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astro-ph.HE2025
Theoretical study of Th III energy levels and transitions for applications to kilonova spectra
Laima Kitovienė, Gediminas Gaigalas, Pavel Rynkun +3
The neutron star merger is a promising site of heavy element production. By producing heavy elements, the neutron star merger gives rise to a thermal transient called a kilonova. S…
astro-ph.HE2025
Systematic opacity calculations for kilonovae -- II. Improved atomic data for singly ionized lanthanides
Daiji Kato, Masaomi Tanaka, Gediminas Gaigalas +2
Lanthanides play most important roles in the opacities for kilonova, ultraviolet-optical-infrared emission from neutron star mergers. Although several efforts have been made to con…