3 papers
astro-ph.IM2026
The atmospheric extinction curve at Lenghu site
Jin-Sheng Qiu, Xiao-Hui Xu, Qing-Feng Zhu +11
In this study, we use a dedicated spectroscopic telescope to carry out low-resolution measurements of the optical atmospheric extinction curve at Lenghu astronomical site in Qingha…
astro-ph.GA2025
The Statistical Analysis Of The Galactic Open Clusters' Structure
Jin-Sheng Qiu, Zhen Wan, Xu-Zhi Li +5
We present a systematic investigation of 1,481 Galactic open clusters (OCs) through the application of the Limepy dynamical model, from which we derive the fundamental structural p…
astro-ph.IM2025
A Challenge of Developing a Classifier for Multi-Band Classification of Variable Stars
Xiao-Hui Xu, Qing-Feng Zhu, Xu-Zhi Li +2
Variable stars play a very important role in our understanding of the Milky Way and the universe. In recent years, many survey projects have generated a large amount of photometric…