3 papers
astro-ph.HE2025
Delayed Launch of Ultrafast Outflows in the Tidal Disruption Event AT2020afhd
Zikun Lin, Yanan Wang, De-Fu Bu +2
We report the detection and characterization of ultrafast outflows (UFOs) in the X-ray spectra of the tidal disruption event (TDE) AT2020afhd, based on observations from NICER, Swi…
physics.atom-ph2025
UK APAP R-matrix electron-impact excitation cross-sections for modelling laboratory and astrophysical plasma
G. Del Zanna, G. Liang, J. Mao +1
Systematic R-matrix calculations of electron-impact excitation for ions of astrophysical interest have been performed since 2007 for many iso-electronic sequences as part of the UK…
astro-ph.GA2024
Minor-merger induced star formation rejuvenation in an elliptical radio-loud quasar host, 3C 59
Yijun Wang, Tao Wang, Ke Xu +3
We report a rare case where an elliptical radio-loud quasar host, 3C 59, rejuvenates star formation activity through minor mergers with its nearby satellite galaxies. The inferred…