Sathyaprakash, R.

A NuSTAR Study of Quasiperiodic Oscillations from the Ultraluminous X-Ray Sources in M82 利用NuSTAR对M82中极端亮X射线源准周期振荡的研究

astrophysical journal

IF0

2025-08-18

PREAI

Hamza El Byad; Matteo Bachetti; Silvia Columbu; Giuseppe Rodriguez; Maura Pilia; Matthew J. Middleton; Dominic J. Walton; Murray Brightman; Hannah Earnshaw; Karl Forster; Brian Grefenstette; Felix Fürst; Marianne Heida; Matteo Imbrogno; Eleonora Veronica Lai; Thomas Maccarone

XMM-Newton Conclusively Identifies an Active Galactic Nucleus in a Green Pea Galaxy*XMM-牛顿卫星确证绿豌豆星系中存在活动星系核*

astrophysical journal

IF0

2025-07-21

PREAI

Peter G. Boorman; Jiří Svoboda; Daniel Stern; Bret D. Lehmer; Abhijeet Borkar; Murray Brightman; Hannah P. Earnshaw; Fiona A. Harrison; Konstantinos Kouroumpatzakis; Barbora Adamcová; Roberto J. Assef; Matthias Ehle; Brian Grefenstette; Romana Grossová; Maitrayee Gupta; Elias Kammoun; Taiki Kawamuro; Lea Marcotulli; Romana Mikušincová; Matthew J. Middleton; Edward Nathan; Joanna M. Piotrowska; Jean J. Somalwar; Núria Torres-Albà; Dominic J. Walton; Daniel R. Weisz

Narrow-line Seyfert 1 galaxies beyond the local X-ray Universe: an X-ray spectral sample

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2025-05-01

OAAI

Jiang, Jiachen; Walton, Dominic J.; Gallo, Luigi C.; Fabian, Andrew C.; Grupe, Dirk; McMahon, Richard; Reynolds, Christopher S.; Young, Andrew; Yu, Zhibo; Liu, Honghui; Zhang, Zuobin

A new pulsating neutron star in the ultraluminous X-ray source NGC 4559 X7?在超亮X射线源NGC 4559 X7中发现了一颗新的脉动中子星？

ASTRONOMY & ASTROPHYSICS

IF5.8

2025-03-25

OAAI

Pintore, F.; Pinto, C.; Rodriguez-Castillo, G.; Israel, G. L.; Vago, N. O. Pinciroli; Motta, S.; Barra, F.; Walton, D. J.; Fuerst, F.; Kosec, P.; Salvaggio, C.; Del Santo, M.; Wolter, A.; Middleton, M.; D'Ai, A.; Ambrosi, E.; Burderi, L.; Imbrogno, M.; Salvaterra, R.; Robba, A.

Skipping a beat: Discovery of persistent quasi-periodic oscillations associated with pulsed fraction drop of the spin signal in M51 ULX-7

ASTRONOMY & ASTROPHYSICS

IF5.8

2024-09-20

OAAI

Imbrogno, Matteo; Motta, Sara Elisa; Amato, Roberta; Israel, Gian Luca; Castillo, Guillermo Andres Rodriguez; Brightman, Murray; Casella, Piergiorgio; Bachetti, Matteo; Fuerst, Felix; Stella, Luigi; Pinto, Ciro; Pintore, Fabio; Tombesi, Francesco; Gurpide, Andres; Middleton, Matthew J.; Salvaggio, Chiara; Tiengo, Andrea; Belfiore, Andrea; De Luca, Andrea; Esposito, Paolo; Wolter, Anna; Earnshaw, Hannah P.; Walton, Dominic J.; Roberts, Timothy P.; Zampieri, Luca; Marelli, Martino; Salvaterra, Ruben

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

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2024-09-09

OAAI

Madathil-Pottayil, A.; Walton, D. J.; Garcia, Javier; Miller, Jon; Gallo, Luigi C.; Ricci, C.; Reynolds, Mark T.; Stern, D.; Dauser, T.; Jiang, Jiachen; Alston, William; Fabian, A. C.; Hardcastle, M. J.; Kosec, Peter; Nardini, Emanuele; Reynolds, Christopher S.

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

ASTROPHYSICAL JOURNAL

IF5.4

2024-08-22

OAAI

Kosec, P.; Rogantini, D.; Kara, E.; Canizares, C. R.; Fabian, A. C.; Pinto, C.; Psaradaki, I.; Staubert, R.; Walton, D. J.

