81 citations · 189 across the 7 of their papers we have counts for
8 papers
Emission line ratios of Fe III as astrophysical plasma diagnostics
Sibasish Laha, Niall B. Tyndall, Francis P. Keenan +4
Recent state-of-the-art calculations of A-values and electron impact excitation rates for Fe III are used in conjunction with the Cloudy modeling code to derive emission line inten…
Valence and L-shell photoionization of Cl-like Argon using R-matrix techniques
Niall Tyndall, Catherine Ramsbottom, Connor Ballance +1
Photoionization cross sections are obtained using the relativistic Dirac Atomic R-matrix Codes (DARC) for all valence and L-shell energy ranges between 27-270eV. A total of 557 lev…
New atomic data for Ge XX
Waleed Othman Younis, Alan Hibbert
We have performed large-scale configuration interaction (CI) calculations using CIV3for the lowest (in energy) 155 fine-structure levels of aluminum-like germanium ion. We have cal…
Discovery of extremely lead-rich subdwarfs: does heavy metal signal the formation of subdwarf B stars?
Naslim Neelamkodan, Simon Jeffery, Alan Hibbert +1
Hot subdwarfs represent a group of low-mass helium-burning stars formed through binary-star interactions and include some of the most chemically-peculiar stars in the Galaxy. Stell…
Satellite lines in the photoionization of ions: The Be isoelectronic sequence
W. -C. Chu, H. -L. Zhou, A. Hibbert +1
Partial photoionization cross sections from the ^1S ground and the ^3P metastable states of the Be isoelectronic series to different final states including a number of satellite (i…
Evolution of overlapping resonances along an isoelectronic sequence
W. -C. Chu, H. -L. Zhou, A. Hibbert +1
Near-threshold resonances have been studied for Be-like ions with a focus on overlapping resonances among Rydberg series converging to different thresholds. The behavior of the ove…