Review
Sep 2026
Massive stars in the SDSS-V survey: New O2 stars in the Large Magellanic Cloud
{O2 stars define the hottest end of the normal O-star sequence, but their identification requires blue-optical nitrogen diagnostics absent from many surveys.} {We reassess three luminous Large Magellanic Cloud (LMC) sources with multi-epoch Sloan Digital Sky Survey V (SDSS-V) spectroscopy obtained with the Baryon Oscil...
A. Roman-Lopes, J. G. Fernández-Trincado, M. Kounkel et al.
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