2 papers
astro-ph.SR2026
Multi epoch spectroscopic variability of the B supergiant HD75149
J. Chamoun-Contreras, C. Arcos, N. Machuca +6
Massive stars continuously enrich the surrounding interstellar medium by supplying it with stellar material driven by their powerful winds. B supergiant stars (BSGs) in particular…
astro-ph.IM2025
The Astronomical Plate Digitization at SHAO
Yong Yu, Meiting Yang, Zhengjun Shang +5
The digitization of historical astronomical plates is essential for preserving century-long observational data. This work presents the development and application of the specialize…