3 papers
astro-ph.SR2026
Orbital motion detected in gamma Cas Fe K emission lines
Yael Naze, Masahiro Tsujimoto, Gregor Rauw +1
A subset of Be stars, typified by the naked-eye star gamma Cas, exhibits unusually bright and hard X-ray emission, the origin of which has remained debated for five decades. We per…
astro-ph.SR2026
Photometric variability of nitrogen-rich Wolf-Rayet stars in Magellanic Clouds with OGLE
Jana MarkoviÄ, Guadalupe Sáez-Cano, Yaël Nazé +3
We present a comprehensive analysis of the photometric variability of (presumably single) nitrogen-rich Wolf-Rayet (WN) stars in the Magellanic Clouds, using long-term observations…
astro-ph.SR2025
Exploring the binary origin of B and Be rapid rotators
Jonathan Labadie-Bartz, Mark Suffak, Carol Jones +8
Observational evidence has continued to mount that a significant fraction of rapidly rotating early-B type stars are products of binary mass transfer. However, very few mid- and la…