Hot white dwarfs and pre-white dwarfs discovered with SALT
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Date
2023
Journal Title
Journal ISSN
Volume Title
Publisher
Oxford University Press
Abstract
The Southern African Large Telescope survey of helium-rich hot subdwarfs aims to explore evolutionary pathways among groups of highly evolved stars. The selection criteria mean that several hot white dwarfs and related objects have also been included. This paper reports the discovery and analysis of eight new very hot white dwarf and pre-white dwarf stars with effective temperatures exceeding 100 000 K. They include two PG1159 stars, one DO white dwarf, three O(He), and two O(H) stars.
Description
Keywords
White dwarfs, Astronomy, Cosmology, Physics, Population studies, Southern African
Citation
Jeffery, C. S. et al. (2023). Hot white dwarfs and pre-white dwarfs discovered with SALT. Monthly Notices of the Royal Astronomical Society, 519(2), 2321–2330. https://doi.org/10.1093/mnras/stac3531