Projects per year
Personal profile
Research interests
My research primarily focuses on studying the X-ray emission from actively accreting black holes and neutron stars, particularly with the NuSTAR X-ray observatory, but also with other facilities like XMM-Newton, Chandra and Swift.
More information can be found here!
Education/Academic qualification
Astrophysics, PhD, X-ray Emission and Re ection from Accreting Black Holes, HEI: University of Cambridge
2008 → 2012
Award Date: 20 Jul 2013
Physics & Astronomy, Msci, HEI: University of Durham
2004 → 2008
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Projects
- 2 Active
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BHSTATES: Yanting Dong (external applicant) Daphne Jackson Trust Regular Research Fellowship
Walton, D. (PI)
13/04/26 → 12/04/29
Project: Research
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ULXPULSAR1: Ultraluminous X-ray Pulsars: The Extremes of Accretion
Walton, D. (PI)
1/04/24 → 31/03/27
Project: Research
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JWST spectroscopy of SN 2010da/NGC 300 ULX-1: a surviving star hidden by dust
Beasor, E. R., Lau, R., Smith, N., Walton, D. J., Heida, M. & Davies, B., 31 Aug 2026, In: Monthly Notices of the Royal Astronomical Society (MNRAS). 550, 2, 8 p., stag1077.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Downloads (Pure) -
Significant or Not? The Impact of Randomisation During Data Reduction on Confirming a New Pulsating Ultraluminous X-ray Source Candidate in Centaurus A
Knight, A. H., Roberts, T., Potter, C., Pagan, A. T. & Walton, D. J., 31 Jul 2026, In: Monthly Notices of the Royal Astronomical Society (MNRAS). 549, 3, 24 p., stag936.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Downloads (Pure) -
XRISM/Resolve Observations of Hercules X-1: Vertical Structure and Kinematics of the Disk Wind
Kosec, P., Brenneman, L., Kara, E., Enoto, T., Narita, T., Sakamoto, K., Staubert, R., Barra, F., Fabian, A., Miller, J. M., Pinto, C., Rogantini, D., Walton, D. & Nagai, Y., 10 Jun 2026, In: The Astrophysical Journal. 1004, 1, 18 p., 104.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Citation (Scopus)1 Downloads (Pure) -
Spin Demographics of Active Supermassive Black Holes: Updated Estimates from X-Ray Reflection and Future Opportunities
Sisk-Reynés, J. M., Reynolds, C. S., Matthews, J. H., Walton, D. J., Piotrowska, J. M., Steiner, J. F., García, J. A. & Ricarte, A., 14 May 2026, (E-pub ahead of print) In: Galaxies. 14, 3, 20 p., 50.Research output: Contribution to journal › Review article › peer-review
Open AccessFile1 Downloads (Pure) -
XRISM/Resolve observations of Hercules X-1: a pulsating, highly broadened Fe K emission line from the neutron star accretion column
Kosec, P., Brenneman, L., Kara, E., Pinto, C., Rogantini, D., Staubert, R., Walton, D., Barra, F., Fabian, A., Enoto, T., Miller, J. M., Narita, T., Sakamoto, K. & Nagai, Y., 1 May 2026, (Accepted/In press) In: The Astrophysical Journal.Research output: Contribution to journal › Article › peer-review
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