Return to the Forgotten Ultraluminous X-Ray Source: A Broadband NICER plus NuSTAR Study of NGC 4190 ULX-1

ASTROPHYSICAL JOURNAL

IF5.4

2024-06-18

OAAI

Earnshaw, Hannah P.; Bachetti, Matteo; Brightman, Murray; Furst, Felix; Harrison, Fiona A.; Middleton, Matthew; Ludlam, Renee; Pike, Sean N.; Stern, Daniel; Walton, Dominic J.

The First High-contrast Images of Near High-mass X-Ray Binaries with Keck/NIRC2

ASTROPHYSICAL JOURNAL

IF5.4

2024-05-13

OAAI

Prasow-Emond, M.; Hlavacek-Larrondo, J.; Fogarty, K.; Artigau, E.; Mawet, D.; Gandhi, P.; Steiner, J. F.; Rameau, J.; Lafreniere, D.; Fabian, A.; Walton, D. J.; Doyon, R.; Ren, B. B.

NuSTAR Observations of Candidate Subparsec Binary Supermassive Black Holes

ASTROPHYSICAL JOURNAL

IF5.4

2024-04-29

OAAI

Saade, M. Lynne; Brightman, Murray; Stern, Daniel; Connor, Thomas; Djorgovski, S. G.; D'Orazio, Daniel J.; Ford, K. E. S.; Graham, Matthew J.; Haiman, Zoltan; Jun, Hyunsung D.; Kammoun, Elias; Kraft, Ralph P.; McKernan, Barry; Vikhlinin, Alexei; Walton, Dominic J.

The Orbit of NGC 5907 ULX-1

ASTROPHYSICAL JOURNAL

IF5.4

2024-04-09

OAAI

Belfiore, Andrea; Salvaterra, Ruben; Sidoli, Lara; Israel, Gian Luca; Stella, Luigi; De Luca, Andrea; Mereghetti, Sandro; Esposito, Paolo; Pintore, Fabio; D'Ai, Antonino; Rodriguez Castillo, Guillermo; Walton, Dominic J.; Fuerst, Felix; Magistrali, Danilo; Wolter, Anna; Imbrogno, Matteo

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

ASTRONOMY & ASTROPHYSICS

IF5.8

2024-02-06

OAAI

Barra, F.; Pinto, C.; Middleton, M.; Di Salvo, T.; Walton, D. J.; Gurpide, A.; Roberts, T. P.

Gaia GraL: Gaia DR2 gravitational lens systems - VIII. A radio census of lensed systems Gaia GraL: Gaia DR2引力透镜系统-VIII。透镜系统的无线电普查

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2024-01-11

OAAI

Dobie, Dougal; Sluse, Dominique; Deller, Adam; Murphy, Tara; Krone-Martins, Alberto; Stern, Daniel; Wang, Ziteng; Wang, Yuanming; Boehm, Celine; Djorgovski, S. G.; Galluccio, Laurent; Delchambre, Ludovic; Connor, Thomas; den Brok, Jakob Sebastiaan; Cunha, Pedro H. Do Vale; Ducourant, Christine; Graham, Matthew J.; Jalan, Priyanka; Klioner, Sergei A.; Klueter, Jonas; Mignard, Francois; Negi, Vibhore; Petit, Quentin; Scarano Jr, Sergio; Slezak, Eric; Surdej, Jean; Teixeira, Ramachrisna; Walton, Dominic J.; Wambsganss, Joachim

Accretion Disk Wind of Hercules X-1 during the Short High State

ASTROPHYSICAL JOURNAL

IF5.4

2023-12-05

OAAI

Kosec, P.; Kara, E.; Fabian, A. C.; Pinto, C.; Psaradaki, I.; Rogantini, D.; Staubert, R.; Walton, D. J.

Digging a little deeper: characterizing three new extreme ULX candidates

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2023-08-03

OAAI

Roberts, T. P.; Walton, D. J.; Mackenzie, A. D. A.; Heida, M.; Scaringi, S.

High-density Reflection Spectroscopy of Black Hole X-Ray Binaries in the Hard State

ASTROPHYSICAL JOURNAL

IF5.4

2023-07-12

OAAI

Liu, Honghui; Jiang, Jiachen; Zhang, Zuobin; Bambi, Cosimo; Fabian, Andrew C.; Garcia, Javier A.; Ingram, Adam; Kara, Erin; Steiner, James F.; Tomsick, John A.; Walton, Dominic J.; Young, Andrew J.

研究方向