2 papers
astro-ph.SR2026
Observations of the Halo Star HD 177566
William V. Dixon, Pierre Chayer
We have analyzed archival FUV and optical spectra of the hot halo star HD 177566. The star has an effective temperature K, surface gravity $\log g…
astro-ph.SR2025
The Arizona-Montréal spectroscopic survey of hot subluminous stars
M. Latour, E. M. Green, M. Dorsch +6
Hot subdwarf B (sdB) and O (sdO) type stars are evolved helium-burning objects that lost their hydrogen envelope before the helium flash when their progenitors were close to the ti…