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…
nucl-th2025
Correlation between U/Th and Pb/Os abundance ratios and its application in nuclear cosmochronology
Y. Y. Huang, Q. Q. Cui, X. H. Wu +1
The abundance ratios of radioactive elements U/Th and stable elements Pb/Os from the -process are found to have a strong correlation. This correlation is quite robust with respe…
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…