SALT discovers new hot white dwarf and pre-white dwarf stars RoyalAstroSoc arxiv
, the discrepancy is not significant. However, higher quality spectroscopy of J2137 would help locate the position of the GW VirSerendipitously, the SALT survey for helium-rich subdwarfs has led to the discovery of eight hot white dwarfs and pre-white dwarfs with effective temperatures exceeding 100 000 K. They comprise two PG1159 stars, one DO white dwarf, three O, and two O stars. Follow-up spectroscopy and analysis will explore their significance for stellar evolution studies.
This paper uses an image obtained with the Dark Energy Camera as part of the Dark Energy Legacy Survey (Dey et al.
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