3 papers
astro-ph.SR2025
Precise boron abundance in a sample of metal-poor stars from far-ultraviolet lines
Monique Spite, Beatriz Barbuy, Kefeng Tan
The light elements beryllium (Be; ) and boron (B; ) are mainly produced by spallation reactions between cosmic rays and carbon (C; ), nitrogen (N; ), and oxygen…
astro-ph.SR2025
The Stellar Abundances and Galactic Evolution Survey (SAGES). II. Machine Learning-Based Stellar parameters for 21 million stars from the First Data Release
Hongrui Gu, Zhou Fan, Gang Zhao +14
Stellar parameters for large samples of stars play a crucial role in constraining the nature of stars and stellar populations in the Galaxy. An increasing number of medium-band pho…
astro-ph.SR2024
Colour-Based Disentangling of Mira Variables and Ultra-Cool Dwarfs
Aleksandra Avdeeva, Kefeng Tan, Santosh Joshi +4
Despite having different astronomical characteristics, the studies of mira variables and ultra-cool dwarfs frequently show similar red colors, which could cause leading to photomet…