Improved proper motion determinations for 15 open clusters based on the UCAC4 catalog

• 作 者: Alexander Kurtenkov Nadezhda D
• 机 构: DepartmentofAstronomy,InstituteofAstronomyandNationalAstronomicalObservatory,Anglo-AmericanSchoolofS
• 出 处: 天文和天体物理学研究：英文版
• 发表日期: 2016年7期
• 关键词: 目录 集群 基础 疏散星团 光度标准 OCS 主序星 计算 proper motions Galaxy open clusters and associatio
• 基金项目: Acknowledgements This work was supported by grant No. BG051 PO001-3.3.06-0057 of the European Social Fund. It was carried out partly during the 2014 Bell Brezi Summer School of Astronomy and Astrophys

The proper motions of 15 nearby(d < 1 kpc) open clusters(OCs) were recalculated using data from the UCAC4 catalog. Only evolved or main sequence stars inside a certain radius from the center of the cluster were used. The results significantly differ fr