3 papers
astro-ph.SR2025
Gaia DR3 Open Cluster Cepheids: A Unified Catalog with Calibrated Period-Age and Period-Wesenheit Relations
Shunhong Deng, Zhihong He, Anbing Ren +7
Classical Cepheids (CCs) in Galactic open clusters (OCs) provide essential observational constraints for calibrating the period-age relation (PAR) and the period-Wesenheit relation…
astro-ph.SR2025
Census of Blue Straggler Stars in Distant Open Clusters and Maximum Fractional Mass Excess of OC BSS
Qian Cui, Zhihong He, Shunhong Deng +4
We identified blue straggler stars (BSSs) in 53 open clusters utilizing data from Gaia DR3. Most of these clusters are situated in the outer regions of the Galactic disc, encompass…
astro-ph.GA2025
The disrupting and growing open cluster spiral arm patterns of the Milky Way
Xiaochen Liu, Zhihong He, Yangping Luo +1
Star clusters provide unique advantages for investigating Galactic spiral arms, particularly due to their precise ages, positions, and kinematic properties, which are further enhan…