Optimising transient discovery with Swift-XRT

arXiv:2606.30141 · astro-ph.HE, astro-ph.IM · Submitted 2026-06-29 · Read on arXiv

S. Srivastava, P. A. Evans, M. R. Goad, R. A. J. Eyles-Ferris

astro-ph.HE, astro-ph.IM

Submitted: 2026-06-29

Comments: 11 pages, 14 figures. Accepted for publication in MNRAS

DOI: 10.1093/mnras/stag1205

Project page: https://www.swift.ac.uk/LSXPS

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• AGN — 3× in this paper · explained in 1 episode
• Bayesian Framework — 3× in this paper · explained in 3 episodes
• Living Swift-XRT Point Source Catalogue — 3× in this paper
• Robustness — 3× in this paper · explained in 5 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Core — 1× in this paper · explained in 2 episodes
• Distribution Shift — 1× in this paper · explained in 5 episodes
• Swift Target of Opportunity — 1× in this paper

Sources

• The kangaroo's first hop: the early fast cooling phase of EP250108a/SN 2025kg
• An extremely soft and weak fast X-ray transient associated with a luminous supernova
• A fast powerful X-ray transient from possible tidal disruption of a white dwarf

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